Helicity-dependent angular distributions in double-charged-pion photoproduction
Conference
·
OSTI ID:824735
Two-pion photoproduction in the reaction {gamma}p {yields} p{pi}{sup +} {pi}{sup -} has been studied at Jefferson Lab Hall B using a circularly-polarized tagged photon beam in the energy range between 0.6 GeV and 2.3 GeV. Owing to the large angular acceptance of the CLAS detector, complete beam-helicity-dependent angular distributions of the final-state particles were measured. The large cross-section asymmetries exhibit strong sensitivity to the kinematics of the reaction and provide valuable information on the reaction dynamics. Preliminary results are presented.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 824735
- Report Number(s):
- JLAB-PHY-03-25; DOE/ER/40150-2702; nucl-ex/0308030
- Country of Publication:
- United States
- Language:
- English
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