Observation of the decay Bs0 → D ̄ 0K+K- OBSERVATION of the DECAY ... R. AAIJ et al.

LHCb Collaboratio

doi:10.1103/PhysRevD.98.072006

Observation of the decay Bs0 → D ̄ 0K+K- OBSERVATION of the DECAY ... R. AAIJ et al.

LHCb Collaboratio

(Astro)-Particles Physics

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

Abstract

The first observation of the Bs0→D̄0K+K- decay is reported, together with the most precise branching fraction measurement of the mode B0→D̄0K+K-. The results are obtained from an analysis of pp collision data corresponding to an integrated luminosity of 3.0 fb-1. The data were collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction of the B0→D̄0K+K- decay is measured relative to that of the decay B0→D̄0π+π- to be B(B0→D̄0K+K-)B(B0→D̄0π+π-)=(6.9±0.4±0.3)%, where the first uncertainty is statistical and the second is systematic. The measured branching fraction of the Bs0→D̄0K+K- decay mode relative to that of the corresponding B0 decay is B(Bs0→D̄0K+K-)B(B0→D̄0K+K-)=(93.0±8.9±6.9)%. Using the known branching fraction of B0→D̄0π+π-, the values of B(B0→D̄0K+K-)=(6.1±0.4±0.3±0.3)×10-5 and B(Bs0→D̄0K+K-)=(5.7±0.5±0.4±0.5)×10-5 are obtained, where the third uncertainties arise from the branching fraction of the decay modes B0→D̄0π+π- and B0→D̄0K+K-, respectively.

Original language	English
Article number	072006
Pages (from-to)	1-19
Number of pages	19
Journal	Physical Review D
Volume	98
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.98.072006
Publication status	Published - 1 Oct 2018

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@article{95e0ef65d65f493eb353d01e73633ce1,

title = "Observation of the decay Bs0 → D{\= } 0K+K- OBSERVATION of the DECAY ... R. AAIJ et al.",

abstract = "The first observation of the Bs0→{\=D}0K+K- decay is reported, together with the most precise branching fraction measurement of the mode B0→{\=D}0K+K-. The results are obtained from an analysis of pp collision data corresponding to an integrated luminosity of 3.0 fb-1. The data were collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction of the B0→{\=D}0K+K- decay is measured relative to that of the decay B0→{\=D}0π+π- to be B(B0→{\=D}0K+K-)B(B0→{\=D}0π+π-)=(6.9±0.4±0.3)%, where the first uncertainty is statistical and the second is systematic. The measured branching fraction of the Bs0→{\=D}0K+K- decay mode relative to that of the corresponding B0 decay is B(Bs0→{\=D}0K+K-)B(B0→{\=D}0K+K-)=(93.0±8.9±6.9)%. Using the known branching fraction of B0→{\=D}0π+π-, the values of B(B0→{\=D}0K+K-)=(6.1±0.4±0.3±0.3)×10-5 and B(Bs0→{\=D}0K+K-)=(5.7±0.5±0.4±0.5)×10-5 are obtained, where the third uncertainties arise from the branching fraction of the decay modes B0→{\=D}0π+π- and B0→{\=D}0K+K-, respectively.",

author = "R. Aaij 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 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'Argent and {Arnau Romeu}, J. and A. Artamonov and M. Artuso and K. Arzymatov and E. Aslanides and M. Atzeni 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 F. Baryshnikov and V. Batozskaya and B. Batsukh and V. Battista and A. Bay and J. Beddow and F. Bedeschi and I. Bediaga and A. Beiter and Bel, {L. J.} and N. Beliy and V. Bellee and N. Belloli and K. Belous and I. Belyaev and E. Ben-Haim and G. Bencivenni 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 {Van Beuzekom}, M. and Ia Bezshyiko and S. Bifani and P. Billoir and A. Birnkraut and A. Bizzeti and M. Bj{\o}rn and T. Blake and F. Blanc and S. Blusk and D. Bobulska and V. Bocci and {Boente Garcia}, O. and T. Boettcher and A. Bondar and N. Bondar and S. Borghi and M. Borisyak and M. Borsato and F. Bossu and M. Boubdir and Bowcock, {T. J.V.} and C. Bozzi and S. Braun and M. Brodski and J. Brodzicka and D. Brundu and E. Buchanan and A. Buonaura and C. Burr and A. Bursche and J. Buytaert and W. Byczynski and S. Cadeddu and H. Cai and R. Calabrese and R. Calladine and M. Calvi and {Calvo Gomez}, M. and A. Camboni and P. Campana and {Campora Perez}, {D. H.} and L. Capriotti and A. Carbone and G. Carboni and R. Cardinale and A. Cardini and P. Carniti and L. Carson and {Carvalho Akiba}, K. and G. Casse and L. Cassina and M. Cattaneo and G. Cavallero and R. Cenci and D. Chamont and Chapman, {M. G.} and M. Charles and Ph Charpentier and G. Chatzikonstantinidis and M. Chefdeville and V. Chekalina and C. Chen and S. Chen and Chitic, {S. G.} and V. Chobanova and M. Chrzaszcz and A. Chubykin and P. Ciambrone and {Cid Vidal}, X. and G. Ciezarek and Clarke, {P. E.L.} and M. Clemencic and Cliff, {H. V.} and J. Closier and V. Coco and J. Cogan and E. Cogneras and L. Cojocariu and P. Collins and T. Colombo and A. Comerma-Montells and A. Contu and G. Coombs and S. Coquereau and G. Corti and M. Corvo and {Costa Sobral}, {C. M.} and B. Couturier and Cowan, {G. A.} and Craik, {D. C.} and A. Crocombe and {Cruz Torres}, M. and R. Currie and C. D'Ambrosio and {Da Cunha Marinho}, F. and {Da Silva}, {C. L.} and E. Dall'Occo and J. Dalseno and A. Danilina and A. 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 Dean, {C. T.} and D. 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Fiutowski and F. Fleuret and M. Fontana and F. Fontanelli and R. Forty and {Franco Lima}, V. and M. Frank and C. Frei and J. Fu and W. Funk and C. F{\"a}rber and {F{\'e}o Pereira Rivello Carvalho}, M. and E. Gabriel and {Gallas Torreira}, A. and D. Galli and S. Gallorini and S. Gambetta and M. Gandelman and P. Gandini and Y. Gao and {Garcia Martin}, {L. M.} and {Garcia Plana}, B. and {Garc{\'i}a Pardi{\~n}as}, J. and {Garra Tico}, J. and L. Garrido and D. Gascon and C. Gaspar and L. Gavardi and G. Gazzoni and D. Gerick and E. Gersabeck and M. Gersabeck and T. Gershon and Ph Ghez and S. Gian{\`i} and V. Gibson and Girard, {O. G.} and L. Giubega and K. Gizdov and Gligorov, {V. V.} and D. Golubkov and A. Golutvin and A. Gomes and Gorelov, {I. V.} and C. Gotti and E. Govorkova and Grabowski, {J. P.} and {Graciani Diaz}, R. and {Granado Cardoso}, {L. A.} and E. Graug{\'e}s and E. Graverini and G. Graziani and A. Grecu and R. Greim and P. Griffith and L. Grillo and L. Gruber and {Gruberg Cazon}, {B. R.} and O. Gr{\"u}nberg and C. Gu and E. Gushchin and Yu Guz and T. Gys and C. G{\"o}bel and T. Hadavizadeh and C. Hadjivasiliou and G. Haefeli and C. Haen and Haines, {S. C.} and B. Hamilton and X. Han and Hancock, {T. H.} and S. Hansmann-Menzemer and N. Harnew and Harnew, {S. T.} and C. Hasse and M. Hatch and J. He and M. Hecker and K. Heinicke and A. Heister and K. Hennessy and L. Henry and {Van Herwijnen}, E. and M. He{\ss} and A. Hicheur and D. Hill and M. Hilton and Hopchev, {P. H.} and W. Hu and W. Huang and Huard, {Z. C.} and W. Hulsbergen and T. Humair and M. Hushchyn and D. Hutchcroft and D. Hynds and P. Ibis and M. Idzik and P. Ilten and K. Ivshin and R. Jacobsson and J. Jalocha and E. Jans and A. Jawahery and F. Jiang and M. John and D. Johnson and Jones, {C. R.} and C. Joram and B. Jost and N. Jurik and S. Kandybei and M. Karacson and Kariuki, {J. M.} and S. Karodia and N. Kazeev and M. Kecke and F. Keizer and M. Kelsey and M. Kenzie and T. Ketel and E. Khairullin and B. Khanji and C. Khurewathanakul and Kim, {K. E.} and T. Kirn and S. Klaver and K. Klimaszewski and T. Klimkovich and S. Koliiev and M. Kolpin and R. Kopecna and P. Koppenburg and S. Kotriakhova and M. Kozeiha and L. Kravchuk and M. Kreps and F. Kress and P. Krokovny and W. Krupa and W. Krzemien and W. Kucewicz and M. Kucharczyk and V. Kudryavtsev and Kuonen, {A. K.} and T. Kvaratskheliya and D. Lacarrere and G. Lafferty and A. Lai and D. Lancierini and G. Lanfranchi and C. Langenbruch and T. Latham and C. Lazzeroni and {Le Gac}, R. and A. Leflat and J. Lefran{\c c}ois and R. Lef{\`e}vre and F. Lemaitre and O. Leroy and T. Lesiak and B. Leverington and Li, {P. R.} and T. Li and Z. Li and X. Liang and T. Likhomanenko and R. Lindner and F. Lionetto and V. Lisovskyi and X. Liu and D. Loh and A. Loi and I. Longstaff and Lopes, {J. H.} and D. Lucchesi and {Lucio Martinez}, M. and A. Lupato and E. Luppi and O. Lupton and A. Lusiani and X. Lyu and F. Machefert and F. Maciuc and V. Macko and P. Mackowiak and S. Maddrell-Mander and O. Maev and K. Maguire and D. Maisuzenko and Majewski, {M. W.} and S. Malde and B. Malecki and A. Malinin and T. Maltsev and G. Manca and G. Mancinelli and D. Marangotto and J. Maratas and Marchand, {J. F.} and U. Marconi and {Marin Benito}, C. and M. Marinangeli and P. Marino and J. Marks and G. Martellotti and M. Martin and M. Martinelli and {Martinez Santos}, D. and {Martinez Vidal}, F. and A. Massafferri and R. Matev and A. Mathad and Z. Mathe and C. Matteuzzi and A. Mauri and E. Maurice and B. Maurin and A. Mazurov and M. McCann and A. McNab and R. McNulty and Mead, {J. V.} and B. Meadows and C. Meaux and F. Meier and N. Meinert and D. Melnychuk and M. Merk and A. Merli and E. Michielin and Milanes, {D. A.} and E. Millard and Minard, {M. N.} and L. Minzoni and Mitzel, {D. S.} and A. Mogini and {Molina Rodriguez}, J. and T. Momb{\"a}cher and Monroy, {I. A.} and S. Monteil and M. Morandin and G. 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year = "2018",

month = oct,

day = "1",

doi = "10.1103/PhysRevD.98.072006",

language = "English",

volume = "98",

pages = "1--19",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "7",

}

TY - JOUR

T1 - Observation of the decay Bs0 → D ̄ 0K+K- OBSERVATION of the DECAY ... R. AAIJ et al.

AU - Aaij, R.

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 - 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 - Arzymatov, K.

AU - Aslanides, E.

AU - Atzeni, M.

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 - Baryshnikov, F.

AU - Batozskaya, V.

AU - Batsukh, B.

AU - Battista, V.

AU - Bay, A.

AU - Beddow, J.

AU - Bedeschi, F.

AU - Bediaga, I.

AU - Beiter, A.

AU - Bel, L. J.

AU - Beliy, N.

AU - Bellee, V.

AU - Belloli, N.

AU - Belous, K.

AU - Belyaev, I.

AU - Ben-Haim, E.

AU - Bencivenni, G.

AU - Benson, S.

AU - Beranek, S.

AU - Berezhnoy, A.

AU - Bernet, R.

AU - Berninghoff, D.

AU - Bertholet, E.

AU - Bertolin, A.

AU - Betancourt, C.

AU - Betti, F.

AU - Bettler, M. O.

AU - Van Beuzekom, M.

AU - Bezshyiko, Ia

AU - Bifani, S.

AU - Billoir, P.

AU - Birnkraut, A.

AU - Bizzeti, A.

AU - Bjørn, M.

AU - Blake, T.

AU - Blanc, F.

AU - Blusk, S.

AU - Bobulska, D.

AU - Bocci, V.

AU - Boente Garcia, O.

AU - Boettcher, T.

AU - Bondar, A.

AU - Bondar, N.

AU - Borghi, S.

AU - Borisyak, M.

AU - Borsato, M.

AU - Bossu, F.

AU - Boubdir, M.

AU - Bowcock, T. J.V.

AU - Bozzi, C.

AU - Braun, S.

AU - Brodski, M.

AU - Brodzicka, J.

AU - Brundu, D.

AU - Buchanan, E.

AU - Buonaura, A.

AU - Burr, C.

AU - Bursche, A.

AU - Buytaert, J.

AU - Byczynski, W.

AU - Cadeddu, S.

AU - Cai, H.

AU - Calabrese, R.

AU - Calladine, R.

AU - Calvi, M.

AU - Calvo Gomez, M.

AU - Camboni, A.

AU - Campana, P.

AU - Campora Perez, D. H.

AU - Capriotti, L.

AU - Carbone, A.

AU - Carboni, G.

AU - Cardinale, R.

AU - Cardini, A.

AU - Carniti, P.

AU - Carson, L.

AU - Carvalho Akiba, K.

AU - Casse, G.

AU - Cassina, L.

AU - Cattaneo, M.

AU - Cavallero, G.

AU - Cenci, R.

AU - Chamont, D.

AU - Chapman, M. G.

AU - Charles, M.

AU - Charpentier, Ph

AU - Chatzikonstantinidis, G.

AU - Chefdeville, M.

AU - Chekalina, V.

AU - Chen, C.

AU - Chen, S.

AU - Chitic, S. G.

AU - Chobanova, V.

AU - Chrzaszcz, M.

AU - Chubykin, A.

AU - Ciambrone, P.

AU - Cid Vidal, X.

AU - Ciezarek, G.

AU - Clarke, P. E.L.

AU - Clemencic, M.

AU - Cliff, H. V.

AU - Closier, J.

AU - Coco, V.

AU - Cogan, J.

AU - Cogneras, E.

AU - Cojocariu, L.

AU - Collins, P.

AU - Colombo, T.

AU - Comerma-Montells, A.

AU - Contu, A.

AU - Coombs, G.

AU - Coquereau, S.

AU - Corti, G.

AU - Corvo, M.

AU - Costa Sobral, C. M.

AU - Couturier, B.

AU - Cowan, G. A.

AU - Craik, D. C.

AU - Crocombe, A.

AU - Cruz Torres, M.

AU - Currie, R.

AU - D'Ambrosio, C.

AU - Da Cunha Marinho, F.

AU - Da Silva, C. L.

AU - Dall'Occo, E.

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AU - LHCb Collaboratio

PY - 2018/10/1

Y1 - 2018/10/1

N2 - The first observation of the Bs0→D̄0K+K- decay is reported, together with the most precise branching fraction measurement of the mode B0→D̄0K+K-. The results are obtained from an analysis of pp collision data corresponding to an integrated luminosity of 3.0 fb-1. The data were collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction of the B0→D̄0K+K- decay is measured relative to that of the decay B0→D̄0π+π- to be B(B0→D̄0K+K-)B(B0→D̄0π+π-)=(6.9±0.4±0.3)%, where the first uncertainty is statistical and the second is systematic. The measured branching fraction of the Bs0→D̄0K+K- decay mode relative to that of the corresponding B0 decay is B(Bs0→D̄0K+K-)B(B0→D̄0K+K-)=(93.0±8.9±6.9)%. Using the known branching fraction of B0→D̄0π+π-, the values of B(B0→D̄0K+K-)=(6.1±0.4±0.3±0.3)×10-5 and B(Bs0→D̄0K+K-)=(5.7±0.5±0.4±0.5)×10-5 are obtained, where the third uncertainties arise from the branching fraction of the decay modes B0→D̄0π+π- and B0→D̄0K+K-, respectively.

AB - The first observation of the Bs0→D̄0K+K- decay is reported, together with the most precise branching fraction measurement of the mode B0→D̄0K+K-. The results are obtained from an analysis of pp collision data corresponding to an integrated luminosity of 3.0 fb-1. The data were collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction of the B0→D̄0K+K- decay is measured relative to that of the decay B0→D̄0π+π- to be B(B0→D̄0K+K-)B(B0→D̄0π+π-)=(6.9±0.4±0.3)%, where the first uncertainty is statistical and the second is systematic. The measured branching fraction of the Bs0→D̄0K+K- decay mode relative to that of the corresponding B0 decay is B(Bs0→D̄0K+K-)B(B0→D̄0K+K-)=(93.0±8.9±6.9)%. Using the known branching fraction of B0→D̄0π+π-, the values of B(B0→D̄0K+K-)=(6.1±0.4±0.3±0.3)×10-5 and B(Bs0→D̄0K+K-)=(5.7±0.5±0.4±0.5)×10-5 are obtained, where the third uncertainties arise from the branching fraction of the decay modes B0→D̄0π+π- and B0→D̄0K+K-, respectively.

UR - http://www.scopus.com/inward/record.url?scp=85056161460&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85056161460&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.98.072006

DO - 10.1103/PhysRevD.98.072006

M3 - Article

AN - SCOPUS:85056161460

SN - 2470-0010

VL - 98

SP - 1

EP - 19

JO - Physical Review D

JF - Physical Review D

IS - 7

M1 - 072006

ER -

Observation of the decay Bs0 → D ̄ 0K+K- OBSERVATION of the DECAY ... R. AAIJ et al.

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