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Hadron Production By E E Annihilation At Center Of Mass Energies Between 26 And 78 Gev
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Book Synopsis Hadron Production by E+e− Annihilation at Center-of-mass Energies Between 2.6 and 7.8 GeV by : James Leon Siegrist
Download or read book Hadron Production by E+e− Annihilation at Center-of-mass Energies Between 2.6 and 7.8 GeV written by James Leon Siegrist and published by . This book was released on 1979 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hadron Production by Ee− Annihilation at Center-of-mass Energies Between 2. 6 and 7. 8 GeV. by :
Download or read book Hadron Production by Ee− Annihilation at Center-of-mass Energies Between 2. 6 and 7. 8 GeV. written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented on multihadron production by ee− annihilation from the Mark I and Mark II detectors at SPEAR. Other than the narrow resonances psi (3095) and psi' (3684), the total hadronic cross section varies between 36.5 and 6.4 nb over the center-of-mass energy range 2.6 to 7.8 GeV with complicated structure near 4.1 GeV not completely resolved by these measurements. Evidence for scaling of inclusive momentum distributions of hadrons is presented.
Book Synopsis Hadron Production by Electron Positron Annihilation at 5 GeV Center-of-mass Energy by : Joseph Che-Kit Leong
Download or read book Hadron Production by Electron Positron Annihilation at 5 GeV Center-of-mass Energy written by Joseph Che-Kit Leong and published by . This book was released on 1974 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hadron Production by Electron-positron Annihilation at 4-GeV Center-of-mass Energy by : Giora Jorge Tarnopolsky
Download or read book Hadron Production by Electron-positron Annihilation at 4-GeV Center-of-mass Energy written by Giora Jorge Tarnopolsky and published by . This book was released on 1973 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Total Cross Section for Hadron Production by E+e--annihilation at Center of Mass Energies Between 3.6 and 5.2 GeV. by : DASP Collaboration
Download or read book Total Cross Section for Hadron Production by E+e--annihilation at Center of Mass Energies Between 3.6 and 5.2 GeV. written by DASP Collaboration and published by . This book was released on 1978 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hyperon production in e_1hn+e_1hn- [ee] annihilation at 10 GeV center of mass energy by :
Download or read book Hyperon production in e_1hn+e_1hn- [ee] annihilation at 10 GeV center of mass energy written by and published by . This book was released on 1987 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hadronization Phenomenology from Strange Hadron Production Measurements in E+e- Annihilation at 27.4GeV Center-of-mass Energy by : Eric Christopher Berg
Download or read book Hadronization Phenomenology from Strange Hadron Production Measurements in E+e- Annihilation at 27.4GeV Center-of-mass Energy written by Eric Christopher Berg and published by . This book was released on 1994 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hadron Production by [math Display by :
Download or read book Hadron Production by [math Display written by and published by . This book was released on 1982 with total page 969 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of multihadron production in ee− annihilation at center-of-mass energies between 2.6 and 7.8 GeV are presented. Aside from the narrow resonances [psi](3095) and [psi](3684), the total hadronic cross section is found to be approximately 2.7 times the cross section for the production of muon pairs at c.m. energies below 3.7 GeV and 4.3 times the muon-pair cross section at c.m. energies above 5.5 GeV. Complicated structure is found at intermediate energies. Charged-particle multiplicities and inclusive momentum distributions are presented.
Book Synopsis Total and Inclusive Hadron Production by Ee− Annihilation at [square Root Symbol]S by : James Fraser Patrick
Download or read book Total and Inclusive Hadron Production by Ee− Annihilation at [square Root Symbol]S written by James Fraser Patrick and published by . This book was released on 1982 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inclusive Hadron Production in Electron-positron Collisions with Center-of-mass Energies from 50 to 61.4 GeV by : Mark Edward Mattson
Download or read book Inclusive Hadron Production in Electron-positron Collisions with Center-of-mass Energies from 50 to 61.4 GeV written by Mark Edward Mattson and published by . This book was released on 1994 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Hadron Final States in E+e- Annihilation at 13 GeV and 17 GeV Center of Mass Energies by : TASSO Collaboration
Download or read book Properties of Hadron Final States in E+e- Annihilation at 13 GeV and 17 GeV Center of Mass Energies written by TASSO Collaboration and published by . This book was released on 1979 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Total and Inclusive Hadron Production by Ee− Annihilation At. Sqrt. S by :
Download or read book Total and Inclusive Hadron Production by Ee− Annihilation At. Sqrt. S written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements are presented of R, the ratio of the total hadronic cross section to the cross section for mu pair production, and of the inclusive charged particle momentum distribution so sigma/dx for e/sup +/e− annihilation at center of mass energies of 5.2, 6.5, and 29.0 GeV. The ratio R is found to be approximately 3.9, consistent with quark-parton model expectations, at each of the three energies with an estimated systematic uncertainty of 6%. The inclusive cross sections show significant deviation from the scaling behavior predicted by the quark-parton model.
Book Synopsis D Meson Production in Ee− Annihilation. [3. 7 to 7. 0 GeV, Total Cross Section, Branching Ratio]. by :
Download or read book D Meson Production in Ee− Annihilation. [3. 7 to 7. 0 GeV, Total Cross Section, Branching Ratio]. written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of D mesons in ee− annihilation for the center-of-mass energy range 3.7 to 7.0 GeV was studied with the MARK I magnetic detector at SPEAR. A resonance was observed in the total cross section for hadron production in ee− annihilation at an energy just above the threshold for charm production. This resonance, which is named psi'', has a mass of 3772 +- 6 MeV/c2, a total width of 28 +- 5 MeV/c2, a partial width to electron pairs of 345 +- 85 eV/c2, and decays almost exclusively into D anti D pairs. The psi'' provides a rich source of background-free and kinematically well defined D mesons for study. From produced in the decay of the psi'' the masses of the D° and D/sup +/ mesons were determined to be 1863.3 +- 0.9 MeV/c2 and 1868.3 +- 0.9 MeV/c2 respectively. Also the branching fractions for D° decay to K−.pi./sup +/, anti K°.pi./sup +/.pi.− and K−.pi./sup +/.pi.−.pi./sup +/ were determined to be (2.2 +- 0.6)%, (4.0 +- 1.3)%, and (3.2 +- 1.1)% and the branching fractions for D/sup +/ decay to anti K°.pi./sup +/ and K−.pi./sup +/.pi./sup +/ to be (1.5 +- 0.60)% and (3.9 +- 1.0)%. The average number of kaons per D decay was found to be 0.52 +- 0.14 K°'s and 0.42 +- 0.12 K/sup +/'s. The rate for inclusive production of D mesons at center-of-mass energies above the psi'' was measured; it is found that it can account for most, if not all, of the observed increase in the total hadronic cross-section for center-of-mass energies above 4 GeV. The inclusive momentum and energy spectra for D's were measured at the highest available center-of-mass energy (7 GeV). The energy spectra are rapidly decreasing functions of energy with a slope similar to the slope of the charged pion spectrum at the same center-of-mass energy. This behavior suggests that the fragmentation function of the charmed quark into charmed mesons is a decreasing function of the scaling variable z = 2E/sub D//E/sub CM/. 81 references.
Book Synopsis D Meson Production in E+e− Annihilation by : Petros-Afentoulis Rapidis
Download or read book D Meson Production in E+e− Annihilation written by Petros-Afentoulis Rapidis and published by . This book was released on 1979 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evidence for F* [F] meson production in e_1hn+e_1hn- [ee] annihilation at 10 GeV center-of-mass energy by :
Download or read book Evidence for F* [F] meson production in e_1hn+e_1hn- [ee] annihilation at 10 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:
Book Synopsis Charged-hadron Production in Ee− Collisions at PEP with the TPC. by :
Download or read book Charged-hadron Production in Ee− Collisions at PEP with the TPC. written by and published by . This book was released on 1983 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. We have measured the particle fractions and particle separated differential cross sections using the PEP-4 (Time Projection Chamber) detector. The particles were identified by measuring their ionization energy loss (dE/dx). The pion fraction decreases from above 90% at 400 MeV/c to 55% at 6 GeV/c. Our results for kaon production require that a large number of kaons are produced by strange quarks pulled from the vacuum. We have also measured R, the ratio of the total hadronic cross section to the mu pair cross section. Our value for R is 3.7 with an uncertainty of 10%. This value is in agreement with the results of other experiments and with the predictions of the quark-parton model.
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