Measurement of the inelastic proton-proton cross-section at root s=7 TeV with the ATLAS detector
ATLAS Collaboration
刊名NATURE COMMUNICATIONS
2011
卷号2
关键词ELASTIC-SCATTERING DIFFRACTION DISSOCIATION HIGH-ENERGIES HARD SOFT PHOTOPRODUCTION AMPLITUDES MODEL PP
学科分类Science & Technology - Other Topics
DOI10.1038/ncomms1472
通讯作者Monig, K (reprint author), DESY, Notkestr 85, D-2000 Hamburg, Germany.
英文摘要The dependence of the rate of proton-proton interactions on the centre-of-mass collision energy, root s, is of fundamental importance for both hadron collider physics and particle astrophysics. The dependence cannot yet be calculated from first principles; therefore, experimental measurements are needed. Here we present the first measurement of the inelastic proton-proton interaction cross-section at a centre-of-mass energy, root s, of 7 TeV using the ATLAS detector at the Large Hadron Collider. Events are selected by requiring hits on scintillation counters mounted in the forward region of the detector. An inelastic crosssection of 60.3 +/- 2.1 mb is measured for xi > 5x10(-6), where xi is calculated from the invariant mass, M-X, of hadrons selected using the largest rapidity gap in the event. For diffractive events, this corresponds to requiring at least one of the dissociation masses to be larger than 15.7 GeV.
类目[WOS]Multidisciplinary Sciences
收录类别SCI
语种英语
WOS记录号WOS:000294807200005
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被引频次:48[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213106
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Measurement of the inelastic proton-proton cross-section at root s=7 TeV with the ATLAS detector[J]. NATURE COMMUNICATIONS,2011,2.
APA ATLAS Collaboration.(2011).Measurement of the inelastic proton-proton cross-section at root s=7 TeV with the ATLAS detector.NATURE COMMUNICATIONS,2.
MLA ATLAS Collaboration."Measurement of the inelastic proton-proton cross-section at root s=7 TeV with the ATLAS detector".NATURE COMMUNICATIONS 2(2011).
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