Experimental Evidence of the Rapid Increacing Neutron Yields in Proton-Induced Reaction on Heavy Target Across 0.6-1GeV

Chin. Phys. Lett.

2003, Vol. 20

Issue (2): 216-219 DOI:

Original Articles

Experimental Evidence of the Rapid Increacing Neutron Yields in Proton-Induced Reaction on Heavy Target Across 0.6-1GeV

ZHANG Li;ZHENG Ji-Wen;ZHAO Jin-Hua;HU Qing-Yuan;WANG Ji-Cheng

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000

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ZHANG Li, ZHENG Ji-Wen, ZHAO Jin-Hua et al 2003 Chin. Phys. Lett. 20 216-219

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Abstract The independent yield distribution of the Hg isotopes, measured for the reaction of 600 MeV ¹⁸O projectile with a ^nat.Pb target, is converted to ¹⁸O+²⁰⁸Pb system and is compared with an Hg-isotope distribution from the spallation reaction of 1 A GeV ²⁰⁸Pb on proton. The comparison shows the differences between the two distributions on the production cross sections, isotope-distribution widths as well as their shapes. A great increase of the neutron-deficient Hg isotope yield with increase of bombarding energies of protons from 600 MeV to 1 GeV is derived. This fact results in an experimental evidence for rapid increasing neutron yields with rising proton bombarding energy from 0.6 GeV to 1 GeV.

Keywords: 25.70.Mn 24.10.-i 29.25.Dz

Published: 01 February 2003

PACS:	25.70.Mn	(Projectile and target fragmentation)
	24.10.-i	(Nuclear reaction models and methods)
	29.25.Dz	(Neutron sources)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I2/0216

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