Measurement of the branching fraction for B+- --> chi_c0 K+-
AUBERT B; BARATE R; BOUTIGNY D; GAILLARD JM; HICHEUR A; KARYOTAKIS Y; LEES JP; ROBBE P; TISSERAND V; ZGHICHE A; PALANO A; POMPILI A; CHEN JC; QI ND; RONG G; WANG P; ZHU YS; EIGEN G; OFTE I; STUGU B; ABRAMS GS; BORGLAND AW; BREON AB; BROWN DN; BUTTON SHAFER J; CAHN RN; CHARLES E; DAY CT; GILL MS; GRITSAN AV; GROYSMAN Y; JACOBSEN RG; KADEL RW; KADYK J; KERTH LT; KOLOMENSKY YG; KRAL JF; KUKARTSEV G; LECLERC C; LEVI ME; LYNCH G; MIR LM; ODDONE PJ; ORIMOTO TJ; PRIPSTEIN M; ROE NA; ROMOSAN A; RONAN MT; SHELKOV VG; TELNOV AV; WENZEL WA; FORD K; HARRISON TJ; HAWKES CM; KNOWLES DJ; MORGAN SE; PENNY RC; WATSON AT; WATSON NK; GOETZEN K; HELD T; KOCH H; LEWANDOWSKI B; PELIZAEUS M; PETERS K; SCHMUECKER H; STEINKE M; BARLOW NR; BOYD JT; CHEVALIER N; COTTINGHAM WN; KELLY MP; LATHAM TE; MACKAY C; WILSON FF; ABE K; CUHADAR DONSZELMANN T; HEARTY C; MATTISON TS; MCKENNA JA; THIESSEN D; KYBERD P; MCKEMEY AK; BLINOV VE; BUKIN AD; GOLUBEV VB; IVANCHENKO VN; KRAVCHENKO EA; ONUCHIN AP; SEREDNYAKOV SI; SKOVPEN YI; SOLODOV EP; YUSHKOV AN; BEST D; BRUINSMA M; CHAO M; KIRKBY D; LANKFORD AJ; MANDELKERN M; MOMMSEN RK; ROETHEL W; STOKER DP; BUCHANAN C; HARTFIEL BL; SHEN BC; DEL RE D; HADAVAND HK; HILL EJ; MACFARLANE DB; PAAR HP; RAHATLOU S; SHARMA V; BERRYHILL JW; CAMPAGNARI C; DAHMES B; KUZNETSOVA N; LEVY SL; LONG O; LU A; MAZUR MA; RICHMAN JD; VERKERKE W; BECK TW; BERINGER J; EISNER AM; HEUSCH CA; LOCKMAN WS; SCHALK T; SCHMITZ RE; SCHUMM BA; SEIDEN A; TURRI M; WALKOWIAK W; WILLIAMS DC; WILSON MG; ALBERT J; CHEN E; DUBOIS FELSMANN GP; DVORETSKII A; HITLIN DG; NARSKY I; PORTER FC; RYD A; SAMUEL A; YANG S; JAYATILLEKE S; MANCINELLI G; MEADOWS BT; SOKOLOFF MD; ABE T; BLANC F; BLOOM P; CHEN S; CLARK PJ; FORD WT; NAUENBERG U; OLIVAS A; RANKIN P; ROY J; SMITH JG; VAN HOEK WC; ZHANG L; HARTON JL; HU T; SOFFER A; TOKI WH; WILSON RJ; ZHANG J; ALTENBURG D; BRANDT T; BROSE J; COLBERG T; DICKOPP M; DUBITZKY RS; HAUKE A; LACKER HM; MALY E; MULLER PFEFFERKORN R; NOGOWSKI R; OTTO S; SCHUBERT J; SCHUBERT KR; SCHWIERZ R; SPAAN B; WILDEN L; BERNARD D; BONNEAUD GR; BROCHARD F; COHEN TANUGI J; GRENIER P; THIEBAUX C; VASILEIADIS G; VERDERI M; KHAN A; LAVIN D; MUHEIM F; PLAYFER S; SWAIN JE; ANDREOTTI M; AZZOLINI V;
Measurement of the branching fraction for B+- --> chi_c0 K+-
We present a measurement of the branching fraction of the decay B ±→χc0K± sample of 89×106 BB̄ pairs collected by the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. The χc0 meson is reconstructed through its two-body decays toπ+ π- and K+K-. We measure B(B± → χc0K±) ×Β(χ c0→π+π-) = [1.32-027 +0.28(stat)±0.26(syst)] × 10-6 and B(B ±→ χc0K±) × B(χc0 →K+K-) = [1.49 -0.34+0.36(stat) ±0.22(syst)] × 10 -6. Using the known values for the χc0 decays branching fractions, we combine these results to obtain Β(B ± →χc0K±) = (2.7±0.7)× 10-4.
Italy, Italy, Italy, Italy, Italy, United Kingdom, Italy, Italy
- University of Milan Italy
- University of Padua Italy
- Brunel University London United Kingdom
- University Federico II of Naples Italy
- Sapienza University of Rome Italy
CHARMONIUM, HEP; BaBar, STATE, DECAYS
CHARMONIUM, HEP; BaBar, STATE, DECAYS
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