• Open Access

Probing CP violation in exclusive bsνν¯ transitions

Sébastien Descotes-Genon, Svjetlana Fajfer, Jernej F. Kamenik, and Martín Novoa-Brunet
Phys. Rev. D 107, 013005 – Published 13 January 2023

Abstract

We consider the time-dependent analysis of rare Bd and Bs decays mediated by bsνν¯ transitions. The inclusion of time evolution allows us to construct novel observables with specific sensitivity to CP-odd phases in these processes. The sensitivity to CP violation of corresponding time-integrated measurements in the presence of flavor tagging is also explored. We provide precise predictions for these observables in the Standard Model and explore their sensitivity to new CP-violating new physics contributions at present and planned future B-physics experiments. As such, these observables provide unique probes of CP violation in bsνν¯ transitions.

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  • Received 23 September 2022
  • Accepted 19 December 2022

DOI:https://doi.org/10.1103/PhysRevD.107.013005

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. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Sébastien Descotes-Genon1,*, Svjetlana Fajfer2,3,†, Jernej F. Kamenik2,3,‡, and Martín Novoa-Brunet4,§

  • 1Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France
  • 2Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
  • 3Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia
  • 4Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Via Orabona 4, I-70126 Bari, Italy

  • *sebastien.descotes-genon@ijclab.in2p3.fr
  • svjetlana.fajfer@ijs.si
  • jernej.kamenik@cern.ch
  • §Corresponding author. martin.novoa@ba.infn.it

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Issue

Vol. 107, Iss. 1 — 1 January 2023

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