Study of the 40Ar + 68Zn reaction at 27.6

Rami, F.; Coffin, J. P.; Guillaume, G.; Heusch, B.; Wagner, P.; Fahli, Ahmed; Fintz, P.

doi:10.1016/0375-9474(85)90353-7

Cited by 43 publications

(19 citation statements)

References 27 publications

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“…This mechanism may be related to the formation of a highly excited zone of the projectile plus target system correlated with the possible fragmentation of the projectile. This conclusion is in complete agreement with those of our previous heavy fragment study [8]. The temperature of 9 MeV is in good accordance with the systematics established for lighter projectiles and heavier projectile-target systems over a large range of ingoing energies [3, 26, 3o3. …”

Section: Analysis In Terms Of Moving Sources Of Particlessupporting

confidence: 92%

“…4. It is important to notice that in the present experiment a remarkable agreement is obtained between heavy fragment [8,9] and light particle data. At angles larger than about 80 ~ , the influence of the T=2 MeV source is negligible, and thus the data corroborate the conclusion that at backward angles the light particles result essentially from the statistical decay of a fully relaxed system.…”

Section: Analysis In Terms Of Moving Sources Of Particlessupporting

confidence: 70%

“…It was a part of the experiment devoted to heavy fragment measurements and which has been described previously [8,9] The targets were prepared from rolled spheres of zinc isotopically 99% pure in 68Zn. Their thicknesses were 450gg/cm ~ for the runs at SARA and 700 gg/cm 2 for the run at GANIL.…”

Section: Experimental Methods and Resultsmentioning

confidence: 99%

“…The radius obtained using the temperatures extracted from the analysis presented in [8,9] and corresponding to the statistical decay source are shown in Fig. 8.…”

Section: Analysis With the Coalescencementioning

confidence: 99%

“…i) This system has been previously examined in great details at the same incident energies for low impact parameter reactions [8,9] and more pheripheral collisions [8,10,11] by detecting the heavy fragments. The analysis of the emitted light particles constitutes an approach complementary to the previous one.…”

Section: Introductionmentioning

confidence: 99%

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Light charged particle emission in40Ar induced reactions on68Zn at 14.6, 19.6 and 35 MeV/nucleon

Fahli¹,

Coffin²,

Guillaume³

et al. 1987

Z. Physik A - Atomic Nuclei

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The light charged particles emitted in the 4~ reaction performed at 14.6, 19.6 and 35 MeV/nucleon have been studied inclusively. The energy spectra have been analysed in terms of preequilibrium emission, moving source and coalescence models. A complete coherence between the present data and those obtained separately from heavy fragment studies is achieved. These data are consistent with the onset of projectile fragmentation between 20 and 35 MeV/nucleon correlated with the formation of a highly excited region of the nuclear system inducing light particle emission. The other sources of light particles can be interpreted as statistical and sequential decay of the quasi projectile.

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Section: Analysis In Terms Of Moving Sources Of Particlessupporting

confidence: 92%

Section: Analysis In Terms Of Moving Sources Of Particlessupporting

confidence: 70%

Section: Experimental Methods and Resultsmentioning

confidence: 99%

“…The radius obtained using the temperatures extracted from the analysis presented in [8,9] and corresponding to the statistical decay source are shown in Fig. 8.…”

Section: Analysis With the Coalescencementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Light charged particle emission in40Ar induced reactions on68Zn at 14.6, 19.6 and 35 MeV/nucleon

Fahli¹,

Coffin²,

Guillaume³

et al. 1987

Z. Physik A - Atomic Nuclei

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Origin of projectile-like fragments from40Ar +68Zn collisions between 15 and 35 MeV/nucleon: Direct transfer of nucleons and projectile fragmentation

Rami¹,

Fahli²,

Coffin³

et al. 1987

Z. Physik A - Atomic Nuclei

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The projectile-like fragments emitted in the 4~ + 68Zn reaction performed at 14.6, 19.6, 27.6 and 35 MeV/nucleon are studied. Their energy spectra and angular distributions have been measured. Velocities, widths of the linear momentum distributions and cross sections have been deduced. The results are discussed i) in terms of transfer of a few nucleons and analysed with a diffractional model. They are consistent, for stripping reactions, with a direct transfer of nucleons and a target excitation yielding multiparticlemultihole configurations, ii) In terms of projectile fragmentation-like process with a modified abrasion model taking into account the energy separation of the participant nucleons. The projectile fragmentation-like process appears above 20 MeV/nucleon and strongly competes with transfer of nucleons at 35 MeV/nucleon. The evolution of the mechanisms with incident energy is discussed on the basis of the reduced widths of the linear momentum distributions and on those of velocities and cross sections.

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On the mechanism of (HI, ? x n) reactions

Simbel

1989

Z. Physik A - Atomic Nuclei

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Study of the 40Ar + 68Zn reaction at 27.6

Cited by 43 publications

References 27 publications

Light charged particle emission in40Ar induced reactions on68Zn at 14.6, 19.6 and 35 MeV/nucleon

Light charged particle emission in40Ar induced reactions on68Zn at 14.6, 19.6 and 35 MeV/nucleon

Origin of projectile-like fragments from40Ar +68Zn collisions between 15 and 35 MeV/nucleon: Direct transfer of nucleons and projectile fragmentation

On the mechanism of (HI, ? x n) reactions

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