Total photoabsorption cross section for [Formula Presented]He from 200 to 800 MeV

M. MacCormick, J. Habermann, J. Ahrens, G. Audit, R. Beck, A. Braghieri, G. Galler, N. d’Hose, V. Isbert, P. Pedroni, T. Pinelli, G. Tamas, S. Wartenberg, A. Zabrodin

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31 Citations (Scopus)


The total photoabsorption cross section for [Formula Presented]He has been measured for the first time over a wide photon energy range (200 MeV[Formula Presented]800 MeV). By using the large acceptance detector DAPHNE at the tagged photon facility of the MAMI microtron in Mainz high precision results with small systematic errors were obtained. This measurement shows that [Formula Presented]He has a behavior similar to heavy nuclei and, in particular, a reduction of the cross section with respect to the lighter nuclei is found for [Formula Presented]600 MeV.

Original languageEnglish
Pages (from-to)1033-1038
Number of pages6
JournalPhysical Review C - Nuclear Physics
Issue number3
Publication statusPublished - 1997
Externally publishedYes


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