Measurement Of D Sub S Sup And D Sub S Sup Production In B Meson Decays And From Continuum E Sup E Sup Annihilations At Radical

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Measurement Of D Sub S Sup And D Sub S Sup Production In B Meson Decays And From Continuum E Sup E Sup Annihilations At Radical

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Author :
language : en
Publisher:
Release Date : 2001

Measurement Of D Sub S Sup And D Sub S Sup Production In B Meson Decays And From Continuum E Sup E Sup Annihilations At Radical written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

New precise measurements of D[sub s][sup+] and D*[sub s][sup+] meson production from B mesons and q[bar q] continuum events near the[Upsilon](4S) resonance are presented in this paper. Using the BABAR data recorded in 1999 and 2000 of 20.8 fb[sup -1] on-resonance and 2.6 fb[sup -1] off-resonance, we measure the inclusive branching fractions (B[yields] D[sub s][sup+])= (10.93[+-] 0.19[+-] 0.58[+-] 2.73)% and (B[yields] D*[sub s][sup+])= (7.94[+-] 0.82[+-] 0.72[+-] 1.99)%, where the first error is statistical, the second is the systematic error, and the third is the error due to the D[sub s][sup+][yields][pi][sup+] branching fraction uncertainty. The branching fractions (B[yields] D[sup (*)][sub s][sup+][bar D](*))= (5.07[+-] 0.09[+-] 0.34[+-] 1.27)% and (B[yields] D*[sub s][sup+][bar D](*))= (4.07[+-] 0.42[+-] 0.53[+-] 1.02)% have been determined from the measured D[sup (*)][sub s][sup+] momentum spectra.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1988

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 1988 with Power resources categories.

Government Reports Announcements Index

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language : en
Publisher:
Release Date : 1996

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 1996 with Science categories.

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.

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Government Reports Annual Index

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language : en
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Release Date : 1992

Government Reports Annual 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 1992 with Government reports announcements & index categories.

Measurement Of D Sub S And D Sub S Sup Production In B Meson Decays And From Continuum E E Annihilations At S

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Author :
language : en
Publisher:
Release Date : 2001

Measurement Of D Sub S And D Sub S Sup Production In B Meson Decays And From Continuum E E Annihilations At 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 2001 with categories.

New precise measurements of D{sub s} and D*{sub s}+ meson production from B mesons and q{bar q} continuum events near the?(4S) resonance are presented in this paper. Using the BABAR data recorded in 1999 and 2000 of 20.8 fb−1 on-resonance and 2.6 fb−1 off-resonance, we measure the inclusive branching fractions (B → D{sub s}+) = (10.93 ± 0.19 ± 0.58 ± 2.73)% and (B → D*{sub s}+) = (7.94 ± 0.82 ± 0.72 ± 1.99)%, where the first error is statistical, the second is the systematic error, and the third is the error due to the D{sub s}+ →?+ branching fraction uncertainty. The branching fractions (B → D{sup (*)}{sub s}+ {bar D}(*)) = (5.07 ± 0.09 ± 0.34 ± 1.27)% and (B → D*{sub s}+ {bar D}(*)) = (4.07 ± 0.42 ± 0.53 ± 1.02)% have been determined from the measured D{sup (*)}{sub s}+ momentum spectra.

Measurement Of Ds And Ds Production In B Meson Decays And From Continuum E E Annihilation At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2002

Measurement Of Ds And Ds Production In B Meson Decays And From Continuum E E Annihilation At Sqrt 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 2002 with categories.

New measurements of D[sub s][sup+] and D*[sub s][sup+] meson production rates from B decays and from q[bar q] continuum events near the[Upsilon](4S) resonance are presented. Using 20.8 fb[sup -1] of data on the[Upsilon](4S) resonance and 2.6 fb[sup -1] off resonance, we find the inclusive branching fractions[Beta](B[yields] D[sub s][sup+]X)= (10.93[+-] 0.19[+-] 0.58[+-] 2.73)% and[Beta](B[yields] D*[sub s][sup+] X)= (7.9[+-] 0.8[+-] 0.7[+-] 2.0)%, where the first error is statistical, the second is systematic, and the third is due to the D[sub s][sup+][yields][phi][pi][sup+] branching fraction uncertainty. The branching fractions[Sigma][Beta](B[yields] D(*)[sub s][sup+][bar D](*))= (5.07[+-] 0.14[+-] 0.30[+-] 1.27)% and[Sigma][Beta](B[yields] D*[sub s][sup+][bar D](*))= (4.1[+-] 0.2[+-] 0.4[+-] 1.0)% are determined from the D(*)[sub s][sup+] momentum spectra.

Nuclear Science Abstracts

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Author :
language : en
Publisher:
Release Date : 1967

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 1967 with Nuclear energy categories.

Inis Atomindeks

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language : en
Publisher:
Release Date : 1988

Inis Atomindeks 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.

A Measurement Of D And D S Production In E E Annihilation At S 1 2

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language : en
Publisher:
Release Date : 2004

A Measurement Of D And D S Production In E E Annihilation At S 1 2 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

Measurements have been made of the production rates of D[sup +] and D[sub s] mesons via the channels D[sup +]-[bar K]*[sup 0] [ell][sup +][nu][sub [ell]] and D[sub s] [yields] [phi][pi] in e[sup +]e[sup -] annihilation at [radical]s = 29 GeV in 220 pb[sup -1] of data collected by the Mark II detector. The measurements assume the current branching ratios, measured predominantly at [radical]s [approx-equal] 10 GeV and by fixed target experiments. Measurements of the total production cross-sections times the appropriate branching ratios, which are independent of any other measurements, and an upper limit for the ratio of branching ratios, [Lambda](D[sub s] [yields] [phi][ell][bar [nu]][sub [ell]])/[Lambda](D[sub s] [yields] [phi][pi])