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Right-handed sneutrino-antisneutrino oscillations in a TeV scale Supersymmetric B-L model

Right-handed sneutrino-antisneutrino oscillations in a TeV scale Supersymmetric B-L model
Right-handed sneutrino-antisneutrino oscillations in a TeV scale Supersymmetric B-L model
We explore right-handed sneutrino-antisneutrino mixing in a TeV scale B-L extension of the Minimal Supersymmetric Standard Model (MSSM), (B-L)SSM, where a type I seesaw mechanism of light neutrino mass generation is naturally implemented. The constraints imposed on the mass splitting between heavy right-handed sneutrino and the corresponding antisneutrino by the experimental limits set on the light neutrino masses are investigated. We also study direct pair production of such right-handed sneutrinos at the Large Hadron Collider (LHC) and its decay modes, emphasising that their decay into same-sign di-lepton pairs are salient features for probing these particles at the CERN machine. Finally, the charge asymmetry present in such same-sign di-lepton signals is also analysed and confirms itself as a further useful handle to extract information about the oscillation dynamics.
1550-7998
053010-[8 pages]
Elsayed, A.
f995816a-2847-4616-99b3-b364ae97d32a
Khalil, S.
6021465e-2f5d-4677-846d-05aebc4499f6
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Moursy, A.
4fe7a6c9-d5d4-413d-8711-a373462f89e6
Elsayed, A.
f995816a-2847-4616-99b3-b364ae97d32a
Khalil, S.
6021465e-2f5d-4677-846d-05aebc4499f6
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Moursy, A.
4fe7a6c9-d5d4-413d-8711-a373462f89e6

Elsayed, A., Khalil, S., Moretti, S. and Moursy, A. (2013) Right-handed sneutrino-antisneutrino oscillations in a TeV scale Supersymmetric B-L model. Physical Review D, 87 (5), 053010-[8 pages]. (doi:10.1103/PhysRevD.87.053010).

Record type: Article

Abstract

We explore right-handed sneutrino-antisneutrino mixing in a TeV scale B-L extension of the Minimal Supersymmetric Standard Model (MSSM), (B-L)SSM, where a type I seesaw mechanism of light neutrino mass generation is naturally implemented. The constraints imposed on the mass splitting between heavy right-handed sneutrino and the corresponding antisneutrino by the experimental limits set on the light neutrino masses are investigated. We also study direct pair production of such right-handed sneutrinos at the Large Hadron Collider (LHC) and its decay modes, emphasising that their decay into same-sign di-lepton pairs are salient features for probing these particles at the CERN machine. Finally, the charge asymmetry present in such same-sign di-lepton signals is also analysed and confirms itself as a further useful handle to extract information about the oscillation dynamics.

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More information

Published date: 15 March 2013
Additional Information: 12 pages, 5 figures
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 356672
URI: http://eprints.soton.ac.uk/id/eprint/356672
ISSN: 1550-7998
PURE UUID: 7bbdf551-fb0a-40f2-ac4f-ae1500b1cef2

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Date deposited: 17 Sep 2013 15:35
Last modified: 16 Jul 2019 21:23

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Contributors

Author: A. Elsayed
Author: S. Khalil
Author: S. Moretti
Author: A. Moursy

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