Download or read book Search for B s rightarrow mu mu and B d rightarrow mu mu Decays with the Full CDF Run II Data Set written by and published by . This book was released on 2013 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Search for Bs Mu mu and Bd Mu mu Decays with 2fb 1 of Ppbar Collisions written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors have performed a search for B{sub s}° →??− and B° →?+?− decays in p{bar p} collisions at √s = 1.96 TeV using 2 fb−1 of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron Collider. The observed number of B{sub s}° and B° candidates is consistent with background expectations. The resulting upper limits on the branching fractions are?(B{sub s}° →?+?−)
Download or read book Search for B s D rightarrow mu mu Decays with 10 fb of p overline p Collisions written by and published by . This book was released on 2013 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for the rare decays of B$^0$$_s$→ [mu]+ [mu]- and B$^0$$_d$ → + [mu]+ [mu]- is presented in p$\bar{p}$ collisions at √s=1.96 TeV corresponding to 10 fb-1 of integrated luminosity collected by the CDF II detector. The observed number of B$^0$$_d$ candidates is consistent with background-only expectations and yields an upper limit on the branching fraction B(B$^0$$_d$ → [mu]+ [mu]-) of 4.2 x 10-9 at 95% confidence level. An excess is observed for the B0s signal region. The probability that background processes alone could produce such an excess or larger is 0.94%. The probability that the combination of background and the expected standard model rate B$^0$$_s$ → [mu]+ [mu]- could produce such an excess or larger is 6.8%. These data are used to determine a central value of B(B$^0$$_s$ → [mu]+ [mu]-) = (1:3+0.9 -0.7) 10-8 as well as a two sided limit at 90% C.L. of 2:2 10-9
Download or read book Search for the Rare Decay B s 0 to mu mu at written by and published by . This book was released on 2013 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Search for B0 s Mu Mu and B0 d Mu Mu Decays in P Anti p Collisions at S 1 2 written by D. Acosta and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report on a search for B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -} and B{sub d}{sup 0} {yields} {mu}{sup +}{mu}{sup -} decays in p{bar p} collisions at {radical}s = 1.96 TeV using 171 pb{sup -1} of data collected by the CDF II experiment at the Fermilab Tevatron Collider. The decay rates of these rare processes are sensitive to contributions from physics beyond the Standard Model. One event survives all the selection requirements, consistent with the background expectation. They derive branching ratio limits of {Beta}(B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -})
Download or read book CDF Results on written by and published by . This book was released on 2013 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Search for B0 sub sub 2 and B0 sub d sub 2 mu mu Decays in P Anti p Collisions with CDF II written by and published by . This book was released on 2005 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on a search for B0s → ?+ ?- and B0d → mu+mu- decays in p anti-p collisions at √s = 1.96 TeV using 364.4 pb -1 of data collected by the CDF II dectector at Fermilab Tevatron Collider. After applying all selection requirements, we observe no candidates inside the B0s or B0d mass windows. The resulting upper limits on the branching fractions are ?(B0s → ?+?-) 1.5 x 10sup-7/sup and ?(B0subd/sub → ?+?-) 3.9 x 10
Download or read book Search for Bs D Mu Mu Decays with 10 FB of Pp Collisions written by Walter Hopkins and published by . This book was released on 2013 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for the rare decays of B0 [RIGHTWARDS ARROW] [MICRO SIGN]+ [MICRO SIGN][-] and B0 [RIGHTWARDS ARROW] [MICRO SIGN]+ [MICRO SIGN][-] is presented in p p collis d [SQUARE ROOT] sions at s=1.96 TeV corresponding to 10 fb[-]1 of integrated luminosity collected by the CDF II detector. The observed number of B0 candidates is consistent with d background-only expectations and yields an upper limit on the branching fraction B(B0 [RIGHTWARDS ARROW] [MICRO SIGN]+ [MICRO SIGN][-]) of 4.2 x 10[-]9 at 95% confidence level. An excess is observed d for the B0 signal region. The probability that background processes alone could s produce such an excess or larger is 0.94%. The probability that the combination of background and the expected standard model rate B0 [RIGHTWARDS ARROW] [MICRO SIGN]+ [MICRO SIGN][-] could produce s such an excess or larger is 6.8%. These data are used to determine a central value of B(B0 [RIGHTWARDS ARROW] [MICRO SIGN]+ [MICRO SIGN][-]) = (1.3+0.9) x 10[-]8 as well as a two sided limit at 90% C.L. s [-]0 7 of 2.2 x 10[-]9
Download or read book Search for B s to mu mu and B d to mu mu Decays with CDF II written by and published by . This book was released on 2011 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search has been performed for B{sub s}° →??− and B° →?+?− decays using 7 fb−1 of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron collider. The observed number of B° candidates is consistent with background-only expectations and yields an upper limit on the branching fraction of?(B° →?+?−)
Download or read book Rare Charm and B Decays at CDF written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present results on rare charm and B decays using 65pb[sup -1] of data taken with the CDF detector in Run II. Three results are discussed, a measurement of the relative branching ratios[Lambda](D[sup 0][yields] K[sup+]K[sup -])/[Lambda](D[sup 0][yields] K[pi]) and[Lambda](D[sup 0][yields][pi][sup+][pi][sup -])/[Lambda](D[sup 0][yields] K[pi]) and the direct CP-violating decay rate asymmetry, and a limit on the branching ratio of the FCNC decay D[sup 0][yields][mu][sup+][mu][sup -]. We also discuss the prospects for the search for B[sub s][sup 0][yields][mu][sup+][mu][sup -] decays.
Download or read book Rare B Decays and Time Dependent Mixing at CDF written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report recent results on rare B decays searches -- specifically, the decay modes B[sup 0][yields][mu][sup+][mu][sup[minus]], B[sup 0][yields][mu][sup+][mu][sup[minus]]K[sup 0*], and B[sup[plus-minus]][yields][mu][sup+][mu][sup[minus]]K[sup[plus-minus]] -- from the CDF collaboration using data from the 1992--1993 run of the Tevatron collider. In addition, we present the first CDF measurement of time dependent B[sup 0][minus][bar B][sup 0] mixing.
Download or read book Rare Charm and B Decays at CDF written by Julia Thom and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present results on rare charm and B decays using 65pb{sup -1} of data taken with the CDF detector in Run II. Three results are discussed, a measurement of the relative branching ratios {Lambda}(D{sup 0} {yields} K{sup +}K{sup -})/{Lambda}(D{sup 0} {yields} K{pi}) and {Lambda}(D{sup 0} {yields} {pi}{sup +}{pi}{sup -})/{Lambda}(D{sup 0} {yields} K{pi}) and the direct CP-violating decay rate asymmetry, and a limit on the branching ratio of the FCNC decay D{sup 0} {yields} {mu}{sup +}{mu}{sup -}. We also discuss the prospects for the search for B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -} decays.
Download or read book Searches for FCNC Decays B S D Mu Mu written by Matthew Herndon and published by . This book was released on 2004 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report on a search for B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -} and B{sub d}{sup 0} {yields} {mu}{sup +}{mu}{sup -} decays in p{bar p} collisions at {radical}s = 1.96 TeV using 171 pb{sup -1} and 240 pb{sup -1} of data collected respectively by the CDF and D0 experiments at the Fermilab Tevatron Collider. The decay rates of these rare processes are sensitive to contributions from physics beyond the Standard Model. The results from the two experiments are a combined branching fraction limit of {Beta}(B{sub s}{sup 0} {yields} {mu}{sup +}{mu}{sup -})
Download or read book Limits on Rare B Decays B yields mu sup mu sup minus K sup and B yields mu sup mu sup minus K sup 0 written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report on a search for flavor-changing neutral current decays of B mesons B[yields][mu][sup+][mu][sup[minus]]K[sup[+-]] and B[yields][mu][sup+][mu][sup[minus]]K*[sup 0] using data obtained in the Collider Detector at Fermilab (CDF) 1992--1993 data taking run. To reduce the amount of background in the data the authors use precise tracking information from the CDF silicon vertex detector to pinpoint the location of the decay vertex of the B candidate, and accept only events which have a large decay time. They compare this data to a B meson signal obtained in a similar fashion, but where the muon pairs originate from[psi] decays, and calculate the relative branching ratios. In absence of any indication of flavor-changing neutral current decays they set an upper limits of BR(B[yields][mu][sup+][mu][sup[minus]]K[sup[+-]])
Download or read book Limit on the Rare Decay B yields mu sup mu sup minus K sup plus minus written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on a search for flavor-changing neutral current decays of B mesons into [mu][mu]K[sup [plus-minus]] using data obtained in the Collider Detector at Fermilab (CDF) 1992--1993 data taking run. To reduce the amount of background in our data we use precise tracking information from the CDF silicon vertex detector to pinpoint the location of the decay vertex of the B candidate, and accept only events which have a large decay time. We compare this data to a B meson signal obtained in a similar fashion, but where the muon pears originate from [psi] decays, and calculate the relative branching ratios. In absence of any indication of flavor-changing neutral current decay we set an upper limit on the branching ratio of 3.2 [times] 10[sup [minus]1], which is consistent with Standard Model expectations but leaves little room for non-standard physics.
Download or read book Search for B0 s Mu Mu and B0 d Mu Mu Decays in P Anti p Collisions at S 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 on a search for B{sub s}° →??− and B{sub d}° →?+?− decays in p{bar p} collisions at √s = 1.96 TeV using 171 pb−1 of data collected by the CDF II experiment at the Fermilab Tevatron Collider. The decay rates of these rare processes are sensitive to contributions from physics beyond the Standard Model. One event survives all the selection requirements, consistent with the background expectation. They derive branching ratio limits of?(B{sub s}° →?+?−)
Download or read book Gensicke Hellmuth Die Rittergeschlechter Von Nackenheim written by and published by . This book was released on 1957 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
