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Properties Of D Production In Ee Annihilation At 29 Gev
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Book Synopsis Properties of D* Production in Ee− Annihilation at 29 GeV. by :
Download or read book Properties of D* Production in Ee− Annihilation at 29 GeV. written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: D* production is studied in the decay chain D* .-->. D° .pi. with the D° observed in the K−.pi.+ mode and the corresponding charge conjugate decays. The results were obtained from a preliminary analysis of an 80 pb−1 data sample of e+e− annihilations at 29 GeV taken with the High Resolution Spectrometer at PEP. The excellent mass resolution of the HRS allows the study of the D* production and decay with very low background. We present the fragmentation function over the range of Z from 0.2 to 1.0.
Book Synopsis Charm D Production in Ee− Annihilation at 29 GeV. by :
Download or read book Charm D Production in Ee− Annihilation at 29 GeV. written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented on the analysis of charm D Production from 300 pb−1 of data taken with the HRS Detector at PEP. The electroweak asymmetry is -8.4 +- 3.6% and R (D + D*) = 1.57 +- 0.17. Fragmentation functions for D°, D, D* production and the results of a search for the D** are given. 10 refs., 9 figs.
Book Synopsis Inclusive Hadron Production and Two Particle Correlations in Ee− Annihilation at 29 GeV Center-of-mass Energy by :
Download or read book Inclusive Hadron Production and Two Particle Correlations in Ee− Annihilation at 29 GeV Center-of-mass Energy written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We have studied hadron production in ee− annihilation at 29 GeV center-of-mass energy using the PEP-4 Time Projection Chamber Detector. The inclusive cross sections and mean multiplicities for .pi./sup + -/, K/sup + -/ and (p + anti p) production have been measured using ionization energy loss to separate particle species. We find on average 10.7 +- 0.6 .pi./sup + -/, 1.35 +- 13 K/sup + -/ and 0.60 +- 0.08 (p + anti p) per multihadron event. The differential cross section is well described by a number of Monte Carlo hadronization models. In addition, we have observed correlations in rapidity space for identified pions and kaons. Short-range KK correlations provide evidence for local flavor compensation during hadronization. Long-range .pi pi. and KK correlations indicate that the initial partons carry flavor. We also observe significant long-range .pi. K correlations as a result of heavy quark decays. 85 references, 67 figures, 11 tables.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inclusive D0 Production in E+e Annihilation at 29 GeV by : Raymond Eugene Van Tyen
Download or read book Inclusive D0 Production in E+e Annihilation at 29 GeV written by Raymond Eugene Van Tyen and published by . This book was released on 1989 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974-03 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1991 with total page 1454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flavor Mixing in Weak Interactions by : Ling-Lie Chau
Download or read book Flavor Mixing in Weak Interactions written by Ling-Lie Chau and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 50-year history of weak interaction since Fermi's pro posal of this coupling has been marked with striking direct inter plays between experimental results and theoretical understanding, e.g. the discoveries of neutrinos, parity violation, and CP vio lation. The recent discoveries of the quark hierarchy, the charm and the beauty, and the intermediate vector bosons W± and ZO have truly made a splendid page in the history of particle physics. It is the purpose of this conference to discuss the questions of quark and lepton generations and mixing, their relations to CP violation, and to ask the questions about what are inside the quarks and the leptons in view of the present and future exper imental situation. Dr. Ling-Lie Chau Brookhaven National Laboratory Upton, New York vii ACKNOWLEDGMENTS I would like to thank all the Advisory and Organizing Committee members for their advice and suggestions during the organization of the conference. The running of the conference could not have gone so smoothly without the help of many participants, I sincerely thank: L. Becker, F.J. Botella, S. Gentile, P. Le Comte, M.E. Machacek, L. Lanceri, W.M. Morse, F.J. Olness, Y.-X. Pham, G. Poulard, K.J. Sliwa, and J.N. Webb.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1987 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 1983 International Symposium on Lepton and Photon Interactions at High Energies, August 4-9, 1983, Floyd R. Newman Laboratory of Nuclear Studies, Cornell University, Ithaca, New York by : Floyd R. Newman Laboratory of Nuclear Studies
Download or read book Proceedings of the 1983 International Symposium on Lepton and Photon Interactions at High Energies, August 4-9, 1983, Floyd R. Newman Laboratory of Nuclear Studies, Cornell University, Ithaca, New York written by Floyd R. Newman Laboratory of Nuclear Studies and published by . This book was released on 1983 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1983 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Properties of the Psi(3.7) Resonance, and Features of the Total Hadronic Cross Section in Ee− Annihilation from 2.4 GeV to 5.0 GeV C.m. Energy by :
Download or read book Some Properties of the Psi(3.7) Resonance, and Features of the Total Hadronic Cross Section in Ee− Annihilation from 2.4 GeV to 5.0 GeV C.m. Energy written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Production and properties of the in e- annihilation at c. m. energies from 12 to 31.6. GeV by :
Download or read book Production and properties of the in e- annihilation at c. m. energies from 12 to 31.6. GeV written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recent Results on Open and Hidden Charm Production in Ee− Annihilation at 29 GeV. by :
Download or read book Recent Results on Open and Hidden Charm Production in Ee− Annihilation at 29 GeV. written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Inclusive)psi) production in ee/sup)minus/) annihilation at 29 GeV has been measured with the Mark II detector. The)psi) cross section is found to be 1.1)+- ) 0.5)+- ) 0.4 pb. An upper limit of 0.02 sigma/sub .mu mu./ is obtained for other sources of)psi) production.)eta) production has also been investigated, using the .gamma gamma. decay mode. The)eta) fragmentation function has been measured and found to be in good agreement with the Lund model prediction.)eta)' production has been measured for the first time in high energy ee/sup)minus/) annihilation. A search for D/sub s//sup)+-/) decays into)eta) .pi./sup)+-/) and)eta)' .pi./sup)+-/) has been performed and evidence has been found for both decay modes at the 3 sigma level. 11 refs., 5 figs.
Book Synopsis A Measurement of D+ and D(s) Production in E+ E- Annihilation at S** 1/2 by :
Download or read book A Measurement of D+ and D(s) Production in E+ E- Annihilation at S** 1/2 written by and published by . This book was released on 2004 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiplicity Distributions in Ee− Annihilation at 29 GeV by :
Download or read book Multiplicity Distributions in Ee− Annihilation at 29 GeV written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The charged particle multiplicity distributions for single jets in ee− annihilation at 29 GeV have been measured using the High Resolution Spectrometer at PEP. The shape of the distribution agrees well with a Poisson distribution. No correlation is observed between the multiplicities in the two jets of an event. For fixed values of the prong number of the total event, the multiplicity sharing between the two jets is in good agreement with a binomial distribution. These observations are contrasted to the results from soft hadronic collisions and conclusions are drawn about the nature of clusters. 21 refs., 4 figs.
