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arXiv 0910.5555hep-ph
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LHC上规范介导的广义信使扇区超对称破缺

Gauge-mediated supersymmetry breaking with generalized messenger sector at LHC

Hidetoshi Kawase, Nobuhiro Maekawa, Kazuki Sakurai

摘要:

考虑了信使场不构成SU(5)GUT对称性完全多重态的广义规范介导超对称破缺(GMSB)模型。这种情况可能发生在反常U(1)GUT方案中,因为超重粒子的质谱不遵守SU(5)GUT对称性,尽管规范耦合统一的成功可以解释。在本文中,我们假设一对信使场提供了主导的贡献,和LHC签名的两个可能的信使,X + \bar{X}和Q + \bar{Q},检查。我们调查的可能性,以测量偏离通常的大统一理论关系的高根质量,这是这些方案的最重要的功能之一。

英文摘要:

We consider the generalized gauge mediated supersymmetry breaking (GMSB) models with the messenger fields which do not form the complete multiplets of SU(5) GUT symmetry. Such a situation may happen in the anomalous U(1) GUT scenario because the mass spectrum of the superheavy particle does not respect SU(5) GUT symmetry, although the success of the gauge coupling unification can be explained. In this paper, we assume that one pair of the messenger fields gives the dominant contribution, and the LHC signature for the two possible messengers, X + \bar{X} and Q + \bar{Q}, are examined. We investigate the possibility to measure the deviation from the usual GUT relation of the gaugino masses which is one of the most important features of these scenarios.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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