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Coupled channel effects at near barrier energies: Coupled channel effects in Carbon induced reactions at near barrier energies

Coupled channel effects at near barrier energies: Coupled channel effects in Carbon induced reactions at near barrier energies

von Satyaranjan Santra
Taschenbuch - 9783848494484
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Beschreibung

Study of heavy ion collisions around the Coulomb barrier offers the opportunity of observing spectacular effects (e.g., strong energy dependence of the optical potential, enhancement of sub-barrier fusion cross section, etc.) due to the mechanisms of coupled reaction channels (CRC). In the present dissertation, systematic measurements and analysis of elastic, inelastic, transfer, fission, and evaporation residue cross sections for carbon induced reactions are presented. Results of CRC calculations explained all the channels simultaneously. Effective real potentials obtained from the CRC calculations are consistent with the observed energy dependence of the real potential. Threshold anomaly in reactions involving several projectiles with same target shows that the barrier shift (reduction), with respect to uncoupled barrier, increases with the projectile mass. It was found that precision fusion and barrier distribution data alone may not lead to correct description of fusion mechanism or the structure information of interacting nuclei. Thus "A simultaneous description of elastic and all non-elastic channels is a must to comment on the coupling or structure effects".

Details

Verlag LAP Lambert Academic Publishing
Ersterscheinung Mai 2012
Maße 220 mm x 150 mm x 13 mm
Gewicht 338 Gramm
Format Taschenbuch
ISBN-13 9783848494484
Auflage Nicht bekannt
Seiten 216

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