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Spin–isospin selectivity in three-nucleon forces


Mardanpour, H.; Amir-Ahmadi, H.R.; Benard, R.; Biegun, A.; Eslami-Kalantari, M.; Joulaeizadeh, L.; Kalantar-Nayestanaki, N.; Kiš, Mladen; Kistryn, St.; Kozela, A. et al.
Spin–isospin selectivity in three-nucleon forces // Physics letters. B, 687 (2010), 2-3; 149-153 doi:10.1016/j.physletb.2010.03.021 (međunarodna recenzija, članak, znanstveni)


Naslov
Spin–isospin selectivity in three-nucleon forces

Autori
Mardanpour, H. ; Amir-Ahmadi, H.R. ; Benard, R. ; Biegun, A. ; Eslami-Kalantari, M. ; Joulaeizadeh, L. ; Kalantar-Nayestanaki, N. ; Kiš, Mladen ; Kistryn, St. ; Kozela, A. ; Kuboki, H. ; Maeda, Y. ; Mahjour-Shafiei, M. ; Messchendorp, Y.G. ; Miki, K. ; Noji, S. ; Ramazani-Moghaddam-Arani, A. ; Sakai, H. ; Sasano, M. ; Sekiguchi, K. ; Stephan, E. ; Sworst, R. ; Takahashi, Y. ; Yako, K.

Izvornik
Physics letters. B (0370-2693) 687 (2010), 2-3; 149-153

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Nuclear forces ; proton–deuteron break-up ; three-nucleon force ; polarization phenomena

Sažetak
Precision data are presented for the break-up reaction, (2)H((p) over right arrow, pp)n, within the framework of nuclear-force studies. The experiment was carried out at KVI using a polarized-proton beam of 190 MeV impinging on a liquid-deuterium target and by exploiting the detector, BINA. Some of the vector-analyzing powers are presented and compared with state-of-the-art Faddeev calculations including three-nucleon forces effect. Significant discrepancies between the data and theoretical predictions were observed for kinematical configurations which correspond to the (2)H((p) over right arrow, (2)He)n channel. These results are compared to the (2)H((p) over right arrow, d)p reaction to test the isospin sensitivity of the present three-nucleon force models. The current modeling of two and three-nucleon forces is not sufficient to describe consistently polarization data for both isospin states.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-1191005-2879 - Fizika teških iona (Zoran Basrak, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Autor s matičnim brojem:
Mladen Kiš, (271321)

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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