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Experiments in a neutral hyperon beam

Description: The authors propose a survey experiment for a neutral hyperon beam, to measure production of {Lambda}{sup 0}, {bar {Lambda}}{sup 0}, {Xi}{sup 0}, {bar {Xi}}{sup 0}, K{sub 1}{sup 0} - K{sub 2}{sup 0} near zero mrad. by 200 GeV protons on complex nuclei. The detector will be sensitive to polarization of the hyperons. The same apparatus will then be used to search for {Xi}{sup 0} {yields} p{pi}{sup -} and to measure {Lambda}{sup 0} and {bar {Lambda}}{sup 0} total and diffractive elastic cross sections in hydrogen.
Date: June 1, 1970
Creator: March, R.H.; Pondrom, L.G.; /Wisconsin U., Madison; Overseth, O.E. & U., /Michigan
Partner: UNT Libraries Government Documents Department

Measurement of the sigma^o Lifetime

Description: The Coulomb production of {Sigma}{sup 0} hyperons on uranium and nickel nuclei has been measured in a beam of {Lambda} hyperons at the CERN Proton Synchrotron. The results for the {Sigma}{sup 0} lifetime, {tau}{Sigma}{sup 0} = (0.58 {+-} 0.13) x 10{sup -19} sec, and for the {Sigma}{sup 0}-{Lambda} magnetic transition moment, |{mu}{Sigma}{sub {Lambda}}| = (1.82{sub -0.18}{sup +0.25}) nuclear magnetons, are in agreement with SU(3) predictions.
Date: March 1, 1972
Creator: Devlin, T.J.; U., /Rutgers; March, R.H.; Pondrom, L.G.; U., /Wisconsin; Overseth, O.E. et al.
Partner: UNT Libraries Government Documents Department