Nucleon pairing in μ- capture by 40Ca

Martoff, C. J. and Cummings, W. J. and Poanić, D. and Hanna, S. S. and Ullrich, H. and Furić, Miroslav and Petković, Tomislav and Kozlowski, T. and Perroud, J. P. (1991) Nucleon pairing in μ- capture by 40Ca. Physical Review C, 43 (3). pp. 1106-1110. ISSN 0556-2813

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Spectra of energetic protons above 35 MeV have been measured following negative muon capture from rest in Ca. The spectrum extends to the kinematic limit near 93 MeV, with a branching ratio of (2.3±0.3)×10-4 per capture above 40 MeV. Nuclear cascade calculations of the proton and neutron spectra in this energy region are presented and are consistent with the measured proton spectrum when capture on correlated pp and np pairs in the nucleus is included. The ratio of capture on np to pp pairs is 6.7±1.6, which is consistent with results from pion capture.

Item Type: Article
Date: March 1991
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (1991) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 19 May 2014 19:26
Last Modified: 19 May 2014 19:26

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