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22 August 2017

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YN scattering data: AL61

Authors: Gideon Alexander, Jared A. Anderson, Frank S. Crawford Jr., William Laskar, Lester J. Lloyd
Reference: Phys. Rev. Lett. 7 (1961), 348.
Group: LRL

The experiment:

The reactions Λ p → Λ p and Λ p → Σ0 p have been examined in a sample of 5000 Λ particles produced in the Alvarez 72-inch hydrogen bubble chamber.

The data:

Λ p → Λ p total elastic cross section (SGT)
momentum range      number of     SGT [mb]
    [MeV/c]          events

  400 -  638            7       24.7 +/- 9.3
  639 - 1000            7       20.4 +/- 7.7
or
momentum range      number of     SGT [mb]
    [MeV/c]          events

  400 - 1000           14       22.3 +/- 5.9
F/B ratio
momentum range      number of      F/B
    [MeV/c]          events

  400 - 1000           14       1.0 +/- 0.5
P/E ratio
momentum range      number of      P/E
    [MeV/c]          events

  400 - 1000           14       1.8 +/- 1.0
Λ p → Σ0 p total elastic cross section (SGT)
momentum range      number of     SGT [mb]
    [MeV/c]          events

  639 - 1000            3       8.5 +/- 4.9

Notes:


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