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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Scientific And Technical Aerospace Reports

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language : en
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Release Date : 1995

Scientific And Technical Aerospace Reports 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 Aeronautics categories.

Nuclear Science Abstracts

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language : en
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Release Date : 1964

Nuclear Science 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 1964 with Nuclear energy categories.

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.

Physics Briefs

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Author :
language : en
Publisher:
Release Date : 1991

Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Physics categories.

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.

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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language : en
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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.

Government Reports Announcements Index

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Author :
language : en
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Release Date : 1993-06

Government Reports Announcements 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 1993-06 with Science categories.

Bulletin Of The Atomic Scientists

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language : en
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Release Date : 1958-01

Bulletin Of The Atomic Scientists written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958-01 with categories.

The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.

Science Abstracts

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language : en
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Release Date : 1965

Science 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 1965 with Physics categories.

Science Citation Index

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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.