Measurement of CP observables in the process B 0 → DK *0 with two- and four-body D decays

The Lhcb Collaboration

doi:10.1007/JHEP08(2019)041

Measurement of CP observables in the process B ⁰ → DK ^*0 with two- and four-body D decays

The Lhcb Collaboration

(Astro)-Particles Physics

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Measurements of CP observables in B⁰ → DK^∗0 decays are presented, where D represents a superposition of D⁰ and D¯ states. The D meson is reconstructed in the two-body final states K⁺π⁻, π⁺K⁻, K⁺K⁻ and π⁺π⁻, and, for the first time, in the fourbody final states K⁺π⁻π⁺π⁻, π⁺K⁻π⁺π⁻ and π⁺π⁻π⁺π⁻. The analysis uses a sample of neutral B mesons produced in proton-proton collisions, corresponding to an integrated luminosity of 1.0, 2.0 and 1.8 fb⁻¹ collected with the LHCb detector at centre-of-mass energies of s=7,8 and 13 TeV, respectively. First observations of the decays B⁰ → D(π⁺K⁻)K^∗0 and B⁰ → D(π⁺π⁻π⁺π⁻)K^∗0 are obtained. The measured observables are interpreted in terms of the CP -violating weak phase γ. [Figure not available: see fulltext.]

Original language	English
Article number	41
Pages (from-to)	1-29
Number of pages	29
Journal	Journal of High Energy Physics
Volume	2019
Issue number	8
Early online date	7 Aug 2019
DOIs	https://doi.org/10.1007/JHEP08(2019)041
Publication status	Published - Aug 2019

Funding

CKM angle gamma CP violation Hadron-Hadron scattering (experiments) B physics Flavor physics publisher-imprint-name Springer volume-issue-count 12 issue-article-count 53 issue-toc-levels 0 issue-copyright-holder SISSA, Trieste, Italy issue-copyright-year 2019 article-contains-esm No article-numbering-style ContentOnly article-registration-date-year 2019 article-registration-date-month 8 article-registration-date-day 7 article-toc-levels 0 toc-levels 0 volume-type Regular journal-product ArchiveJournal numbering-style Unnumbered article-grants-type OpenChoice metadata-grant OpenAccess abstract-grant OpenAccess bodypdf-grant OpenAccess bodyhtml-grant OpenAccess bibliography-grant OpenAccess esm-grant OpenAccess online-first false pdf-file-reference BodyRef/PDF/13130_2019_Article_11045.pdf target-type OnlinePDF issue-type Regular article-type OriginalPaper journal-subject-primary Physics journal-subject-secondary Elementary Particles, Quantum Field Theory journal-subject-secondary Quantum Field Theories, String Theory journal-subject-secondary Classical and Quantum Gravitation, Relativity Theory journal-subject-secondary Quantum Physics journal-subject-collection Physics and Astronomy open-access true A r X iv e P rint : 1906.08297 Deceased (R. Dzhelyadin) A. Hicheur, C. Göbel and V. Salustino Guimaraes are associated to Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil H. Li, G. Liu, H. Xing, H. Cai, L. Sun, B. Dey, Q. Han, W. Hu, M. Mukherjee, Y. Wang, D. Xiao, Y. Xie, M. Xu, H. Yin, J. Yu and D. Zhang are associated to Center for High Energy Physics, Tsinghua University, Beijing, China D. A. Milanes, I. A. Monroy and J. A. Rodriguez Lopez are associated to LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France M. Heß, N. Meinert, H. Viemann and R. Waldi are associated to Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany C. J. G. Onderwater is associated to Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands T. Likhomanenko, A. Malinin, A. Petrov, V. Shevchenko, F. Baryshnikov, S. Didenko, A. Golutvin, A. Kondybayeva, N. Polukhina, E. Shmanin, A. Kharisova, G. Panshin, S. Strokov and A. Vagner are associated to Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI) Moscow, Russia A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov and A. Ustyuzhanin are associated to Yandex School of Data Analysis, Moscow, Russia L. M. Garcia Martin, L. Henry, B. K. Jashal, F. Martinez Vidal, A. Oyanguren, C. Remon Alepuz, J. Ruiz Vidal and C. Sanchez Mayordomo are associated to ICCUB, Universitat de Barcelona, Barcelona, Spain C. A. Aidala, W. Dean, K. R. Mattioli, J. D. Osborn and J. D. Roth are associated to Syracuse University, Syracuse, NY, U.S.A.

Funders	Funder number
Not added	ST/N000250/1, ST/K003410/1, 1796908, ST/N000331/1, 1793195, ST/L003163/1, ST/N000242/1
Creative Commons Attribution License
Horizon 2020 Framework Programme	792684
Science and Technology Facilities Council	ST/J004332/1

Keywords

B physics
CKM angle gamma
CP violation
Flavor physics
Hadron-Hadron scattering (experiments)

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10.1007/JHEP08(2019)041

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@article{bcfa91293ac8477398b683140c838203,

title = "Measurement of CP observables in the process B 0 → DK *0 with two- and four-body D decays",

abstract = "Measurements of CP observables in B0 → DK∗0 decays are presented, where D represents a superposition of D0 and D¯ states. The D meson is reconstructed in the two-body final states K+π−, π+K−, K+K− and π+π−, and, for the first time, in the fourbody final states K+π−π+π−, π+K−π+π− and π+π−π+π−. The analysis uses a sample of neutral B mesons produced in proton-proton collisions, corresponding to an integrated luminosity of 1.0, 2.0 and 1.8 fb−1 collected with the LHCb detector at centre-of-mass energies of s=7,8 and 13 TeV, respectively. First observations of the decays B0 → D(π+K−)K∗0 and B0 → D(π+π−π+π−)K∗0 are obtained. The measured observables are interpreted in terms of the CP -violating weak phase γ. [Figure not available: see fulltext.]",

keywords = "B physics, CKM angle gamma, CP violation, Flavor physics, Hadron-Hadron scattering (experiments)",

author = "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 Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and Andrews, {J. E.} and F. Archilli 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 S. Barsuk and W. Barter and M. Bartolini and F. Baryshnikov and V. Batozskaya and B. Batsukh and A. Battig and V. Battista and A. Bay and F. Bedeschi and I. Bediaga and A. Beiter and Bel, {L. J.} and V. Belavin and S. Belin and N. Beliy and V. Bellee and K. Belous and I. Belyaev and G. Bencivenni and E. Ben-Haim and S. Benson and S. Beranek and A. Berezhnoy and R. Bernet and D. Berninghoff and E. Bertholet and A. Bertolin and C. Betancourt and F. Betti and Bettler, {M. O.} and Ia Bezshyiko and S. Bhasin and J. Bhom and Bieker, {M. S.} and S. Bifani and P. Billoir and A. Birnkraut and A. Bizzeti and M. Bj{\o}rn and Blago, {M. P.} and T. Blake and F. Blanc and S. Blusk and D. Bobulska and V. Bocci and O. BoenteGarcia and T. Boettcher and A. Boldyrev and A. Bondar and N. Bondar and S. Borghi and M. Borisyak and M. Borsato and M. Boubdir and Bowcock, {T. J.V.} and C. Bozzi and S. Braun and A. BreaRodriguez and M. Brodski and J. Brodzicka and A. BrossaGonzalo and D. Brundu and E. Buchanan and A. Buonaura and C. Burr and A. Bursche and Butter, {J. S.} and J. Buytaert and W. Byczynski and S. Cadeddu and H. Cai and R. Calabrese and S. Cali and R. Calladine and M. Calvi and {Calvo Gomez}, M. and A. Camboni and P. Campana and CamporaPerez, {D. H.} and L. Capriotti and A. Carbone and G. Carboni and R. Cardinale and A. Cardini and P. 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Davis and {De Aguiar Francisco}, O. and {De Bruyn}, K. and {De Capua}, S. and {De Cian}, M. and {De Miranda}, {J. M.} and {De Paula}, L. and {De Serio}, M. and {De Simone}, P. and {de Vries}, {J. A.} and Dean, {C. T.} and W. Dean and D. Decamp and {Del Buono}, L. and B. Delaney and Dembinski, {H. P.} and M. Demmer and A. Dendek and V. Denysenko and D. Derkach and O. Deschamps and F. Desse and F. Dettori and B. Dey and {Di Canto}, A. and {Di Nezza}, P. and S. Didenko and H. Dijkstra and F. Dordei and M. Dorigo and {dos Reis}, {A. C.} and {Dosil Su{\'a}rez}, A. and L. Douglas and A. Dovbnya and K. Dreimanis and L. Dufour and G. Dujany and P. Durante and Durham, {J. M.} and D. Dutta and R. Dzhelyadin and M. Dziewiecki and A. Dziurda and A. Dzyuba and S. Easo and U. Egede and V. Egorychev and S. Eidelman and S. Eisenhardt and U. Eitschberger and R. Ekelhof and S. Ek-In and L. Eklund and S. Ely and A. Ene and S. Escher and S. Esen and T. Evans and A. Falabella and C. F{\"a}rber and N. 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Traill and Tran, {M. T.} and A. Trisovic and A. Tsaregorodtsev and G. Tuci and A. Tully and N. Tuning and A. Ukleja and A. Usachov and A. Ustyuzhanin and U. Uwer and A. Vagner and V. Vagnoni and A. Valassi and S. Valat and G. Valenti and {van Beuzekom}, M. and {Van Hecke}, H. and {van Herwijnen}, E. and {Van Hulse}, {C. B.} and {van Tilburg}, J. and {van Veghel}, M. and {Vazquez Gomez}, R. and {Vazquez Regueiro}, P. and {V{\'a}zquez Sierra}, C. and S. Vecchi and Velthuis, {J. J.} and M. Veltri and A. Venkateswaran and M. Vernet and M. Veronesi and M. Vesterinen and {Viana Barbosa}, {J. V.} and D. Vieira and {Vieites Diaz}, M. and H. Viemann and X. Vilasis-Cardona and A. Vitkovskiy and M. Vitti and V. Volkov and A. Vollhardt and {Vom Bruch}, D. and B. Voneki and A. Vorobyev and V. Vorobyev and N. Voropaev and R. Waldi and J. Walsh and J. Wang and J. Wang and M. Wang and Y. Wang and Z. Wang and Ward, {D. R.} and Wark, {H. M.} and Watson, {N. K.} and D. Websdale and A. Weiden and C. Weisser and White, {D. J.} and M. Whitehead and G. Wilkinson and M. Wilkinson and I. Williams and M. Williams and Williams, {M. R.J.} and T. Williams and Wilson, {F. F.} and M. Winn and W. Wislicki and M. Witek and G. Wormser and Wotton, {S. A.} and K. Wyllie and Z. Xiang and D. Xiao and Y. Xie and H. Xing and A. Xu and L. Xu and M. Xu and Q. Xu and Z. Xu and Z. Xu and Z. Yang and Z. Yang and Y. Yao and Yeomans, {L. E.} and H. Yin and J. Yu and X. Yuan and O. Yushchenko and Zarebski, {K. A.} and M. Zavertyaev and M. Zeng and D. Zhang and L. Zhang and S. Zhang and Zhang, {W. C.} and Y. Zhang and A. Zhelezov and Y. Zheng and X. Zhou and Y. Zhou and X. Zhu and V. Zhukov and Zonneveld, {J. B.} and S. Zucchelli and {The Lhcb Collaboration}",

year = "2019",

month = aug,

doi = "10.1007/JHEP08(2019)041",

language = "English",

volume = "2019",

pages = "1--29",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer Verlag",

number = "8",

}

TY - JOUR

T1 - Measurement of CP observables in the process B 0 → DK *0 with two- and four-body D decays

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 - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andreassi, G.

AU - Andreotti, M.

AU - Andrews, J. E.

AU - Archilli, F.

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 - Barsuk, S.

AU - Barter, W.

AU - Bartolini, M.

AU - Baryshnikov, F.

AU - Batozskaya, V.

AU - Batsukh, B.

AU - Battig, A.

AU - Battista, V.

AU - Bay, A.

AU - Bedeschi, F.

AU - Bediaga, I.

AU - Beiter, A.

AU - Bel, L. J.

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AU - Zhang, W. C.

AU - Zhang, Y.

AU - Zhelezov, A.

AU - Zheng, Y.

AU - Zhou, X.

AU - Zhou, Y.

AU - Zhu, X.

AU - Zhukov, V.

AU - Zonneveld, J. B.

AU - Zucchelli, S.

AU - The Lhcb Collaboration

PY - 2019/8

Y1 - 2019/8

N2 - Measurements of CP observables in B0 → DK∗0 decays are presented, where D represents a superposition of D0 and D¯ states. The D meson is reconstructed in the two-body final states K+π−, π+K−, K+K− and π+π−, and, for the first time, in the fourbody final states K+π−π+π−, π+K−π+π− and π+π−π+π−. The analysis uses a sample of neutral B mesons produced in proton-proton collisions, corresponding to an integrated luminosity of 1.0, 2.0 and 1.8 fb−1 collected with the LHCb detector at centre-of-mass energies of s=7,8 and 13 TeV, respectively. First observations of the decays B0 → D(π+K−)K∗0 and B0 → D(π+π−π+π−)K∗0 are obtained. The measured observables are interpreted in terms of the CP -violating weak phase γ. [Figure not available: see fulltext.]

AB - Measurements of CP observables in B0 → DK∗0 decays are presented, where D represents a superposition of D0 and D¯ states. The D meson is reconstructed in the two-body final states K+π−, π+K−, K+K− and π+π−, and, for the first time, in the fourbody final states K+π−π+π−, π+K−π+π− and π+π−π+π−. The analysis uses a sample of neutral B mesons produced in proton-proton collisions, corresponding to an integrated luminosity of 1.0, 2.0 and 1.8 fb−1 collected with the LHCb detector at centre-of-mass energies of s=7,8 and 13 TeV, respectively. First observations of the decays B0 → D(π+K−)K∗0 and B0 → D(π+π−π+π−)K∗0 are obtained. The measured observables are interpreted in terms of the CP -violating weak phase γ. [Figure not available: see fulltext.]

KW - B physics

KW - CKM angle gamma

KW - CP violation

KW - Flavor physics

KW - Hadron-Hadron scattering (experiments)

UR - http://www.scopus.com/inward/record.url?scp=85070708906&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85070708906&partnerID=8YFLogxK

U2 - 10.1007/JHEP08(2019)041

DO - 10.1007/JHEP08(2019)041

M3 - Article

AN - SCOPUS:85070708906

SN - 1126-6708

VL - 2019

SP - 1

EP - 29

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 8

M1 - 41

ER -