Towards an understanding of staggering effects in dissipative binary collisions

被引：23

作者：

D'Agostino, M. ^{[1
,2
]}

Bruno, M. ^{[1
,2
]}

Gulminelli, F. ^{[3
,4
]}

Morelli, L. ^{[1
,2
]}

Baiocco, G. ^{[1
,2
,3
,4
]}

Bardelli, L. ^{[5
,6
]}

Barlini, S. ^{[5
]}

Cannata, F. ^{[1
]}

Casini, G. ^{[5
]}

Geraci, E. ^{[6
,7
]}

Gramegna, F. ^{[8
]}

Kravchuk, V. L. ^{[8
]}

Marchi, T. ^{[8
,9
]}

Moroni, A. ^{[10
]}

Ordine, A. ^{[11
]}

Raduta, Ad. R. ^{[12
]}

机构：

[1] Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[2] Univ Bologna, Dipartmento Fis, Bologna, Italy

[3] ENSICAEN, LPC, UMR6534, F-14050 Caen, France

[4] CNRS, LPC, UMR6534, F-14050 Caen, France

[5] Ist Nazl Fis Nucl, I-50125 Florence, Italy

[6] Ist Nazl Fis Nucl, I-95129 Catania, Italy

[7] Catania Univ, Dipartimento Fis, Catania, Italy

[8] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-40126 Bologna, Italy

[9] Univ Padua, Dipartimento Fis, Padua, Italy

[10] Ist Nazl Fis Nucl, I-20133 Milan, Italy

[11] Ist Nazl Fis Nucl, I-80125 Naples, Italy

[12] NIPNE, Bucharest, Romania

来源：

NUCLEAR PHYSICS A | 2012年 / 875卷

关键词：

NUCLEAR REACTIONS Ni-58.64(S-32; X); E=14.5 MeV/nucleon; measured fragment yield and charge distribution; deduced reaction mechanism features; odd-even effects; secondary evaporation; relative kinetic energy correlation functions; Comparison with GEMINI evaporation model; GARFIELD detector array and ring counter; MULTIFRAGMENTATION;

D O I：

10.1016/j.nuclphysa.2011.11.011

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The reactions S-32 + Ni-58.64 are studied at 14.5 A MeV. Evidence is found for important odd-even effects in isotopic observables of selected peripheral collisions corresponding to the decay of a projectile-like source. The influence of secondary decays on the staggering is studied with a correlation function technique. It is shown that this method is a powerful tool to get experimental information on the evaporation chain. in order to constrain model calculations. Specifically, we show that odd-even effects are due to interplay between pairing effects in the nuclear masses and in the level densities. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：139 / 159

页数：21

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