[PDF] Top 20 Measurements of the branching fractions and bounds on the charge asymmetries of charmless three-body charged B decays

... P. Strother, 35 P. B. Vidal, 35 G. Cowan, 36 H. U. Flaecher, 36 S. George, 36 M. G. Green, 36 A. Kurup, 36 C. E. Marker, 36 T. R. McMahon, 36 S. Ricciardi, 36 F. Salvatore, 36 G. Vaitsas, 36 M. A. Winter, 36 D. ... See full document

... calorimeter. Charged particle identification (PID) is provided by the average energy loss (dE=dx) in the tracking devices, and by an internally reflecting ring imaging Cherenkov de- tector (DIRC) covering the ... See full document

... We use a multivariate technique [13] to determine the flavor of the B tag meson. Separate neural networks are trained to identify primary leptons, kaons, and soft pions from D decays, and high-momentum ... See full document

... loop-mediated decays is a sensitive test for ‘new physics’. Various measurements of γ using tree-dominated decays, such as those using B → D (∗) K (∗) , have been performed [24, 60, 176, 177], ... See full document

... of b- and ...and three stations of silicon-strip detectors and straw drift-tubes placed down- ...detector asymmetries. Charged hadrons are identified us- ing two ring-imaging Cherenkov (RICH) ... See full document

... We express our gratitude to our colleagues in the CERN accelerator departments for the excellent performance of the LHC. We thank the technical and administrative staff at the LHCb institutes. We acknowledge support from ... See full document

... containing b or c ...and three sta- tions of silicon-strip detectors and straw drift tubes placed downstream of the ...of charged particles with a relative uncertainty that varies from ... See full document

... other B decays. The charmless modes are grouped into 11 classes with similar kinematic and topo- logical ...and charged b ! c ...two-, three-, and four-body decays ... See full document

... and three stations of silicon-strip detectors and straw drift tubes placed ...interaction. Charged hadrons are identified using two ring-imaging Cherenkov ... See full document

... the B meson decay products up to 4.3 GeV 兾 c. Charged particles are detected and their momenta are mea- sured by a combination of a silicon vertex tracker, consist- ing of five layers of double-sided ... See full document

... L. Shekhtman 31 , O. Shevchenko 40 , V. Shevchenko 28 , A. Shires 50 , R. Silva Coutinho 45 , T. Skwarnicki 53 , N.A. Smith 49 , E. Smith 52,46 , K. Sobczak 5 , F.J.P. Soler 48 , A. Solomin 43 , F. Soomro 18,35 , ... See full document

... Several event topology variables provide discrimina- tion between the large continuum (e e ! q q q, where q u;d;s;c) background, which tends to be collimated along the original quark direction, and more spherical ... See full document

... γγ decays, photons that, when combined with another photon in the event, form a π 0 → γγ candidate with mass within 25 MeV /c 2 of the π 0 mass (corresponding to about ±3σ around the known mass) are not used in ... See full document

... from B ! K decay, as well as higher K resonance decay, is studied by performing fits to the K invariant ...four-body B ! KKK decays is checked by performing fits to the nonresonant region of K ... See full document

... decays, where h and h 0 are either a kaon or a pion. One possible source of the required strong phase is from final- state hadron rescattering, which can occur between two or more decay channels with the same ... See full document

... manner. Here, however, we are concerned about the reflec- tion from þ c ! pK þ where the proton is taken to be a kaon, since we do not impose an explicit proton veto. Using such a veto would lose 30% of the signal and ... See full document

... In order to compute an accurate kernel density over our data sample 5 , we implement the dual-tree algorithm proposed in [22]. To further speed up the computation, we use the GPU to accelerate the leaf computations using ... See full document

... displaced-vertex b-tagging algorithm and the SMT ...the charge of the produced b-quark arises in t ¯ t pair production events when establishing if an SMT muon originated from the same- or ... See full document

... Z. H. Qin, 1,39 J. F. Qiu, 1 K. H. Rashid, 50,i C. F. Redmer, 23 M. Ripka, 23 G. Rong, 1,43 Ch. Rosner, 14 A. Sarantsev, 24,e M. Savri´e, 21b C. Schnier, 4 K. Schoenning, 52 W. Shan, 32 M. Shao, 48,39 C. P. Shen, 2 P. X. ... See full document

... as decays of b quarks to s ...penguin decays of b quarks, b → sγ , in which a W boson is emitted and reabsorbed by the quark ...penguin decays can provide sensitive tests of the ... See full document