McKeown, R. D. and Sanders, S. J. and Schiffer, J. P. and Jackson, H. E. and Paul, M. and Specht, J. R. and Stephenson, E. J. (1980) How many nucleons are involved in pion absorption in nuclei? Physical Review Letters, 44 (16). pp. 1033-1036. ISSN 0031-9007. doi:10.1103/PhysRevLett.44.1033. https://resolver.caltech.edu/CaltechAUTHORS:MCKprl80
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Abstract
The proton yields from the interaction of pions on nuclear targets with 12<~A<~181 were measured in the region of the Δ(3, 3) resonance. The shift in proton energies with angle is analyzed in terms of the average number of nucleons that have participated in absorbing the pion's momentum and total energy. The effective number of interacting nucleons, for both π+ and π- incident, is found to be ∼3 for 12C and increasing to ∼5.5 for 181Ta. These effective numbers of nucleons are also consistent with the ratio of proton yields from π+- and π--induced reactions.
| Item Type: | Article | ||||||
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| Additional Information: | ©1980 The American Physical Society. Received 30 January 1980. The authors would like to thank J. Worthington for his help in setting up the experiment and J. Groner and G. Pulawski for their assistance in the data reduction. This work was performed under the auspices of the U. S. Department of Energy. | ||||||
| Issue or Number: | 16 | ||||||
| DOI: | 10.1103/PhysRevLett.44.1033 | ||||||
| Record Number: | CaltechAUTHORS:MCKprl80 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:MCKprl80 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 6083 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 17 Nov 2006 | ||||||
| Last Modified: | 08 Nov 2021 20:31 |
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