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Direct detection of baryogenesis mechanism from squark decays at LHC

An, Haipeng and Zhang, Yue (2014) Direct detection of baryogenesis mechanism from squark decays at LHC. Physical Review D, 89 (7). Art. No. 071902(R). ISSN 2470-0010. doi:10.1103/PhysRevD.89.071902.

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We investigate the feasibility of directly detecting a generation mechanism of the cosmic baryon asymmetry by repeating the same particle physics process inside the LHC. We propose a framework with R-parity and CP violating squark decays responsible for baryogenesis, which can be embedded in supersymmetric models and is partly motivated by naturalness. We argue that the baryon number generation here is closely related to lepton charge asymmetry on the resonance. We emphasize the importance of the single charged lepton plus multijet channel in the absence of significant missing energy in search of such a scenario.

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Additional Information:© 2014 American Physical Society. Received 14 October 2013; published 9 April 2014. We acknowledge insightful discussions with Clifford Cheung, Tao Liu, Michael Ramsey-Musolf, Goran Senjanović and Natalia Toro. H. A.’s research at Perimeter Institute is supported by the Government of Canada through Industry Canada and by the Province of Ontario through the Ministry of Research and Innovation. Y. Z.’s work is supported by the Gordon and Betty Moore Foundation through Grant No. 776 to the Caltech Moore Center for Theoretical Cosmology and Physics, and by the D.O.E. Grant No. DE-FG02-92ER40701.
Group:Caltech Theory, Moore Center for Theoretical Cosmology and Physics
Funding AgencyGrant Number
Gordon and Betty Moore Foundation776
Department of Energy (DOE)DE-FG02-92ER40701
Issue or Number:7
Classification Code:PACS numbers: 11.30.Fs, 11.30.Er, 12.60.Jv, 13.85.Rm
Record Number:CaltechAUTHORS:20140521-090126540
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Official Citation:An, H., & Zhang, Y. (2014). Direct detection of baryogenesis mechanism from squark decays at LHC. Physical Review D, 89(7), 071902.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45863
Deposited On:22 May 2014 17:57
Last Modified:10 Nov 2021 17:17

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