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arXiv 1012.2072hep-ph
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超对称规范耦合统一中的夸克

Quirks in supersymmetry with gauge coupling unification

Stephen P. Martin

摘要:

我调查的现象学的超对称模型与额外的矢量超多重态耦合到标准模型规范场和变换作为一个新的限制非阿贝尔规范相互作用的基本表示。如果要保持微扰规范耦合统一,新群可以是SU(2)、SU(3)或SO(3)。的sparticle质谱上的影响进行了探讨,特别注意的高吉诺质量占主导地位的限制,其中的超对称味问题自然解决。新的约束长度尺度对SO(3)来说是天文数字,因此新粒子基本上是自由的。对于SU(2)和SU(3)的情况,新的矢量类费米子是奇异的;对撞机产生的对产生了由稳定的通量管束缚的奇异-古董态,这些通量管是微观的,但与新的约束尺度相比很长。我研究了Tevatron和LHC的乐观情况下,在一个显着的一部分事件的quirk-antiquirk绑定状态将失去其大部分的能量之前,作为quirkonium湮灭。

英文摘要:

I investigate the phenomenology of supersymmetric models with extra vector-like supermultiplets that couple to the Standard Model gauge fields and transform as the fundamental representation of a new confining non-Abelian gauge interaction. If perturbative gauge coupling unification is to be maintained, the new group can be SU(2), SU(3), or SO(3). The impact on the sparticle mass spectrum is explored, with particular attention to the gaugino mass dominated limit in which the supersymmetric flavor problem is naturally solved. The new confinement length scale is astronomical for SO(3), so the new particles are essentially free. For the SU(2) and SU(3) cases, the new vector-like fermions are quirks; pair production at colliders yields quirk-antiquirk states bound by stable flux tubes that are microscopic but long compared to the new confinement scale. I study the reach of the Tevatron and LHC for the optimistic case that in a significant fraction of events the quirk-antiquirk bound state will lose most of its energy before annihilating as quirkonium.

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