136Xe+208Pb reaction: A test of models of multinucleon transfer reactions

被引：118

作者：

Barrett, J. S. ^{[1
]}

Loveland, W. ^{[1
]}

Yanez, R. ^{[1
]}

Zhu, S. ^{[2
]}

Ayangeakaa, A. D. ^{[2
]}

Carpenter, M. P. ^{[2
]}

Greene, J. P. ^{[2
]}

Janssens, R. V. F. ^{[2
]}

Lauritsen, T. ^{[2
]}

McCutchan, E. A. ^{[3
]}

Sonzogni, A. A. ^{[3
]}

Chiara, C. J. ^{[2
]}

Harker, J. L. ^{[2
,4
]}

Walters, W. B. ^{[4
]}

机构：

[1] Oregon State Univ, Dept Chem, Corvallis, OR 97331 USA

[2] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA

[3] Brookhaven Natl Lab, Natl Nucl Data Ctr, Upton, NY 11973 USA

[4] Univ Maryland, Dept Chem & Biochem, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW C | 2015年 / 91卷 / 06期

基金：

美国国家科学基金会;

关键词：

ACTINIDE PRODUCTION; MASS-TRANSFER; COLLISIONS; SPECTROSCOPY; ISOTOPES;

D O I：

10.1103/PhysRevC.91.064615

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 yields of over 200 projectile-like fragments (PLFs) and target-like fragments (TLFs) from the interaction of (E-c.m. = 450 MeV) Xe-136 with a thick target of Pb-208 were measured using Gammasphere and off-line gamma-ray spectroscopy, giving a comprehensive picture of the production cross sections in this reaction. The measured yields were compared to predictions of the GRAZING model and the predictions of Zagrebaev and Greiner using a quantitative metric, the theory evaluation factor tef. The GRAZING model predictions are adequate for describing the yields of nuclei near the target or projectile but they grossly underestimate the yields of all other products. The predictions of Zagrebaev and Greiner correctly describe the magnitude and maxima of the observed TLF transfer cross sections for a wide range of transfers (Delta Z = -8 to Delta Z = +2). However, for Delta Z = +4, the observed position of the maximum in the distribution is four neutrons richer than the predicted maximum. The predicted yields of the neutron-rich N = 126 nuclei exceed the measured values by two orders of magnitude. Correlations between TLF and PLF yields are discussed.

引用

页数：12

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