β-delayed proton emission in the 100Sn region

被引：34

作者：

Lorusso, G. ^{[1
,2
,3
]}

Becerril, A. ^{[1
,2
,3
]}

Amthor, A. ^{[1
,2
,3
]}

Baumann, T. ^{[1
]}

Bazin, D. ^{[1
]}

Berryman, J. S. ^{[1
,4
]}

Brown, B. A. ^{[1
,2
,3
]}

Cyburt, R. H. ^{[1
,2
]}

Crawford, H. L. ^{[1
,4
]}

Estrade, A. ^{[1
,2
,3
]}

Gade, A. ^{[1
,3
]}

Ginter, T. ^{[1
]}

Guess, C. J. ^{[1
,2
,3
]}

Hausmann, M. ^{[5
]}

Hitt, G. W. ^{[6
]}

Mantica, P. F. ^{[1
,4
]}

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

Meharchand, R. ^{[1
,2
,3
]}

Minamisono, K. ^{[1
]}

Montes, F. ^{[1
,2
]}

Perdikakis, G. ^{[1
,2
]}

Pereira, J. ^{[1
,2
]}

Portillo, M. ^{[1
]}

Schatz, H. ^{[1
,2
,3
]}

Smith, K. ^{[1
,2
,3
]}

Stoker, J. ^{[1
,4
]}

Stolz, A. ^{[1
]}

Zegers, R. G. T. ^{[1
,2
,3
]}

机构：

[1] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA

[2] Michigan State Univ, Joint Inst Nucl Astrophys, E Lansing, MI 48824 USA

[3] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[4] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA

[5] Michigan State Univ, Facil Rare Isotope Beams, E Lansing, MI 48824 USA

[6] Khalifa Univ Sci Technol & Res, Dept Appl Math & Sci, Abu Dhabi, U Arab Emirates

来源：

PHYSICAL REVIEW C | 2012年 / 86卷 / 01期

基金：

美国国家科学基金会;

关键词：

SHELL-MODEL CALCULATIONS; RP-PROCESS; DECAY PROPERTIES; HALF-LIVES; NUCLEI; ISOTOPES; RH-95; STATES; CD-97; POINT;

D O I：

10.1103/PhysRevC.86.014313

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：

beta-delayed proton emission from nuclides in the neighborhood of Sn-100 was studied at the National Superconducting Cyclotron Laboratory (NSCL). The nuclei were produced by fragmentation of a 120 MeV/nucleon Sn-112 primary beam on a Be target. Beam purification was provided by the A1900 Fragment Separator and the Radio Frequency Fragment Separator. The fragments of interest were identified and their decay was studied with the NSCL Beta Counting System in conjunction with the Segmented Germanium Array. The nuclei Cd-96, In-98(g), In-98(m), and In-99 were identified as beta-delayed proton emitters, with branching ratios b(beta p) = 5.5(40)%, 5.5(-2)(+3)%, 19(2)%, and 0.9(4)%, respectively. The branching ratios for Ru-89, Rh-91,Rh-92, Pd-93, and Ag-95 were deduced for the first time with b(beta p) = 3(-1.7)(+1.9)%, 1.3(5)%, 1.9(1)%, 7.5(5)%, and 2.5(3)%, respectively. The b(beta p) = 22(1)% value for Sn-101 was deduced with higher precision than previously reported. The impact of the newly measured b(beta p) values on the composition of the type I x-ray burst ashes was studied.

引用

页数：13

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