Observation of Bs0 → D ̄ ∗0φ and search for B0 → D ̄ 0φ decays OBSERVATION of Bs0 → D ̄ ∗0φ and ... R. AAIJ et al.

LHCb Collaboration

doi:10.1103/PhysRevD.98.071103

Observation of Bs0 → D ̄ ∗0φ and search for B0 → D ̄ 0φ decays OBSERVATION of Bs0 → D ̄ ∗0φ and ... R. AAIJ et al.

LHCb Collaboration

(Astro)-Particles Physics

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

Abstract

The first observation of the Bs0→D̄∗0φ decay is reported, with a significance of more than seven standard deviations, from an analysis of pp collision data corresponding to an integrated luminosity of 3 fb-1, collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction is measured relative to that of the topologically similar decay B0→D̄0π+π- and is found to be B(Bs0→D̄∗0φ)=(3.7±0.5±0.3±0.2)×10-5, where the first uncertainty is statistical, the second systematic, and the third from the branching fraction of the B0→D̄0π+π- decay. The fraction of longitudinal polarization in this decay is measured to be fL=(73±15±4)%. The most precise determination of the branching fraction for the Bs0→D̄0φ decay is also obtained, B(Bs0→D̄0φ)=(3.0±0.3±0.2±0.2)×10-5. An upper limit, B(B0→D̄0φ)<2.0 (2.3)×10-6 at 90% (95%) confidence level is set. A constraint on the ω-φ mixing angle δ is set at |δ|<5.2° (5.5°) at 90% (95%) confidence level.

Original language	English
Article number	071103
Pages (from-to)	1-10
Number of pages	10
Journal	Physical Review D
Volume	98
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.98.071103
Publication status	Published - 1 Oct 2018

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@article{b83040f9f2584a3e956d9cb5b3551623,

title = "Observation of Bs0 → D{\= } ∗0φ and search for B0 → D{\= } 0φ decays OBSERVATION of Bs0 → D{\= } ∗0φ and ... R. AAIJ et al.",

abstract = "The first observation of the Bs0→{\=D}∗0φ decay is reported, with a significance of more than seven standard deviations, from an analysis of pp collision data corresponding to an integrated luminosity of 3 fb-1, collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction is measured relative to that of the topologically similar decay B0→{\=D}0π+π- and is found to be B(Bs0→{\=D}∗0φ)=(3.7±0.5±0.3±0.2)×10-5, where the first uncertainty is statistical, the second systematic, and the third from the branching fraction of the B0→{\=D}0π+π- decay. The fraction of longitudinal polarization in this decay is measured to be fL=(73±15±4)%. The most precise determination of the branching fraction for the Bs0→{\=D}0φ decay is also obtained, B(Bs0→{\=D}0φ)=(3.0±0.3±0.2±0.2)×10-5. An upper limit, B(B0→{\=D}0φ)<2.0 (2.3)×10-6 at 90% (95%) confidence level is set. A constraint on the ω-φ mixing angle δ is set at |δ|<5.2° (5.5°) at 90% (95%) confidence level.",

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. Decamp and {Del Buono}, L. and B. Delaney and Dembinski, {H. P.} and M. Demmer and A. Dendek and D. Derkach and O. Deschamps 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 {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 L. Eklund and S. Ely and A. Ene and S. Escher and S. Esen and Evans, {H. M.} and T. Evans and A. Falabella and N. Farley and S. Farry and D. Fazzini and L. Federici and G. Fernandez and {Fernandez Declara}, P. and {Fernandez Prieto}, A. and F. Ferrari and {Ferreira Lopes}, L. and {Ferreira Rodrigues}, F. and M. Ferro-Luzzi and S. Filippov and Fini, {R. A.} and M. Fiorini and M. Firlej and C. Fitzpatrick and T. 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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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Rodrigues and {Rodriguez Lopez}, {J. A.} and A. Rogozhnikov and S. Roiser and A. Rollings and V. Romanovskiy and {Romero Vidal}, A. and M. Rotondo and Rudolph, {M. S.} and T. Ruf and {Ruiz Vidal}, J. and {Saborido Silva}, {J. J.} and N. Sagidova and B. Saitta and {Salustino Guimaraes}, V. and {Sanchez Gras}, C. and {Sanchez Mayordomo}, C. and {Sanmartin Sedes}, B. and R. Santacesaria and {Santamarina Rios}, C. and M. Santimaria and E. Santovetti and G. Sarpis and A. Sarti and C. Satriano and A. Satta and M. Saur and D. Savrina and S. Schael and M. Schellenberg and M. Schiller and H. Schindler and M. Schmelling and T. Schmelzer and B. Schmidt and O. Schneider and A. Schopper and Schreiner, {H. F.} and M. Schubiger and Schune, {M. H.} and R. Schwemmer and B. Sciascia and A. Sciubba and A. Semennikov and Sepulveda, {E. S.} and A. Sergi and N. Serra and J. Serrano and L. Sestini and P. Seyfert and M. Shapkin and Y. Shcheglov and T. Shears and L. Shekhtman and V. Shevchenko and E. 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T.} and A. Trisovic and A. Tsaregorodtsev and A. Tully and N. Tuning and A. Ukleja and A. Usachov and A. Ustyuzhanin and U. Uwer and C. Vacca and A. Vagner and V. Vagnoni and A. Valassi and S. Valat and G. Valenti and {Vazquez Gomez}, R. and {Vazquez Regueiro}, P. and S. Vecchi and {Van Veghel}, M. and Velthuis, {J. J.} and M. Veltri and G. Veneziano and A. Venkateswaran and Verlage, {T. A.} and M. Vernet 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 B. Voneki and A. Vorobyev and V. Vorobyev and C. Vo{\ss} and {De Vries}, {J. A.} and {V{\'a}zquez Sierra}, C. and R. Waldi and J. Walsh 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 M. Whitehead and J. Wicht and G. Wilkinson and M. Wilkinson and Williams, {M. R.J.} and M. Williams and T. 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year = "2018",

month = oct,

day = "1",

doi = "10.1103/PhysRevD.98.071103",

language = "English",

volume = "98",

pages = "1--10",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "7",

}

TY - JOUR

T1 - Observation of Bs0 → D ̄ ∗0φ and search for B0 → D ̄ 0φ decays OBSERVATION of Bs0 → D ̄ ∗0φ and ... 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.

AU - Dalseno, J.

AU - Danilina, A.

AU - Davis, A.

AU - De Aguiar Francisco, O.

AU - De Bruyn, K.

AU - De Capua, S.

AU - De Cian, M.

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AU - Zonneveld, J. B.

AU - Zucchelli, S.

AU - LHCb Collaboration

PY - 2018/10/1

Y1 - 2018/10/1

N2 - The first observation of the Bs0→D̄∗0φ decay is reported, with a significance of more than seven standard deviations, from an analysis of pp collision data corresponding to an integrated luminosity of 3 fb-1, collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction is measured relative to that of the topologically similar decay B0→D̄0π+π- and is found to be B(Bs0→D̄∗0φ)=(3.7±0.5±0.3±0.2)×10-5, where the first uncertainty is statistical, the second systematic, and the third from the branching fraction of the B0→D̄0π+π- decay. The fraction of longitudinal polarization in this decay is measured to be fL=(73±15±4)%. The most precise determination of the branching fraction for the Bs0→D̄0φ decay is also obtained, B(Bs0→D̄0φ)=(3.0±0.3±0.2±0.2)×10-5. An upper limit, B(B0→D̄0φ)<2.0 (2.3)×10-6 at 90% (95%) confidence level is set. A constraint on the ω-φ mixing angle δ is set at |δ|<5.2° (5.5°) at 90% (95%) confidence level.

AB - The first observation of the Bs0→D̄∗0φ decay is reported, with a significance of more than seven standard deviations, from an analysis of pp collision data corresponding to an integrated luminosity of 3 fb-1, collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The branching fraction is measured relative to that of the topologically similar decay B0→D̄0π+π- and is found to be B(Bs0→D̄∗0φ)=(3.7±0.5±0.3±0.2)×10-5, where the first uncertainty is statistical, the second systematic, and the third from the branching fraction of the B0→D̄0π+π- decay. The fraction of longitudinal polarization in this decay is measured to be fL=(73±15±4)%. The most precise determination of the branching fraction for the Bs0→D̄0φ decay is also obtained, B(Bs0→D̄0φ)=(3.0±0.3±0.2±0.2)×10-5. An upper limit, B(B0→D̄0φ)<2.0 (2.3)×10-6 at 90% (95%) confidence level is set. A constraint on the ω-φ mixing angle δ is set at |δ|<5.2° (5.5°) at 90% (95%) confidence level.

UR - http://www.scopus.com/inward/record.url?scp=85056157945&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85056157945&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.98.071103

DO - 10.1103/PhysRevD.98.071103

M3 - Article

AN - SCOPUS:85056157945

SN - 2470-0010

VL - 98

SP - 1

EP - 10

JO - Physical Review D

JF - Physical Review D

IS - 7

M1 - 071103

ER -

Observation of Bs0 → D ̄ ∗0φ and search for B0 → D ̄ 0φ decays OBSERVATION of Bs0 → D ̄ ∗0φ and ... R. AAIJ et al.

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