Dzierba, A. R. and Ford, W. T. and Gomez, R. and Oddone, P. J. and Peck, C. W. and Rosenfeld, C. and Ely, R. P. and Grether, D. F. (1973) Measurement of π-p Elastic Scattering at 14.15 GeV/c. Physical Review D, 7 (3). pp. 725-729. ISSN 0556-2821 http://resolver.caltech.edu/CaltechAUTHORS:DZIprd73
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Results are presented of a wire-spark-chamber spectrometer measurement of the differential cross section for π-p elastic scattering at 14.15 GeV/^c. The region covered in the square of the four-momentum transfer, t, is 0.01<-t<0.78 (GeV/c)^2. The cross section is found to obey very nearly a simple exponential t dependence with no evidence of structure. A fit to the data of the form dσ/dt∝exp(bt+ct2) on the range 0.05<-t<0.78 (GeV/c)^2 (i.e., above the region affected by Coulomb scattering) yields b=8.26±0.10 (GeV/c)^2 and c=1.01±0.17 (GeV/c)^-4. Considering the results of previous measurements, b≃11 (GeV/c)^-2 for -t<0.05 (GeV/c)^2, a deviation from the simple exponential near -t≃0.05 (GeV/c)^2 is indicated.
|Additional Information:||©1973 The American Physical Society Received 7 August 1972 We would like to thank the staff of the Stanford Linear Accelerator Center for their support in setting up the experiment and for the excellent operation of the accelerator. In particular, we thank Dr. J. J. Murray for his very substantial assistance both in designing the beam and in making it operational.|
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|Deposited On:||05 Oct 2006|
|Last Modified:||26 Dec 2012 09:04|
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