The CMS barrel calorimeter response to particle beams from 2 to 350 GeV/c
The CMS barrel calorimeter response to particle beams from 2 to 350 GeV/c
复制标题
CMS 桶式热量计对 2 至 350 GeV/c 粒子束的响应
DOI:
10.1140/epjc/s10052-009-1024-0
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发表时间:
2009
期刊:
影响因子:
--
通讯作者:
Abdullin S
中科院分区:
文献类型:
--
作者:
Abdullin S
The response of the CMS barrel calorimeter (electromagnetic plus hadronic) to hadrons, electrons and muons over a wide momentum range from 2 to 350 GeV/chas been measured. To our knowledge, this is the widest range of momenta in which any calorimeter system has been studied. These tests, carried out at the H2 beam-line at CERN, provide a wealth of information, especially at low energies. The analysis of the differences in calorimeter response to charged pions, kaons, protons and antiprotons and a detailed discussion of the underlying phenomena are presented. We also show techniques that apply corrections to the signals from the considerably different electromagnetic (EB) and hadronic (HB) barrel calorimeters in reconstructing the energies of hadrons. Above 5 GeV/c, these corrections improve the energy resolution of the combined system where the stochastic term equals 84.7±1.6% and the constant term is 7.4±0.8%. The corrected mean response remains constant within 1.3%rms.
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