Study of the B 0 → ρ(770)°K * (892) 0 decay with an amplitude analysis of B 0 → (π + π − )(K + π − ) decays

Study of the B ⁰ → ρ(770)°K ^* (892) ⁰ decay with an amplitude analysis of B ⁰ → (π ⁺ π ⁻ )(K ⁺ π ⁻ ) decays. / The LHCb Collaboration; Эйдельман, Семен Исаакович; Кроковный, Павел Петрович et al.

In: Journal of High Energy Physics, Vol. 2019, No. 5, 26, 01.05.2019.

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

The LHCb Collaboration, Эйдельман, СИ, Кроковный, ПП & Воробьев, ВС 2019, 'Study of the B ⁰ → ρ(770)°K ^* (892) ⁰ decay with an amplitude analysis of B ⁰ → (π ⁺ π ⁻ )(K ⁺ π ⁻ ) decays', Journal of High Energy Physics, vol. 2019, no. 5, 26. https://doi.org/10.1007/JHEP05(2019)026

The LHCb Collaboration, Эйдельман, С. И., Кроковный, П. П., & Воробьев, В. С. (2019). Study of the B ⁰ → ρ(770)°K ^* (892) ⁰ decay with an amplitude analysis of B ⁰ → (π ⁺ π ⁻ )(K ⁺ π ⁻ ) decays. Journal of High Energy Physics, 2019(5), [26]. https://doi.org/10.1007/JHEP05(2019)026

The LHCb Collaboration, Эйдельман СИ, Кроковный ПП, Воробьев ВС. Study of the B ⁰ → ρ(770)°K ^* (892) ⁰ decay with an amplitude analysis of B ⁰ → (π ⁺ π ⁻ )(K ⁺ π ⁻ ) decays. Journal of High Energy Physics. 2019 May 1;2019(5):26. doi: 10.1007/JHEP05(2019)026

The LHCb Collaboration ; Эйдельман, Семен Исаакович ; Кроковный, Павел Петрович et al. / Study of the B ⁰ → ρ(770)°K ^* (892) ⁰ decay with an amplitude analysis of B ⁰ → (π ⁺ π ⁻ )(K ⁺ π ⁻ ) decays. In: Journal of High Energy Physics. 2019 ; Vol. 2019, No. 5.

@article{5dcadd14885d48b78893db5f44ae9088,

title = "Study of the B 0 → ρ(770)°K * (892) 0 decay with an amplitude analysis of B 0 → (π + π − )(K + π − ) decays",

abstract = " An amplitude analysis of B 0 → (π + π − )(K + π − ) decays is performed in the two-body invariant mass regions 300 < m(π + π − ) < 1100 MeV/c 2 , accounting for the ρ 0 , ω, f 0 (500), f 0 (980) and f 0 (1370) resonances, and 750 < m(K + π − ) < 1200 MeV/c 2 , which is dominated by the K * (892) 0 meson. The analysis uses 3 fb −1 of proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. The CP averages and asymmetries are measured for the magnitudes and phase differences of the con- tributing amplitudes. The CP-averaged longitudinal polarisation fractions of the vector-vector modes are found to be f˜ρK*0 = 0.164 ± 0.015 ± 0.022 and f˜ωK*0 = 0.68 ± 0.17 ± 0.16, and their CP asymmetries, AρK*0 = −0.62 ± 0.09 ± 0.09 and AωK*0 = −0.13 ± 0.27 ± 0.13, where the first uncertainty is statistical and the second systematic.",

keywords = "B physics, CP violation, Hadron-Hadron scattering (experiments), Polarization, MONTE-CARLO, EFFICIENT, TOOL",

author = "{The LHCb Collaboration} and R. Aaij and {Abell{\'a}n Beteta}, C. and B. Adeva and M. Adinolfi and Aidala, {C. A.} and Z. Ajaltouni and S. Akar and P. Albicocco and J. Albrecht and F. Alessio and M. Alexander and {Alfonso Albero}, A. and G. Alkhazov and {Alvarez Cartelle}, P. and Alves, {A. A.} and S. Amato and S. Amerio and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and Andrews, {J. E.} and F. Archilli and P. d{\textquoteright}Argent and {Arnau Romeu}, J. and A. Artamonov and M. Artuso and K. Arzymatov and E. Aslanides and M. Atzeni and B. Audurier and S. Bachmann and Back, {J. J.} and S. Baker and V. Balagura and W. Baldini and A. Baranov and Barlow, {R. J.} and Barrand, {G. C.} and S. Barsuk and W. Barter and M. Bartolini and F. Baryshnikov and V. Batozskaya and B. Batsukh and A. Bondar and V. Kudryavtsev and T. Maltsev and L. Shekhtman and Эйдельман, {Семен Исаакович} and Кроковный, {Павел Петрович} and Воробьев, {Виталий Сергеевич}",

note = "Publisher Copyright: {\textcopyright} 2019, The Author(s).",

year = "2019",

month = may,

day = "1",

doi = "10.1007/JHEP05(2019)026",

language = "English",

volume = "2019",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer US",

number = "5",

}

TY - JOUR

T1 - Study of the B 0 → ρ(770)°K * (892) 0 decay with an amplitude analysis of B 0 → (π + π − )(K + π − ) decays

AU - The LHCb Collaboration

AU - Aaij, R.

AU - Abellán Beteta, C.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Aidala, C. A.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albicocco, P.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Alfonso Albero, A.

AU - Alkhazov, G.

AU - Alvarez Cartelle, P.

AU - Alves, A. A.

AU - Amato, S.

AU - Amerio, S.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andreassi, G.

AU - Andreotti, M.

AU - Andrews, J. E.

AU - Archilli, F.

AU - d’Argent, P.

AU - Arnau Romeu, J.

AU - Artamonov, A.

AU - Artuso, M.

AU - Arzymatov, K.

AU - Aslanides, E.

AU - Atzeni, M.

AU - Audurier, B.

AU - Bachmann, S.

AU - Back, J. J.

AU - Baker, S.

AU - Balagura, V.

AU - Baldini, W.

AU - Baranov, A.

AU - Barlow, R. J.

AU - Barrand, G. C.

AU - Barsuk, S.

AU - Barter, W.

AU - Bartolini, M.

AU - Baryshnikov, F.

AU - Batozskaya, V.

AU - Batsukh, B.

AU - Bondar, A.

AU - Kudryavtsev, V.

AU - Maltsev, T.

AU - Shekhtman, L.

AU - Эйдельман, Семен Исаакович

AU - Кроковный, Павел Петрович

AU - Воробьев, Виталий Сергеевич

PY - 2019/5/1

Y1 - 2019/5/1

N2 - An amplitude analysis of B 0 → (π + π − )(K + π − ) decays is performed in the two-body invariant mass regions 300 < m(π + π − ) < 1100 MeV/c 2 , accounting for the ρ 0 , ω, f 0 (500), f 0 (980) and f 0 (1370) resonances, and 750 < m(K + π − ) < 1200 MeV/c 2 , which is dominated by the K * (892) 0 meson. The analysis uses 3 fb −1 of proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. The CP averages and asymmetries are measured for the magnitudes and phase differences of the con- tributing amplitudes. The CP-averaged longitudinal polarisation fractions of the vector-vector modes are found to be f˜ρK*0 = 0.164 ± 0.015 ± 0.022 and f˜ωK*0 = 0.68 ± 0.17 ± 0.16, and their CP asymmetries, AρK*0 = −0.62 ± 0.09 ± 0.09 and AωK*0 = −0.13 ± 0.27 ± 0.13, where the first uncertainty is statistical and the second systematic.

AB - An amplitude analysis of B 0 → (π + π − )(K + π − ) decays is performed in the two-body invariant mass regions 300 < m(π + π − ) < 1100 MeV/c 2 , accounting for the ρ 0 , ω, f 0 (500), f 0 (980) and f 0 (1370) resonances, and 750 < m(K + π − ) < 1200 MeV/c 2 , which is dominated by the K * (892) 0 meson. The analysis uses 3 fb −1 of proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. The CP averages and asymmetries are measured for the magnitudes and phase differences of the con- tributing amplitudes. The CP-averaged longitudinal polarisation fractions of the vector-vector modes are found to be f˜ρK*0 = 0.164 ± 0.015 ± 0.022 and f˜ωK*0 = 0.68 ± 0.17 ± 0.16, and their CP asymmetries, AρK*0 = −0.62 ± 0.09 ± 0.09 and AωK*0 = −0.13 ± 0.27 ± 0.13, where the first uncertainty is statistical and the second systematic.

KW - B physics

KW - CP violation

KW - Hadron-Hadron scattering (experiments)

KW - Polarization

KW - MONTE-CARLO

KW - EFFICIENT

KW - TOOL

UR - http://www.scopus.com/inward/record.url?scp=85065638313&partnerID=8YFLogxK

U2 - 10.1007/JHEP05(2019)026

DO - 10.1007/JHEP05(2019)026

M3 - Article

AN - SCOPUS:85065638313

VL - 2019

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 5

M1 - 26

ER -

Study of the B ⁰ → ρ(770)°K ^* (892) ⁰ decay with an amplitude analysis of B ⁰ → (π ⁺ π ⁻ )(K ⁺ π ⁻ ) decays

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