Phenomenological implications of deflected mirage mediation: comparison with mirage mediation

被引:15
|
作者
Altunkaynak, Baris [1 ]
Nelson, Brent D. [1 ]
Everett, Lisa L. [2 ]
Kim, Ian-Woo [2 ]
Rao, Yongyan [2 ]
机构
[1] Northeastern Univ, Dept Phys, Boston, MA 02115 USA
[2] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
来源
基金
美国国家科学基金会;
关键词
Supersymmetry Phenomenology; DYNAMICAL SUPERSYMMETRY BREAKING; LARGE HADRON COLLIDER; MINIMAL SUPERGRAVITY; ANOMALY MEDIATION; SIGNALS; TERMS;
D O I
10.1007/JHEP05(2010)054
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We compare the collider phenomenology of mirage mediation and deflected mirage mediation, which are two recently proposed "mixed" supersymmetry breaking scenarios motivated from string compactifications. The scenarios differ in that deflected mirage mediation includes contributions from gauge mediation in addition to the contributions from gravity mediation and anomaly mediation also present in mirage mediation. The threshold effects from gauge mediation can drastically alter the low energy spectrum from that of pure mirage mediation models, resulting in some cases in a squeezed gaugino spectrum and a gluino that is much lighter than other colored superpartners. We provide several benchmark deflected mirage mediation models and construct model lines as a function of the gauge mediation contributions, and discuss their discovery potential at the LHC.
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页数:38
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