Measurement of Kaonic X Rays from He-4

Nov 22, 1971
2 pages
Published in:
  • Phys.Rev.Lett. 27 (1971) 1410-1412

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Abstract: (APS)
Three spectral lines corresponding to Bohr orbit transitions n=3→2, n=4→2, and n=5→2 in liquid He4 have been measured with a resolution of 340 eV. Intensities per stopped kaon were 0.09, 0.05, and 0.02, respectively. No evidence was seen for transitions to n=1 (intensity < 0.004).