48 documents found, page 1 of 5
Evidence for transverse-momentum- and pseudorapidity-dependent event-plane fluc...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Flechl, M.; Friedl, M.Made available in DSpace on 2022-04-29T16:11:54Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-09-22; A systematic study of the factorization of long-range azimuthal two-particle correlations into a product of single-particle anisotropies is presented as a function of pT and η of both particles and as a function of the particle multiplicity in PbPb and pPb collisions. The data were taken with the CMS de...
Study of B Meson Production in p+Pb Collisions at √sNN = 5.02 TeV Using Exclusi...
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.Made available in DSpace on 2022-04-29T17:14:49Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-01-22; Bundesministerium für Bildung und Forschung; Bundesministerium für Wissenschaft, Forschung und Wirtschaft; Chinese Academy of Sciences; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Consejo Nacional de Ciencia y Tecnología; Department of Atomic Energy, Government of India; Deutsc...
Study of Jet Quenching with Z+jet Correlations in Pb-Pb and pp Collisions at s ...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.; Friedl, M.Made available in DSpace on 2022-04-30T02:12:12Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-08-23; The production of jets in association with Z bosons, reconstructed via the μ+μ- and e+e- decay channels, is studied in pp and, for the first time, in Pb-Pb collisions. Both data samples were collected by the CMS experiment at the LHC, at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The Pb-Pb col...
Measurement of the B± Meson Nuclear Modification Factor in Pb-Pb Collisions at ...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.; Friedl, M.Made available in DSpace on 2022-04-30T02:52:41Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-10-13; The differential production cross sections of B± mesons are measured via the exclusive decay channels B±→J/ψK±→μ+μ-K± as a function of transverse momentum in pp and Pb-Pb collisions at a center-of-mass energy sNN=5.02 TeV per nucleon pair with the CMS detector at the LHC. The pp(Pb-Pb) data set used for...
Principal-component analysis of two-particle azimuthal correlations in PbPb and...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.Made available in DSpace on 2022-04-30T05:02:23Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-12-05; For the first time a principle-component analysis is used to separate out different orthogonal modes of the two-particle correlation matrix from heavy ion collisions. The analysis uses data from sNN=2.76TeV PbPb and sNN=5.02TeV pPb collisions collected by the CMS experiment at the CERN Large Hadron Coll...
Measurement of the Splitting Function in pp and Pb-Pb Collisions at sNN =5.02 TeV
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.Made available in DSpace on 2022-04-30T06:37:01Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-04-03; Data from heavy ion collisions suggest that the evolution of a parton shower is modified by interactions with the color charges in the dense partonic medium created in these collisions, but it is not known where in the shower evolution the modifications occur. The momentum ratio of the two leading parto...
Observation of Medium-Induced Modifications of Jet Fragmentation in Pb-Pb Colli...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.Made available in DSpace on 2022-04-30T14:09:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-12-14; Measurements of fragmentation functions for jets associated with an isolated photon are presented for the first time in pp and Pb-Pb collisions. The analysis uses data collected with the CMS detector at the CERN LHC at a nucleon-nucleon center-of-mass energy of 5.02 TeV. Fragmentation functions are obta...
Studies of Beauty Suppression via Nonprompt D0 Mesons in Pb-Pb Collisions at sN...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.Made available in DSpace on 2022-04-30T18:49:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-07-09; Academy of Finland; The transverse momentum spectra of D0 mesons from b hadron decays are measured at midrapidity (|y|<1) in pp and Pb-Pb collisions at a nucleon-nucleon center of mass energy of 5.02 TeV with the CMS detector at the LHC. The D0 mesons from b hadron decays are distinguished from prompt D...
Probing the chiral magnetic wave in pPb and PbPb collisions at √SNN = 5.02 TeV ...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.Made available in DSpace on 2022-04-30T22:15:16Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-12-18; Charge-dependent anisotropy Fourier coefficients (νn) of particle azimuthal distributions are measured in pPb and PbPb collisions at √SNN = 5.02 TeV with the CMS detector at the LHC. The normalized difference in the second-order anisotropy coefficients (ν2) between positively and negatively charged part...
Studies of Charm Quark Diffusion inside Jets Using Pb-Pb and pp Collisions at s...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.Made available in DSpace on 2022-05-01T00:03:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-09-04; The first study of charm quark diffusion with respect to the jet axis in heavy ion collisions is presented. The measurement is performed using jets with pTjet>60 GeV/c and D0 mesons with pTD>4 GeV/c in lead-lead (Pb-Pb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of sNN=...