Precision Measurement of Lambda --> e nu p Decay Parameters

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Recent progress in gauge theory of the weak and electromagnetic interactions provides a motivation for improving the data on hyperon beta decays. The Fermilab neutral hyperon beam is capable of producing a sample of {Lambda} {beta}-decays at least an order of magnitude larger than that used in existing world averages per beam day. The experiment can be performed with the apparatus already in place for Experiment 8. Hadron rejection sufficient for the purposes of the experiment can be obtained by operating the E8 lead glass Cherenkov counter in the manner described by Appel et al for the study of direct ... continued below

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Bunce, G.; Handler, R.; March, R.; Pondrom, L.; Sheaff, M.; /Wisconsin U., Madison et al. November 1, 1974.

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Recent progress in gauge theory of the weak and electromagnetic interactions provides a motivation for improving the data on hyperon beta decays. The Fermilab neutral hyperon beam is capable of producing a sample of {Lambda} {beta}-decays at least an order of magnitude larger than that used in existing world averages per beam day. The experiment can be performed with the apparatus already in place for Experiment 8. Hadron rejection sufficient for the purposes of the experiment can be obtained by operating the E8 lead glass Cherenkov counter in the manner described by Appel et al for the study of direct lepton production. The experimental setup is compatible with that for the E8 {Lambda}p total cross section, so it can be run as a short (2-3 week) extension of this run.

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  • Report No.: FERMILAB-PROPOSAL-0361
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/910474 | External Link
  • Office of Scientific & Technical Information Report Number: 910474
  • Archival Resource Key: ark:/67531/metadc879419

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  • November 1, 1974

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 30, 2016, 5:10 p.m.

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Bunce, G.; Handler, R.; March, R.; Pondrom, L.; Sheaff, M.; /Wisconsin U., Madison et al. Precision Measurement of Lambda --> e nu p Decay Parameters, report, November 1, 1974; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc879419/: accessed November 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.