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Heavy-nucleus multifragmentation induced by coherent bremsstrahlung photons with endpoint energy E maxγ =4.1 GeV

  • Elementary Particles and Fields
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Abstract

New experimental data are presented that were obtained by studying the multifragmentation of 197Au, 209Bi, 238U, and 243Am nuclei in a coherent bremsstrahlung-photon beam with an endpoint energy of 4.1 GeV from the Erevan Synchrotron. For the first time, four or more fragments are observed. For all the nuclei studied here, the respective production cross sections are about (1–3)×10−3 of the total inelastic photon-nucleus cross section. The fragment yields are isotropic.

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Authors and Affiliations

  1. Erevan Physics Institute, ul. brat'ev Alikhanian 2, Erevan, 375036, Armenia

    G. L. Bayatyan, G. S. Vartanyan, N. K. Grigoryan, S. G. Knyazyan, V. P. Likhachev, A. T. Margaryan, G. G. Marikyan & T. A. Rostomyan

  2. Universidade de São Paulo, CP 66318, BR-05389-970, São Paulo, SP, Brazil

    V. P. Likhachev

Authors
  1. G. L. Bayatyan
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  2. G. S. Vartanyan
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  3. N. K. Grigoryan
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  4. S. G. Knyazyan
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  5. V. P. Likhachev
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  6. A. T. Margaryan
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  7. G. G. Marikyan
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  8. T. A. Rostomyan
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__________

Translated from Yadernaya Fizika, Vol. 65, No. 8, 2002, pp. 1510–1514.

Original Russian Text Copyright © 2002 by Bayatyan, Vartanyan, Grigoryan, Knyazyan, Likhachev, Margaryan, Marikyan, Rostomyan.

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Bayatyan, G.L., Vartanyan, G.S., Grigoryan, N.K. et al. Heavy-nucleus multifragmentation induced by coherent bremsstrahlung photons with endpoint energy E maxγ =4.1 GeV. Phys. Atom. Nuclei 65, 1474–1478 (2002). https://doi.org/10.1134/1.1501659

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  • DOI: https://doi.org/10.1134/1.1501659

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