Skip to main content
We gratefully acknowledge support from the Simons Foundation, member institutions, and all contributors. Donate
arXiv logo
Cornell University Logo

High Energy Physics - Phenomenology

arXiv:1303.0461 (hep-ph)
[Submitted on 3 Mar 2013 (v1), last revised 2 May 2013 (this version, v2)]

Title:Stau with Large Mass Difference and Enhancement of the Higgs to Diphoton Decay Rate in the MSSM

Authors:Teppei Kitahara, Takahiro Yoshinaga
View PDF
Abstract:The ATLAS and the CMS collaborations have presented results which show an excess of the Higgs to diphoton decay channel. In the Minimal Supersymmetric Standard Model (MSSM), this situation can be achieved by a light stau and a large left-right mixing of the staus. However, this parameter region is severely constrained by vacuum stability. In order to relax the vacuum meta-stability condition, we focus on the parameter region where the mass difference between the two staus is large. This region has not been considered yet. In this paper, we show that staus with a large mass difference can relax the vacuum meta-stability condition sufficiently even if the lighter stau mass is kept light. We find that when the mass difference of two staus is large, the enhancement of the Higgs to diphoton decay rate becomes small in spite of a relaxation of the vacuum meta-stability condition. Because of this feature, an O(70)% enhancement of the Higgs to diphoton decay rate is difficult to achieve in the light stau scenario in the MSSM.
Comments: 17 pages, 5 figures; references added, to be published in JHEP
Subjects: High Energy Physics - Phenomenology (hep-ph)
Report number: UT-13-06
Cite as: arXiv:1303.0461 [hep-ph]
  (or arXiv:1303.0461v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1303.0461
Journal reference: JHEP 1305: 035, 2013
Related DOI: https://doi.org/10.1007/JHEP05%282013%29035

Submission history

From: Teppei Kitahara [view email]
[v1] Sun, 3 Mar 2013 05:32:14 UTC (824 KB)
[v2] Thu, 2 May 2013 08:27:51 UTC (823 KB)
Full-text links:

Access Paper:

  • View PDF
  • TeX Source
  • Other Formats
view license
Current browse context:
hep-ph
< prev   |   next >
new | recent | 2013-03

References & Citations

export BibTeX citation

Bookmark

BibSonomy logo Reddit logo

Bibliographic and Citation Tools

Bibliographic Explorer (What is the Explorer?)
Connected Papers (What is Connected Papers?)
Litmaps (What is Litmaps?)
scite Smart Citations (What are Smart Citations?)

Code, Data and Media Associated with this Article

alphaXiv (What is alphaXiv?)
CatalyzeX Code Finder for Papers (What is CatalyzeX?)
DagsHub (What is DagsHub?)
Gotit.pub (What is GotitPub?)
Hugging Face (What is Huggingface?)
Papers with Code (What is Papers with Code?)
ScienceCast (What is ScienceCast?)

Demos

Replicate (What is Replicate?)
Hugging Face Spaces (What is Spaces?)
TXYZ.AI (What is TXYZ.AI?)

Recommenders and Search Tools

Influence Flower (What are Influence Flowers?)
CORE Recommender (What is CORE?)
IArxiv Recommender (What is IArxiv?)

arXivLabs: experimental projects with community collaborators

arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website.

Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them.

Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs.

Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)