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| Author | : James Fraser Patrick |
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| Total Pages | : 214 |
| Release | : 1982 |
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| Release | : 1982 |
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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.
| Author | : James Fraser Patrick |
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| Total Pages | : 234 |
| Release | : 1982 |
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| Author | : DASP Collaboration |
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| Total Pages | : 5 |
| Release | : 1977 |
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| Release | : 1977 |
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| Release | : 1985 |
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Data from the High Resolution Spectrometer at PEP have been used to study the inclusive production of baryons and mesons. Time-of-flight measurements are used to identify the charged hadrons. Neutral hadrons are identified from effective mass peaks in their decay into two charged particles. Cross sections for charged pions, charged and neutral kaons, protons and lambda hyperons are given. Other inclusive production characteristics are presented. The cross section ratios to the point cross section are: R(K°) = 5.59 +- 0.19 +- 0.30, and for .lambda.'s, R(.lambda.) = 0.762 +- 0.052 +- 0.064. The results, when compared to the Lund fragmentation model, give (us/ud)/(s/d) = 0.30 +- 0.10. 17 refs., 11 figs., 6 tabs.
| Author | : TPC/Two Gamma Collaboration |
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| Total Pages | : 95 |
| Release | : 1988 |
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| Release | : 1985 |
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Recent results on hadron production in ee− annihilation are summarized. The topics included are: (1) inclusive hadron production, (2) comparison of light (u, d, s) and heavy (c, b) quark jets; (3) p - anti p correlations; (4) gluon vs. quark jets; (5) analysis of 3 jet events; (6) measurement of the strong coupling constant .cap alpha./sub s/; and (7) forward-backward asymmetries of quarks and leptons. Experimental data are compared with predictions of several models to reveal underlying physics. 62 refs., 22 figs.
| Author | : James Leon Siegrist |
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| Total Pages | : 348 |
| Release | : 1979 |
| Genre | : Hadrons |
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| Author | : Massachusetts Institute of Technology. Laboratory for Nuclear Science |
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| Release | : 1986 |
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