Study Of Charged Particle Species Produced In Association With B0 B And Bs Mesons In Proton Anti Proton Collisions At S 1 2

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Study Of Charged Particle Species Produced In Association With B0 B And Bs Mesons In Proton Anti Proton Collisions At S 1 2

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Author : Denys Usynin
language : en
Publisher:
Release Date : 2005

Study Of Charged Particle Species Produced In Association With B0 B And Bs Mesons In Proton Anti Proton Collisions At S 1 2 written by Denys Usynin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

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{sup -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: B{sup 0} {yields} {ell}{sup +}D{sup -}X, D{sup -} {yields} K{sup +}{pi}{sup -}{pi}{sup -}; B{sup 0} {yields} {ell}{sup +}D*{sup -}X, D*{sup -} {yields} {pi}{sup -}{bar D}{sup 0}, {bar D}{sup 0} {yields} K{sup +}{pi}{sup -}; B{sup +} {yields} {ell}{sup +}{bar D}{sup 0}X, {bar D}{sup 0} {yields} K{sup +}{pi}{sup -}; B{sub s}{yields}{ell}{sup +}D{sub s}{sup -}X, D{sub s}{sup -} {yields} {pi}{sup -}{phi}, {phi} {yields} K{sup +}K{sup -}. The K, {pi}, 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 {bar B}{sub s}{sup 0} mesons is found to be larger than the fraction produced in association with the {bar B}{sup 0} and B{sup -} 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 {bar B}{sub s}{sup 0} 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 {bar B}{sub s}{sup 0} mesons in measurement of {bar B}{sub s}{sup 0} flavor oscillations and charge conjugation-parity (CP) violation in {bar B}{sub s}{sup 0} meson decays.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1994-11

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-11 with Power resources categories.

High Energy Physics Index

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Author :
language : en
Publisher:
Release Date : 1990

High Energy Physics Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Nuclear physics categories.

Inis Atomindex

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language : en
Publisher:
Release Date : 1988

Inis Atomindex written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Nuclear energy categories.

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

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Author :
language : en
Publisher:
Release Date : 2005

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 has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

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.

Science Citation Index

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Author :
language : en
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Release Date : 1995

Science Citation Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.

Vols. for 1964- have guides and journal lists.

Study Of Charged Particle Species Produced In Association With B 0 B And B 0 S Mesons In Pp Collisions At Square Root S

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Author : Denys Usynin
language : en
Publisher:
Release Date : 2005

Study Of Charged Particle Species Produced In Association With B 0 B And B 0 S Mesons In Pp Collisions At Square Root S written by Denys Usynin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

Antiproton Proton Interactions Producing Final States With Two Charged Particles In The U Meson Region

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Author : Alan Stanley THOMPSON
language : en
Publisher:
Release Date : 1974

Antiproton Proton Interactions Producing Final States With Two Charged Particles In The U Meson Region written by Alan Stanley THOMPSON and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.

A Study Of The Energy Dependence Of The Underlying Event In Proton Antiproton Collisions

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language : en
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Release Date : 2015

A Study Of The Energy Dependence Of The Underlying Event In Proton Antiproton Collisions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

We study charged particle production (pT > 0.5 GeV/c,

Slovo O Pl Ku Ihorevi Ta I O Ho Poetychni Pereklady I Perspivy Vyd Pidhotuvav Leonid Makhnovet S

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Author :
language : en
Publisher:
Release Date : 1967

Slovo O Pl Ku Ihorevi Ta I O Ho Poetychni Pereklady I Perspivy Vyd Pidhotuvav Leonid Makhnovet S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with categories.