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{beta}{sup +} decay and cosmic-ray half-lives of {sup 143}Pm and {sup 144}Pm

Description: The positron decay partial half-lives of {sup 143}Pm and {sup 144}Pm are needed to assess the viability of elemental Pm as a cosmic-ray clock. We have conducted experiments to measure the {beta}{sup +} branches of these isotopes; we find {beta}{sup +} branches of these isotopes; we find {beta}{sup +} branches of <5.7 {times}10{sup {minus}8} for {sup 143}Pm and <8{times}10{sup {minus} 7} for {sup 144}Pm. Through these branches are a factor of 20 lower than the previous experimental limits, the r… more
Date: April 12, 1993
Creator: Hindi, M. M.; da Cruz, M. T. F.; Larimer, R. M.; Lesko, K. T.; Norman, E. B.; Sur, B. et al.
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Partner: UNT Libraries Government Documents Department
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[beta][sup +] decay and cosmic-ray half-lives of [sup 143]Pm and [sup 144]Pm

Description: The positron decay partial half-lives of [sup 143]Pm and [sup 144]Pm are needed to assess the viability of elemental Pm as a cosmic-ray clock. We have conducted experiments to measure the [beta][sup +] branches of these isotopes; we find [beta][sup +] branches of these isotopes; we find [beta][sup +] branches of <5.7 [times]10[sup [minus]8] for [sup 143]Pm and <8[times]10[sup [minus] 7] for [sup 144]Pm. Through these branches are a factor of 20 lower than the previous experimental limits, the r… more
Date: April 12, 1993
Creator: Hindi, M.M. (Tennessee Technological Univ., Cookeville, TN (United States). Dept. of Physics); da Cruz, M.T.F.; Larimer, R.M.; Lesko, K.T.; Norman, E.B. (Lawrence Berkeley Lab., CA (United States)); Sur, B. (Lawrence Berkeley Lab., CA (United States) Queen's Univ., Kingston, ON (Canada). Dept. of Physics) et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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The Theory of Hadronic Systems. Annual Progress Report April 12, 1993

Description: This report briefly discusses progress on the following topics: isospin breaking in the pion-nucleon system; direct capture of pions into deeply bound atomic states; knock out of secondary components in the nucleus; study of the radii of neutron distributions in nuclei; the hadronic double scattering operator; transparency in pion production; asymmetry in pion scattering and charge exchange from polarized nuclei; the mechanism of pion absorption in nuclei; the neutron-proton charge-exchange rea… more
Date: April 12, 1993
Creator: Gibbs, William R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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