The spin and flavour dependence of high-energy photoabsorption
S.D. Bass1,2 - M.M. Brisudová3
1 Institut für Theoretische Kernphysik, Universität Bonn, Nussallee 14-16,
D-53115 Bonn, Germany
2 Max Planck Institut für Kernphysik, Postfach 103980, D-69029 Heidelberg, Germany
3 Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
Received: 23 October 1998 Communicated by W. Weise
Abstract
We analyse the low x, low Q2 polarised photoabsorption data from SLAC and use
this data to make a first estimate of the high-energy part of the Drell-Hearn-Gerasimov
sum-rule. The present status of spin dependent Regge theory is discussed.
PACS
11.55.Hx Sum rules -
12.40.Nn Regge theory, duality, absorptive/optical models -
13.60.Hb Total and inclusive cross sections (including deep inelastic processes) -
13.88.+e Polarization in interactions and scattering
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