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Searching for leptoquarks at IceCube and the LHC.

Dey, Ujjal Kumar and Kar, Deepak and Mitra, Manimala and Spannowsky, Michael and Vincent, Aaron C. (2018) 'Searching for leptoquarks at IceCube and the LHC.', Physical review D., 98 (3). 035014.


In the light of recent experimental results from IceCube, LHC searches for scalar leptoquark, and the flavor anomalies RK and RK , we analyze two scalar leptoquark models with hypercharge Y ¼ 1=6 and Y ¼ 7=6. We consider the 53 high-energy starting events from IceCube and perform a statistical analysis, taking into account both the Standard Model and leptoquark contribution together. The lighter leptoquark states that are in agreement with IceCube are strongly constrained from LHC di-lepton+dijet search. Heavier leptoquarks in the TeV mass range are in agreement both with IceCube and LHC. We furthermore show that leptoquark, which explains the B-physics anomalies and does not have any coupling with the third generation of quarks and leptons, can be strongly constrained.

Item Type:Article
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Publisher statement:Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Date accepted:12 June 2018
Date deposited:15 August 2018
Date of first online publication:09 August 2018
Date first made open access:15 August 2018

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