Discovering baryon-number violating neutralino decays at the LHC

Details Discovering baryon-number violating neutralino decays at the LHC Discovering baryon-number violating neutralino decays at the LHC

2009-06-03

arxiv.org/abs/0906.0728v2

Phys.Rev.Lett.103:241803,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 3 figures; updated to reflect content of published paper

Scientific paper

10.1103/PhysRevLett.103.241803

Recently there has been much interest in the use of single-jet mass and jet substructure to identify boosted particles decaying hadronically at the LHC. We develop these ideas to address the challenging case of a neutralino decaying to three quarks in models with baryonic violation of R-parity. These decays have previously been found to be swamped by QCD backgrounds. We demonstrate for the first time that such a decay might be observed directly at the LHC with high significance, by exploiting characteristics of the scales at which its composite jet breaks up into subjets.

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