Total charge-changing cross sections for neutron-rich light nuclei

被引：50
|
作者：
Chulkov, LV [1 ]
Bochkarev, OV
Cortina-Gil, D
Geissel, H
Hellström, M
Ivanov, M
Janik, R
Kimura, K
Kobayashi, T
Korsheninnikov, AA
Münzenberg, G
Nickel, F
Ogloblin, AA
Ozawa, A
Pfützner, M
Sümmerer, K
Suzuki, T
Tanihata, I
Winkler, M
Yoshida, K
机构：
[1] IV Kurchatov Atom Energy Inst, Moscow 123182, Russia
[2] Gesell Schwerionenforsch, GSI, D-64291 Darmstadt, Germany
[3] Univ Lund, Div Cosm & Subatom Phys, S-22100 Lund, Sweden
[4] Comenius Univ, Fac Math & Phys, Bratislava 84215, Slovakia
[5] Nagasaki Inst Appl Sci, Nagasaki 85101, Japan
[6] RIKEN, Wako, Saitama 3510198, Japan
[7] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
[8] Warsaw Univ, Inst Expt Phys, PL-6900691 Hoza, Poland
[9] Niigata Univ, Dept Phys, Niigata 9502181, Japan
来源：
NUCLEAR PHYSICS A | 2000年 / 674卷 / 3-4期
基金：
日本学术振兴会;
关键词：
radioactive beams; exotic nuclei; charge-changing cross sections; interaction cross sections;
D O I：
10.1016/S0375-9474(00)00168-8
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：
Total charge-changing cross sections at relativistic energies on a carbon target have been measured for the light stable and neutron-rich radioactive nuclei Be-14, B10-19, C12-20, N14-23, O16-24, and F18-27. A combined analysis of interaction and total charge-changing cross sections allows to draw definite conclusions concerning the thickness of the neutron skins or the size of the neutron halos for very neutron-rich isotopes. The obtained cross sections are also important in astrophysical applications to describe the propagation of galactic cosmic rays through the interstellar medium. A simple parameterization can reproduce the total charge-changing cross section within an accuracy of 5% for light nuclei from the valley of beta-stability up to the drip line. These systematics improve the predictive capability of the formulae used to describe the unknown cross sections, (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：330 / 342
页数：13
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