Standard

First measurement of the CP-violating phase ϕsdd¯ in Bs 0 → (K + π −)(K − π +) decays. / The LHCb Collaboration.

In: Journal of High Energy Physics, Vol. 2018, No. 3, 140, 01.03.2018.

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

Harvard

The LHCb Collaboration 2018, 'First measurement of the CP-violating phase ϕsdd¯ in Bs 0 → (K + π −)(K − π +) decays', Journal of High Energy Physics, vol. 2018, no. 3, 140. https://doi.org/10.1007/JHEP03(2018)140

APA

The LHCb Collaboration (2018). First measurement of the CP-violating phase ϕsdd¯ in Bs 0 → (K + π −)(K − π +) decays. Journal of High Energy Physics, 2018(3), [140]. https://doi.org/10.1007/JHEP03(2018)140

Vancouver

The LHCb Collaboration. First measurement of the CP-violating phase ϕsdd¯ in Bs 0 → (K + π −)(K − π +) decays. Journal of High Energy Physics. 2018 Mar 1;2018(3):140. doi: 10.1007/JHEP03(2018)140

Author

The LHCb Collaboration. / First measurement of the CP-violating phase ϕsdd¯ in Bs 0 → (K + π −)(K − π +) decays. In: Journal of High Energy Physics. 2018 ; Vol. 2018, No. 3.

BibTeX

@article{975c03605cb04be797f45ab6979bf179,
title = "First measurement of the CP-violating phase ϕsdd¯ in Bs 0 → (K + π −)(K − π +) decays",
abstract = "A flavour-tagged decay-time-dependent amplitude analysis of Bs 0 → (K+π−)(K−π+) decays is presented in the K±π∓ mass range from 750 to 1600MeV/c2. The analysis uses pp collision data collected with the LHCb detector at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3.0 fb−1. Several quasi-two-body decay modes are considered, corresponding to K±π∓ combinations with spin 0, 1 and 2, which are dominated by the K0 *(800)0 and K0 *(1430)0, the K*(892)0 and the K2 *(1430)0 resonances, respectively. The longitudinal polarisation fraction for the Bs0→K∗(892)°K¯∗(892)0 decay is measured as fL = 0.208 ± 0.032 ± 0.046, where the first uncertainty is statistical and the second is systematic. The first measurement of the mixing-induced CP-violating phase, ϕsdd¯, in b→ dd¯ s transitions is performed, yielding a value of ϕsdd¯=−0.10±0.13(stat)±0.14 (syst) rad.",
keywords = "B physics, CP violation, Flavour Changing Neutral Currents, Hadron-Hadron scattering (experiments), Oscillation, DISTRIBUTIONS, PP COLLISIONS, PHYSICS, TOOL",
author = "{The LHCb Collaboration} and R. Aaij and B. Adeva and M. Adinolfi and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and M. Alexander and {Alfonso Albero}, A. and S. Ali 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 Appleby, {R. B.} and F. Archilli and P. d{\textquoteright}Argent and {Arnau Romeu}, J. and A. Artamonov and M. Artuso and E. Aslanides and M. Atzeni and G. Auriemma and M. Baalouch and I. Babuschkin and S. Bachmann and Back, {J. J.} and A. Badalov and C. Baesso and S. Baker and V. Balagura and W. Baldini and A. Baranov and Barlow, {R. J.} and C. Barschel and S. Barsuk and W. Barter and F. Baryshnikov and A. Bondar and S. Eidelman and P. Krokovny and L. Shekhtman and V. Vorobyev",
note = "Publisher Copyright: {\textcopyright} 2018, The Author(s).",
year = "2018",
month = mar,
day = "1",
doi = "10.1007/JHEP03(2018)140",
language = "English",
volume = "2018",
journal = "Journal of High Energy Physics",
issn = "1029-8479",
publisher = "Springer US",
number = "3",

}

RIS

TY - JOUR

T1 - First measurement of the CP-violating phase ϕsdd¯ in Bs 0 → (K + π −)(K − π +) decays

AU - The LHCb Collaboration

AU - Aaij, R.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Alfonso Albero, A.

AU - Ali, S.

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 - Appleby, R. B.

AU - Archilli, F.

AU - d’Argent, P.

AU - Arnau Romeu, J.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Atzeni, M.

AU - Auriemma, G.

AU - Baalouch, M.

AU - Babuschkin, I.

AU - Bachmann, S.

AU - Back, J. J.

AU - Badalov, A.

AU - Baesso, C.

AU - Baker, S.

AU - Balagura, V.

AU - Baldini, W.

AU - Baranov, A.

AU - Barlow, R. J.

AU - Barschel, C.

AU - Barsuk, S.

AU - Barter, W.

AU - Baryshnikov, F.

AU - Bondar, A.

AU - Eidelman, S.

AU - Krokovny, P.

AU - Shekhtman, L.

AU - Vorobyev, V.

N1 - Publisher Copyright: © 2018, The Author(s).

PY - 2018/3/1

Y1 - 2018/3/1

N2 - A flavour-tagged decay-time-dependent amplitude analysis of Bs 0 → (K+π−)(K−π+) decays is presented in the K±π∓ mass range from 750 to 1600MeV/c2. The analysis uses pp collision data collected with the LHCb detector at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3.0 fb−1. Several quasi-two-body decay modes are considered, corresponding to K±π∓ combinations with spin 0, 1 and 2, which are dominated by the K0 *(800)0 and K0 *(1430)0, the K*(892)0 and the K2 *(1430)0 resonances, respectively. The longitudinal polarisation fraction for the Bs0→K∗(892)°K¯∗(892)0 decay is measured as fL = 0.208 ± 0.032 ± 0.046, where the first uncertainty is statistical and the second is systematic. The first measurement of the mixing-induced CP-violating phase, ϕsdd¯, in b→ dd¯ s transitions is performed, yielding a value of ϕsdd¯=−0.10±0.13(stat)±0.14 (syst) rad.

AB - A flavour-tagged decay-time-dependent amplitude analysis of Bs 0 → (K+π−)(K−π+) decays is presented in the K±π∓ mass range from 750 to 1600MeV/c2. The analysis uses pp collision data collected with the LHCb detector at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3.0 fb−1. Several quasi-two-body decay modes are considered, corresponding to K±π∓ combinations with spin 0, 1 and 2, which are dominated by the K0 *(800)0 and K0 *(1430)0, the K*(892)0 and the K2 *(1430)0 resonances, respectively. The longitudinal polarisation fraction for the Bs0→K∗(892)°K¯∗(892)0 decay is measured as fL = 0.208 ± 0.032 ± 0.046, where the first uncertainty is statistical and the second is systematic. The first measurement of the mixing-induced CP-violating phase, ϕsdd¯, in b→ dd¯ s transitions is performed, yielding a value of ϕsdd¯=−0.10±0.13(stat)±0.14 (syst) rad.

KW - B physics

KW - CP violation

KW - Flavour Changing Neutral Currents

KW - Hadron-Hadron scattering (experiments)

KW - Oscillation

KW - DISTRIBUTIONS

KW - PP COLLISIONS

KW - PHYSICS

KW - TOOL

UR - http://www.scopus.com/inward/record.url?scp=85044754908&partnerID=8YFLogxK

U2 - 10.1007/JHEP03(2018)140

DO - 10.1007/JHEP03(2018)140

M3 - Article

AN - SCOPUS:85044754908

VL - 2018

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 3

M1 - 140

ER -

ID: 12299928