Production cross-sections of light neutron-rich nuclei from 40Ar fragmentation at about 1 GeV/nucleon

被引：50

作者：

Ozawa, A

Bochkarev, O

Chulkov, L

Cortina, D

Geissel, H

Hellström, M

Ivanov, M

Janik, R

Kimura, K

Kobayashi, T

Korsheninnikov, AA

Münzenberg, G

Nickel, F

Ogloblin, AA

Pfützner, M

Pribora, V

Simon, H

Sitár, B

Strmen, P

Sümmerer, K

Suzuki, T

Tanihata, I

Winkler, M

Yoshida, K

机构：

[1] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

[2] GSI Darmstadt, Gesell Schwerionenforsch, D-64291 Darmstadt, Germany

[3] Kurchatov Inst, Moscow 123182, Russia

[4] Comenius Univ, Fac Math & Phys, Bratislava 84215, Slovakia

[5] Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan

来源：

NUCLEAR PHYSICS A | 2000年 / 673卷 / 1-4期

基金：

日本学术振兴会;

关键词：

nuclear reactions Be-9(Ar-40; X); E = similar to 1 A GeV; measured production sigma for mass 10-30; deduced particle instability of O-26; semi-empirical parametrization;

D O I：

10.1016/S0375-9474(00)00147-0

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：

Using a primary beam of Ar-40 at similar to 1A GeV impinging on a Be target, the production cross-sections of light neutron-rich fragments from projectile fragmentation were measured at the projectile-fragment separator FRS at GSI. The experimental cross-sections were obtained for isotopes of the elements B to F both close to stability and near the neutron drip line. These data are compared to the results of the empirical parametrization EPAX. We also compare the results to those measured previously at LBL, As an additional result, the particle instability of O-26 has been confirmed. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：411 / 422

页数：12

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