Measurement of the prompt j/psi pair production cross-section in pp collisions at root s=8 tev with the atlas detector
文献类型:期刊论文
作者 | Aaboud, M.194,195; Aad, G.124,125; Abbott, B.156; Abdallah, J.12; Abdinov, O.16; Abeloos, B.160; Aben, R.149,150; AbouZeid, O. S.198; Abraham, N. L.215; Abramowicz, H.219 |
刊名 | European physical journal c |
出版日期 | 2017-02-07 |
卷号 | 77期号:2页码:34 |
ISSN号 | 1434-6044 |
DOI | 10.1140/epjc/s10052-017-4644-9 |
通讯作者 | Aaboud, m.() |
英文摘要 | The production of two prompt j/psi mesons, each with transverse momenta p(t) > 8.5 gev and rapidity vertical bar y vertical bar < 2.1, is studied using a sample of proton-proton collisions at root s = 8 tev, corresponding to an integrated luminosity of 11.4 fb(-1) collected in 2012 with the atlas detector at the lhc. the differential cross-section, assuming unpolarised j/psi production, is measured as a function of the transverse momentum of the lower-p(t) j/psi meson, di-j/psi p(t) and mass, the difference in rapidity between the two j/psi mesons, and the azimuthal angle between the two j/psi mesons. the fraction of prompt pair events due to double parton scattering is determined by studying kinematic correlations between the two j/psi mesons. the total and double parton scattering cross-sections are compared with predictions. the effective cross-section of double parton scattering is measured to be sigma(eff) = 6.3 +/- 1.6(stat) +/- 1.0(syst) mb. |
WOS关键词 | DOUBLE PARTON SCATTERING ; PSI-PSI-PRODUCTION ; OCTET QUARKONIA PRODUCTION ; HIGH-ENERGY COLLIDERS ; HEAVY QUARKONIUM ; HADRONIC PRODUCTION ; MATRIX-ELEMENT ; HELAC-ONIA ; HADROPRODUCTION ; DISTRIBUTIONS |
WOS研究方向 | Physics |
WOS类目 | Physics, Particles & Fields |
语种 | 英语 |
出版者 | SPRINGER |
WOS记录号 | WOS:000400004500001 |
URI标识 | http://www.irgrid.ac.cn/handle/1471x/2177230 |
专题 | 高能物理研究所 |
通讯作者 | Aaboud, M. |
作者单位 | 1.CERN, CH-1211 Geneva 23, Switzerland 2.Univ Adelaide, Dept Phys, Adelaide, SA, Australia 3.SUNY Albany, Dept Phys, Albany, NY 12222 USA 4.Univ Alberta, Dept Phys, Edmonton, AB, Canada 5.Ankara Univ, Dept Phys, Ankara, Turkey 6.Istanbul Aydin Univ, Istanbul, Turkey 7.TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey 8.CNRS IN2P3, LAPP, Annecy Le Vieux, France 9.Univ Savoie Mt Blanc, Annecy Le Vieux, France 10.Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA |
推荐引用方式 GB/T 7714 | Aaboud, M.,Aad, G.,Abbott, B.,et al. Measurement of the prompt j/psi pair production cross-section in pp collisions at root s=8 tev with the atlas detector[J]. European physical journal c,2017,77(2):34. |
APA | Aaboud, M..,Aad, G..,Abbott, B..,Abdallah, J..,Abdinov, O..,...&Hamity, G. N..(2017).Measurement of the prompt j/psi pair production cross-section in pp collisions at root s=8 tev with the atlas detector.European physical journal c,77(2),34. |
MLA | Aaboud, M.,et al."Measurement of the prompt j/psi pair production cross-section in pp collisions at root s=8 tev with the atlas detector".European physical journal c 77.2(2017):34. |
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来源:高能物理研究所
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