An evaluation of alpha particle clustering in heavy nuclei

Hogan, James J.

doi:10.1007/bf01413074

Cited by 3 publications

(1 citation statement)

References 28 publications

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“…It has been shown [1] that it is this region which tests the pre-equilibrium emission of alpha clusters. The agreement achieved is indicative of the ability of the model to predict accurately both the extent of the presence of these clusters [4][5][6]18] and their probability of emission.…”

Section: A 481i Reactionsmentioning

confidence: 87%

Emission of alpha particles in the interaction of 10?85 MeV protons with48,50Ti

et al. 1981

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The excitation functions of twenty nuclear reactions induced by protons of up to 85 MeV incident upon 48Ti and S~ targets have been measured. Most of these involve the emission of one to three alpha particles. The Exciton model has been used to calculate these excitation functions. An expanded and more precise treatment of nucleon-alpha scattering has been incorporated into the model. It is presented and the implications of its predictions discussed. The agreement of experiment and calculation is very good lending support to the approach to alpha particle interactions introduced in this work.Nuclear Reactions: 48Ti(p, xnypzcO, S~ xnypze), x =0-7, y=2-6, z=0-3; measured a(E). Calculated a(E). 48Ti, 5~ enriched targets.

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Section: A 481i Reactionsmentioning

confidence: 87%

Emission of alpha particles in the interaction of 10?85 MeV protons with48,50Ti

et al. 1981

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Mechanism of cluster emission in nucleon-induced preequilibrium reactions

1982

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Effects of level density in the cross sections of (α, xn), (α, pxn), (α, 2pxn) and (α, αxn) reactions in ¹⁹⁷Au, ¹⁸¹Ta, ^natIn and ⁹³Nb and pre-equilibrium analysis

Singh

Mukherjee

2009

Can. J. Phys.

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Excitation functions are measured for α-particle-induced reactions on 197Au, 181Ta, natIn, and 93Nb in the energy region 18 to 60 MeV using the activation method and γ-ray spectrometry. The experimental results are compared with semiclassical model codes, STAPRE, ALICE-91, and COMPLET. These models take into account compound nuclei as well as pre-equilibrium emissions. The angular momentum removal effects have also been included in the COMPLET code. The Monte Carlo simulation code PACE4 is also employed for the calculations of equilibrium cross sections. In the case of neutron emission channels, both the model codes give fairly good agreement. The COMPLET code on the other hand, explains the α-particle emission channels in a more convincing manner.

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An evaluation of alpha particle clustering in heavy nuclei

Cited by 3 publications

References 28 publications

Emission of alpha particles in the interaction of 10?85 MeV protons with48,50Ti

Emission of alpha particles in the interaction of 10?85 MeV protons with48,50Ti

Mechanism of cluster emission in nucleon-induced preequilibrium reactions

Effects of level density in the cross sections of (α, xn), (α, pxn), (α, 2pxn) and (α, αxn) reactions in ¹⁹⁷Au, ¹⁸¹Ta, ^natIn and ⁹³Nb and pre-equilibrium analysis

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An evaluation of alpha particle clustering in heavy nuclei

Cited by 3 publications

References 28 publications

Emission of alpha particles in the interaction of 10?85 MeV protons with48,50Ti

Emission of alpha particles in the interaction of 10?85 MeV protons with48,50Ti

Mechanism of cluster emission in nucleon-induced preequilibrium reactions

Effects of level density in the cross sections of (α, xn), (α, pxn), (α, 2pxn) and (α, αxn) reactions in 197Au, 181Ta, natIn and 93Nb and pre-equilibrium analysis

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Effects of level density in the cross sections of (α, xn), (α, pxn), (α, 2pxn) and (α, αxn) reactions in ¹⁹⁷Au, ¹⁸¹Ta, ^natIn and ⁹³Nb and pre-equilibrium analysis