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First Low Temperature Measurement Of The Giant Dipole Resonance Width In Sn

 

作者: P. Heckman,   D. Bazin,   J. R. Beene,   Y. Blumenfeld,   M. J. Chromik,   M. L. Halbert,   J. F. Liang,   E. Mohrmann,   T. Nakamura,   A. Navin,   B. M. Sherrill,   K. A. Snover,   M. Thoennessen,   E. Tryggestad,   R. L. Varner,  

 

期刊: AIP Conference Proceedings  （AIP Available online 1903）
卷期: Volume 656, issue 1  

页码: 113-120

 

ISSN:0094-243X

 

年代: 1903

 

DOI:10.1063/1.1556631

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The width of the Giant Dipole Resonance in Sn was studied by means of inelastic scattering. This study allowed for the first measurement of the GDR width at a temperature of 1 MeV. The width was found to be 4±1 MeV, and is consistent with the ground state measurement. This result is in disagreement with adiabatic thermal shape fluctuation calculations, indicating an overestimation of the influence of thermal shape fluctuations at low temperature. © 2003 American Institute of Physics

 

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