R-parity violating decays of Wino chargino and wino neutralino LSPs and NLSPs at the LHC

Dumitru, Sebastian; Ovrut, Burt A.; Purves, Austin

doi:10.1007/jhep06(2019)100

Title: R-parity violating decays of Wino chargino and wino neutralino LSPs and NLSPs at the LHC

Journal Article · 19 June 2019 · Journal of High Energy Physics (Online)

DOI: https://doi.org/10.1007/jhep06(2019)100 · OSTI ID:1610992

Dumitru, Sebastian ^[1]; Ovrut, Burt A. ^[1]; Purves, Austin ^[2]

Univ. of Pennsylvania, Philadelphia, PA (United States)
Manhattanville College, Purchase, NY (United Stats)

The R-parity violating decays of both Wino chargino and Wino neutralino LSPs are analyzed within the context of the B − L MSSM “heterotic standard model”. These LSPs correspond to statistically determined initial soft supersymmetry breaking parameters which, when evolved using the renormalization group equations, lead to an effective theory satisfying all phenomenological requirements; including the observed electroweak vector boson and Higgs masses. The explicit decay channels of these LSPs into standard model particles, the analytic and numerical decay rates and the associated branching ratios are presented. The decay lengths of these RPV interactions are discussed. It is shown that the vast majority of these decays are “prompt”, although a small, but calculable, number correspond to “displaced vertices” of various lengths. It is demonstrated that for a Wino chargino LSP, the NLSP is the Wino neutralino with a mass only slightly higher than the LSP — and vice-versa. As a consequence, we show that both the Wino chargino and Wino neutralino LSP/NLSP R-parity violating decays should be simultaneously observable at the CERN LHC.

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Research Organization:: Univ. of Pennsylvania, Philadelphia, PA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: SC0007901

OSTI ID:: 1610992

Journal Information:: Journal of High Energy Physics (Online), Vol. 2019, Issue 6; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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