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19 April 2024

» arxiv » nucl-ex/0611027

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Precision measurement of vector and tensor analyzing powers in elastic deuteron-proton scattering
H. Mardanpour ; H.R. Amir-Ahmadi ; A. Deltuva ; K. Itoh ; N. Kalantar-Nayestanaki ; T. Kawabata ; H. Kuboki ; Y. Maeda ; J.G. Messchendorp ; S. Sakaguchi ; H. Sakai ; N. Sakamoto ; Y. Sasamoto ; M. Sasano ; K. Sekiguchi ; K. Suda ; Y. Takahashi ; T. Uesaka ; H. Witala ; K. Yako ; PostScript ; PDF ; Other formats ;
Date:	15 Nov 2006
Abstract:	High precision vector and tensor analyzing powers of elastic deuteron-proton d+p scattering have been measured at intermediate energies to investigate effects of three-nucleon forces (3NF). Angular distribution in the range of 70-120 degree in the center-of mass frame for incident-deuteron energies of 130 and 180 MeV were obtained using the RIKEN facility. The beam polarization was unambiguously determined by measuring the 12C(d,alpha)10B(2+) reaction at 0 degree. Results of the measurements are compared with state-of-the-art three-nucleon calculations. The present modeling of nucleon-nucleon forces and its extension to the three-nucleon system is not sufficient to describe the high precision data consistently and requires, therefore, further investigation.
Source:	arXiv, nucl-ex/0611027
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