$mu$-MESONIC X RAYS IN THE IRON REGION
Journal Article
·
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
The energies and intensities of the mu -mesonic K x rays emitted as muons cascade down through the Bohr orbits of Al, K, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, and Zn were measured as well as the time distribution of Ka x rays from Fe, using a NaI spectrometer. This was done to ascertain whether anomaly in the emission of the x rays could help explain the anomalously high muon decay rates reported by Yovanovitch. Such an effect could be explained if for some reason the muons were delayed in reaching the is atomic level in a time short compared with their lifetime for capture and decay. No effects of magnitude great enough to explain the decay rate anomaly were discovered. The K/sub alpha / x-ray energies were found to be somewhat higher than those calculated by Ford and Wills. The x-ray yields from the elements studied were found to be close to 100%. From the time distribution of K/sub alpha / x rays emitted by Fe, an upper limit of 4 x 10/sup -9/ sec was set for the mean life of the muons in reaching the 1s level. (auth)
- Research Organization:
- Univ. of Chicago
- NSA Number:
- NSA-16-015692
- OSTI ID:
- 4792950
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 125; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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