First evidence of double-parton scattering in same-sign WW production at CMS

被引：0
|
作者：
Mariani, V [1 ]
机构：
[1] Ist Nazl Fis Nucl, Sez Perugia, Perugia, Italy
来源：
NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2020年 / 43卷 / 2-3期
关键词：
D O I：
10.1393/ncc/i2020-20036-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The search for the same-sign WW production via double-parton scattering is presented, based on study of proton-proton collision data collected at root s = 13 TeV, using dimuon and electron-muon final states with the CMS experiment. First evidence for WW production via double-parton scattering, with a significance of 3.9 standard deviations, is presented. The measured inclusive cross-section is 1.41 +/- 0.28 (stat)+/- 0.28 (syst) pb.
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