Experimental Test of Time-Reversal Invariance in Strong Interactions

Experimental Test of Time-Reversal Invariance in Strong Interactions

A comparison of the polarization (P) and the asymmetry (A) in the scattering of protons by nuclei can be used as a lest of invariance under Wigner time reversal in the nuclear interaction. P and A were independently measured in p-p scattering at 210 Mev and 3O deg c.m. A liquid hydrogen target of th...

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Veröffentlicht in:Phys. Rev. Letters 1958-10, Vol.1 (7), p.255-256
Hauptverfasser: Abashian, A., Hafner, E. M.
Format: Artikel
Sprache:eng
Schlagworte:
ENERGY RANGE
INTERACTIONS
PHYSICS
STRONG INTERACTIONS
TIME REVERSALprr
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Zusammenfassung:A comparison of the polarization (P) and the asymmetry (A) in the scattering of protons by nuclei can be used as a lest of invariance under Wigner time reversal in the nuclear interaction. P and A were independently measured in p-p scattering at 210 Mev and 3O deg c.m. A liquid hydrogen target of thickness 0.8 g/cm/sup 2/ was used, and carbon was employed both as a polarizer in the A measurement and as an analyzer in the P measurement. Results yield values of A = 0.305 plus or minus 0.005 and P = 0.279 plus or minus 0.017. (W.D.M.)
ISSN:0031-9007
DOI:10.1103/PhysRevLett.1.255