Effect of neutron-neutron final state interaction in pion photoproduction by deuterons near threshold energies

1980 ◽  
Vol 22 (2) ◽  
pp. 721-724 ◽  
Author(s):  
V. K. Gupta ◽  
J. D. Anand ◽  
V. S. Bhasin
2019 ◽  
Vol 411 ◽  
pp. 167990 ◽  
Author(s):  
E.M. Darwish ◽  
M.M. Almarashi ◽  
E.M. Mahrous ◽  
M.A. Hassanain ◽  
M. Saleh Yousef

2009 ◽  
Vol 18 (05n06) ◽  
pp. 1383-1388
Author(s):  
N. J. UPADHYAY ◽  
N. G. KELKAR ◽  
K. P. KHEMCHANDANI ◽  
B. K. JAIN

We present a calculation for η production in the p-6Li fusion near threshold including the η-7Be final state interaction (FSI). We consider the 6Li and 7Be nuclei as α-d and α-3He clusters respectively. The calculations are done for the lowest states of 7 Be with [Formula: see text] resulting from the L = 1 radial wave function. The η-7Be interaction is incorporated through the η-7BeT–matrix, constructed from the medium modified matrices for the η-3He and η-α systems. These medium modified matrices are obtained by solving few body equations, where the scattering in nuclear medium is taken into account.


2013 ◽  
Vol 722 (1-3) ◽  
pp. 69-75 ◽  
Author(s):  
Y. Maghrbi ◽  
R. Gregor ◽  
S. Lugert ◽  
J. Ahrens ◽  
J.R.M. Annand ◽  
...  

2009 ◽  
Vol 24 (02n03) ◽  
pp. 564-567
Author(s):  
ALEXANDER SIBIRTSEV

The data for near-threshold cross section for the reaction pp → ppɸ published by the DISTO and ANKE Collaboration are analyzed in order to evaluate the OZI ratio at low energies by taking into account corrections from the kinematics and the final-state interaction. Combining these new data with the few measurements available at higher energies the limit for the OZI rule violation is evaluated and the possible contribution from a five-quark baryonic resonance coupled to the ɸp system is estimated.


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