Where is the scissors mode strength in odd-mass nuclei?

被引：62

作者：

Enders, J

Huxel, N

vonNeumannCosel, P

Richter, A

机构：

[1] Institut für Kernphysik, Technische Hochschule Darmstadt, Darmstadt

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.79.2010

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It is demonstrated by a fluctuation analysis based on the assumption of a Wigner distribution fur the nuclear level spacings and of a Porter-Thomas distribution for the transition strengths thai significant parts nf the dipole strength excited in photon scattering experiments in heavy, deformed odd-mass nuclei are hidden in the background of the experimental spectra. With this additional strength, the heretofore claimed severe reduction af the B(M1) scissors mode strength in odd-mass nuclei compared to the one in neighboring even-even nuclei disappears.

引用

收藏

页码：2010 / 2013

页数：4

相关论文

共 38 条

[1] 1ST OBSERVATION OF SCISSORS MODE STATES IN AN ODD-MASS NUCLEUS [J].

BAUSKE, I ;

ARIAS, JM ;

VONBRENTANO, P ;

FRANK, A ;

FRIEDRICHS, H ;

HEIL, RD ;

HERZBERG, RD ;

HOYLER, F ;

VANISACKER, P ;

KNEISSL, U ;

MARGRAF, J ;

PITZ, HH ;

WESSELBORG, C ;

ZILGES, A .

PHYSICAL REVIEW LETTERS, 1993, 71 (07) :975-978

[2] NEW MAGNETIC DIPOLE EXCITATION MODE STUDIED IN THE HEAVY DEFORMED NUCLEUS GD-156 BY INELASTIC ELECTRON-SCATTERING [J].

BOHLE, D ;

RICHTER, A ;

STEFFEN, W ;

DIEPERINK, AEL ;

IUDICE, NL ;

PALUMBO, F ;

SCHOLTEN, O .

PHYSICS LETTERS B, 1984, 137 (1-2) :27-31

[3] M1 distributions for Dy-163 and Gd-157 in the SUsdgBF(3) and SUsdBF(3)x1g limits of pn-sdgIBFM [J].

Devi, YD ;

Kota, VKB .

NUCLEAR PHYSICS A, 1996, 600 (01) :20-36

[4] Fluctuation analysis of rotational spectra [J].

Dossing, T ;

Herskind, B ;

Leoni, S ;

Bracco, A ;

Broglia, RA ;

Matsuo, M ;

Vigezzi, E .

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1996, 268 (01) :1-84

[5]

ENDERS J, 1997, NUCL PHYS A, V612, P293

[6] SEARCH FOR SCISSORS STATES IN ODD-MASS NUCLEI [J].

FRANK, A ;

ARIAS, JM ;

VANISACKER, P .

NUCLEAR PHYSICS A, 1991, 531 (01) :125-142

[7] Magnetic dipole sum rules for odd-mass nuclei [J].

Ginocchio, JN ;

Leviatan, A .

PHYSICAL REVIEW LETTERS, 1997, 79 (05) :813-816

[8] NUCLEI FAR AWAY FROM THE LINE OF BETA-STABILITY - STUDIES BY ONLINE MASS SEPARATION [J].

HANSEN, PG .

ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE, 1979, 29 :69-119

[9] APPLICATIONS OF STATISTICAL NUCLEAR-PHYSICS TO NUCLEAR SPECTROSCOPY [J].

HANSEN, PG ;

JONSON, B ;

RICHTER, A .

NUCLEAR PHYSICS A, 1990, 518 (1-2) :13-34

[10] Fine structure of the E1 response in Ce-140 below the particle threshold [J].

Herzberg, RD ;

vonBrentano, P ;

Eberth, J ;

Enders, J ;

Fischer, R ;

Huxel, N ;

Klemme, T ;

vonNeumannCosel, P ;

Nicolay, N ;

Pietralla, N ;

Ponomarev, VY ;

Reif, J ;

Richter, A ;

Schlegel, C ;

Schwengner, R ;

Skoda, S ;

Thomas, HG ;

Wiedenhover, I ;

Winter, G ;

Zilges, A .

PHYSICS LETTERS B, 1997, 390 (1-4) :49-54

← 1 2 3 4 →