Dietrich Liko
DI Dr.
Biographical sketch
2022 Scientist CMS Physics analysis
2011-2020 Group Leader of the Physics Computing Group at HEPHY
2000-2008 CERN Staff with the ATLAS Experiment
- Project Leader ATLAS Distributed Analysis (Grid computing)
- Leader of the Control Group of ATLAS TDAQ System
1998-2000 CERN Project Associate with DELPHI
- Project Leader of the DELPHI RICH Detector
- Physics Coordinator W Decays
1996-1997 CERN Fellow with the DELPHI Experiment
- Software Project Leader of DELPHI RICH Detector
1992-1995 Research Scientist with HEPHY
- Search for rare B decays at DELPHI
1990-1994 PhD beim DELPHI Experiment
- Measurement of average lifetime von B Hadronen at LEP
1989 Diploma thesis at the NA36 Experiment
- Vertex reconstruction at a Heavy Ion Experiment
Academic Honors and Awards
Science Award of Lower Austria, 2009.
Research interests
- Physics Analysis CMS Experiment - Stop Searches
- Development of tools for computing in the area of particle physics
- OpenScience for DELPHI and CMS
- Grid and Cloudcomputing
- Application of grid computing in other areas (medicine, theoretical physics,...)
Publications
- Search for $t$-channel scalar and vector leptoquark exchange in the high-mass dimuon and dielectron spectra in proton-proton collisions at $s$ = 13 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 12, 01.12.2025. - Search for charged-lepton flavour violation in top quark interactions with an up-type quark, a muon, and a tau lepton in proton-proton collisions at $s=13$ TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 12, 01.12.2025. - Search for a new scalar resonance decaying to a Higgs boson and another new scalar particle in the final state with two bottom quarks and two photons in proton-proton collisions at $s=13$ TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 12, 01.12.2025. - Search for a cH signal in the associated production of at least one charm quark with a Higgs boson in the diphoton decay channel in pp collisions at $s=13$ TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 11, 01.11.2025. - Search for a heavy pseudoscalar Higgs boson decaying to a 125 GeV Higgs boson and a Z boson in final states with two tau and two light leptons in proton-proton collisions at $s=13$ TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 10, 01.10.2025. - Measurement of light-by-light scattering and the Breit-Wheeler process, and search for axion-like particles in ultraperipheral PbPb collisions at $s_NN$ = 5.02 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 8, 01.08.2025. - Measurement of the inclusive $ tt $ cross section in final states with at least one lepton and additional jets with 302 pb$^−1$ of pp collisions at $ s $ = 5.02 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 4, 01.04.2025. - Search for pair production of heavy particles decaying to a top quark and a gluon in the lepton+jets final state in proton-proton collisions at $s$ = 13 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: The European Physical Journal C, Vol. 85, No. 3, 01.03.2025. - Constraints on standard model effective field theory for a Higgs boson produced in association with W or Z bosons in the H textrightarrow$ bb $ decay channel in proton-proton collisions at $ s $ = 13 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 3, 01.03.2025. - Differential cross section measurements for the production of top quark pairs and of additional jets using dilepton events from pp collisions at $s$ = 13 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 2, 01.02.2025. - Search for long-lived heavy neutral leptons in proton-proton collision events with a lepton-jet pair associated with a secondary vertex at $ s $ = 13 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 2, 01.02.2025. - Search for high-mass resonances in a final state comprising a gluon and two hadronically decaying W bosons in proton-proton collisions at $ s $ = 13 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 2, 01.02.2025. - Measurements of inclusive and differential cross sections for top quark production in association with a Z boson in proton-proton collisions at $ s $ = 13 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 2, 01.02.2025. - Search for a heavy resonance decaying into a Z and a Higgs boson in events with an energetic jet and two electrons, two muons, or missing transverse momentum in proton-proton collisions at $ s $ = 13 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 2, 01.02.2025. - Study of WH production through vector boson scattering and extraction of the relative sign of the W and Z couplings to the Higgs boson in proton-proton collisions at s=13TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: Physics Letters B, Vol. 860, 01.01.2025, p. 139202. - Search for bottom quark associated production of the standard model Higgs boson in final states with leptons in proton-proton collisions at s=13TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 860, 139173, 01.01.2025, p. ARTN 139173. - Measurement of inclusive and differential cross sections of single top quark production in association with a W boson in proton-proton collisions at $ s $ = 13.6 TeV. / Collaboration, CMS; Adam, Wolfgang; Andrejkovic, Janik Walter et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 2025, No. 1, 01.01.2025. - Studies of B-s2*(5840)(0) and B-s1(5830)(0) mesons including the observation of the B-s2*(5840)(0) -> (BKS0)-K-0 decay in proton- proton collisions at root s=8 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: European Physical Journal C, Vol. 78, No. 11, 15.11.2018, p. ARTN 939. - Search for R-parity violating supersymmetry in pp collisions at root s=13 TeV using bjets in a final state with a single lepton, many jets, and high sum of large-radius jet masses. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 783, 15.08.2018, p. 114-139. - Search for new physics in events with two soft oppositely charged leptons and missing transverse momentum in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 782, 15.07.2018, p. 440-467. - Search for excited quarks of light and heavy flavor in gamma plus jet final states in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 781, 15.06.2018, p. 390-411. - Search for single production of a vector- like T quark decaying to a Z boson and a top quark in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 781, 15.06.2018, p. 574-600. - Search for gauge-mediated supersymmetry in events with at least one photon and missing transverse momentum in pp collisions at ,root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 780, 15.05.2018, p. 118-143. - Search for supersymmetry in events with one lepton and multiple jets exploiting the angular correlation between the lepton and the missing transverse momentum in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 780, 15.05.2018, p. 384-409. - Search for pair production of vector-like quarks in the bW(b)over-barW channel from proton-proton collisions at root s=13TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 779, 15.04.2018, p. 82-106. - Search for Higgs boson pair production in events with two bottom quarks and two tau leptons in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 778, 15.03.2018, p. 101-127. - Search for the pair production of third-generation squarks with two-body decays to a bottom or charm quark and a neutralino in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 778, 15.03.2018, p. 263-291. - Search for heavy resonances decaying to a top quark and a bottom quark in the lepton plus jets final state in proton-proton collisions at 13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 777, 15.02.2018, p. 39-63. - Search for Higgsino pair production in pp collisions at root s=13 TeV in final states with large missing transverse momentum and two Higgs bosons decaying via H -> b(b)over bar. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physical Review D, Vol. 97, No. 3, 08.02.2018, p. ARTN 032007. - Azimuthal anisotropy of charged particles with transverse momentum up to 100GeV/c in PbPb collisions at root S-NN=5.02 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 776, 15.01.2018, p. 195-216. - Measurements of t(t)over-bar cross sections in association with b jets and inclusive jets and their ratio using dilepton final states in pp collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 776, 15.01.2018, p. 355-378. - Constraints on anomalous Higgs boson couplings using production and decay information in the four-lepton final state. / Sirunyan, A. M.; Collaboration, C. M. S.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 775, 15.12.2017, p. 1-24. - Search for black holes and other new phenomena in high-multiplicity final states in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 774, 15.11.2017, p. 279-307. - Combination of searches for heavy resonances decaying to WW, WZ, ZZ, WH, and ZH boson pairs in proton-proton collisions at root s=8 and 13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 774, 15.11.2017, p. 533-558. - Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 774, 15.11.2017, p. 682-705. - Search for single production of vector-like quarks decaying into a b quark and a W boson in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 772, 15.09.2017, p. 634-656. - Coherent J/psi photoproduction in ultra-peripheral PbPb collisions at root s(NN)=2.76 TeV with the CMS experiment. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 772, 15.09.2017, p. 489-511. - Search for high-mass Z gamma resonances in proton-proton collisions at root s=8 and 13 TeV using jet substructure techniques. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 772, 15.09.2017, p. 363-387. - Search for physics beyond the standard model in events with two leptons of same sign, missing transverse momentum, and jets in proton-proton collisions at root s=13TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: European Physical Journal C, Vol. 77, No. 9, 01.09.2017, p. ARTN 578. - Search for single production of a heavy vector-like T quark decaying to a Higgs boson and a top quark with a lepton and jets in the final state. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 771, 15.08.2017, p. 80-105. - Search for third-generation scalar leptoquarks and heavy right-handed neutrinos in final states with two tau leptons and two jets in proton-proton collisions at root s=13 TeV. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, No. 7, 26.07.2017, p. ARTN 121. - Measurement of the cross section for electroweak production of Z gamma in association with two jets and constraints on anomalous quartic gauge couplings in proton-proton collisions at root s=8 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 770, 15.07.2017, p. 380-402. - Search for heavy gauge W ' bosons in events with an energetic lepton and large missing transverse momentum at root s=13TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 770, 15.07.2017, p. 278-301. - Search for leptophobic Z ' bosons decaying into four-lepton final states in proton-proton collisions at root s=8 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 773, 15.06.2017, p. 563-584. - Search for dijet resonances in proton-proton collisions at root s=13 TeV and constraints on dark matter and other models. / Sirunyan, A. M.; Tumasyan, A.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 769, 15.06.2017, p. 520-542. - Search for narrow resonances in dilepton mass spectra in proton-proton collisions at root s=13 TeV and combination with 8 TeV data. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 768, 15.05.2017, p. 57-80. - Search for heavy resonances decaying into a vector boson and a Higgs boson in final states with charged leptons, neutrinos, and b quarks. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 768, 15.05.2017, p. 137-162. - A search for new phenomena in pp collisions at root s=13TeV in final states with missing transverse momentum and at least one jet using the alpha(T) variable. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: European Physical Journal C, Vol. 77, No. 5, 08.05.2017, p. ARTN 294. - Search for top squark pair production in compressed-mass-spectrum scenarios in proton-proton collisions at root s=8 TeV using the alpha(T) variable. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 767, 15.04.2017, p. 403-430. - Search for high-mass diphoton resonances in proton-proton collisions at 13 TeV and combination with 8 TeV search. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 767, 15.04.2017, p. 147-170. - Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying tau leptons and two jets in proton-proton collisions at root s=13 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, No. 3, 14.03.2017, p. ARTN 077. - Search for high-mass Z$gamma$ resonances in $ mathrm{ e }^{+}mathrm{ e }^{-}gamma $ and $ mu^{+}mu^{-}gamma $ final states in proton-proton collisions at $sqrt{s}= $ 8 and 13 TeV. / Collaboration, CMS; Khachatryan, V.; Adam, W. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 01, No. 2017, 17.01.2017, p. 076. - Measurement of the ZZ production cross section and $mathrm{ Z } to {ell^+ell^-ell^{prime+}ell^{prime-}} $ branching fraction in pp collisions at $ sqrt{s} = $ 13 TeV. / Collaboration, CMS; Khachatryan, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 763, No. 2016, 27.10.2016, p. 280. - Measurement of the W boson helicity fractions in the decays of top quark pairs to lepton+jets final states produced in pp collisions at $ sqrt{s} = $ 8 TeV. / Collaboration, CMS; Khachatryan, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 762, No. 2016, 11.10.2016, p. 512. - Search for lepton flavour violating decays of the Higgs boson to $mathrm{ e }tau$ and $mathrm{ e }mu$ in proton-proton collisions at $sqrt{s}= $ 8 TeV. / Collaboration, CMS; Khachatryan, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 763, No. 2016, 06.10.2016, p. 472. - Measurement of the Z gamma -> nu(nu)over-bar gamma production cross section in pp collisions at root s=8 TeV and limits on anomalous ZZ gamma and Z gamma gamma trilinear gauge boson couplings. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 760, 15.09.2016, p. 448-468. - Search for supersymmetry in events with soft leptons, low jet multiplicity, and missing transverse energy in proton-proton collisions at root s=8 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 759, 15.08.2016, p. 9-35. - Search for supersymmetry in electroweak production with photons and large missing transverse energy in pp collisions at root s=8TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 759, 15.08.2016, p. 479-500. - Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at s√=7 and 8 TeV. / Adam, W.; Asilar, E.; Bergauer, T. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, No. 8, 05.08.2016, p. ARTN 045. - Measurement of spin correlations in tf production using the matrix element method in the muon plus jets final state in pp collisions at root S=8 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 758, 15.07.2016, p. 321-346. - Search for supersymmetry in the multijet and missing transverse momentum final state in pp collisions at 13 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 758, 15.07.2016, p. 152-180. - Search for a low-mass pseudoscalar Higgs boson produced in association with a b(b)over-bar pair in pp collisions at root s=8 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 758, 15.07.2016, p. 296-320. - Measurement of t(t)over-bar production with additional jet activity, including b quark jets, in the dilepton decay channel using pp collisions at root s=8TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: European Physical Journal C, Vol. 76, No. 7, 07.07.2016, p. ARTN 379. - Measurement of the CP-violating weak phase phi(s) and the decay width difference Delta Gamma(s) using the B-s(0) -> J/psi phi (1020) decay channel in pp collisions at root s=8 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 757, 15.06.2016, p. 97-120. - Search for supersymmetry in events with a photon, a lepton, and missing transverse momentum in pp collisions at root s=8 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 757, 15.06.2016, p. 6-31. - Measurement of the ratio B(B-s(0) -> J/psi f(0)(980))/B(B-s(0) -> J/psi phi(1020)) in pp collisions at root s=7 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 756, 15.05.2016, p. 84-102. - Searches for a heavy scalar boson H decaying to a pair of 125 GeV Higgs bosons hh or for a heavy pseudoscalar boson A decaying to Zh, in the final states with h -> tau tau. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 755, 15.04.2016, p. 217-244. - Search for a Higgs boson decaying into gamma*gamma -> ll gamma with low dilepton mass in pp collisions at root s=8 TeV. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 753, 15.02.2016, p. 341-362. - Angular coefficients of Z bosons produced in pp collisions at root S=8 TeV and decaying to mu(+)mu(-) as a function of transverse momentum and rapidity. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 750, 12.11.2015, p. 154-175. - Search for narrow high-mass resonances in proton-proton collisions at root s=8 TeV decaying to a Z and a Higgs boson. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 748, 02.09.2015, p. 255-277. - Search for a pseudoscalar boson decaying into a Z boson and the 125 GeV Higgs boson in l(+)l(-)b(b)over-bar final states. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 748, 02.09.2015, p. 221-243. - Measurements of the ZZ production cross sections in the 2l2 nu channel in proton-proton collisions at root s=7 and 8 TeV and combined constraints on triple gauge couplings. / Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A. et al.
In: European Physical Journal C, Vol. 75, No. 10, 29.06.2015, p. ARTN 511. - Constraints on parton distribution functions and extraction of the strong coupling constant from the inclusive jet cross section in pp collisions at root s=7TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: European Physical Journal C, Vol. 75, No. 6, 26.06.2015, p. ARTN 288. - Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton-proton collisions at root s=8 TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 746, 15.06.2015, p. 79-99. - Measurement of the cross section ratio sigma(t(t)over-barb(b)over-bar)/sigma(t(t)over-barjj) in pp collisions at root s=8 TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 746, 15.06.2015, p. 132-153. - Search for resonant pair production of Higgs bosons decaying to two bottom quark-antiquark pairs in proton-proton collisions at 8TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 749, 07.06.2015, p. 560-582. - Measurement of the Z boson differential cross section in transverse momentum and rapidity in proton-proton collisions at 8 TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 749, 07.06.2015, p. 187-209. - Measurements of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) differential cross sections in pp collisions at root s=7 TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 749, 07.06.2015, p. 14-34. - Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: European Physical Journal C, Vol. 75, No. 5, 14.05.2015, p. UNSP 212. - Measurement of the inclusive 3-jet production differential cross section in proton-proton collisions at 7 TeV and determination of the strong coupling constant in the TeV range. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: European Physical Journal C, Vol. 75, No. 5, 01.05.2015, p. ARTN 186. - Search for stealth supersymmetry in events with jets, either photons or leptons, and low missing transverse momentum in pp collisions at 8 TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 743, 09.04.2015, p. 503-525. - Measurement of the production cross section ratio sigma(chi b2(1P))/sigma(chi b1(1P)) in pp collisions at root s=8TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 743, 09.04.2015, p. 383-402. - Measurement of the ZZ production cross sections in the 2ell2nu channel in proton-proton collisions at sqrt{s} = 7 and 8 TeV and combined contraints on triple gauge couplings. / Collaboration, CMS; Khatrchyan, V.; Adam, W. et al.
In: European Journal of Physics, Vol. 75, 18.03.2015, p. 511. - Long-range two-particle correlations of strange hadrons with charged particles in pPb and PbPb collisions at LHC energies. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 742, 06.03.2015, p. 200-224. - Differential cross section measurements for the production of a W boson in association with jets in proton-proton collisions at root s=7 TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 741, 04.02.2015, p. 12-37. - Measurement of the ratio $mathcal{B}( mathrm{B_c^+} rightarrow mathrm{J}/psi, pi^+ pi^+ pi^-)/mathcal{B}( mathrm{B_c^+} rightarrow mathrm{J}/psi, pi^+)$ and the production cross sections times branching fractions of $mathrm{ B_c^+} rightarrow mathrm{J}/psi, pi^+$ and $mathrm{ B^+} rightarrow mathrm{J}/psi, mathrm{K}^+$ in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Khatrchyan, V.; Adam, W. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 01, No. 2015, 13.01.2015, p. 63. - Measurement of the pp -> ZZ production cross section and constraints on anomalous triple gauge couplings in four-lepton final states at root s=8 TeV. / Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 740, 05.01.2015, p. 250-272. - Measurement of prompt $psi(2mathrm{S})$ to $mathrm{J}/psi$ yield ratios in $mathrm{Pb}mathrm{Pb}$ and $mathrm{p}mathrm{p}$ collisions at $sqrt{s_mathrm{NN}} = 2.76~mathrm{TeV}$. / Collaboration, CMS; Khatrchyan, V.; Adam, W. et al.
In: Physical Review Letters, Vol. 113, No. 2014, 31.12.2014, p. 262301. - Searches for heavy scalar and pseudoscalar Higgs bosons and for flavor-violating decays of the top quark into a Higgs boson in $mathrm{p}mathrm{p}$ collisions at $sqrt{s}$ = 8 TeV. / Collaboration, CMS; Khatrchyan, V.; Adam, W. et al.
In: Physical Review D, Vol. 90, No. 2014, 23.12.2014, p. 112013. - Search for pair production of third-generation scalar leptoquarks and top squarks in proton-proton collisions at $sqrt{s}$ = 8 TeV. / Collaboration, CMS; Khatrchyan, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 739, No. 2014, 30.10.2014, p. 229. - Measurement of the $tbar{t}$ production cross section in pp collisions at $sqrt{s}$ =8 TeV in dilepton final states containing one $tau$ lepton. / Collaboration, CMS; Khatrchyan, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 739, No. 2014, 16.10.2014, p. 23. - Measurement of the production cross section for a W boson and two b jets in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 735, No. 2014, 18.06.2014, p. 204. - Search for supersymmetry in pp collisions at $sqrt{s}$ = 8 TeV in events with a single lepton, large jet multiplicity, and multiple b jets. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 733, No. 2014, 18.04.2014, p. 328. - Determination of the top-quark pole mass and strong coupling constant from the $tbar{t}$ production cross section in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 728, No. 2013, 06.12.2013, p. 496. - Measurement of the production cross section for $Zgamma to nubar{nu}gamma$ in pp collisions at $sqrt{s}$ = 7 TeV and limits on $ZZgamma$ and $Zgammagamma$ triple gauge boson couplings. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 10, No. 2013, 24.10.2013, p. 164. - Measurement of the ratio of the inclusive 3-jet cross section to the inclusive 2-jet cross section in pp collisions at $sqrt{s}$ = 7 TeV and first determination of the strong coupling constant in the TeV range. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: European Physical Journal C, Vol. 73, No. 2013, 19.10.2013, p. 2604. - Measurement of the hadronic activity in events with a Z and two jets and extraction of the cross section for the electroweak production of a Z with two jets in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 10, No. 2013, 10.10.2013, p. 062. - Search for supersymmetry in hadronic final states with missing transverse energy using the variables $alpha_T$ and b-quark multiplicity in pp collisions at $sqrt{s}$ = 8 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: European Physical Journal C, Vol. 73, No. 2013, 18.09.2013, p. 2568. - Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 726, No. 2013, 11.09.2013, p. 564. - Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 725, No. 2013, 04.07.2013, p. 243. - Searches for Higgs bosons in pp collisions at $sqrt{s}$ = 7 and 8 TeV in the context of four-generation and fermiophobic models. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 725, No. 2013, 01.07.2013, p. 36. - Multiplicity and transverse momentum dependence of two- and four-particle correlations in pPb and PbPb collisions. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 724, No. 2013, 24.06.2013, p. 213. - Search for long-lived particles in events with photons and missing energy in proton-proton collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 722, No. 2013, 15.04.2013, p. 273. - Search for a Higgs boson decaying into a b-quark pair and produced in association with b quarks in proton-proton collisions at 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 722, No. 2013, 11.04.2013, p. 207. - Search for anomalous production of highly boosted Z bosons decaying to μ+μ− in proton–proton collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 722, No. 2013, 28.03.2013, p. 28. - Measurement of the $tbar{t}$ production cross section in pp collisions at $sqrt{s}$ = 7 TeV with lepton + jets final states. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 720, No. 2013, 14.02.2013, p. 83. - Search for supersymmetry in events with photons and low missing transverse energy in pp collisions at sqrt(s) = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 719, No. 2013, 12.02.2013, p. 42. - Search for supersymmetry in final states with missing transverse energy and 0, 1, 2, or at least 3 b-quark jets in 7 TeV pp collisions using the variable $alpha_T$. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 01, No. 2013, 10.01.2013, p. 063. - Studies of jet quenching using isolated-photon+jet correlations in PbPb and pp collisions at $sqrt{s_{NN}}$ = 2.76 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 718, No. 2013, 08.01.2013, p. 773. - Search for pair produced fourth-generation up-type quarks in pp collisions at $sqrt{s}$=7 TeV with a lepton in the final state. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 718, No. 2012, 05.12.2012, p. 307. - Search for heavy lepton partners of neutrinos in proton-proton collisions in the context of the type III seesaw mechanism. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 718, No. 2012, 05.12.2012, p. 348. - Search for new physics in events with opposite-sign leptons, jets, and missing transverse energy in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 718, No. 2013, 21.11.2012, p. 815. - Search for exclusive or semi-exclusive $gammagamma$ production and observation of exclusive and semi-exclusive $e^+e^−$ production in pp collisions at $sqrt{s}$=7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 11, No. 2012, 15.11.2012, p. 080. - Search for charge-asymmetric production of W' bosons in top pair + jet events from pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 717, No. 2012, 31.10.2012, p. 351. - Inclusive and differential measurements of the $tbar{t}$ charge asymmetry in proton-proton collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 717, No. 2012, 17.09.2012, p. 129. - Search for heavy Majorana neutrinos in $mu^{pm}mu^{pm}$ + jets and $e^{pm}e^{pm}$ + jets events in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 717, No. 2012, 11.09.2012, p. 109. - Search for physics beyond the standard model in events with a Z boson, jets, and missing transverse energy in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 716, No. 2012, 16.08.2012, p. 260-284. - Search for heavy, top-like quark pair production in the dilepton final state in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 716, No. 2012, 27.07.2012, p. 103-121. - Measurement of the inclusive production cross sections for forward jets and for dijet events with one forward and one central jet in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: JOURNAL OF HIGH ENERGY PHYSICS, Vol. 06, No. 2012, 05.06.2012, p. 036. - Measurement of the $Lambda_b$ cross section and the $overline{Lambda}_b$ to $Lambda_b$ ratio with J/$psiLambda$ decays in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 714, No. 2012, 01.06.2012, p. 136. - Search for the standard model Higgs boson decaying to W+W– in the fully leptonic final state in pp collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 710, No. 2012, 02.03.2012, p. 91-113. - Measurement of the charge asymmetry in top-quark pair production in proton-proton collisions at $sqrt{s}$ =7 TeV. / Collaboration, CMS; Chatrchyan, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 709, No. 2012, 03.02.2012, p. 28-49. - Measurement of $W^+W^-$ Production and Search for the Higgs Boson in pp Collisions at $sqrt{s}$ = 7 TeV. / Collaboration, CMS; Chatrchyan, S.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. Volume 699, No. Issue 1-2, 04.07.2011, p. 25-47. - Measurement of the differential dijet production cross section in proton-proton collisions at =7 TeV. / Collaboration, CMS; Khachatryane, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. Volume 700, No. Issue 3-4, 13.06.2011, p. 187-206. - Search for a heavy gauge boson W' in the final state with an electron and large missing transverse energy in pp collisions at = 7 TeV. / Collaboration, CMS; Khachatryane, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. Volume 698, No. Issue 1, 28.05.2011, p. 21-39. - Search for Supersymmetry in pp Collisions at 7 TeV in Events with Jets and Missing Transverse Energy. / Collaboration, CMS; Khachatryane, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. Volume 698, No. Issue 1, 11.04.2011, p. 196–218. - First Measurement of the Cross Section for Top-Quark Pair Production in Proton-Proton Collisions at Vs = 7 TeV. / Collaboration, CMS; Khachatryane, V.; Adam, W. et al.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. Volume 695, No. Issue 5, 17.01.2011, p. 424-443.