Near-barrier polarisation potentials for 6,7Li+208Pb

被引：69

作者：

Keeley, N ^{[1
]}

Rusek, K ^{[1
]}

机构：

[1] Soltan Inst Nucl Studies, Dept Nucl React, PL-00681 Warsaw, Poland

来源：

PHYSICS LETTERS B | 1998年 / 427卷 / 1-2期

关键词：

nuclear reactions Pb-208+Li-6; Li-7; E; 27-33; MeV; elastic scattering; coupled-discretised-continuum-channels calculations; derived dynamic polarisation potentials;

D O I：

10.1016/S0370-2693(98)00334-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A previous optical model analysis of Li-6.7 + Pb-208 elastic scattering data at near barrier energies found a marked difference in the energy dependence of the surface strength of the real part of the best fit optical model potentials for the two isotopes. We show that this difference can be accounted for by the difference in strength of the real polarisation potentials produced by the breakup couplings in Li-6 and Li-7. We show that this is in turn largely due to the differing breakup thresholds of Li-6 and Li-7. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：1 / 6

页数：6

共 19 条

[11] DEUTERON OPTICAL-MODEL ANALYSIS IN RANGE OF 11 TO 27 MEV [J].

PEREY, CM ;

PEREY, FG .

PHYSICAL REVIEW, 1963, 132 (02) :755-&

[12] Study of polarized Li-7 scattering from Pb-208 at 33 MeV [J].

Rusek, K ;

Gómez-Camacho, J ;

MartelBravo, I ;

Tungate, G .

NUCLEAR PHYSICS A, 1997, 614 (01) :112-128

[13]

Sakuragi Y., 1986, PROG THEOR PHYS SUPP, V89, P189

[14] LI-6 SCATTERING - FAILURE OF DOUBLE-FOLDED POTENTIAL MODEL [J].

SATCHLER, GR ;

LOVE, WG .

PHYSICS LETTERS B, 1978, 76 (01) :23-25

[15]

SATCHLER GR, 1979, PHYS LETT B, V83, P284, DOI 10.1016/0370-2693(79)91108-0

[16] COULOMB BREAKUP OF LI-6 ON PB-208 [J].

SPETH, E ;

PFEIFFER, KO ;

BETHGE, K .

PHYSICAL REVIEW LETTERS, 1970, 24 (26) :1493-&

[17] PHENOMENOLOGICAL AND MICROSCOPIC OPTICAL POTENTIALS FOR 88 MEV LI-7 SCATTERING [J].

STEEDEN, MF ;

COOPERSMITH, J ;

CARTWRIGHT, SJ ;

COHLER, MD ;

CLARKE, NM ;

GRIFFITHS, RJ .

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 1980, 6 (04) :501-509

[18] THE THRESHOLD ANOMALY IN O-16+PB-208 SCATTERING [J].

THOMPSON, IJ ;

NAGARAJAN, MA ;

LILLEY, JS ;

SMITHSON, MJ .

NUCLEAR PHYSICS A, 1989, 505 (01) :84-102

[19] COUPLED REACTION CHANNELS CALCULATIONS IN NUCLEAR-PHYSICS [J].

THOMPSON, IJ .

COMPUTER PHYSICS REPORTS, 1988, 7 (04) :167-212

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