![Gamma and Pizero Production in Ee− Annihilation. [4. 9 to 7. 4 GeV (c. M.)]. PDF](https://books.google.com/books/content/images/frontcover/JKRJnQAACAAJ?fife=w80-h100)
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Languages : en
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Inclusive cross sections of .gamma.'s and .pi.° mesons in hadronic events produced by electron-positron annihilation for the center-of-mass energy range 4.9 to 7.4 GeV are presented. Scale invariance of the inclusive spectra is exhibited in this energy range, and their normalization and shape are seen to be consistent with those of spectra arising from the decay of the .pi.°. The fraction of center-of-mass energy carried away by the .gamma.'s at high energies is found to be = 0.24 +- 0.01. The .pi.° inclusive cross section is seen to be consistent in normalization and shape with half the charged-.pi. cross section between x = 0.15 and 0.75, with an integrated inclusive cross-section ratio of sigma(.pi.°)/(sigma(.pi.) + sigma(.pi.−)) = 0.48 +- 0.05. 60 figures, 7 tables.
Author: Abraham Fong
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Languages : en
Pages : 123
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Author: Abraham Fong
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Category :
Languages : en
Pages : 266
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![Inclusive [gamma] and [pi]0 Production in E+e- Annihilation at 14, 22, and 34 GeV C.M. Energy PDF](https://books.google.com/books/content/images/frontcover/rBKMPgAACAAJ?fife=w80-h100)
Author: H.-J. Behrend
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Languages : en
Pages : 10
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![Production Of. Gamma. (9. 5) in Ee− Annihilation and Photoproduction. [Cross Sections]. PDF](https://books.google.com/books/content/images/frontcover/Z8PNwgEACAAJ?fife=w80-h100)
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Languages : en
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Assuming that the new resonance .gamma.(9.5) is a vector meson, its leptonic and hadronic decay widths are calculated in analogy to those of psi(3.1). Then, using the Breit-Wigner formula, the production cross section in ee− annihilation is predicted. The tensor dominance of the Pomeron, together with the vector dominance model, is invoked to estimate the photoproduction cross section.
Author: CELLO collaboration
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Languages : en
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Author: Bruce Leslie Beron
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Languages : en
Pages : 136
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Author: Floyd William Stecker
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Languages : en
Pages : 23
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Author: Brian John Carrigan
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Category : Annihilation reactions
Languages : en
Pages : 256
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![Inclusive π°-production [pi-production] by e+e- [ee] annihilation at 34.6 GeV center of mass energy PDF](https://books.google.com/books/content/images/frontcover/YhXGzQEACAAJ?fife=w80-h100)
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Languages : de
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