Angular analysis of the B0 → K⁎(892)0μ+μ− decay in proton-proton collisions at s=13TeV

The CMS collaboration

doi:10.1016/j.physletb.2025.139406

Angular analysis of the B⁰ → K^⁎(892)⁰μ⁺μ⁻ decay in proton-proton collisions at s=13TeV

The CMS collaboration

CERN
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22 Citas (Scopus)

Resumen

A full set of optimized observables is measured in an angular analysis of the decay B⁰→K^⁎(892)⁰μ⁺μ⁻ using a sample of proton-proton collisions at s=13TeV, collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 140 fb⁻¹. The analysis is performed in six bins of the squared invariant mass of the dimuon system, q², over the range 1.1<q²<16GeV². The results are among the most precise experimental measurements of the angular observables for this decay and are compared to a variety of predictions based on the standard model. Some of these predictions exhibit tension with the measurements.

Idioma original	Inglés
Número de artículo	139406
Publicación	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volumen	864
DOI	https://doi.org/10.1016/j.physletb.2025.139406
Estado	Publicada - may. 2025
Publicado de forma externa	Sí

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title = "Angular analysis of the B0 → K⁎(892)0μ+μ− decay in proton-proton collisions at s=13TeV",

abstract = "A full set of optimized observables is measured in an angular analysis of the decay B0→K⁎(892)0μ+μ− using a sample of proton-proton collisions at s=13TeV, collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 140 fb−1. The analysis is performed in six bins of the squared invariant mass of the dimuon system, q2, over the range 1.12<16GeV2. The results are among the most precise experimental measurements of the angular observables for this decay and are compared to a variety of predictions based on the standard model. Some of these predictions exhibit tension with the measurements.",

keywords = "B-physics, CMS, Flavor anomalies, Heavy flavor, Rare decays",

author = "\{The CMS collaboration\} and A. Hayrapetyan and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and L. Benato and T. Bergauer and S. Chatterjee and K. Damanakis and M. Dragicevic and Hussain, \{P. S.\} and M. Jeitler and N. Krammer and A. Li and D. Liko and I. Mikulec and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and M. Sonawane and W. Waltenberger and Wulz, \{C. E.\} and T. Janssen and \{Van Laer\}, T. and \{Van Mechelen\}, P. and N. Breugelmans and J. D'Hondt and S. Dansana and \{De Moor\}, A. and M. Delcourt and F. Heyen and S. Lowette and I. Makarenko and D. M{\"u}ller and S. Tavernier and M. Tytgat and \{Van Onsem\}, \{G. P.\} and \{Van Putte\}, S. and D. Vannerom and B. Bilin and B. Clerbaux and Das, \{A. K.\} and \{De Bruyn\}, I. and \{De Lentdecker\}, G. and H. Evard and L. Favart and P. Gianneios and J. Jaramillo and A. Khalilzadeh and Khan, \{F. A.\} and K. Lee",

note = "Publisher Copyright: {\textcopyright} 2025 CERN for the benefit of the CMS Collaboration",

year = "2025",

month = may,

doi = "10.1016/j.physletb.2025.139406",

language = "Ingl{\'e}s",

volume = "864",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier B.V.",

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T1 - Angular analysis of the B0 → K⁎(892)0μ+μ− decay in proton-proton collisions at s=13TeV

AU - The CMS collaboration

AU - Hayrapetyan, A.

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Benato, L.

AU - Bergauer, T.

AU - Chatterjee, S.

AU - Damanakis, K.

AU - Dragicevic, M.

AU - Hussain, P. S.

AU - Jeitler, M.

AU - Krammer, N.

AU - Li, A.

AU - Liko, D.

AU - Mikulec, I.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Sonawane, M.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Janssen, T.

AU - Van Laer, T.

AU - Van Mechelen, P.

AU - Breugelmans, N.

AU - D'Hondt, J.

AU - Dansana, S.

AU - De Moor, A.

AU - Delcourt, M.

AU - Heyen, F.

AU - Lowette, S.

AU - Makarenko, I.

AU - Müller, D.

AU - Tavernier, S.

AU - Tytgat, M.

AU - Van Onsem, G. P.

AU - Van Putte, S.

AU - Vannerom, D.

AU - Bilin, B.

AU - Clerbaux, B.

AU - Das, A. K.

AU - De Bruyn, I.

AU - De Lentdecker, G.

AU - Evard, H.

AU - Favart, L.

AU - Gianneios, P.

AU - Jaramillo, J.

AU - Khalilzadeh, A.

AU - Khan, F. A.

AU - Lee, K.

PY - 2025/5

Y1 - 2025/5

N2 - A full set of optimized observables is measured in an angular analysis of the decay B0→K⁎(892)0μ+μ− using a sample of proton-proton collisions at s=13TeV, collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 140 fb−1. The analysis is performed in six bins of the squared invariant mass of the dimuon system, q2, over the range 1.12<16GeV2. The results are among the most precise experimental measurements of the angular observables for this decay and are compared to a variety of predictions based on the standard model. Some of these predictions exhibit tension with the measurements.

AB - A full set of optimized observables is measured in an angular analysis of the decay B0→K⁎(892)0μ+μ− using a sample of proton-proton collisions at s=13TeV, collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 140 fb−1. The analysis is performed in six bins of the squared invariant mass of the dimuon system, q2, over the range 1.12<16GeV2. The results are among the most precise experimental measurements of the angular observables for this decay and are compared to a variety of predictions based on the standard model. Some of these predictions exhibit tension with the measurements.

KW - B-physics

KW - CMS

KW - Flavor anomalies

KW - Heavy flavor

KW - Rare decays

UR - https://www.scopus.com/pages/publications/105001121786

U2 - 10.1016/j.physletb.2025.139406

DO - 10.1016/j.physletb.2025.139406

M3 - Artículo

AN - SCOPUS:105001121786

SN - 0370-2693

VL - 864

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

M1 - 139406

ER -

Angular analysis of the B0 → K⁎(892)0μ+μ− decay in proton-proton collisions at s=13TeV

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Angular analysis of the B⁰ → K^⁎(892)⁰μ⁺μ⁻ decay in proton-proton collisions at s=13TeV