Study of J/ψ meson production inside jets in pp collisions at √s =8TeV
| Parent link: | Physics Letters B Vol. 804.— 2020.— [135409, 24 p.] |
|---|---|
| Erakunde egilea: | |
| Beste egile batzuk: | , , , , , |
| Gaia: | Title screen A study of the production of prompt J/ψ mesons contained in jets in proton-proton collisions at s=8TeV is presented. The analysis is based on data corresponding to an integrated luminosity of 19.1 fb−1 collected with the CMS detector at the LHC. For events with at least one observed jet, the angular separation between the J/ψ meson and the jet is used to test whether the J/ψ meson is part of the jet. The analysis shows that most prompt J/ψ mesons having energy above 15 GeV and rapidity |y|<1 are contained in jets with pseudorapidity |ηjet|<1. The differential distributions of the probability to have a J/ψ meson contained in a jet as a function of jet energy for a fixed J/ψ energy fraction are compared to a theoretical model using the fragmenting jet function approach. The data agree best with fragmenting jet function calculations that use a long-distance matrix element parameter set in which prompt J/ψ mesons are predicted to be unpolarized. This technique demonstrates a new way to test predictions for prompt J/ψ production using nonrelativistic quantum chromodynamics. |
| Argitaratua: |
2020
|
| Gaiak: | |
| Sarrera elektronikoa: | https://doi.org/10.1016/j.physletb.2020.135409 |
| Formatua: | Baliabide elektronikoa Liburu kapitulua |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666201 |
MARC
| LEADER | 00000naa0a2200000 4500 | ||
|---|---|---|---|
| 001 | 666201 | ||
| 005 | 20250523150623.0 | ||
| 035 | |a (RuTPU)RU\TPU\network\37405 | ||
| 035 | |a RU\TPU\network\37404 | ||
| 090 | |a 666201 | ||
| 100 | |a 20211210d2020 k||y0rusy50 ba | ||
| 101 | 0 | |a eng | |
| 135 | |a arcn ---uucaa | ||
| 181 | 0 | |a i | |
| 182 | 0 | |a b | |
| 200 | 1 | |a Study of J/ψ meson production inside jets in pp collisions at √s =8TeV |f А. М. Sirunyan, A. R. Tumasyan, W. Adam [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References.: 42 tit.] | ||
| 330 | |a A study of the production of prompt J/ψ mesons contained in jets in proton-proton collisions at s=8TeV is presented. The analysis is based on data corresponding to an integrated luminosity of 19.1 fb−1 collected with the CMS detector at the LHC. For events with at least one observed jet, the angular separation between the J/ψ meson and the jet is used to test whether the J/ψ meson is part of the jet. The analysis shows that most prompt J/ψ mesons having energy above 15 GeV and rapidity |y|<1 are contained in jets with pseudorapidity |ηjet|<1. The differential distributions of the probability to have a J/ψ meson contained in a jet as a function of jet energy for a fixed J/ψ energy fraction are compared to a theoretical model using the fragmenting jet function approach. The data agree best with fragmenting jet function calculations that use a long-distance matrix element parameter set in which prompt J/ψ mesons are predicted to be unpolarized. This technique demonstrates a new way to test predictions for prompt J/ψ production using nonrelativistic quantum chromodynamics. | ||
| 461 | |t Physics Letters B | ||
| 463 | |t Vol. 804 |v [135409, 24 p.] |d 2020 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a CMS | |
| 610 | 1 | |a J/psi Mesons | |
| 610 | 1 | |a Jets | |
| 701 | 1 | |a Sirunyan |b А. М. | |
| 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 | |
| 701 | 1 | |a Babaev |b A. A. |c physicist |c engineer-issledovatelskogo Polytechnic University, candidate of physical and mathematical Sciences |f 1981- |g Anton Anatoljevich |3 (RuTPU)RU\TPU\pers\35154 |9 18420 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Исследовательская школа физики высокоэнергетических процессов |c (2017- ) |3 (RuTPU)RU\TPU\col\23551 |
| 801 | 2 | |a RU |b 63413507 |c 20211210 |g RCR | |
| 850 | |a 63413507 | ||
| 856 | 4 | |u https://doi.org/10.1016/j.physletb.2020.135409 | |
| 942 | |c CF | ||