Measurement of Polarization in Pi- P Elastic Scattering from 229TO 3 90 MeV.
Measurement of Polarization in Pi- P Elastic Scattering from 229TO 3 90 MeV.

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Published: 1967

Total Pages: 30

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The polarization parameter in elastic [pi]−p scattering has been measured, at the Berkeley 184 synchrocyclotron, l with the use of a polarized proton target. At 318, 337 and 390 Mev incident pion kinetic energy, the angular range from 70{sup o} to 180{sup o} in the center of mass system was covered. At 229 Mev polarization measurements were made in the angular range 150{sup o} to 180{sup o}. Phase shift analyses using these and other published data were made at the two lowest energies.

Measurement of the Polarization Parameter for the Reaction $pi$$sup - $p$Yields$$pi$$sup 0$n Between 1.03 and 1.79 GeV/c
Measurement of the Polarization Parameter for the Reaction $pi$$sup - $p$Yields$$pi$$sup 0$n Between 1.03 and 1.79 GeV/c

Author:

Publisher:

Published: 1973

Total Pages:

ISBN-13:

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From 2nd international conference on elementary particles; Aixen- Provence, France (6 Sep 1973). Measurements of the polarization parameter for the reaction pi /sup -/p yields pi /sup o/n were made at the five momenta 1.03, 1.245, 1.44, 1.5 and 1.79 GeV/c. A polarized target was used, with polarizations achieved ranging from 48 to 57%. Salient features of the experiment were the use of neutron counters for time-of-flight measurements as well as angular information and the use of optical spark chambers, seven to eight radiation lengths thick, for the detection of the gamma rays from the decay of the pi /sup o/. The center-ofmass angular range covered by the 20 neutron counters was typically --.78