Measurement of Bc(2S)+ and B∗c(2S)+ cross section ratios in proton-proton collisions at √s=13 TeV; Physical Review D; Vol. 102, iss. 9
| Parent link: | Physical Review D: particles, fields, gravitation, and cosmology.— , 1970- Vol. 102, iss. 9.— 2020.— [092007, 21 p.] |
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| Korporativní autor: | |
| Další autoři: | , , , , , , |
| Shrnutí: | Title screen The ratios of the Bc(2S)+ to B+c, B∗c(2S)+ to B+c, and B∗c(2S)+ to Bc(2S)+ production cross sections are measured in proton-proton collisions at √s=13 TeV, using a data sample collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 143 fb−1. The three measurements are made in the B+c meson phase space region defined by the transverse momentum pT>15 GeV and absolute rapidity |y|<2.4, with the excited B(*)c(2S)+ states reconstructed through the B(*)+cπ+π−, followed by the B+c→J/ψπ+ and J/ψ→μ+μ− decays. The Bc(2S)+ to B+c, B∗c(2S)+ to B+c, and B∗c(2S)+ to Bc(2S)+ cross section ratios, including the unknown B(*)c(2S)+→B(*)+cπ+π− branching fractions, are (3.47±0.63(stat)±0.33(syst))%, (4.69±0.71(stat)±0.56(syst))%, and 1.35±0.32(stat)±0.09(syst), respectively. None of these ratios shows a significant dependence on the pT or |y| of the B+c meson. The normalized dipion invariant mass distributions from the decays B(*)c(2S)+→B(*)+cπ+π− are also reported. |
| Jazyk: | angličtina |
| Vydáno: |
2020
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| Témata: | |
| On-line přístup: | http://earchive.tpu.ru/handle/11683/72767 https://doi.org/10.1103/PhysRevD.102.092007 |
| Médium: | Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666168 |
MARC
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| 200 | 1 | |a Measurement of Bc(2S)+ and B∗c(2S)+ cross section ratios in proton-proton collisions at √s=13 TeV |f A. M. Sirunyan, A. R. Tumasyan, W. Adam [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 28 tit.] | ||
| 330 | |a The ratios of the Bc(2S)+ to B+c, B∗c(2S)+ to B+c, and B∗c(2S)+ to Bc(2S)+ production cross sections are measured in proton-proton collisions at √s=13 TeV, using a data sample collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 143 fb−1. The three measurements are made in the B+c meson phase space region defined by the transverse momentum pT>15 GeV and absolute rapidity |y|<2.4, with the excited B(*)c(2S)+ states reconstructed through the B(*)+cπ+π−, followed by the B+c→J/ψπ+ and J/ψ→μ+μ− decays. The Bc(2S)+ to B+c, B∗c(2S)+ to B+c, and B∗c(2S)+ to Bc(2S)+ cross section ratios, including the unknown B(*)c(2S)+→B(*)+cπ+π− branching fractions, are (3.47±0.63(stat)±0.33(syst))%, (4.69±0.71(stat)±0.56(syst))%, and 1.35±0.32(stat)±0.09(syst), respectively. None of these ratios shows a significant dependence on the pT or |y| of the B+c meson. The normalized dipion invariant mass distributions from the decays B(*)c(2S)+→B(*)+cπ+π− are also reported. | ||
| 461 | |t Physical Review D |o particles, fields, gravitation, and cosmology |d 1970- | ||
| 463 | |t Vol. 102, iss. 9 |v [092007, 21 p.] |d 2020 | ||
| 610 | 1 | |a электронный ресурс | |
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| 701 | 1 | |a Sirunyan |b A. M. | |
| 701 | 1 | |a Tumasyan |b A. R. | |
| 701 | 1 | |a Adam |b W. |g Wolfgang | |
| 701 | 1 | |a Ambrogi |b F. |g Federico | |
| 701 | 1 | |a Tyurin |b N. E. |g Nikolay Evgenjevich | |
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