Published July 18, 1985 | Version v1
Journal article

First observation of K X-rays from panti p atoms

  • 1. Paris-11 Univ., 91 - Orsay (France). Lab. de l'Accelerateur Lineaire
  • 2. Zurich Univ. (Switzerland)
  • 3. European Organization for Nuclear Research, Geneva (Switzerland)
  • 4. British Columbia Univ., Vancouver (Canada)
  • 5. Victoria Univ., British Columbia (Canada)
  • 6. British Columbia Univ., Vancouver (Canada). TRIUMF Facility
  • 7. Muenchen Univ. (Germany, F.R.)
  • 8. Mainz Univ. (Germany, F.R.)

Description

K and L series X-rays have been observed from panti p atoms formed in hydrogen gas at NTP in association with annihilations into neutral particles. The total K X-ray yield is (6.5+-3.2).10-3 per stopped antiproton. A model-dependent fit of the K X-ray spectrum gives a Ksub(α) energy of 8.9+-0.3 keV, corresponding to a strong interaction shift of (-0.5+-0.3) keV. (orig.)

Additional details

Publishing Information

Journal Title
Phys. Lett., B
Journal Volume
157
Journal Issue
4
Series
CODEN: PYLBA.;Phys. Lett., B.
Journal Page Range
333-339
ISSN
0370-2693

Optional Information

Collaborations
ASTERIX Collaboration.