NEW MASS MEASUREMENTS OF NEUTRON-RICH NUCLEI NEAR N = 20

被引：175

作者：

ORR, NA

MITTIG, W

FIFIELD, LK

LEWITOWICZ, M

PLAGNOL, E

SCHUTZ, Y

LONG, ZW

BIANCHI, L

GILLIBERT, A

BELOZYOROV, AV

LUKYANOV, SM

PENIONZHKEVICH, YE

VILLARI, ACC

CUNSOLO, A

FOTI, A

AUDI, G

STEPHAN, C

TASSANGOT, L

机构：

[1] GRAND ACCELERATOR NATL IONS LOURDES,F-14021 CAEN,FRANCE

[2] CENS,DPHN BE,F-91191 GIF SUR YVETTE,FRANCE

[3] JOINT NUCL RES INST,NUCL REACT LAB,MOSCOW 101000,USSR

[4] IST NAZL FIS NUCL,I-95129 CATANIA,ITALY

[5] DIPARTIMENTO FIS,I-95129 CATANIA,ITALY

[6] CTR SPECTROMETRIE NUCL & SPECTROMETRIE MASSE,LAB RENE BERNAS,F-91405 ORSAY,FRANCE

[7] INST PHYS NUCL,F-91406 ORSAY,FRANCE

[8] AUSTRALIAN NATL UNIV,DEPT NUCL PHYS,CANBERRA,ACT 2601,AUSTRALIA

来源：

PHYSICS LETTERS B | 1991年 / 258卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(91)91203-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The masses of 39 neutron-rich nuclei in the mass range 17-37 have been measured using a direct time-of-flight technique following the fragmentation of a 48Ca beam at 55 MeV/nucleon. The masses of 29,30Ne, 34,35Mg and 36,37Al are reported for the first time. The very neutron-rich nuclei, 31-33Na, are found to be 2-4 MeV less bound than previously believed. A comparison is made with recently available large scale shell model calculations encompassing the deformed A approximately 32 nuclei. Conclusions are drawn regarding the extent of the region of deformation, which is found to include 30Ne.

引用

页码：29 / 34

页数：6

共 36 条

[1] SPEG - AN ENERGY-LOSS SPECTROMETER FOR GANIL [J].

BIANCHI, L ;

FERNANDEZ, B ;

GASTEBOIS, J ;

GILLIBERT, A ;

MITTIG, W ;

BARRETTE, J .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1989, 276 (03) :509-520

[2] SHAPE TRANSITION IN NEUTRON RICH SODIUM ISOTOPES [J].

CAMPI, X ;

FLOCARD, H ;

KERMAN, AK ;

KOONIN, S .

NUCLEAR PHYSICS A, 1975, 251 (02) :193-205

[3] EXOTIC LIGHT-NUCLEI [J].

DETRAZ, C ;

VIEIRA, DJ .

ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE, 1989, 39 :407-465

[4] BETA-DECAY OF NA-27-32 AND THEIR DESCENDANTS [J].

DETRAZ, C ;

GUILLEMAUD, D ;

HUBER, G ;

KLAPISCH, R ;

LANGEVIN, M ;

NAULIN, F ;

THIBAULT, C ;

CARRAZ, LC ;

TOUCHARD, F .

PHYSICAL REVIEW C, 1979, 19 (01) :164-176

[5] MAPPING OF THE ONSET OF A NEW REGION OF DEFORMATION - THE MASSES OF MG-31 AND MG-32 [J].

DETRAZ, C ;

LANGEVIN, M ;

GOFFRIKOUASSI, MC ;

GUILLEMAUD, D ;

EPHERRE, M ;

AUDI, G ;

THIBAULT, C ;

TOUCHARD, F .

NUCLEAR PHYSICS A, 1983, 394 (03) :378-386

[6] THE MASS OF P-37 [J].

FIFIELD, LK ;

CHAPMAN, R ;

DURELL, JL ;

MO, JN ;

SMITH, RJ ;

WOODS, PJ ;

FULTON, BR ;

CUNNINGHAM, RA ;

DRUMM, PV .

NUCLEAR PHYSICS A, 1988, 484 (01) :117-124

[7] THE MASS OF SI-35 [J].

FIFIELD, LK ;

WOODS, CL ;

CATFORD, WN ;

BARK, RA ;

DRUMM, PV ;

KEOGHAN, KT .

NUCLEAR PHYSICS A, 1986, 453 (03) :497-504

[8]

FIFIELD LK, COMMUNICATION

[9] NEW MASS MEASUREMENTS FAR FROM STABILITY [J].

GILLIBERT, A ;

MITTIG, W ;

BIANCHI, L ;

CUNSOLO, A ;

FERNANDEZ, B ;

FOTI, A ;

GASTEBOIS, J ;

GREGOIRE, C ;

SCHUTZ, Y ;

STEPHAN, C .

PHYSICS LETTERS B, 1987, 192 (1-2) :39-43

[10] MASS MEASUREMENT OF LIGHT NEUTRON-RICH FRAGMENTATION PRODUCTS [J].

GILLIBERT, A ;

BIANCHI, L ;

CUNSOLO, A ;

FERNANDEZ, B ;

FOTI, A ;

GASTEBOIS, J ;

GREGOIRE, C ;

MITTIG, W ;

PEGHAIRE, A ;

SCHUTZ, Y ;

STEPHAN, C .

PHYSICS LETTERS B, 1986, 176 (3-4) :317-321

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