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Title: New perspectives in multi-nucleon pion absorption on light nuclei

Abstract

Multinucleon absorption cross sections have been measured in {sup 3}He and {sup 4}He with three unbound, energetic nucleons in the final state. The ratios of the different 3NA cross sections are difficult to understand in terms of only two-step processes. Similar difficulties appear in the decomposition of the 3NA yield into mechanisms. Although a part of this yield is identified to be due to two-step processes, a large fraction is well described by a simple phase space model. (AIP)

Authors:
;  [1];  [2]; ; ; ; ;  [3]; ; ; ;  [1];  [4]; ; ; ; ; ;  [5]; more »;  [6] « less
  1. University of Basel, CH-4056 Basel (Switzerland)
  2. (Switzerland)
  3. University of Zagreb, HR-10000 Zagreb (Croatia)
  4. University of Maryland, College Park, Maryland 20742 (United States)
  5. Paul Scherrer Institute, CH-5232 Villigen PSI (Switzerland)
  6. Old Dominion University, Norfolk, Virginia 23529 (United States) (and others)
Publication Date:
OSTI Identifier:
21175458
Resource Type:
Journal Article
Journal Name:
AIP Conference Proceedings
Additional Journal Information:
Journal Volume: 412; Journal Issue: 1; Conference: 6. conference on the intersections of particle and nuclear physcis, Big Sky, MT (United States), 25 May - 2 Jun 1997; Other Information: DOI: 10.1063/1.54366; (c) 1997 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-243X
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ABSORPTION; CROSS SECTIONS; FINAL-STATE INTERACTIONS; HELIUM 3; HELIUM 3 TARGET; HELIUM 4; HELIUM 4 TARGET; NUCLEONS; PHASE SPACE; PION REACTIONS; PIONS

Citation Formats

Lehmann, A., Weyer, H. J., Paul Scherrer Institute, CH-5232 Villigen PSI, Androic, D., Bosnar, D., Furic, M., Petkovic, T., Planinic, M., Backenstoss, G., Koehler, J., Kroedel, M., Wildi, M., Breuer, H., Doebbeling, H., Ingram, C. H. Q., Koch, K., Kotlinski, B., Michaelian, K., Sennhauser, U., Dooling, T., and Klein, A. New perspectives in multi-nucleon pion absorption on light nuclei. United States: N. p., 1997. Web. doi:10.1063/1.54366.
Lehmann, A., Weyer, H. J., Paul Scherrer Institute, CH-5232 Villigen PSI, Androic, D., Bosnar, D., Furic, M., Petkovic, T., Planinic, M., Backenstoss, G., Koehler, J., Kroedel, M., Wildi, M., Breuer, H., Doebbeling, H., Ingram, C. H. Q., Koch, K., Kotlinski, B., Michaelian, K., Sennhauser, U., Dooling, T., & Klein, A. New perspectives in multi-nucleon pion absorption on light nuclei. United States. doi:10.1063/1.54366.
Lehmann, A., Weyer, H. J., Paul Scherrer Institute, CH-5232 Villigen PSI, Androic, D., Bosnar, D., Furic, M., Petkovic, T., Planinic, M., Backenstoss, G., Koehler, J., Kroedel, M., Wildi, M., Breuer, H., Doebbeling, H., Ingram, C. H. Q., Koch, K., Kotlinski, B., Michaelian, K., Sennhauser, U., Dooling, T., and Klein, A. Tue . "New perspectives in multi-nucleon pion absorption on light nuclei". United States. doi:10.1063/1.54366.
@article{osti_21175458,
title = {New perspectives in multi-nucleon pion absorption on light nuclei},
author = {Lehmann, A. and Weyer, H. J. and Paul Scherrer Institute, CH-5232 Villigen PSI and Androic, D. and Bosnar, D. and Furic, M. and Petkovic, T. and Planinic, M. and Backenstoss, G. and Koehler, J. and Kroedel, M. and Wildi, M. and Breuer, H. and Doebbeling, H. and Ingram, C. H. Q. and Koch, K. and Kotlinski, B. and Michaelian, K. and Sennhauser, U. and Dooling, T. and Klein, A.},
abstractNote = {Multinucleon absorption cross sections have been measured in {sup 3}He and {sup 4}He with three unbound, energetic nucleons in the final state. The ratios of the different 3NA cross sections are difficult to understand in terms of only two-step processes. Similar difficulties appear in the decomposition of the 3NA yield into mechanisms. Although a part of this yield is identified to be due to two-step processes, a large fraction is well described by a simple phase space model. (AIP)},
doi = {10.1063/1.54366},
journal = {AIP Conference Proceedings},
issn = {0094-243X},
number = 1,
volume = 412,
place = {United States},
year = {1997},
month = {5}
}