Measurement of the Branching Ratios Psi-prime ---] E+ E-, Psi-prime ---] J/psi Pi Pi and Psi-prime ---] J/psi Eta PDF Download
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![Measurement of the Branching Ratios Psi-prime ---] E+ E-, Psi-prime ---] J/psi Pi Pi and Psi-prime ---] J/psi Eta PDF](https://books.google.com/books/content/images/frontcover/WNnQwQEACAAJ?fife=w150-h200)
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Languages : en
Pages : 8
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The authors have measured several branching ratios for?' decay using the data collected by FNAL E835 experiment during year 2000, obtaining?(?' 2!ee−) = 0.0068 ± 0.0001 ± 0.0004,?(?' 2!J/??+?−) = 0.292 ± 0.005 ± 0.018,?(?' 2!J/??°?°) = 0.167 ± 0.005 ± 0.014 and?(?' 2!J/??) = 0.028 ± 0.002 ± 0.002. They also present a measurement of the dipion mass distribution in the decays?' 2!J/???
![Measurement of the Branching Ratios Psi-prime ---] E+ E-, Psi-prime ---] J/psi Pi Pi and Psi-prime ---] J/psi Eta PDF](https://books.google.com/books/content/images/frontcover/WNnQwQEACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages : 8
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Book Description
The authors have measured several branching ratios for?' decay using the data collected by FNAL E835 experiment during year 2000, obtaining?(?' 2!ee−) = 0.0068 ± 0.0001 ± 0.0004,?(?' 2!J/??+?−) = 0.292 ± 0.005 ± 0.018,?(?' 2!J/??°?°) = 0.167 ± 0.005 ± 0.014 and?(?' 2!J/??) = 0.028 ± 0.002 ± 0.002. They also present a measurement of the dipion mass distribution in the decays?' 2!J/???
![A Measurement of the B0 --] J/psi Pi+pi- Branching Fraction PDF](https://books.google.com/books/content/images/frontcover/NCnuwQEACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages : 5
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We present a measurement of the branching fraction for the decay of the neutral B meson into the final state J/???−. The data set contains approximately 56 million B{bar B} pairs produced at the?(4S) resonance and recorded with the BABAR detector at the PEP-II asymmetric-energy e+e− storage ring. The result of this analysis is?(B ° → J/??+?−) = (4.6 ± 0.7 ± 0.6) x 10−5, where the first error is statistical and the second is systematic. In addition we measure?(B° → J???°) = (1.6 ± 0.6 ± 0.4) x 10−5.
![Measurement of the Branching Fractions for Psi(2S) --] E+e- and Psi(2S)--]mu+mu- PDF](https://books.google.com/books/content/images/frontcover/BA8LkAEACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages :
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The authors measure the branching fractions of the [psi](2S) meson to the leptonic final states e[sup +]e[sup -] and [mu][sup +][mu][sup -] relative to that for [psi](2S) [yields] J/[psi] [pi][sup +][pi][sup -]. The method uses [psi](2S) mesons produced in the decay of B mesons at the [Upsilon](4S) resonance in a data sample collected with the BABAR detector at the Stanford Linear Accelerator Center. Using previous measurements for the [psi](2S) [yields] J/[psi] [pi][sup +][pi][sup -] branching fraction, they determine the e[sup +]e[sup -] and [mu][sup +][mu][sup -] branching fractions to be 0.0078 [+-] 0.0009 [+-] 0.0008 and 0.0067 [+-] 0.0008 [+-] 0.0007 respectively.
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Category : Power resources
Languages : en
Pages : 1430
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Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Author: Particle Data Group
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ISBN:
Category : Baryons
Languages : en
Pages : 278
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![Measurement of the Psi' -] Psi Pi+ Pi- Branching Ratio in the 835 Experiment at Fermilab (Appendix PDF](https://books.google.com/books/content/images/frontcover/746PAQAACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages : 112
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![A Measurement of the Nuclear Dependence of J/[psi] and [psi Prime] Production PDF](https://books.google.com/books/content/images/frontcover/6BlqNwAACAAJ?fife=w80-h100)
Author: William Malcolm Lee
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ISBN:
Category : Charmonium
Languages : en
Pages : 212
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ISBN:
Category :
Languages : en
Pages : 137
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Author: Duc Ong
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ISBN:
Category : Branching fractions (Nuclear physics)
Languages : en
Pages : 130
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Author: K. George
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Category :
Languages : en
Pages :
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We present measurements of the branching fraction and time-dependent CP asymmetries in B{sup 0} {yields} J/{psi}{pi}{sup 0} decays based on (231.8 {+-} 2.6) x 10{sup 6} {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. We obtain a branching fraction {Beta}(B{sup 0} {yields} J/{psi}{pi}{sup 0}) = (1.94 {+-} 0.22 (stat) {+-} 0.17 (syst)) x 10{sup -5}. We also measure the CP asymmetry parameters C = -0.21 {+-} 0.26 (stat) {+-} 0.06 (syst) and S = -0.68 {+-} 0.30 (stat) {+-} 0.04 (syst).
