English

Study of the slepton non-universality at the CERN Large Hadron Collider

High Energy Physics - Phenomenology 2014-11-17 v1

Abstract

In supersymmetric theory, the sfermion-fermion-gaugino interactions conserve the chirality of (s)fermions. The effect appears as the charge asymmetry in m(jl)m(jl) distributions at the CERN Large Hadron Collider where jets and leptons arise from the cascade decay q~qχ~20qll~\tilde{q} \to q \tilde{\chi}^0_2 \to ql\tilde{l}. Furthermore, the decay branching ratios and the charge asymmetries in m(jl)m(jl) distributions are flavor non-universal due to the l~L\tilde{l}_L and l~R\tilde{l}_R mixing. When tanβ\tan\beta is large, the non-universality between ee and μ\mu becomes O(10)O(10)% level. We perform a Monte Carlo simulation for some minimal supergravity benchmark points to demonstrate the detectability.

Keywords

Cite

@article{arxiv.hep-ph/0406317,
  title  = {Study of the slepton non-universality at the CERN Large Hadron Collider},
  author = {T. Goto and K. Kawagoe and M. M. Nojiri},
  journal= {arXiv preprint arXiv:hep-ph/0406317},
  year   = {2014}
}

Comments

19 pages, 6 figures, revtex