首页|Study of $B_{(s)}^0 \to K_{\rm S}^0 h^{+} h^{\prime -}$ decays with first observation of $B_{s}^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp}$ and $B_{s}^0 \to K_{\rm S}^0 \pi^{+} \pi^{-}$

Study of $B_{(s)}^0 \to K_{\rm S}^0 h^{+} h^{\prime -}$ decays with first observation of $B_{s}^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp}$ and $B_{s}^0 \to K_{\rm S}^0 \pi^{+} \pi^{-}$

来源：

Arxiv

英文摘要

A search for charmless three-body decays of $B^0$ and $B_{s}^0$ mesons with a $K_{\rm S}^0$ meson in the final state is performed using the $pp$ collision data, corresponding to an integrated luminosity of $1.0\,\mbox{fb}^{-1}$, collected at a centre-of-mass energy of $7\mathrm{\,Te\kern -0.1em V}$ recorded by the LHCb experiment. Branching fractions of the $B_{(s)}^0 \to K_{\rm S}^0 h^{+} h^{\prime -}$ decay modes ($h^{(\prime)} = \pi, K$), relative to the well measured $B^0 \to K_{\rm S}^0 \pi^{+} \pi^{-}$ decay, are obtained. First observation of the decay modes $B_s^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp}$ and $B_s^0 \to K_{\rm S}^0 \pi^{+} \pi^{-}$ and confirmation of the decay $B^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp}$ are reported. The following relative branching fraction measurements or limits are obtained \begin{eqnarray*} \nonumber \frac{{\cal B}(B^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp})}{{\cal B}(B^0 \to K_{\rm S}^0 \pi^{+} \pi^{-})} &=& 0.128 \pm 0.017 \, ({\rm stat.}) \pm 0.009 \, ({\rm syst.}) \,, \\ \nonumber \frac{{\cal B}(B^0 \to K_{\rm S}^0 K^{+} K^{-} )}{{\cal B}(B^0 \to K_{\rm S}^0 \pi^{+} \pi^{-})} &=& 0.385 \pm 0.031 \, ({\rm stat.}) \pm 0.023 \, ({\rm syst.}) \,, \\ \nonumber \frac{{\cal B}(B_s^0 \to K_{\rm S}^0 \pi^{+} \pi^{-} )}{{\cal B}(B^0 \to K_{\rm S}^0 \pi^{+} \pi^{-})} &=& 0.29\phantom{0} \pm 0.06\phantom{0} \, ({\rm stat.}) \pm 0.03\phantom{0} \, ({\rm syst.}) \pm 0.02 \, (f_s/f_d) \,, \\ \nonumber \frac{{\cal B}(B_s^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp})}{{\cal B}(B^0 \to K_{\rm S}^0 \pi^{+} \pi^{-})} &=& 1.48\phantom{0} \pm 0.12\phantom{0} \, ({\rm stat.}) \pm 0.08\phantom{0} \, ({\rm syst.}) \pm 0.12 \, (f_s/f_d) \,, \\ \nonumber \frac{{\cal B}(B_s^0 \to K_{\rm S}^0 K^{+} K^{-} )}{{\cal B}(B^0 \to K_{\rm S}^0 \pi^{+} \pi^{-})} &\in& [0.004;0.068] \; {\rm at \;\; 90\% \; CL} \,. \end{eqnarray*}

作者：E. Aslanides、M. S. Rangel、M. Savrie、J. McCarthy、C. Hadjivasiliou、M. Kaballo、F. Kruse、P. Ilten、V. Romanovsky、W. C. Zhang、M. Sannino、M. Cattaneo、A. Satta、B. Popovici、M. Baalouch、U. Marconi、F. Stagni、P. Szczypka、P. De Simone、M. Pappagallo、C. Potterat、T. Kvaratskheliya、I. Nasteva、A. Dzyuba、N. D¨|l¨|age、X. Yuan、V. Tisserand、R. Schwemmer、T. Nakada、O. Leroy、M. Witek、D. Popov、S. Topp-Joergensen、A. Bursche、F. Machefert、R. Bernet、A. Artamonov、L. Garrido、J. Harrison、P. David、P. Hunt、A. Keune、S. Malde、H. Lu、P. Henrard、M. Kreps、B. Muryn、I. Burducea、M. Nicol、D. Martins Tostes、J. Benton、Y. Shcheglov、J. Albrecht、C. Santamarina Rios、L. Li Gioi、C. Nguyen-Mau、I. Sepp、G. Alkhazov、M. Calvi、C. Langenbruch、F. Ruffini、I. V. Machikhiliyan、E. Cogneras、M. Tobin、R. Lindner、S. Stevenson、J. Buytaert、P. Robbe、M. Palutan、M. Charles、S. Tourneur、G. Ciezarek、A. Kozlinskiy、M. Britsch、Z. Ajaltouni、G. Manca、F. Polci、M. Williams、J. van Leerdam、V. Iakovenko、S. Leo、M. Seco、F. Zhang、A. Tsaregorodtsev、D. A. Roberts、A. Pazos Alvarez、M. Meissner、M. Patel、M. Shapkin、M. Hess、D. Savrina、R. Young、O. Aquines Gutierrez、B. Sciascia、G. Casse、R. McNulty、C. Coca、M. J. Morello、J. Rouvinet、B. Meadows、J. Smith、R. Graciani Diaz、O. Maev、A. Mord¨¤、S. Stahl、W. Baldini、V. Fernandez Albor、R. B. Appleby、D. Urner、V. Kudryavtsev、N. Harnew、M. Sapunov、C. Bozzi、S. Bifani、P. Seyfert、M. Grabalosa G¨￠ndara、K. Kurek、M. Martinelli、E. Cowie、B. Khanji、F. Bedeschi、D. A. Roa Romero、B. K. Pal、F. Archilli、D. van Eijk、H. Luo、D. Lacarrere、D. Moran、S. Oggero、V. Pugatch、O. Okhrimenko、R. Lef¨¨vre、D. Voong、J. E. Andrews、M. Artuso、D. Ferguson、S. Kandybei、C. Thomas、B. McSkelly、S. Eidelman、F. Blanc、E. Gersabeck、A. Leflat、C. Matteuzzi、V. Bocci、A. Puig Navarro、H. Ruiz、S. Ogilvy、W. Barter、T. Shears、S. Gregson、P. Sail、B. Rakotomiaramanana、Ph. Charpentier、B. Souza De Paula、Y. Gao、R. Oldeman、C. Hombach、M. Orlandea、A. Berezhnoy、F. Fontanelli、S. Ricciardi、A. Davis、C. Adrover、C. Satriano、K. Belous、M. Merk、D. Websdale、A. Di Canto、A. Bien、R. Forty、M. Frosini、I. Shapoval、A. Gomes、N. Chiapolini、E. Greening、F. Soomro、G. Lafferty、R. Santacesaria、V. Vorobyev、K. De Bruyn、M. Tresch、F. Dordei、M. Calvo Gomez、J. J. Back、T. Palczewski、G. Bencivenni、N. Serra、A. Popov、A. McNab、R. Cardinale、E. Smith、S. Swientek、M. Perrin-Terrin、G. A. Cowan、E. Bowen、C. Frei、W. Kanso、R. Currie、R. J. Barlow、Y. Amhis、E. Tournefier、E. Jans、J. Luisier、P. Gorbounov、V. Obraztsov、J. J. Saborido Silva、S. Tolk、P. Alvarez Cartelle、C. Baesso、P. M. Bj?rnstad、I. Komarov、C. Gotti、F. J. P. Soler、Y. Xie、L. Zhong、P. Rodriguez Perez、A. Dosil Su¨￠rez、B. Viaud、M. Zangoli、T. Britton、A. Hicheur、A. Golutvin、C. Wallace、S. Wright、E. Ben-Haim、P. Morawski、S. Borghi、M. Korolev、M. Straticiuc、C. Gaspar、P. Collins、J. Wicht、J. A. Hernando Morata、L. Del Buono、D. Golubkov、F. F. Wilson、S. Redford、S. T. Harnew、V. N. La Thi、A. Falabella、I. Raniuk、M. Needham、A. Oyanguren、S. Hall、E. van Herwijnen、F. Jing、W. Bonivento、M. Clemencic、F. Muheim、M. Hoballah、S. Amerio、D. Lucchesi、G. Wilkinson、C. Lazzeroni、T. Blake、U. Uwer、O. Francisco、O. Shevchenko、R. Muresan、L. Shekhtman、D. R. Ward、D. A. Milanes、M. Sirendi、J. Wishahi、V. Heijne、C. Pavel-Nicorescu、F. Teubert、C. Joram、B. Leverington、R. Niet、T. Ketel、J. Garofoli、D. Johnson、D. Souza、A. A. Alves Jr、Ch. Elsasser、R. Aaij、S. C. Haines、M. Schmelling、P. Gandini、G. Raven、J. Wimberley、M. P. Williams、B. Gui、D. Hynds、P. Spradlin、S. Farry、J. H. Lopes、D. Vieira、N. K. Watson、D. Galli、F. Alessio、D. Derkach、R. Andreassen、Y. Li、O. Deschamps、S. T'Jampens、A. Jaeger、M. John、J. Anderson、M. Gersabeck、S. Wandernoth、U. Straumann、A. D. Webber、P. Perret、M. Van Dijk、S. Cunliffe、P. Naik、C. F?rber、P. Marino、S. Bachmann、J. M. Otalora Goicochea、M. Zavertyaev、R. Matev、LHCb collaboration、T. Skwarnicki、G. Graziani、T. D. Nguyen、S. Blusk、J. -P. Lees、G. N. Patrick、A. Zhokhov、C. J. Parkinson、M. Whitehead、H. Carranza-Mejia、S. Stone、Ph. Ghez、F. Ferreira Rodrigues、J. Marks、B. Schmidt、M. Liles、M. Gandelman、J. Wang、E. Thomas、J. Panman、P. Campana、E. Teodorescu、M. Vesterinen、C. Fitzpatrick、S. Cadeddu、G. Mancinelli、A. Ukleja、J. Bressieux、J. Maratas、M. D. Sokoloff、G. Valenti、T. Bird、D. Decamp、L. A. Granado Cardoso、M. Deckenhoff、I. R. Kenyon、G. Passaleva、A. Comerma-Montells、C. Barschel、F. Dettori、A. Romero Vidal、C. G?bel、A. Dziurda、H. V. Cliff、S. Ali、R. Cenci、D. Hill、T. Hampson、H. Schindler、V. V. Gligorov、L. De Paula、Y. Zhang、O. Steinkamp、A. Zhelezov、C. R. Jones、A. Carbone、P. N. Y. David、L. Anderlini、M. Smith、N. Skidmore、A. Shires、G. Veneziano、T. Gys、H. Dijkstra、H. Brown、C. V¨￠zquez Sierra、P. Vazquez Regueiro、A. Powell、I. Bediaga、U. Egede、M. De Cian、D. Lambert、T. Brambach、K. Senderowska、A. Ustyuzhanin、T. Head、J. Lefran?ois、B. Pietrzyk、T. Lesiak、M. Coombes、I. Belyaev、R. Ekelhof、N. Nikitin、J. van den Brand、G. Corti、G. Martellotti、I. Mous、D. Brett、T. Pila?、A. Schopper、P. Griffith、R. Mountain、P. Koppenburg、P. E. L. Clarke、J. M. De Miranda、A. Phan、S. Amato、G. Auriemma、U. Eitschberger、T. J. V. Bowcock、A. Affolder、M. Dogaru、I. El Rifai、O. Callot、P. Krokovny、H. Gordon、M. M. Reid、P. Chen、A. Bondar、J. Molina Rodriguez、S. Barsuk、A. Petrolini、S. Filippov、A. Sparkes、N. Torr、M. Veltri、R. Waldi、A. Cardini、D. Hutchcroft、M. Teklishyn、C. Haen、J. Closier、A. D. Nguyen、M. Ubeda Garcia、E. Maurice、C. Parkes、K. Carvalho Akiba、G. Krocker、L. Wiggers、L. Kravchuk、R. Vazquez Gomez、V. Balagura、A. Vollhardt、R. Le Gac、B. Hamilton、A. Gallas Torreira、H. Voss、N. Neufeld、J. Beddow、R. Wallace、J. H. Rademacker、O. Yushchenko、N. Sagidova、M. Schiller、D. Dossett、A. P¨|rez-Calero Yzquierdo、J. Cogan、G. Lanfranchi、K. Hennessy、P. Tsopelas、T. Huse、O. Schneider、G. Punzi、D. Campora Perez、S. Benson、S. Easo、S. Wu、B. Storaci、A. Zvyagin、A. Bizzeti、P. Garosi、J. Garra Tico、K. Petridis、A. Oblakowska-Mucha、W. Hulsbergen、Ch. Cauet、G. Penso、E. Perez Trigo、B. Jost、M. Plo Casasus、N. Lopez-March、B. Spaan、A. Palano、D. Wiedner、D. Martinez Santos、A. Borgia、B. Saitta、A. Dovbnya、Yu. Guz、M. Pepe Altarelli、S. Neubert、M. -N. Minard、F. Meier、M. Ferro-Luzzi、G. D. Patel、A. Sciubba、V. Vagnoni、D. C. Craik、D. Volyanskyy、S. Hansmann-Menzemer、L. Pescatore、K. Rinnert、G. Fardell、E. Rodrigues、A. Papanestis、E. Graug¨|s、P. Schaack、V. Syropoulos、L. Giubega、W. Qian、R. Dzhelyadin、C. Prouve、E. Furfaro、A. Pritchard、A. Poluektov、D. Pinci、S. Roiser、W. De Silva、B. Liu、N. Hussain、N. A. Smith、E. Picatoste Olloqui、C. Patrignani、G. Liu、S. Donleavy、A. Vallier、S. Eisenhardt、M. T. Tran、F. Maciuc、J. van Tilburg、R. M?rki、E. Polycarpo、T. Latham、E. Gushchin、S. Monteil、M. -O. Bettler、C. Farinelli、A. Novoselov、L. Eklund、R. Gauld、S. A. Wotton、G. Haefeli、S. Coquereau、A. Sarti、S. Furcas、M. -H. Schune、V. Egorychev、X. Cid Vidal、A. Mart¨an S¨￠nchez、C. Linn、T. Gershon、S. De Capua、Z. Mathe、M. Szczekowski、I. Longstaff、L. Zhang、T. Ruf、G. Sabatino、M. van Beuzekom、J. Prisciandaro、M. Schlupp、A. Bay、L. Carson、A. Cook、V. Rives Molina、R. W. Lambert、G. Carboni、M. Chrzaszcz、K. Kreplin、A. Nomerotski、E. Pesen、L. Sun、I. De Bonis、A. Camboni、W. Wislicki、R. Jacobsson、V. Gibson、A. Martens、M. Adinolfi、P. Owen、S. Belogurov、M. Frank、J. He、P. Hopchev、J. Blouw、E. Santovetti、O. Kochebina、T. M. Karbach、G. Busetto、M. Kucharczyk、T. Szumlak、N. Tuning、J. J. Velthuis、D. Tonelli、S. Perazzini、S. Vecchi、X. Vilasis-Cardona、N. Rauschmayr、P. Ruiz Valls、A. Martynov、P. Jaton、J. Serrano、P. Shatalov、B. Adeva、Z. Yang、V. Coco、M. Alexander、A. Pellegrino、G. Polok、M. Karacson、N. Bondar、M. Fiore、A. Grecu、A. Lai、F. Dupertuis、A. Semennikov、R. Nandakumar、M. Idzik、P. Durante、K. M¨1ller、Th. Bauer、K. Wyllie、O. Gr¨1nberg、B. Sanmartin Sedes、B. Couturier、M. Fontana、B. Muster、S. Stoica、L. Castillo Garcia、A. Contu、A. Massafferri、C. Vo?、T. Hartmann、A. Jawahery、R. F. Koopman、Z. Xing、S. Lohn、A. Mazurov、N. H. Brook、K. Ciba、R. Silva Coutinho、A. Vorobyev、C. D'Ambrosio、E. Lanciotti、V. Shevchenko、V. Salustino Guimaraes、T. Nikodem、V. Niess、A. C. dos Reis、A. Richards、S. Playfer、V. K. Subbiah、J. Wiechczynski、E. Hicks

作者单位：

DOI：10.1007/JHEP10(2013)143

学科分类：物理学

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Frosini,I. Shapoval,A. Gomes,N. Chiapolini,E. Greening,F. Soomro,G. Lafferty,R. Santacesaria,V. Vorobyev,K. De Bruyn,M. Tresch,F. Dordei,M. Calvo Gomez,J. J. Back,T. Palczewski,G. Bencivenni,N. Serra,A. Popov,A. McNab,R. Cardinale,E. Smith,S. Swientek,M. Perrin-Terrin,G. A. Cowan,E. Bowen,C. Frei,W. Kanso,R. Currie,R. J. Barlow,Y. Amhis,E. Tournefier,E. Jans,J. Luisier,P. Gorbounov,V. Obraztsov,J. J. Saborido Silva,S. Tolk,P. Alvarez Cartelle,C. Baesso,P. M. Bj?rnstad,I. Komarov,C. Gotti,F. J. P. Soler,Y. Xie,L. Zhong,P. Rodriguez Perez,A. Dosil Su¨￠rez,B. Viaud,M. Zangoli,T. Britton,A. Hicheur,A. Golutvin,C. Wallace,S. Wright,E. Ben-Haim,P. Morawski,S. Borghi,M. Korolev,M. Straticiuc,C. Gaspar,P. Collins,J. Wicht,J. A. Hernando Morata,L. Del Buono,D. Golubkov,F. F. Wilson,S. Redford,S. T. Harnew,V. N. La Thi,A. Falabella,I. Raniuk,M. Needham,A. Oyanguren,S. Hall,E. van Herwijnen,F. Jing,W. Bonivento,M. Clemencic,F. Muheim,M. Hoballah,S. Amerio,D. Lucchesi,G. Wilkinson,C. Lazzeroni,T. Blake,U. Uwer,O. Francisco,O. Shevchenko,R. Muresan,L. Shekhtman,D. R. Ward,D. A. Milanes,M. Sirendi,J. Wishahi,V. Heijne,C. Pavel-Nicorescu,F. Teubert,C. Joram,B. Leverington,R. Niet,T. Ketel,J. Garofoli,D. Johnson,D. Souza,A. A. Alves Jr,Ch. Elsasser,R. Aaij,S. C. Haines,M. Schmelling,P. Gandini,G. Raven,J. Wimberley,M. P. Williams,B. Gui,D. Hynds,P. Spradlin,S. Farry,J. H. Lopes,D. Vieira,N. K. Watson,D. Galli,F. Alessio,D. Derkach,R. Andreassen,Y. Li,O. Deschamps,S. T'Jampens,A. Jaeger,M. John,J. Anderson,M. Gersabeck,S. Wandernoth,U. Straumann,A. D. Webber,P. Perret,M. Van Dijk,S. Cunliffe,P. Naik,C. F?rber,P. Marino,S. Bachmann,J. M. Otalora Goicochea,M. Zavertyaev,R. Matev,LHCb collaboration,T. Skwarnicki,G. Graziani,T. D. Nguyen,S. Blusk,J. -P. Lees,G. N. Patrick,A. Zhokhov,C. J. Parkinson,M. Whitehead,H. Carranza-Mejia,S. Stone,Ph. Ghez,F. Ferreira Rodrigues,J. Marks,B. Schmidt,M. Liles,M. Gandelman,J. Wang,E. Thomas,J. Panman,P. Campana,E. Teodorescu,M. Vesterinen,C. 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Hicks.Study of $B_{(s)}^0 \to K_{\rm S}^0 h^{+} h^{\prime -}$ decays with first observation of $B_{s}^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp}$ and $B_{s}^0 \to K_{\rm S}^0 \pi^{+} \pi^{-}$[EB/OL].(2013-07-29)[2025-08-02].https://arxiv.org/abs/1307.7648.点此复制

Study of $B_{(s)}^0 \to K_{\rm S}^0 h^{+} h^{\prime -}$ decays with first observation of $B_{s}^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp}$ and $B_{s}^0 \to K_{\rm S}^0 \pi^{+} \pi^{-}$

Study of $B_{(s)}^0 \to K_{\rm S}^0 h^{+} h^{\prime -}$ decays with first observation of $B_{s}^0 \to K_{\rm S}^0 K^{\pm} \pi^{\mp}$ and $B_{s}^0 \to K_{\rm S}^0 \pi^{+} \pi^{-}$

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