Measurement of the production of a W boson in association with a charm quark at √s = 13 TeV with the ATLAS detector

被引：0
|
作者：
Manco, G. [1 ]
机构：
[1] Univ Pavia, Dipartimento Fis, Pavia, Italy
来源：
NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2023年 / 46卷 / 04期
关键词：
D O I：
10.1393/ncc/i2023-23096-7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The production of a W boson in association with a charm quark has been investigated since the Tevatron era, because of its connection with the strange quark PDF. This process is the most probable production from strangegluon scattering, therefore the cross section gives direct information about strange distribution. At LHC, ATLAS and CMS have already performed a complete analysis of the Run-1 (2009-2013) and obtained interesting results about the contribution of strange quarks inside protons. In particular, the strange PDF is compared with the other light quarks up and down, which are expected to be in the same contribution as the strange quark. Results from analysis are mostly in agreement with theory, but still they need more investigation with higher statistics. ATLAS, in fact, is working to provide a new result after the Run-2 data (2015-2018). In this paper, a short overview of the published analyses is presented and some information on the ongoing one by ATLAS is given.
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