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Discriminating new physics in b ? sµ+µ- via transverse polarization asymmetry of K* meson

Alok, AK and Kumbhakar, S and Sankar, SU (2021) Discriminating new physics in b ? sµ+µ- via transverse polarization asymmetry of K* meson. In: 40th International Conference on High Energy Physics, ICHEP 2020, 28 Jul to 6 Aug 2020, Prague.

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A global fit to current b ? sl+l- data suggests several new physics solutions. Considering either only one operator or a pair of similar operators at a time and new physics only in the muon sector, it has been shown that the three scenarios (I) C9NP < 0, (II) C9NP = -C10NP, (III) C9NP = -C90NP can account for all the data. In order to discriminate between these scenarios one needs to have a handle on additional observables in b ? sµ+µ- sector. In this work, we study the transverse polarization asymmetry of K* polarization in B ? K*µ+µ- decay, AT, to explore its sensitivity to discriminate between the three scenarios. We show that a measurement of this asymmetry with an accuracy of one percent can pick out which new physics scenario is the true solution, at better than 3s C.L. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).

Item Type: Conference Paper
Publication: Proceedings of Science
Publisher: Sissa Medialab Srl
Additional Information: The copyright for this article belongs to Sissa Medialab Srl
Keywords: Polarization, New physics; Transverse polarization, High energy physics
Department/Centre: Division of Physical & Mathematical Sciences > Centre for High Energy Physics
Date Deposited: 04 Aug 2021 08:49
Last Modified: 04 Aug 2021 08:49
URI: http://eprints.iisc.ac.in/id/eprint/68938

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