Particle decay of the isoscalar giant dipole resonance in Pb-208
- Hunyadi, M
- Baumer, C
- van den Berg, AM
- Blasi, N
- Csatlos, M
- Csige, L
- Davids, B
- Garg, U
- Gulyas, J
- Harakeh, MN
- de Huu, M
- Junk, BC
- Krasznahorkay, A
- Sohler, D
- Wortche, HJ
Publication date
February 2004
DOIAbstract
The direct particle decay of the isoscalar giant dipole resonance (ISGDR) has been studied in Pb-208 using the (alpha,alpha'p) and (alpha,alpha'n) reactions at a bombarding energy of 200 MeV. The direct-decay channels of proton and neutron emissions were observed in coincidence with the scattered a-particles in order to study the population of proton-hole states in Tl-207 and neutron-hole states in Pb-207. The results of the partial and total branching ratios allowed us to test recently performed continuum-RPA (CRPA) calculations for the ISGDR and thereby to learn about its microscopic structure.</p
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