Roy , S. M. (1979) Apparent violation of unitarity in elastic π−p scattering Physical Review Letters, 43 (1). pp. 19-22. ISSN 0031-9007
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Official URL: http://link.aps.org/doi/10.1103/PhysRevLett.43.19
Related URL: http://dx.doi.org/10.1103/PhysRevLett.43.19
Abstract
We deduce that if f(cosθ) has nonnegative partial waves, then [f(cosθ)/f(1)]2 <∼1/3+⅔ f(½(3cos2θ−1))/f(1) for −1<∼cosθ<∼1. Applying this, we show that recent determinations of the π−p slope parameter for |t|<∼0.04 (GeV/c)2 at 100 GeV/c at CERN, together with those at larger |t| at Fermilab, imply a substantial violation of unitarity, though each determination by itself is consistent with unitarity.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 42861 |
| Deposited On: | 07 Jun 2011 05:59 |
| Last Modified: | 07 Jun 2011 05:59 |
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