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TeV-scale string resonances at hadron colliders
Burikham, P; Figy, T; Han, T; Burikham, P , Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA.
2005
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号71期号:1页码:-
摘要We construct tree-level four-particle open-string amplitudes relevant to dilepton and diphoton production at hadron colliders. We expand the amplitudes into string resonance (SR) contributions and compare the total cross-section through the first SR with the Z(') search at the Tevatron. We establish a current lower bound based on the CDF Run I results on the string scale to be about 1.1-2.1 TeV, and it can be improved to about 1.5-3 TeV with 2 fb(-1). At the LHC, we investigate the properties of signals induced by string resonances in dilepton and diphoton processes. We demonstrate the unique aspects of SR-induced signals distinguishable from other new physics, such as the angular distributions and forward-backward asymmetry. A 95% C.L. lower bound can be reached at the LHC for M-S>8.2-10 TeV with an integrated luminosity of 300 fb(-1). We emphasize the generic features and profound implications of the amplitude construction.
部门归属Univ Wisconsin, Dept Phys, Madison, WI 53706 USA; Fermilab Natl Accelerator Lab, Dept Theoret Phys, Batavia, IL 60510 USA; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Extra-dimensions Gauge Bosons Cosmic Neutrinos Hierarchy Nucleon Models Phenomenology Constraints Millimeter Collisions
学科领域Physics
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收录类别SCI
WOS记录号WOS:000226702300083
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被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13919
专题理论物理所1978-2010年知识产出
通讯作者Burikham, P , Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA.
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Burikham, P,Figy, T,Han, T,et al. TeV-scale string resonances at hadron colliders[J]. PHYSICAL REVIEW D,2005,71(1):-.
APA Burikham, P,Figy, T,Han, T,&Burikham, P , Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA..(2005).TeV-scale string resonances at hadron colliders.PHYSICAL REVIEW D,71(1),-.
MLA Burikham, P,et al."TeV-scale string resonances at hadron colliders".PHYSICAL REVIEW D 71.1(2005):-.
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