First Measurement of Charm Production in its Fixed-Target Configuration at the LHC
| Parent link: | Physical Review Letters Vol. 122, iss. 13.— 2019.— [132002, 12 p.] |
|---|---|
| مؤلفون مشاركون: | , |
| مؤلفون آخرون: | , , , , , |
| الملخص: | Title screen The first measurement of heavy-flavor production by the LHCb experiment in its fixed-target mode is presented. The production of J/ψ and D0 mesons is studied with beams of protons of different energies colliding with gaseous targets of helium and argon with nucleon-nucleon center-of-mass energies of √sNN=86.6 and 110.4 GeV, respectively. The J/ψ and D0 production cross sections in pHe collisions in the rapidity range [2, 4.6] are found to be σJ/ψ=652±33(stat)±42(syst) nb/nucleon and σD0=80.8±2.4(stat)±6.3(syst) μb/nucleon, where the first uncertainty is statistical and the second is systematic. No evidence for a substantial intrinsic charm content of the nucleon is observed in the large Bjorken-x region. |
| اللغة: | الإنجليزية |
| منشور في: |
2019
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| الموضوعات: | |
| الوصول للمادة أونلاين: | http://earchive.tpu.ru/handle/11683/64953 https://doi.org/10.1103/PhysRevLett.122.132002 |
| التنسيق: | الكتروني فصل الكتاب |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663333 |
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| 200 | 1 | |a First Measurement of Charm Production in its Fixed-Target Configuration at the LHC |f R. Aaij, B. Adeva, M. Adinolfi [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 54 tit.] | ||
| 330 | |a The first measurement of heavy-flavor production by the LHCb experiment in its fixed-target mode is presented. The production of J/ψ and D0 mesons is studied with beams of protons of different energies colliding with gaseous targets of helium and argon with nucleon-nucleon center-of-mass energies of √sNN=86.6 and 110.4 GeV, respectively. The J/ψ and D0 production cross sections in pHe collisions in the rapidity range [2, 4.6] are found to be σJ/ψ=652±33(stat)±42(syst) nb/nucleon and σD0=80.8±2.4(stat)±6.3(syst) μb/nucleon, where the first uncertainty is statistical and the second is systematic. No evidence for a substantial intrinsic charm content of the nucleon is observed in the large Bjorken-x region. | ||
| 461 | |t Physical Review Letters | ||
| 463 | |t Vol. 122, iss. 13 |v [132002, 12 p.] |d 2019 | ||
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| 701 | 1 | |a Shapkin |b M. M. |g Mikhail Mikhaylovich | |
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