Measurements of the properties of the Higgs-like boson with the CMS experiment at the LHC

被引：0
|
作者：
Azzurri, P. [1 ]
机构：
[1] INFN, Sez Pisa, Largo B Pontecorvo 3, I-56127 Pisa, Italy
来源：
NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2013年 / 36卷 / 06期
关键词：
D O I：
10.1393/ncc/i2014-11654-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Measurements of the properties of the recently discovered Higgs-like boson are presented using data samples recorded by the CMS experiment corresponding to integrated luminosities of up to 5.1 fb(-1) at 7TeV and up to 12.2 fb(-1) at 8TeV in proton proton collisions at the LHC. The results combine decay modes in pairs of photons, Z bosons, W bosons, tau leptons and b quarks. The mass of the boson is determined to be 125.8 +/- 0.4 (stat.) +/- 0.4 (syst.) GeV, and the signal strength at the measured mass is mu = 0.88 +/- 0.21, normalized to the standard model expectation. Combined results on couplings, spin and parity reveal a broad agreement with the expectations of a standard model Higgs boson.
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收藏
页码：356 / 363
页数：8
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