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Searching for Leptoquarks at IceCube and the LHC

Dey, Ujjal Kumar; Kar, Deepak; Mitra, Manimala; Spannowsky, Michael; Vincent, Aaron C.

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Ujjal Kumar Dey

Deepak Kar

Manimala Mitra

Aaron C. Vincent


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.


Dey, U. K., Kar, D., Mitra, M., Spannowsky, M., & Vincent, A. C. (2018). Searching for Leptoquarks at IceCube and the LHC. Physical Review D, 98(3), Article 035014.

Journal Article Type Article
Acceptance Date Jun 12, 2018
Online Publication Date Aug 9, 2018
Publication Date Aug 9, 2018
Deposit Date Sep 27, 2017
Publicly Available Date Aug 15, 2018
Journal Physical Review D
Print ISSN 2470-0010
Electronic ISSN 2470-0029
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 98
Issue 3
Article Number 035014


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Copyright 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.

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