Proposal to study 50,000 Sigman- n multiprong events at 240-GeV/c by means of the 15 foot bubble chamber

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In contrast to the large amount of data accumulated in non strange baryon-baryon interactions, there is only a limited amount of information available on {Sigma}N interactions. As a {Sigma}{sup -}p experiment at 240 GeV/c has already been approved with the 15', we propose to complete this experiment by studying the {Sigma}{sup -}n interactions at the same incident momentum. This will allow us to make a comparison between {Sigma}{sup -}n and {Sigma}{sup -}p reactions and to detect thus the isospin influence on the {Sigma}N interactions. Furthermore, as previous bubble chamber experiments at FNAL have shown that four constraint reactions can be ... continued below

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Braun, H.; Brick, D.; Fridaman, A.; Gerberm, J.P.; Jegham, E.; Juillot, P. et al. January 1, 1975.

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In contrast to the large amount of data accumulated in non strange baryon-baryon interactions, there is only a limited amount of information available on {Sigma}N interactions. As a {Sigma}{sup -}p experiment at 240 GeV/c has already been approved with the 15', we propose to complete this experiment by studying the {Sigma}{sup -}n interactions at the same incident momentum. This will allow us to make a comparison between {Sigma}{sup -}n and {Sigma}{sup -}p reactions and to detect thus the isospin influence on the {Sigma}N interactions. Furthermore, as previous bubble chamber experiments at FNAL have shown that four constraint reactions can be studied, the use of a neutron target will give us access to four constraint final states which cannot be obtained from the {Sigma}{sup -}p experiment. The utilization of a deuteron target will of course complicate somewhat the data analysis. Nevertheless this is a convenient method to study the pure 1=3/2 EN isospin state as {Sigma}{sup +}p experiments are more difficult to carry out than {Sigma}{sup -}n. In a first step we would like to have a statistics corresponding to 50,000 multiprong events, i.e., events having more than two prongs.

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10 pages

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  • Report No.: FERMILAB-PROPOSAL-0432
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/915564 | External Link
  • Office of Scientific & Technical Information Report Number: 915564
  • Archival Resource Key: ark:/67531/metadc890480

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  • January 1, 1975

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 30, 2016, 6:56 p.m.

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Braun, H.; Brick, D.; Fridaman, A.; Gerberm, J.P.; Jegham, E.; Juillot, P. et al. Proposal to study 50,000 Sigman- n multiprong events at 240-GeV/c by means of the 15 foot bubble chamber, report, January 1, 1975; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc890480/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.