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アイテムタイプ	学術雑誌論文
タイトル	Central and tensor components of three-nucleon forces in low-energy proton-deuteron scattering
著者	著者名 Ishikawa, Souichi
	著者名 Tanifuji, M.
	著者名 Iseri, Y.
言語	eng
ISSN	05562813
DOI	https://doi.org/10.1103/PhysRevC.67.061001
出版者	The American Physical Society
雑誌名	Physical Review C
	Physical Review C
号	6
開始ページ	061001-1
終了ページ	061001-5
発行年	2003-06
著者版フラグ	Version of Record
キーワード	physics
抄録	Contributions of three-nucleon forces (3NF) to proton-deuteron scattering observables at energies below the deuteron breakup threshold are studied by solving the Faddeev equation that includes the Coulomb interaction. At Ep=3.0 MeV, we find that the central part of a two-pion exchange 3NF removes the discrepancy between measured cross sections and the calculated ones by two-nucleon forces, and improves the agreement with T22 experimental data. However, the tensor part of the 3NF fails in reproducing data of the analyzing power T21 by giving worse agreement between the measured and the calculated. Detailed examinations of scattering amplitudes suggest that a P-wave contribution in spin-quartet tensor amplitudes has unsuitable sign for reproducing the T21 data.
権利	Copyright (C) 2003, The American Physical Society
資源タイプ	Article
インデックス	資料タイプ別 ＞ 学術雑誌論文 ＞ 自然科学
	301 学術雑誌論文 ＞ 自然科学

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