Measurement of the prompt-production cross-section ratio σ(χc2)/σ(χc1) in pPb collisions at √sNN=8.16 TeV; Physical Review C; Vol. 103, iss. 6
| Parent link: | Physical Review C: nuclear physics Vol. 103, iss. 6.— 2021.— [064905, 10 p.] |
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| Autores Corporativos: | , |
| Otros Autores: | , , , , |
| Sumario: | Title screen This article reports the first measurement of prompt χc1 and χc2 charmonium production in nuclear collisions at Large Hadron Collider energies. The cross-section ratio σ(χc2)/σ(χc1) is measured in pPb collisions at √sNN=8.16 TeV, collected with the LHCb experiment. The χc1,2 states are reconstructed via their decay to a J/ψ meson, subsequently decaying into a pair of oppositely charged muons, and a photon, which is reconstructed in the calorimeter or via its conversion in the detector material. The cross-section ratio is consistent with unity in the two considered rapidity regions. Comparison with a corresponding cross-section ratio previously measured by the LHCb Collaboration in pp collisions suggests that χc1 and χc2 states are similarly affected by nuclear effects occurring in pPb collisions. |
| Lenguaje: | inglés |
| Publicado: |
2021
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| Materias: | |
| Acceso en línea: | http://earchive.tpu.ru/handle/11683/72763 https://doi.org/10.1103/PhysRevC.103.064905 |
| Formato: | Electrónico Capítulo de libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666720 |
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| 200 | 1 | |a Measurement of the prompt-production cross-section ratio σ(χc2)/σ(χc1) in pPb collisions at √sNN=8.16 TeV |f R. Aaij, C. A. Beteta, S. I. Eydelman [et al.] | |
| 203 | |a Text |c electronic | ||
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| 330 | |a This article reports the first measurement of prompt χc1 and χc2 charmonium production in nuclear collisions at Large Hadron Collider energies. The cross-section ratio σ(χc2)/σ(χc1) is measured in pPb collisions at √sNN=8.16 TeV, collected with the LHCb experiment. The χc1,2 states are reconstructed via their decay to a J/ψ meson, subsequently decaying into a pair of oppositely charged muons, and a photon, which is reconstructed in the calorimeter or via its conversion in the detector material. The cross-section ratio is consistent with unity in the two considered rapidity regions. Comparison with a corresponding cross-section ratio previously measured by the LHCb Collaboration in pp collisions suggests that χc1 and χc2 states are similarly affected by nuclear effects occurring in pPb collisions. | ||
| 461 | |t Physical Review C |o nuclear physics | ||
| 463 | |t Vol. 103, iss. 6 |v [064905, 10 p.] |d 2021 | ||
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