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Hard exclusive electroproduction of decuplet baryons in the large N(c) limit
Frankfurt1, Polyakov, Strikman
1School of Physics and Astronomy, Tel Aviv University, 69978 Tel Aviv, Israel.
Physical Review Letters
|October 4, 2000
Abstract:
The cross sections and transverse spin asymmetries in the hard exclusive electroproduction of decuplet baryons are calculated in the large N(c) limit and found to be comparable to that of octet baryons. Large N(c) selection rules for the production amplitudes are derived, leading to new sensitive tests of the spin aspects of the QCD chiral dynamics both in the nonstrange and strange sectors. Importance of such studies for the reliable extraction of the pion form factor from pion electroproduction is explained.