{alpha}+{alpha} scattering reexamined in the context of the Sao Paulo potential

Journal Article · Tue Mar 15 00:00:00 EDT 2011 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PHYSREVC.83.034617· OSTI ID:21499511

Chamon, L C; Gasques, L R ^[1]; Carlson, B V ^[2]

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1. Departamento de Fisica Nuclear, Instituto de Fisica da Universidade de Sao Paulo, Caixa Postal 66318, 05315-970, Sao Paulo, SP (Brazil)
2. Departamento de Fisica, Instituto Tecnologico de Aeronautica, Centro Tecnico Aeroespacial, Sao Jose dos Campos, SP (Brazil)

We have analyzed a large set of {alpha}+{alpha} elastic scattering data for bombarding energies ranging from 0.6 to 29.5 MeV. Because of the complete lack of open reaction channels, the optical interaction at these energies must have a vanishing imaginary part. Thus, this system is particularly important because the corresponding elastic scattering cross sections are very sensitive to the real part of the interaction. The data were analyzed in the context of the velocity-dependent Sao Paulo potential, which is a successful theoretical model for the description of heavy-ion reactions from sub-barrier to intermediate energies. We have verified that, even in this low-energy region, the velocity dependence of the model is quite important for describing the data of the {alpha}+{alpha} system.

• OSTI ID: 21499511
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 83, Issue 3; Other Information: DOI: 10.1103/PhysRevC.83.034617; (c) 2011 American Institute of Physics; ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA PARTICLES
CROSS SECTIONS
ELASTIC SCATTERING
HEAVY ION REACTIONS
INTERACTIONS
ION-ION COLLISIONS
MEV RANGE
OPTICAL MODELS
SIMULATION
CHARGED PARTICLES
COLLISIONS
ENERGY RANGE
ION COLLISIONS
IONIZING RADIATIONS
MATHEMATICAL MODELS
NUCLEAR REACTIONS
RADIATIONS
SCATTERING