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Factorization theorems for high energy nn, \(\gamma p\) and \(\gamma\gamma\) scattering

  • theoretical physics
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Abstract.

The robustness of the factorization theorem for total cross sections, \(\sigma_{nn}/\sigma_{\gamma p}=\sigma_{\gamma p}/\sigma_{\gamma\gamma}\) for nn (the even portion of pp and \({\bar p}p\) scattering), \(\gamma p\) and \(\gamma\gamma\) scattering, originally proved by Block and Kaidalov using an eikonal formalism, is demonstrated. Factorization theorems for the nuclear slope parameter B and \(\rho\), the ratio of the real to the imaginary portion of the forward scattering amplitude, are derived under very general conditions, using analyticity and the optical theorem.

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Received: 19 February 2003, Revised: 10 July 2003, Published online: 19 September 2003

Work partially supported by Department of Energy contract DA-AC02-76-Er02289 Task D.

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Block, M.M. Factorization theorems for high energy nn, \(\gamma p\) and \(\gamma\gamma\) scattering. Eur. Phys. J. C 30, 497–501 (2003). https://doi.org/10.1140/epjc/s2003-01318-x

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  • DOI: https://doi.org/10.1140/epjc/s2003-01318-x

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