Top quark three-body decays in the R-parity violating MSSM

Details Top quark three-body decays in the R-parity violating MSSM Top quark three-body decays in the R-parity violating MSSM

2009-04-03

arxiv.org/abs/0904.0597v2

Phys.Rev.D79:094029,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

version in PRD (Tevatron bounds updated)

Scientific paper

10.1103/PhysRevD.79.094029

In the minimal supersymmetric standard model the R-parity violating interactions can trigger various exotic three-body decays for the top quark, which may be accessible at the LHC. In this work we examine the R-violating decays t-> c X_1 X_2, which include the tree-level processes t-> c l^-_i l^+_j (l_i=e, mu, tau) and t->c d_i \bar{d}_j (d_i=d, s, b), as well as the loop induced processes t->c g X (X=g, \gamma, Z, h). We find that the hereto weakly constrained R-violating couplings can render the decay branching ratios quite sizable, some of which already reach the sensitivity of the Tevatron collider and can be expored at the LHC with better sensitivity.

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