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First observations of the Cabibbo-suppressed decays (B) over bar (0) -> D+K-pi(+)pi(-) and B- -> (DK-)-K-0 pi(+)pi(-) are reported using 35 pb(-1) of data collected with the LHCb detector. Their branching fractions are measured with respect to the corresponding Cabibbo-favored decays, from which we obtain B((B) over bar (0) -> D+K-pi(+)pi(-))/B((B) over bar (0) -> D+pi(-)pi(+)pi(-) = (5.9 +/- 1.1 +/- 0.5) x 10(-2) and B(B- -> (DK-)-K-0 pi(+)pi(-))/B(B- -> D-0 pi(-)pi(+)pi(-)) = (0.9 +/- 1.3 +/- 0.9) x 10(-2), where the uncertainties are statistical and systematic, respectively. The B- -> (DK-)-K-0 pi(+)pi(-) decay is particularly interesting, as it can be used in a similar way to B- -> (DK-)-K-0 to measure the Cabibbo-Kobayashi-Maskawa phase gamma.
First Observation of the Decays B¯0 → D+K-π+π- and B- → D0K-π+π- / R., A., C. A., B., B., A., M., A., C., A., A., A., Z., A., J., A., F., A., M., A., G., A., P. A., C., J. A., A., S., A., Y., A., J., A., R. B., A., O. A., G., F., A., L., A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 108:16(2012), pp. 161801-1-161801-8. [10.1103/PhysRevLett.108.161801]
First Observation of the Decays B¯0 → D+K-π+π- and B- → D0K-π+π-
R. Aaij;C. A. Beteta;B. Adeva;M. Adinolfi;C. Adrover;A. Affolder;Z. Ajaltouni;J. Albrecht;F. Alessio;M. Alexander;G. Alkhazov;P. A. Cartelle;J. A. A.;S. Amato;Y. Amhis;J. Anderson;R. B. Appleby;O. A. Gutierrez;F. Archilli;L. Arrabito;A. Artamonov;M. Artuso;E. Aslanides;G. Auriemma;S. Bachmann;J. J. Back;D. S. Bailey;V. Balagura;W. Baldini;R. J. Barlow;C. Barschel;S. Barsuk;W. Barter;A. Bates;C. Bauer;T. Bauer;A. Bay;I. Bediaga;S. Belogurov;K. Belous;I. Belyaev;E. Ben Haim;M. Benayoun;G. Bencivenni;S. Benson;J. Benton;R. Bernet;M. . . O.;M. v. Beuzekom;A. Bien;S. Bifani;T. Bird;BIZZETI, Andrea;P. M. Bjornstad;T. Blake;F. Blanc;C. Blanks;J. Blouw;S. Blusk;A. Bobrov;V. Bocci;A. Bondar;N. Bondar;W. Bonivento;S. Borghi;A. Borgia;T. J. V.;C. Bozzi;T. Brambach;J. v. den;J. Bressieux;D. Brett;M. Britsch;T. Britton;N. H. Brook;H. Brown;A. Buechler Germann;I. Burducea;A. Bursche;J. Buytaert;S. Cadeddu;O. Callot;M. Calvi;M. C. Gomez;A. Camboni;P. Campana;A. Carbone;G. Carboni;R. Cardinale;A. Cardini;L. Carson;K. C. Akiba;G. Casse;M. Cattaneo;C. Cauet;M. Charles;P. Charpentier;N. Chiapolini;K. Ciba;X. C. Vidal;G. Ciezarek;P. E. L.;M. Clemencic;H. V. Cliff;J. Closier;C. Coca;V. Coco;J. Cogan;P. Collins;A. Comerma Montells;F. Constantin;A. Contu;A. Cook;M. Coombes;G. Corti;G. A. Cowan;R. Currie;C. D'Ambrosio;P. David;P. N. Y.;I. D. Bonis;S. D. Capua;M. D. Cian;F. D. Lorenzi;J. M. De;L. D. Paula;P. D. Simone;D. Decamp;M. Deckenhoff;H. Degaudenzi;L. D. Buono;C. Deplano;D. Derkach;O. Deschamps;F. Dettori;J. Dickens;H. Dijkstra;P. D. Batista;F. D. Bonal;S. Donleavy;F. Dordei;A. D. Suarez;D. Dossett;A. Dovbnya;F. Dupertuis;R. Dzhelyadin;A. Dziurda;S. Easo;U. Egede;V. Egorychev;S. Eidelman;D. v. Eijk;F. Eisele;S. Eisenhardt;R. Ekelhof;L. Eklund;C. Elsasser;D. Elsby;D. E. Pereira;L. Esteve;A. Falabella;E. Fanchini;C. Faerber;G. Fardell;C. Farinelli;S. Farry;V. Fave;V. F. Albor;M. Ferro Luzzi;S. Filippov;C. Fitzpatrick;M. Fontana;F. Fontanelli;R. Forty;M. Frank;C. Frei;M. Frosini;S. 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Thomas;J. v. Tilburg;V. Tisserand;M. Tobin;S. Topp Joergensen;N. Torr;E. Tournefier;M. T. Tran;A. Tsaregorodtsev;N. Tuning;M. U. Garcia;A. Ukleja;P. Urquijo;U. Uwer;V. Vagnoni;G. Valenti;R. V. Gomez;P. V. Regueiro;S. Vecchi;J. J. Velthuis;M. Veltri;B. Viaud;I. Videau;X. Vilasis Cardona;J. Visniakov;A. Vollhardt;D. Volyanskyy;D. Voong;A. Vorobyev;H. Voss;S. Wandernoth;J. Wang;D. R. Ward;N. K. Watson;A. D. Webber;D. Websdale;M. Whitehead;D. Wiedner;L. Wiggers;G. Wilkinson;M. P. Williams;M. Williams;F. F. Wilson;J. Wishahi;M. Witek;W. Witzeling;S. A. Wotton;K. Wyllie;Y. Xie;F. Xing;Z. Xing;Z. Yang;R. Young;O. Yushchenko;M. Zavertyaev;F. Zhang;L. Zhang;W. C. Zhang;Y. Zhang;A. Zhelezov;L. Zhong;E. Zverev;A. Zvyagin
2012
Abstract
First observations of the Cabibbo-suppressed decays (B) over bar (0) -> D+K-pi(+)pi(-) and B- -> (DK-)-K-0 pi(+)pi(-) are reported using 35 pb(-1) of data collected with the LHCb detector. Their branching fractions are measured with respect to the corresponding Cabibbo-favored decays, from which we obtain B((B) over bar (0) -> D+K-pi(+)pi(-))/B((B) over bar (0) -> D+pi(-)pi(+)pi(-) = (5.9 +/- 1.1 +/- 0.5) x 10(-2) and B(B- -> (DK-)-K-0 pi(+)pi(-))/B(B- -> D-0 pi(-)pi(+)pi(-)) = (0.9 +/- 1.3 +/- 0.9) x 10(-2), where the uncertainties are statistical and systematic, respectively. The B- -> (DK-)-K-0 pi(+)pi(-) decay is particularly interesting, as it can be used in a similar way to B- -> (DK-)-K-0 to measure the Cabibbo-Kobayashi-Maskawa phase gamma.
First Observation of the Decays B¯0 → D+K-π+π- and B- → D0K-π+π- / R., A., C. A., B., B., A., M., A., C., A., A., A., Z., A., J., A., F., A., M., A., G., A., P. A., C., J. A., A., S., A., Y., A., J., A., R. B., A., O. A., G., F., A., L., A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 108:16(2012), pp. 161801-1-161801-8. [10.1103/PhysRevLett.108.161801]
R., Aaij; C. A., Beteta; B., Adeva; M., Adinolfi; C., Adrover; A., Affolder; Z., Ajaltouni; J., Albrecht; F., Alessio; M., Alexander; G., Alkhazov; P....espandi
Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/743700
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