Coulomb suppression in the low-energy p-p elastic scattering via the Trojan Horse Method
Journal Article
·
· AIP Conference Proceedings
- Laboratori Nazionali del Sud-INFN, via S. Sofia 62, 95123 Catania, Italy and Dipartimento di Metodologie Fisiche e Chimiche per l'Ingegneria, Universita di Catania (Italy)
- Cyclotron Institute, Texas A and M University, College Station (United States)
- Dipartimento di Scienze Fisiche-Universita Federico II, Napoli (Italy)
- ATOMKI-Debrecen (Hungary)
- INFN-Sezione di Napoli (Italy)
We present here an important test of the main feature of the Trojan Horse Method (THM), namely the suppression of Coulomb effects in the entrance channel due to off-energy-shell effects. This is done by measuring the THM p-p elastic scattering via the p+d{yields}p+p+n reaction at 4.7 and 5 MeV, corresponding to a p-p relative energy ranging from 80 to 670 keV. In contrast to the on-energy-shell (OES) case, the extracted p-p cross section does not exhibit the Coulomb-nuclear interference minimum due to the suppression of the Coulomb amplitude. This is confirmed by the half-off-energy shell (HOES) calculations and strengthened by the agreement with the calculated OES nuclear cross sections.
- OSTI ID:
- 21506845
- Journal Information:
- AIP Conference Proceedings, Vol. 1304, Issue 1; Conference: Carpathian summer school of physics - Exotic nuclei and nuclear/particle astrophysics (III): From nuclei to stars, Sinaia (Romania), 20 Jun - 3 Jul 2010; Other Information: DOI: 10.1063/1.3527202; (c) 2010 American Institute of Physics; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
AMPLITUDES
ATOM COLLISIONS
CROSS SECTIONS
ELASTIC SCATTERING
ELECTRIC POTENTIAL
INTERFERENCE
MEV RANGE 01-10
PROTON-NEUTRON INTERACTIONS
PROTON-PROTON INTERACTIONS
SIMULATION
BARYON-BARYON INTERACTIONS
COLLISIONS
ENERGY RANGE
HADRON-HADRON INTERACTIONS
INTERACTIONS
MEV RANGE
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PROTON-NUCLEON INTERACTIONS
SCATTERING
AMPLITUDES
ATOM COLLISIONS
CROSS SECTIONS
ELASTIC SCATTERING
ELECTRIC POTENTIAL
INTERFERENCE
MEV RANGE 01-10
PROTON-NEUTRON INTERACTIONS
PROTON-PROTON INTERACTIONS
SIMULATION
BARYON-BARYON INTERACTIONS
COLLISIONS
ENERGY RANGE
HADRON-HADRON INTERACTIONS
INTERACTIONS
MEV RANGE
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PROTON-NUCLEON INTERACTIONS
SCATTERING