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LHC searches for non-chiral weakly charged multiplets

Buckley, Matthew R. and Randall, Lisa and Shuve, Brian (2011) LHC searches for non-chiral weakly charged multiplets. Journal of High Energy Physics, 2011 (5). Art. No. 097. ISSN 1126-6708. doi:10.1007/JHEP05(2011)097.

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In this paper we consider vector representations of fermions in multiplets of SU(2)L with a lightest neutral state, a notable example of which is the wino LSP in anomaly-mediated models. Because of the expected small one-loop-level splitting between charged and neutral states, the path length in the detector is finite but short so the signature is distinctive but challenging. Our analysis determines the LHC reach of models with additional weakly charged vector-like matter using similar search strategies to existing studies of some specific models. Currently planned search strategies would fail to find such particles, although early LHC data could be used to better understand our signal and possible backgrounds.

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Additional Information:© 2011 SISSA. Received: June 9, 2010. Revised: March 18, 2011. Accepted: May 4, 2011. Published: May 19, 2011. The authors would like to thank Massimiliano Chiorboli, Beate Heinemann, Dorian Kcira, Greg Landsman, Vladimir Litvine, Maurizio Pierini, Michael Schmitt, Sezen Sekmen, and Maria Spiropulu for their invaluable expertise and advice. LR thanks Caltech for a Moore Fellowship and their hospitality and NYU and the CCPP for its hospitality while some of this work was completed. We would also like to thank the Aspen Center for Physics for providing a simulating and productive environment for discussion and work.
Group:Caltech Theory
Funding AgencyGrant Number
Caltech Moore FellowshipUNSPECIFIED
Subject Keywords:Beyond Standard Model – Phenomenological Models – Hadronic Colliders
Issue or Number:5
Record Number:CaltechAUTHORS:20110725-092104303
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Official Citation:LHC searches for non-chiral weakly charged multiplets Matthew R. Buckley, Lisa Randall and Brian Shuve
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24519
Deposited By: Ruth Sustaita
Deposited On:25 Jul 2011 16:36
Last Modified:09 Nov 2021 16:24

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