Search for the decay B0 → φφ

LHCb Collaboration; R. Aaij; C. Jayaweera; D. Johnson; C. Lazzeroni; M. J. Madurai; Mary Richardson-Slipper; N. Sahoo; M.W. Slater; D.J.D. Thompson; F.C. Volle; N.K. Watson; E. Whiter

doi:10.1007/JHEP12(2025)026

Search for the decay B⁰ → φφ

LHCb Collaboration
, R. Aaij
, C. Jayaweera
, D. Johnson
, C. Lazzeroni
, M. J. Madurai
, Mary Richardson-Slipper^*
, N. Sahoo
, M.W. Slater
, D.J.D. Thompson
, F.C. Volle
, N.K. Watson
, E. Whiter

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

A search for the decay B⁰ → φφ is made using pp collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb⁻¹. No significant signal is observed, and an upper limit on the branching fraction of 1.3 (1.4) × 10⁻⁸ at 90 (95)% confidence level is set. This result supersedes the previous LHCb study and improves the upper limit by a factor of two.

Original language	English
Article number	26
Number of pages	22
Journal	JHEP
Volume	2025
Issue number	12
DOIs	https://doi.org/10.1007/JHEP12(2025)026
Publication status	Published - 3 Dec 2025

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title = "Search for the decay B0 → φφ",

abstract = "A search for the decay B0 → φφ is made using pp collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. No significant signal is observed, and an upper limit on the branching fraction of 1.3 (1.4) × 10−8 at 90 (95)\% confidence level is set. This result supersedes the previous LHCb study and improves the upper limit by a factor of two.",

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year = "2025",

month = dec,

day = "3",

doi = "10.1007/JHEP12(2025)026",

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TY - JOUR

T1 - Search for the decay B0 → φφ

AU - LHCb Collaboration

AU - Aaij, R.

AU - Jayaweera, C.

AU - Johnson, D.

AU - Lazzeroni, C.

AU - Madurai, M. J.

AU - Richardson-Slipper, Mary

AU - Sahoo, N.

AU - Slater, M.W.

AU - Thompson, D.J.D.

AU - Volle, F.C.

AU - Watson, N.K.

AU - Whiter, E.

PY - 2025/12/3

Y1 - 2025/12/3

N2 - A search for the decay B0 → φφ is made using pp collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. No significant signal is observed, and an upper limit on the branching fraction of 1.3 (1.4) × 10−8 at 90 (95)% confidence level is set. This result supersedes the previous LHCb study and improves the upper limit by a factor of two.

AB - A search for the decay B0 → φφ is made using pp collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. No significant signal is observed, and an upper limit on the branching fraction of 1.3 (1.4) × 10−8 at 90 (95)% confidence level is set. This result supersedes the previous LHCb study and improves the upper limit by a factor of two.

U2 - 10.1007/JHEP12(2025)026

DO - 10.1007/JHEP12(2025)026

M3 - Article

SN - 1126-6708

VL - 2025

JO - JHEP

JF - JHEP

IS - 12

M1 - 26

ER -

Search for the decay B0 → φφ

Abstract

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Search for the decay B⁰ → φφ