Spectroscopy of two coincident charged particles emitted following bound pion absorption in 12C, 59Co and 197Au |
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| Authors: | U Sennhauser W Dey H-J Pfeiffer HK Walter HS Pruys FW Schlepütz R Engfer R Hartmann EA Hermes P Heusi HP Isaak WHA Hesselink |
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| Institution: | Laboratorium für Hochenergiephysik der ETH Zürich, c/o SIN, CH-5234 Villigen, Switzerland;Physik Institut der Universität Zürich, CH-8001 Zürich, Switzerland;Natuurkundig Laboratorium van de Vrije Universiteit, Amsterdam, The Netherlands |
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| Abstract: | Energy spectra and angular distributions of two coincident charged particles emitted following stopped negative pion absorption in 12C, 59Co and 197Au were measured. Most of the data can be understood within the framework of a pair absorption model including final-state interactions. Ground-state transitions in the missing mass spectra of 4H and 4He deduced from the αα and tα spectra of 12C, respectively, show that reactions involving a large part of the nucleus also occur. |
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| Keywords: | Nuclear reactions |
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