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Photoproduction of Neutral Pions at Energies 600 to 800 Mev

Worlock, R. M. (1960) Photoproduction of Neutral Pions at Energies 600 to 800 Mev. Physical Review, 117 (2). pp. 537-543. ISSN 0031-899X. http://resolver.caltech.edu/CaltechAUTHORS:WORpr60

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Abstract

The photoproduction of neutral π mesons from hydrogen has been studied at the California Institute of Technology Synchrotron Laboratory by detecting recoil protons from a liquid hydrogen target irradiated by the synchrotron bremsstrahlung beam. The recoil protons were detected by a five-counter telescope. Data were taken at proton laboratory angles of 19°, 30°, 40°, 50°, and 60° at proton energies corresponding to photon energies of 600, 700, and 800 Mev. Angular distribution data are produced at these three energies and fitted with functions of the form: A+Bcosθπ′+Ccos^2θπ′. These functions are qualitatively like those at lower energies; B is small and -A/C is roughly 1.25. The total cross section is found to have a minimum at about 600 Mev, being slightly larger at 700 and 800 Mev.


Item Type:Article
Related URLs:
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http://dx.doi.org/10.1103/PhysRev.117.537DOIUNSPECIFIED
http://link.aps.org/abstract/PR/v117/p537PublisherUNSPECIFIED
Additional Information:© 1960 The American Physical Society. Received 11 August 1959. The author wishes to thank Professor Alvin V. Tollestrup, Professor Arthur B. Clegg, and Professor Robert L. Walker for their helpful suggestions and assistance during the design, execution, and analysis of this experiment. The continual interest and support of Professor Robert F. Bacher is gratefully acknowledged. This work was supported in part by the U.S. Atomic Energy Commission.
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Atomic Energy CommissionUNSPECIFIED
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Deposited On:29 Oct 2008 03:22
Last Modified:26 Dec 2012 10:28

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