Hard exclusive electroproduction of decuplet baryons in the large Nc limit

被引：78

作者：

Frankfurt, LL ^{[1
]}

Polyakov, MV

Strikman, M

Vanderhaeghen, M

机构：

[1] Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel

[2] Petersburg Nucl Phys Inst, Gatchina 188350, Russia

[3] Ruhr Univ Bochum, Inst Theoret Phys 2, D-44780 Bochum, Germany

[4] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[5] Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.84.2589

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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 fur the reliable extraction of the: pion form factor from pion electroproduction is explained.

引用

页码：2589 / 2592

页数：4

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