Analyzing powers in d(p→,pp)n at intermediate and large scattering angles at 190 MeV

Understanding of the exact nature of three-nucleon forces is the most challenging topic in the field of nuclear physics. Three-nucleon break-up reaction is a good tool to look into the underlying dynamics of the nuclear force, thanks to its rich kinematical phase space which has different levels of...

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Bibliographic Details
Published in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2020-03, Vol.56 (3), Article 81
Main Authors: Mohammadi-Dadkan, M., Amir-Ahmadi, H. R., Bayat, M. T., Deltuva, A., Eslami-Kalantari, M., Golak, J., Kalantar-Nayestanaki, N., Kistryn, St, Kozela, A., Mardanpour, H., Mehmandoost-Khajeh-dad, A. A., Messchendorp, J. G., Ramazani-Moghaddam-Arani, A., Ramazani-Sharifabadi, R., Skibiński, R., Stephan, E., Tavakoli-Zaniani, H., Witała, H.
Format: Article
Language:English
Subjects:
Deuterons
Hadrons
Heavy Ions
Kinematics
Letter
Nuclear Fusion
Nuclear Physics
Nucleons
Particle and Nuclear Physics
Physics
Physics and Astronomy
Proton beams
Scattering angle
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Summary:Understanding of the exact nature of three-nucleon forces is the most challenging topic in the field of nuclear physics. Three-nucleon break-up reaction is a good tool to look into the underlying dynamics of the nuclear force, thanks to its rich kinematical phase space which has different levels of sensitivity to three-nucleon force effects. The recent studies on few-nucleon systems have revealed that the current nuclear force models cannot describe nucleon-deuteron scattering data accurately. In the present work, the analyzing powers of the proton-deuteron break-up reaction obtained using a 190 MeV polarized proton beam will be discussed. We present for the first time the vector analyzing powers for the kinematics in which one of the protons scatters to intermediate and large scattering angles at this energy. The results show a fairly good agreement with various theoretical predictions for both intermediate and large scattering angles of the break-up phase space.
ISSN:1434-6001
1434-601X
DOI:10.1140/epja/s10050-020-00085-0