Pseudorapidity distributions of charged hadrons in xenon-xenon collisions at √sNN=5.44 TeV; Physics Letters B; Vol. 799
| Parent link: | Physics Letters B Vol. 799.— 2019.— [135049, 23 p.] |
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| מחבר תאגידי: | |
| מחברים אחרים: | , , , , , , , , |
| סיכום: | Title screen Measurements of the pseudorapidity distributions of charged hadrons produced in xenon-xenon collisions at a nucleon-nucleon centre-of-mass energy of are presented. The measurements are based on data collected by the CMS experiment at the LHC. The yield of primary charged hadrons produced in xenon-xenon collisions in the pseudorapidity range is determined using the silicon pixel detector in the CMS tracking system. For the 5% most central collisions, the charged-hadron pseudorapidity density in the midrapidity region is found to be , with a negligible statistical uncertainty. The rapidity distribution of charged hadrons is also presented in the range and is found to be independent of rapidity around . Existing Monte-Carlo event generators are unable to simultaneously describe both results. Comparisons of charged-hadron multiplicities between xenon-xenon and lead-lead collisions at similar collision energies show that particle production at midrapidity is strongly dependent on the collision geometry in addition to the system size and collision energy. |
| שפה: | אנגלית |
| יצא לאור: |
2019
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| נושאים: | |
| גישה מקוונת: | https://doi.org/10.1016/j.physletb.2019.135049 |
| פורמט: | אלקטרוני Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663453 |
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| 200 | 1 | |a Pseudorapidity distributions of charged hadrons in xenon-xenon collisions at √sNN=5.44 TeV |f А. М. Sirunyan, A. R. Tumasyan, W. Adam [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References.: 39 tit.] | ||
| 330 | |a Measurements of the pseudorapidity distributions of charged hadrons produced in xenon-xenon collisions at a nucleon-nucleon centre-of-mass energy of are presented. The measurements are based on data collected by the CMS experiment at the LHC. The yield of primary charged hadrons produced in xenon-xenon collisions in the pseudorapidity range is determined using the silicon pixel detector in the CMS tracking system. For the 5% most central collisions, the charged-hadron pseudorapidity density in the midrapidity region is found to be , with a negligible statistical uncertainty. The rapidity distribution of charged hadrons is also presented in the range and is found to be independent of rapidity around . Existing Monte-Carlo event generators are unable to simultaneously describe both results. Comparisons of charged-hadron multiplicities between xenon-xenon and lead-lead collisions at similar collision energies show that particle production at midrapidity is strongly dependent on the collision geometry in addition to the system size and collision energy. | ||
| 461 | |t Physics Letters B | ||
| 463 | |t Vol. 799 |v [135049, 23 p.] |d 2019 | ||
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