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Study Of Charged Particle Species Produced In Association With Barb0 B And Barb0atops Mesons In Pbarp Collisions At U221as
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Book Synopsis Study of Charged Particle Species Produced in Association with B̄0, B−, and B̄0[s] Mesons in Pp̄ Collisions at [square Root]s by : Denys Usynin
Download or read book Study of Charged Particle Species Produced in Association with B̄0, B−, and B̄0[s] Mesons in Pp̄ Collisions at [square Root]s written by Denys Usynin and published by . This book was released on 2005 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Charged Particle Species Produced in Association with $\bar{B}$0, B-, and $\bar{B}$$0\atop{s}$ Mesons in P$\bar{p}$ Collisions at {u221A}s by :
Download or read book Study of Charged Particle Species Produced in Association with $\bar{B}$0, B-, and $\bar{B}$$0\atop{s}$ Mesons in P$\bar{p}$ Collisions at {u221A}s written by and published by . This book was released on 2005 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors study the yields of charged kaons, charged pions, and protons produced in association with B mesons produced in proton-antiproton collisions at center of mass energy 1960 GeV using 355 pb-1 of data collected with the CDF detector at the Fermilab Tevatron. This is the first reported measurements of these yields at a hadron collider. The B mesons are reconstructed using their semileptonic decays: B0 → l+D-X, D- → K+?-?-; B0 → l+D*-X, D*- → ?-$ar{D}$0,$ar{D}$0 → K+?-; B+ → l+$ar{D}$0X, $ar{D}$0 → K+?-; Bs→l+D$-top{s}$ X, D$-top{s}$ → ?-?,? → K+K-. The K, ?, and p are identified using the Time of Flight detector (TOF), the CDF spectrometer, and the specific ionization (dE/dx) measured in the central drift chamber (COT). The fraction of charged kaons produced in association with $ar{B}$$0top{s}$ mesons is found to be larger than the fraction produced in association with the $ar{B}$$0top{s}$ and B- mesons, as expected from naive models of heavy quark hadronization to mesons. The particle species yields are found to be in qualitative agreement with simulation of B meson production in hadron collisions from the PYTHIA Monte Carlo, although the yield of kaons around $ar{B}$$0top{s}$ mesons is found to be larger in the simulation when compared to the data. These studies are important for understanding methods of identifying the flavor of $ar{B}$$0top{s}$ mesons in measurement of $ar{B}$$0top{s}$ flavor oscillations and charge conjugation-parity (CP) violation in $ar{B}$$0top{s}$ meson decays.