HELICITY OF $mu$-MESONS FROM $pi$-MESON DECAY
Journal Article
·
· Phys. Rev. Letters
The helicity (H) of mu /sup -/ mesons produced in the decay of a beam of 12.1 Bev/c pi mesons is measured. A longitudinally polarized mu - beam strikes an iron target whose electrons are polarized magnetically. The spin dependence of the differential cross section for the mu /sup -/-electron interaction is measured by reversing the electron polarization (and spin). By energy analysis of the knock-on electrons, a calculated value of H = +1.17 plus or minus 0.32 is obtained. This value is in agreement with the predicted value of H = +1. (T.F.H.)
- Research Organization:
- CERN, Geneva
- NSA Number:
- NSA-15-017513
- OSTI ID:
- 4032564
- Journal Information:
- Phys. Rev. Letters, Journal Name: Phys. Rev. Letters Vol. Vol: 6
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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