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Evidence For Bsup Yields J Psi Pbarlambda And Search For Bsup 0yields J Psi Pbar P
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Book Synopsis Evidence for B[sup+][yields] J/[psi] P[bar[Lambda] and Search for B[sup 0][yields] J/[psi] P[bar P]. by :
Download or read book Evidence for B[sup+][yields] J/[psi] P[bar[Lambda] and Search for B[sup 0][yields] J/[psi] P[bar P]. written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We have performed a search for the decays B[sup+][yields] J/[psi]p[bar[Lambda]] and B[sup 0][yields] J/[psi]p[bar p] in a data set of (88.9[+-] 1.0) x 10[sup 6][Upsilon](4S) decays collected by the BABAR experiment at the PEP-II e[sup+]e[sup -] storage ring at the Stanford Linear Accelerator Center. Four charged B candidates have been observed with an expected background of 0.21[+-] 0.14 events. The corresponding branching fraction is (12[sub -6][sup+9] x 10[sup -6]), where statistical and systematic uncertainties have been combined. The result can be interpreted as a 90% confidence level (CL) upper limit of 26 x 10[sup -6]. We also find one B[sup 0] candidate, with an expected background of 0.64[+-] 0.17 events, implying a 90% CL upper limit of 1.9 x 10[sup -6].
Book Synopsis Evidence for B{sup +} {yields} J/{psi} P{bar {Lambda}} and Search for B{sup 0} {yields} J/{psi} P{bar P} by : Christopher Hearty
Download or read book Evidence for B{sup +} {yields} J/{psi} P{bar {Lambda}} and Search for B{sup 0} {yields} J/{psi} P{bar P} written by Christopher Hearty and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have performed a search for the decays B{sup +} {yields} J/{psi}p{bar {Lambda}} and B{sup 0} {yields} J/{psi}p{bar p} in a data set of (88.9 {+-} 1.0) x 10{sup 6} {Upsilon}(4S) decays collected by the BABAR experiment at the PEP-II e{sup +}e{sup -} storage ring at the Stanford Linear Accelerator Center. Four charged B candidates have been observed with an expected background of 0.21 {+-} 0.14 events. The corresponding branching fraction is (12{sub -6}{sup +9} x 10{sup -6}), where statistical and systematic uncertainties have been combined. The result can be interpreted as a 90% confidence level (CL) upper limit of 26 x 10{sup -6}. We also find one B{sup 0} candidate, with an expected background of 0.64 {+-} 0.17 events, implying a 90% CL upper limit of 1.9 x 10{sup -6}.
Book Synopsis Evidence for B 2!J/[psi] P{bar {Lambda}} and Search for B° 2!J/[psi] P{bar P} by :
Download or read book Evidence for B 2!J/[psi] P{bar {Lambda}} and Search for B° 2!J/[psi] P{bar P} written by and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have performed a search for the decays B 2!J/[psi]p{bar {Lambda}} and B° 2!J/[psi]p{bar p} in a data set of (88.9 ± 1.0) x 106 [Upsilon](4S) decays collected by the BABAR experiment at the PEP-II ee− storage ring at the Stanford Linear Accelerator Center. Four charged B candidates have been observed with an expected background of 0.21 ± 0.14 events. The corresponding branching fraction is (12−6{sup +9} x 10−6), where statistical and systematic uncertainties have been combined. The result can be interpreted as a 90% confidence level (CL) upper limit of 26 x 10−6. We also find one B° candidate, with an expected background of 0.64 ± 0.17 events, implying a 90% CL upper limit of 1.9 x 10−6.
Book Synopsis Rare B Decays to States Containing a J/psi by :
Download or read book Rare B Decays to States Containing a J/psi written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report preliminary measurements of the branching fractions for B[sup +] [yields] J/[psi][phi]K[sup +], B[sup 0] [yields] J/[psi][phi]K[sub S][sup 0], B[sup 0] [yields] J/[psi][phi], B[sup 0] [yields] J/[psi][eta] and B[sup 0] [yields] J/[psi][eta][prime] using 56 million B[bar B] events collected at the [Upsilon](4S) resonance with the BABAR detector at PEP-II. They measure branching fractions of [Beta](B[sup +] [yields] J/[psi][phi]K[sup +]) = (4.4 [+-] 1.4(stat) [+-] 0.7(syst)) x 10[sup -5] and [Beta](B[sup 0] [yields] J/[psi][phi]K[sub S][sup 0]) = (5.1 [+-] 1.9(stat) [+-] 0.9(syst)) x 10[sup -5], and set upper limits at 90% C.L. for branching fractions [Beta](B[sup 0] [yields] J/[psi][phi])
Book Synopsis Evidence of High Densities from J/psi Suppression by :
Download or read book Evidence of High Densities from J/psi Suppression written by and published by . This book was released on 1993 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kul'tura Turkmenii v srednie veka by :
Download or read book Kul'tura Turkmenii v srednie veka written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: