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SEARCH FOR T-VIOLATION IN THE INELASTIC SCATTERING OF ELECTRONSFROM A POLARIZED PROTON TARGET

Description: The authors have searched for an asymmetry in the inelastic scattering of electrons from a polarized proton target in the region of resonance excitation, at values of four-momentum transfer squared of 0.4, 0.6 and 1.0 (GeV/c){sup 2}. Data were also taken using an incident positron beam in order to distinguish any possible effect of time-reversal violation from that due to higher-order ({alpha}{sup 3}) contributions to the scattering. No sizeable violation of time-reversal invariance was found.
Date: March 1, 1970
Creator: Rock, Stephen; Borghini, Michel; Chamberlain, Owen; Fuzesy,Raymond Z.; Morehouse, Charles C.; Powell, Thomas et al.
Partner: UNT Libraries Government Documents Department

Proposal for a search for magnetic monopoles at NAL

Description: The discovery of a magnetic monopole would be an important experimental result. It would give a reason for the phenomenon of exact electric charge quantization that is not explained yet any other way. Schwinger's dyon theory makes monopoles even more important because they would also be the quarks, i.e., the building blocks of the hadrons. Schwinger's scheme requires the electric charge of the monopoles to be a multiple of 1/3 of the electron charge while all magnetically neutral particles must have electric charges equal to an integer times the electron charge. Monopoles would be also responsible for CP violations.
Date: May 1, 1970
Creator: Alvarez, L.W.; Eberhard, P.H.; Ross, R.R.; /LBL, Berkeley; Watt, R.D. & /SLAC
Partner: UNT Libraries Government Documents Department

Muon - proton inelastic scattering

Description: This experiment will examine muon-proton inelastic scattering for virtual-photon energies of 10 to 110 GeV and for |q{sup 2}| values of 0.2 to 20.0 (GeV/c){sup 2}. The virtual-photon total cross sections {sigma}{sub t} + {epsilon}{sigma}{sub s}, or the equivalent expression in W{sub 1} and W{sub 2}, will be measured over this range of virtual-photon energies and q{sup 2} values. Some separation of {sigma}{sub T} and {sigma}{sub S}, or equivalently W{sub 1} and W{sub 2}, will be made. The multiplicity, momentum spectra and angular spectra of the charged hadrons produced in this reaction will be measured. Some channels such as {mu} + P {yields} {mu} + P + P{sup 0} will be isolated and completely analyzed. The experiment uses a hydrogen target, wire spark chambers and an analyzing magnet of conventional design.
Date: May 1, 1970
Creator: Dieterle, B.; Lakin, W.; Martin, F.; Perl, M.; Petraske, E.; Tenebaum, J. et al.
Partner: UNT Libraries Government Documents Department