Chin. Phys. Lett.  2011, Vol. 28 Issue (8): 082501    DOI: 10.1088/0256-307X/28/8/082501
NUCLEAR PHYSICS |
Singly and Doubly Charged Projectile Fragments in Nucleus-Emulsion Collisions at Dubna Energy in the Framework of the Multi-Source Model
WANG Er-Qin1, LIU Fu-Hu1**, Magda A. Rahim2, S. Fakhraddin2, SUN Jian-Xin1,3
1Institute of Theoretical Physics, Shanxi University, Taiyuan 030006
2Department of Physics, Faculty of Science, Sana'a University, Republic of Yemen
3School of Engineering, Shanxi Datong University, Datong 037003
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WANG Er-Qin, LIU Fu-Hu, Magda A. Rahim et al  2011 Chin. Phys. Lett. 28 082501
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Abstract The multiplicity distributions of projectile fragments emitted in interactions of different nuclei with emulsion are studied by using a multi-source model. Our calculated results show that the projectile fragments can be described by the model and each source contributes an exponential distribution. As the weighted sum of the folding result of many exponential distributions, a multi-component Erlang distribution is used to describe the experimental data. The relationship between the height (or width) of the distribution and the mass of the incident projectile, as well as the dependence of projectile fragments on target groups, are investigated too.
Keywords: 25.70.Mn      25.70.Pq      13.87.Fh     
Received: 11 June 2010      Published: 28 July 2011
PACS:  25.70.Mn (Projectile and target fragmentation)  
  25.70.Pq (Multifragment emission and correlations)  
  13.87.Fh (Fragmentation into hadrons)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/28/8/082501       OR      https://cpl.iphy.ac.cn/Y2011/V28/I8/082501
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WANG Er-Qin
LIU Fu-Hu
Magda A. Rahim
S. Fakhraddin
SUN Jian-Xin
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