تقرير
R-Parity Conservation from a Top Down Perspective
| العنوان: | R-Parity Conservation from a Top Down Perspective |
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| المؤلفون: | Acharya, Bobby S., Kane, Gordon L., Kumar, Piyush, Lu, Ran, Zheng, Bob |
| سنة النشر: | 2014 |
| المجموعة: | High Energy Physics - Phenomenology High Energy Physics - Theory |
| مصطلحات موضوعية: | High Energy Physics - Phenomenology, High Energy Physics - Theory |
| الوصف: | Motivated by results from the LHC and dark matter searches, we study the possibility of phenomenologically viable R-parity violation in $SU(5)$ GUT models from a top-down point of view. We show that in contrast to the more model dependent bounds on the proton lifetime, the limits on neutrino masses provide a robust, stringent and complementary constraint on all $SU(5)$ GUT-based R-parity violating models. Focusing on well-motivated string/$M$ theory GUT frameworks with mechanisms for doublet-triplet splitting and a solution to the $\mu/B\mu$ problems, we show that imposing the neutrino mass bounds implies that R-parity violation is disfavored. The arguments can also be generalized to minimal $SO(10)$ GUTs. An experimental observation of R-parity violation would, therefore, disfavor such classes of top-down GUT models. Comment: Citations added, accepted to JHEP with minor revisions |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1007/JHEP10(2014)001 |
| URL الوصول: | http://arxiv.org/abs/1403.4948 |
| رقم الأكسشن: | edsarx.1403.4948 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1007/JHEP10(2014)001 |
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