Measurement of the CKM angle γ in B± → DK*(892)± decays

LHCb Collaboration; Marco Adinolfi; Jake Amey; Jozie Cottee Meldrum; Zahra Ghorbanimoghaddam; R. Lane; Alex M Marshall; Camille A Normand; Konstantinos A.  Petridis; Jonas H Rademacker; Jake Reich; Anatoly Solomin; Jaap J Velthuis; Rui Wang; Benedict D C Westhenry; Zak Williams; et al

doi:10.1007/JHEP02(2025)113

Measurement of the CKM angle γ in B^± → DK^*(892)^± decays

LHCb Collaboration, Marco Adinolfi, Jake Amey, Jozie Cottee Meldrum, Zahra Ghorbanimoghaddam, R. Lane, Alex M Marshall, Camille A Normand, Konstantinos A. Petridis, Jonas H Rademacker, Jake Reich, Anatoly Solomin, Jaap J Velthuis, Rui Wang, Benedict D C Westhenry, Zak Williams, et al

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Abstract

Measurements of CP observables and the CKM angle γ are performed in B± → DK*(892)± decays, where D represents a superposition of D0 and D^—0states, using the LHCb dataset collected during Run 1 (2011–2012) and Run 2 (2015–2018). A study of this channel is presented with the D meson reconstructed in two-body final states K±π∓, K+K− and π+π−; four-body final states K±π∓π±π∓ and π+π−π+π−; and three-body final states K⁰_sπ⁺π^-and K⁰_sK⁺K^-. This analysis includes the first observation of the suppressed B± → [π±K∓]DK*± and B± → [π±K∓π±π∓]DK*± decays. The combined result gives γ = (63 ± 13)°.

Original language	English
Article number	113
Number of pages	37
Journal	Journal of High Energy Physics
Volume	2025
Issue number	2
DOIs	https://doi.org/10.1007/JHEP02(2025)113
Publication status	Published - 18 Feb 2025

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LHCb Collaboration, Adinolfi, M., Amey, J., Cottee Meldrum, J., Ghorbanimoghaddam, Z., Lane, R., Marshall, A. M., Normand, C. A., Petridis, K. A., Rademacker, J. H., Reich, J., Solomin, A., Velthuis, J. J., Wang, R., Westhenry, B. D. C., Williams, Z., & al, E. (2025). Measurement of the CKM angle γ in B^± → DK^*(892)^± decays. Journal of High Energy Physics, 2025(2), Article 113. https://doi.org/10.1007/JHEP02(2025)113

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title = "Measurement of the CKM angle γ in B± → DK*(892)± decays",

abstract = "Measurements of CP observables and the CKM angle γ are performed in B± → DK*(892)± decays, where D represents a superposition of D0 and D—0 states, using the LHCb dataset collected during Run 1 (2011–2012) and Run 2 (2015–2018). A study of this channel is presented with the D meson reconstructed in two-body final states K±π∓, K+K− and π+π−; four-body final states K±π∓π±π∓ and π+π−π+π−; and three-body final states K0sπ+π- and K0sK+K- . This analysis includes the first observation of the suppressed B± → [π±K∓]DK*± and B± → [π±K∓π±π∓]DK*± decays. The combined result gives γ = (63 ± 13)°.",

author = "\{LHCb Collaboration\} and Marco Adinolfi and Jake Amey and \{Cottee Meldrum\}, Jozie and Zahra Ghorbanimoghaddam and R. Lane and Marshall, \{Alex M\} and Normand, \{Camille A\} and Petridis, \{Konstantinos A.\} and Rademacker, \{Jonas H\} and Jake Reich and Anatoly Solomin and Velthuis, \{Jaap J\} and Rui Wang and Westhenry, \{Benedict D C\} and Zak Williams and et al",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2025.",

year = "2025",

month = feb,

day = "18",

doi = "10.1007/JHEP02(2025)113",

language = "English",

volume = "2025",

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LHCb Collaboration, Adinolfi, M, Amey, J, Cottee Meldrum, J, Ghorbanimoghaddam, Z, Lane, R, Marshall, AM, Normand, CA, Petridis, KA , Rademacker, JH , Reich, J , Solomin, A , Velthuis, JJ, Wang, R, Westhenry, BDC, Williams, Z & al, E 2025, 'Measurement of the CKM angle γ in B^± → DK^*(892)^± decays', Journal of High Energy Physics, vol. 2025, no. 2, 113. https://doi.org/10.1007/JHEP02(2025)113

TY - JOUR

T1 - Measurement of the CKM angle γ in B± → DK*(892)± decays

AU - LHCb Collaboration

AU - Adinolfi, Marco

AU - Amey, Jake

AU - Cottee Meldrum, Jozie

AU - Ghorbanimoghaddam, Zahra

AU - Lane, R.

AU - Marshall, Alex M

AU - Normand, Camille A

AU - Petridis, Konstantinos A.

AU - Rademacker, Jonas H

AU - Reich, Jake

AU - Solomin, Anatoly

AU - Velthuis, Jaap J

AU - Wang, Rui

AU - Westhenry, Benedict D C

AU - Williams, Zak

AU - al, et

PY - 2025/2/18

Y1 - 2025/2/18

N2 - Measurements of CP observables and the CKM angle γ are performed in B± → DK*(892)± decays, where D represents a superposition of D0 and D—0 states, using the LHCb dataset collected during Run 1 (2011–2012) and Run 2 (2015–2018). A study of this channel is presented with the D meson reconstructed in two-body final states K±π∓, K+K− and π+π−; four-body final states K±π∓π±π∓ and π+π−π+π−; and three-body final states K0sπ+π- and K0sK+K- . This analysis includes the first observation of the suppressed B± → [π±K∓]DK*± and B± → [π±K∓π±π∓]DK*± decays. The combined result gives γ = (63 ± 13)°.

AB - Measurements of CP observables and the CKM angle γ are performed in B± → DK*(892)± decays, where D represents a superposition of D0 and D—0 states, using the LHCb dataset collected during Run 1 (2011–2012) and Run 2 (2015–2018). A study of this channel is presented with the D meson reconstructed in two-body final states K±π∓, K+K− and π+π−; four-body final states K±π∓π±π∓ and π+π−π+π−; and three-body final states K0sπ+π- and K0sK+K- . This analysis includes the first observation of the suppressed B± → [π±K∓]DK*± and B± → [π±K∓π±π∓]DK*± decays. The combined result gives γ = (63 ± 13)°.

U2 - 10.1007/JHEP02(2025)113

DO - 10.1007/JHEP02(2025)113

M3 - Article (Academic Journal)

SN - 1029-8479

VL - 2025

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 2

M1 - 113

ER -