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Title: Analyzing powers of polarized deuterons in low-energy {sup 6}Li(d,{alpha}){sup 4}He and {sup 6}Li(d,p{sub 0}){sup 7}Li reactions in a resonance region

Abstract

Low-energy {sup 6}Li(d,{alpha}){sup 4}He and {sup 6}Li(d,p{sub 0}){sup 7}Li reactions are affected by the 2{sup +} resonance level of {sup 8}Be at E{sub x}{approx_equal}22.2 MeV. In this work, we present a new method to extract fractions of the 2{sup +} components of the reactions, which include the resonance, by using the tensor-analyzing powers, T{sub 2q}, of polarized deuterons. We measured T{sub 2q} for q=0,1,2 at the very low incident energy E{sub d}=90 keV and analyzed the data by the invariant amplitude method giving the 2{sup +} fractions as 0.90{+-}0.05 for {sup 6}Li(d,p) and 0.998{+-}0.003 for {sup 6}Li(d,{alpha}). For {sup 6}Li(d,p), it was comparable to the resonance fraction extracted from cross-section data, whereas for {sup 6}Li(d,{alpha}), the 2{sup +} fraction was much larger than the resonance fraction extracted from cross-section data. A part of the analyses was extended to higher energies up to 960 keV.

Authors:
; ; ; ; ; ; ; ; ;  [1];  [2];  [2];  [2]
  1. Institute of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan)
  2. (Japan)
Publication Date:
OSTI Identifier:
20864211
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. C, Nuclear Physics; Journal Volume: 74; Journal Issue: 6; Other Information: DOI: 10.1103/PhysRevC.74.064606; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ALPHA PARTICLES; AMPLITUDES; BERYLLIUM 8; CROSS SECTIONS; DEUTERON REACTIONS; DEUTERONS; HELIUM 4; KEV RANGE; LITHIUM 6 TARGET; LITHIUM 7; MEV RANGE; POLARIZATION; POLARIZATION-ASYMMETRY RATIO; PROTONS; RESONANCE; TENSORS

Citation Formats

Yamaguchi, M., Tagishi, Y., Aoki, Y., Iizuka, T., Nagatomo, T., Shinba, T., Yoshimaru, N., Yamato, Y., Katabuchi, T., Tanifuji, M., Institute of Physics and Tandem Accelerator Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, and Department of Physics, Hosei University, Tokyo 102-8160. Analyzing powers of polarized deuterons in low-energy {sup 6}Li(d,{alpha}){sup 4}He and {sup 6}Li(d,p{sub 0}){sup 7}Li reactions in a resonance region. United States: N. p., 2006. Web. doi:10.1103/PHYSREVC.74.064606.
Yamaguchi, M., Tagishi, Y., Aoki, Y., Iizuka, T., Nagatomo, T., Shinba, T., Yoshimaru, N., Yamato, Y., Katabuchi, T., Tanifuji, M., Institute of Physics and Tandem Accelerator Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, & Department of Physics, Hosei University, Tokyo 102-8160. Analyzing powers of polarized deuterons in low-energy {sup 6}Li(d,{alpha}){sup 4}He and {sup 6}Li(d,p{sub 0}){sup 7}Li reactions in a resonance region. United States. doi:10.1103/PHYSREVC.74.064606.
Yamaguchi, M., Tagishi, Y., Aoki, Y., Iizuka, T., Nagatomo, T., Shinba, T., Yoshimaru, N., Yamato, Y., Katabuchi, T., Tanifuji, M., Institute of Physics and Tandem Accelerator Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, and Department of Physics, Hosei University, Tokyo 102-8160. Fri . "Analyzing powers of polarized deuterons in low-energy {sup 6}Li(d,{alpha}){sup 4}He and {sup 6}Li(d,p{sub 0}){sup 7}Li reactions in a resonance region". United States. doi:10.1103/PHYSREVC.74.064606.
@article{osti_20864211,
title = {Analyzing powers of polarized deuterons in low-energy {sup 6}Li(d,{alpha}){sup 4}He and {sup 6}Li(d,p{sub 0}){sup 7}Li reactions in a resonance region},
author = {Yamaguchi, M. and Tagishi, Y. and Aoki, Y. and Iizuka, T. and Nagatomo, T. and Shinba, T. and Yoshimaru, N. and Yamato, Y. and Katabuchi, T. and Tanifuji, M. and Institute of Physics and Tandem Accelerator Center, University of Tsukuba, Tsukuba, Ibaraki 305-8577 and Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511 and Department of Physics, Hosei University, Tokyo 102-8160},
abstractNote = {Low-energy {sup 6}Li(d,{alpha}){sup 4}He and {sup 6}Li(d,p{sub 0}){sup 7}Li reactions are affected by the 2{sup +} resonance level of {sup 8}Be at E{sub x}{approx_equal}22.2 MeV. In this work, we present a new method to extract fractions of the 2{sup +} components of the reactions, which include the resonance, by using the tensor-analyzing powers, T{sub 2q}, of polarized deuterons. We measured T{sub 2q} for q=0,1,2 at the very low incident energy E{sub d}=90 keV and analyzed the data by the invariant amplitude method giving the 2{sup +} fractions as 0.90{+-}0.05 for {sup 6}Li(d,p) and 0.998{+-}0.003 for {sup 6}Li(d,{alpha}). For {sup 6}Li(d,p), it was comparable to the resonance fraction extracted from cross-section data, whereas for {sup 6}Li(d,{alpha}), the 2{sup +} fraction was much larger than the resonance fraction extracted from cross-section data. A part of the analyses was extended to higher energies up to 960 keV.},
doi = {10.1103/PHYSREVC.74.064606},
journal = {Physical Review. C, Nuclear Physics},
number = 6,
volume = 74,
place = {United States},
year = {Fri Dec 15 00:00:00 EST 2006},
month = {Fri Dec 15 00:00:00 EST 2006}
}