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Constraining scalar leptoquarks from the K and B sectors

Saha, JP and Misra, B and Kundu, A (2010) Constraining scalar leptoquarks from the K and B sectors. In: Physical Review D - Particles, Fields, Gravitation and Cosmology, 81 (9).

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Official URL: http://prd.aps.org/abstract/PRD/v81/i9/e095011


Upper bounds at the weak scale are obtained for all lambda(ij)lambda(im) type product couplings of the scalar leptoquark model which may affect K-0 - (K) over bar (0), B-d - (B) over bar (d), and B-s - (B) over bar (s) mixing, as well as leptonic and semileptonic K and B decays. Constraints are obtained for both real and imaginary parts of the couplings. We also discuss the role of leptoquarks in explaining the anomalously large CP-violating phase in B-s - (B) over bar (s) mixing.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Centre for High Energy Physics
Depositing User: Ms TV Yashodha
Date Deposited: 14 Jul 2010 05:31
Last Modified: 19 Sep 2010 06:10
URI: http://eprints.iisc.ac.in/id/eprint/28915

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