Electromagnetic dissociation of relativistic Si via giant dipole resonance
Conference
·
OSTI ID:10169861
- Pittsburgh Univ., PA (United States). Dept. of Physics and Astronomy
A detailed study of the electromagnetic dissociation of {sup 28}Si in extremely peripheral collisions at 14.6 GeV/nucleon was carried out with {sup 28}Si projectiles interacting on Pb, Sn, Cu and Al targets. The excitation energy is determined by measurements of the invariant mass of the excited system. We examine the decay channels 1p+{sup 27}Al, l+{sup 27}Si and 2p+{sup 26}Mg. The excitation energy distributions are well reproduced by combining the photon spectrum calculated using the Weizsaecker-Williams approximation with the experimental data on the photonuclear cross sections. No evidence for double photon excitation of {sup 28}Si is observed.
- Research Organization:
- Brookhaven National Lab., Upton, NY (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States); National Science Foundation, Washington, DC (United States)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 10169861
- Report Number(s):
- BNL--49936; CONF-930867--5; ON: DE94015729
- Country of Publication:
- United States
- Language:
- English
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