Production and discovery of neutron-rich isotopes by fragmentation of 198Pt

被引：4

作者：

Haak, K. ^{[1
,2
]}

Tarasov, O. B. ^{[1
]}

Chowdhury, P. ^{[3
]}

Rogers, A. M. ^{[3
]}

Sharma, K. ^{[3
]}

Baumann, T. ^{[1
]}

Bazin, D. ^{[1
,2
]}

Bender, P. C. ^{[3
]}

Chen, J. ^{[1
]}

Estrade, A. ^{[4
]}

Famiano, M. A. ^{[5
]}

Foulds-Holt, D. C. ^{[3
,10
]}

Fukuda, N. ^{[6
]}

Gade, A. ^{[1
,2
]}

Ginter, T. N. ^{[1
]}

Gohier, R. W. ^{[5
]}

Hausmann, M. ^{[1
]}

Hill, A. M. ^{[1
,2
]}

Hoff, D. E. M. ^{[3
,11
]}

Klankowski, L. ^{[5
]}

Kwan, E. ^{[1
]}

Li, J. ^{[1
]}

Liddick, S. N. ^{[1
,7
]}

Longfellow, B. ^{[1
,2
,11
]}

Lyons, S. ^{[1
,12
]}

Morse, C. ^{[8
]}

Portillo, M. ^{[1
]}

Rhodes, D. ^{[1
,2
,13
]}

Richard, A. L. ^{[1
,11
]}

Samaranayake, S. ^{[4
]}

Sherrill, B. M. ^{[1
,2
]}

Smith, M. K. ^{[1
]}

Spieker, M. ^{[1
,14
]}

Sumithrarachchi, C. S. ^{[1
]}

Suzuki, H. ^{[6
]}

Wang, K. ^{[4
]}

Waniganeththi, S. ^{[3
]}

Weisshaar, D. ^{[1
]}

Zhu, S. ^{[9
]}

机构：

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

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

[3] Univ Massachusetts Lowell, Dept Phys, Lowell, MA 01854 USA

[4] Cent Michigan Univ, Mt Pleasant, MI 48859 USA

[5] Western Michigan Univ, Kalamazoo, MI 49008 USA

[6] RIKEN, Nishina Ctr, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

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

[8] Lawrence Berkeley Natl Lab, Nucl Sci Div, Berkeley, CA 94720 USA

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

[10] Univ Cambridge, Cambridge, England

[11] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[12] Pacific Northwest Natl Lab, Richland, WA 99352 USA

[13] TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada

[14] Florida State Univ, Tallahassee, FL 32306 USA

来源：

PHYSICAL REVIEW C | 2023年 / 108卷 / 03期

基金：

美国安德鲁·梅隆基金会; 美国国家科学基金会;

关键词：

PRODUCTION CROSS-SECTIONS; MOMENTUM DISTRIBUTIONS; KINETIC ENERGIES; NUCLEI; YIELDS;

D O I：

10.1103/PhysRevC.108.034608

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：

Production cross sections were measured for fragments produced by an 85 MeV/u 198Pt beam incident on a beryllium target. Event-by-event particle identification of A, Z, and q for the reaction products was performed by employing energy loss, time-of-flight, magnetic rigidity, and total kinetic energy measurements. Over 70 nuclei in the Hf-Pt region were identified, including three isotopes first observed in this work: 191,192Hf and 189Lu. Due to the existence of multiple charge states between H-like and C-like ions, a new analysis method was introduced, incorporating Monte Carlo calculations of charge state fractions for a given charge state of the projectile residue just after the reaction. For the first time, charge-state probability distribution functions after the reaction have been deduced from experimental data. This study provides insight into how to produce key nuclides near N=126 and the ability of a fragmentation residue to retain electrons from the primary beam.

引用

页数：10

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