Measurements of the reaction cross sections and momentum distributions for 23Al neighbouring nuclei

Journal Article · Thu Nov 02 04:00:00 EST 2006 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2398829· OSTI ID:20891766

Wang, K; Fang, D Q; Guo, W; Ma, Y G; Ma, C W; Yan, T Z; Cai, X Z; Shen, W Q; Chen, J G; Liu, G H; Ma, E J; Shi, Y; Su, Q M; Tian, W D; Wang, H W; Zhong, C ^[1]; Sum, Z Y ^[2]; Ren, Z Z ^[3]; Hosoi, M; Nakajima, S ^[4]

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1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800 (China)
2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China)
3. Department of Physics, Nanjing University, Nanjing 210008 (China)
4. Department of Physics, Saitama University, Saitama 338-8570 (Japan)

The reaction cross sections and momentum distributions for 23Al and its neighbouring nuclei have been measured at the Riken Projectile Fragment Separator (RIPS). The primary beam of 135 A MeV 28Si was used to produce the secondary beams. The measurement of {sigma}R was carried out by using a transmission-type method, {sigma}R was determined by the ratios between incident and outgoing particles without reaction from both target-in and target-out measurements. P// of fragment from breakup reactions was determined from the measured TOF between F2 and F3. An enhancement is observed in {sigma}R for 23Al compared to its neighbors. The P// of 22Mg fragments from 23Al breakup have been obtained. The width of the distributions is found to be consistent with prediction by the Goldhaber Model. The experimental data are discussed in the framework of Glauber model. The analysis of P// indicates a dominant d-wave component in the ground state of 23Al. This confirms the result of a recent magnetic moment measurement which indicates that the valence proton is in d-wave.

• OSTI ID: 20891766
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 865; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALUMINIUM 23
BREAKUP REACTIONS
CROSS SECTIONS
D WAVES
GROUND STATES
JAPANESE ORGANIZATIONS
MAGNESIUM 22
MEV RANGE 100-1000
NUCLEAR FRAGMENTATION
NUCLEAR MAGNETIC MOMENTS
PROTONS
SECONDARY BEAMS
SILICON 28