Production of Λc+ baryons in proton-proton and lead-lead collisions at √s NN=5.02TeV; Physics Letters B; Vol. 803
| Parent link: | Physics Letters B Vol. 803.— 2020.— [135328, 23 p.] |
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| Ente Autore: | |
| Altri autori: | , , , , , |
| Riassunto: | Title screen The transverse momentum (pT) spectra of inclusively produced Λc+ baryons are measured via the exclusive decay channel Λc+→pK−π+ using the CMS detector at the LHC. Spectra are measured as a function of transverse momentum in proton-proton (pp) and lead-lead (PbPb) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The measurement is performed within the Λc+ rapidity interval |y|<1 in the pT range of 5-20GeV/c in pp and 10-20GeV/c in PbPb collisions. The observed yields of Λc+ for pT of 10-20GeV/c suggest a suppression in central PbPb collisions compared to pp collisions scaled by the number of nucleon-nucleon (NN) interactions. The Λc+/D0 production ratio in pp collisions is compared to theoretical models. In PbPb collisions, this ratio is consistent with the result from pp collisions in their common pT range. |
| Lingua: | inglese |
| Pubblicazione: |
2020
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| Soggetti: | |
| Accesso online: | https://doi.org/10.1016/j.physletb.2020.135328 |
| Natura: | Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666206 |
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| 200 | 1 | |a Production of Λc+ baryons in proton-proton and lead-lead collisions at √s NN=5.02TeV |f А. М. Sirunyan, A. R. Tumasyan, W. Adam [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References.: 46 tit.] | ||
| 330 | |a The transverse momentum (pT) spectra of inclusively produced Λc+ baryons are measured via the exclusive decay channel Λc+→pK−π+ using the CMS detector at the LHC. Spectra are measured as a function of transverse momentum in proton-proton (pp) and lead-lead (PbPb) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The measurement is performed within the Λc+ rapidity interval |y|<1 in the pT range of 5-20GeV/c in pp and 10-20GeV/c in PbPb collisions. The observed yields of Λc+ for pT of 10-20GeV/c suggest a suppression in central PbPb collisions compared to pp collisions scaled by the number of nucleon-nucleon (NN) interactions. The Λc+/D0 production ratio in pp collisions is compared to theoretical models. In PbPb collisions, this ratio is consistent with the result from pp collisions in their common pT range. | ||
| 461 | |t Physics Letters B | ||
| 463 | |t Vol. 803 |v [135328, 23 p.] |d 2020 | ||
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| 701 | 1 | |a Tyurin |b N. E. |g Nikolay Evgenjevich | |
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