Study of CP violation in B0→ DK⋆(892)0 decays with D → Kπ(ππ), ππ(ππ), and KK final states

The LHCb collaboration

doi:10.1007/JHEP05(2024)025

Study of CP violation in B⁰→ DK^⋆(892)⁰ decays with D → Kπ(ππ), ππ(ππ), and KK final states

The LHCb collaboration

Research output: Indexed journal article › Article › peer-review

5 Citations (Scopus)

Abstract

A measurement of CP-violating observables associated with the interference of B⁰→ D⁰K^⋆(892)⁰ and B⁰→D¯⁰K^⋆892⁰ decay amplitudes is performed in the D⁰→ K^∓π^±(π⁺π⁻), D⁰→ π⁺π⁻(π⁺π⁻), and D⁰→ K⁺K⁻ final states using data collected by the LHCb experiment corresponding to an integrated luminosity of 9 fb⁻¹. CP-violating observables related to the interference of B_s ⁰→D⁰K¯^⋆892⁰ and B_s ⁰→D¯⁰K¯^⋆892⁰ are also measured, but no evidence for interference is found. The B⁰ observables are used to constrain the parameter space of the CKM angle γ and the hadronic parameters rB₀ ^DK⋆ and δB₀ ^DK⋆ with inputs from other measurements. In a combined analysis, these measurements allow for four solutions in the parameter space, only one of which is consistent with the world average.

Original language	English
Article number	25
Number of pages	30
Journal	Journal of High Energy Physics
Volume	2024
Issue number	5
DOIs	https://doi.org/10.1007/JHEP05(2024)025
Publication status	Published - May 2024

Keywords

B Physics
CKM Angle Gamma
CP Violation
Hadron-Hadron Scattering

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10.1007/JHEP05(2024)025

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@article{e393a30a090b4ea9aa6da5fde3edd005,

title = "Study of CP violation in B0→ DK⋆(892)0 decays with D → Kπ(ππ), ππ(ππ), and KK final states",

abstract = "A measurement of CP-violating observables associated with the interference of B0→ D0K⋆(892)0 and B0→D¯0K⋆8920 decay amplitudes is performed in the D0→ K∓π±(π+π−), D0→ π+π−(π+π−), and D0→ K+K− final states using data collected by the LHCb experiment corresponding to an integrated luminosity of 9 fb−1. CP-violating observables related to the interference of Bs 0→D0K¯⋆8920 and Bs 0→D¯0K¯⋆8920 are also measured, but no evidence for interference is found. The B0 observables are used to constrain the parameter space of the CKM angle γ and the hadronic parameters rB0 DK⋆ and δB0 DK⋆ with inputs from other measurements. In a combined analysis, these measurements allow for four solutions in the parameter space, only one of which is consistent with the world average.",

keywords = "B Physics, CKM Angle Gamma, CP Violation, Hadron-Hadron Scattering",

author = "\{The LHCb collaboration\} and R. Aaij and Abdelmotteleb, \{A. S.W.\} and \{Abellan Beteta\}, C. and F. Abudin{\'e}n and T. Ackernley and B. Adeva and M. Adinolfi and P. Adlarson and C. Agapopoulou and Aidala, \{C. A.\} and Z. Ajaltouni and S. Akar and K. Akiba and P. Albicocco and J. Albrecht and F. Alessio and M. Alexander and \{Alfonso Albero\}, A. and Z. Aliouche and \{Alvarez Cartelle\}, P. and R. Amalric and S. Amato and Amey, \{J. L.\} and Y. Amhis and L. An and L. Anderlini and M. Andersson and A. Andreianov and P. Andreola and M. Andreotti and D. Andreou and A. Anelli and D. Ao and F. Archilli and M. Argenton and \{Arguedas Cuendis\}, S. and A. Artamonov and M. Artuso and E. Aslanides and M. Atzeni and B. Audurier and D. Bacher and \{Bachiller Perea\}, I. and S. Bachmann and M. Bachmayer and Back, \{J. J.\} and \{Baladron Rodriguez\}, P. and E. Golobardes and \{Valls Canudas\}, N. and X. Vilasis-Cardona",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2024.",

year = "2024",

month = may,

doi = "10.1007/JHEP05(2024)025",

language = "English",

volume = "2024",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer Verlag",

number = "5",

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TY - JOUR

T1 - Study of CP violation in B0→ DK⋆(892)0 decays with D → Kπ(ππ), ππ(ππ), and KK final states

AU - The LHCb collaboration

AU - Aaij, R.

AU - Abdelmotteleb, A. S.W.

AU - Abellan Beteta, C.

AU - Abudinén, F.

AU - Ackernley, T.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Adlarson, P.

AU - Agapopoulou, C.

AU - Aidala, C. A.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Akiba, K.

AU - Albicocco, P.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Alfonso Albero, A.

AU - Aliouche, Z.

AU - Alvarez Cartelle, P.

AU - Amalric, R.

AU - Amato, S.

AU - Amey, J. L.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andersson, M.

AU - Andreianov, A.

AU - Andreola, P.

AU - Andreotti, M.

AU - Andreou, D.

AU - Anelli, A.

AU - Ao, D.

AU - Archilli, F.

AU - Argenton, M.

AU - Arguedas Cuendis, S.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Atzeni, M.

AU - Audurier, B.

AU - Bacher, D.

AU - Bachiller Perea, I.

AU - Bachmann, S.

AU - Bachmayer, M.

AU - Back, J. J.

AU - Baladron Rodriguez, P.

AU - Golobardes, E.

AU - Valls Canudas, N.

AU - Vilasis-Cardona, X.

PY - 2024/5

Y1 - 2024/5

N2 - A measurement of CP-violating observables associated with the interference of B0→ D0K⋆(892)0 and B0→D¯0K⋆8920 decay amplitudes is performed in the D0→ K∓π±(π+π−), D0→ π+π−(π+π−), and D0→ K+K− final states using data collected by the LHCb experiment corresponding to an integrated luminosity of 9 fb−1. CP-violating observables related to the interference of Bs 0→D0K¯⋆8920 and Bs 0→D¯0K¯⋆8920 are also measured, but no evidence for interference is found. The B0 observables are used to constrain the parameter space of the CKM angle γ and the hadronic parameters rB0 DK⋆ and δB0 DK⋆ with inputs from other measurements. In a combined analysis, these measurements allow for four solutions in the parameter space, only one of which is consistent with the world average.

AB - A measurement of CP-violating observables associated with the interference of B0→ D0K⋆(892)0 and B0→D¯0K⋆8920 decay amplitudes is performed in the D0→ K∓π±(π+π−), D0→ π+π−(π+π−), and D0→ K+K− final states using data collected by the LHCb experiment corresponding to an integrated luminosity of 9 fb−1. CP-violating observables related to the interference of Bs 0→D0K¯⋆8920 and Bs 0→D¯0K¯⋆8920 are also measured, but no evidence for interference is found. The B0 observables are used to constrain the parameter space of the CKM angle γ and the hadronic parameters rB0 DK⋆ and δB0 DK⋆ with inputs from other measurements. In a combined analysis, these measurements allow for four solutions in the parameter space, only one of which is consistent with the world average.

KW - B Physics

KW - CKM Angle Gamma

KW - CP Violation

KW - Hadron-Hadron Scattering

UR - https://www.scopus.com/pages/publications/85195198461

U2 - 10.1007/JHEP05(2024)025

DO - 10.1007/JHEP05(2024)025

M3 - Article

AN - SCOPUS:85195198461

SN - 1126-6708

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 5

M1 - 25

ER -

Study of CP violation in B⁰→ DK^⋆(892)⁰ decays with D → Kπ(ππ), ππ(ππ), and KK final states

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Keywords

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