Weak Quasielastic Production of Hyperons and Threshold Production of Two Pions.

被引：1
|
作者：
Singh, S. K. [1 ]
Athar, M. Sajjad [1 ]
Alam, M. Rafi [1 ]
Chauhan, Shikha [1 ]
Hernandez, E. [2 ,3 ]
Nieves, J. [4 ,5 ]
Valverde, M. [4 ,5 ]
Vicente Vacas, M. J. [4 ,5 ]
机构：
[1] Aligarh Muslim Univ, Dept Phys, Aligarh 202002, Uttar Pradesh, India
[2] Univ Salamanca, Grp Fis Nucl, Dept Fis Fundamental, E-37008 Salamanca, Spain
[3] Univ Salamanca, IUFFyM, E-37008 Salamanca, Spain
[4] Univ Valencia, Ctr Mixto, CSIC, Dept Fis Teor, E-46071 Valencia, Spain
[5] Univ Valencia, Ctr Mixto, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain
来源：
WORKSHOP ON NEUTRINO INTERACTIONS, SYSTEMATIC UNCERTAINTIES AND NEAR DETECTOR PHYSICS (CETUP* 2014) | 2015年 / 1680卷
关键词：
strange particle production; pion production; nuclear medium effects; CURRENT 2-PION PRODUCTION; ANTINEUTRINO INTERACTIONS; NUCLEON;
D O I：
10.1063/1.4931871
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We have studied quasielastic charged current hyperon production induced by (nu) over bar (mu) on free nucleon and the nucleons bound inside the nucleus and the results are presented for several nuclear targets like Ar-40, Fe-56 and Pb-208. The hyperonnucleon transition form factors are determined from neutrino-nucleon scattering and semileptonic decays of neutron and hyperons using SU(3) symmetry. The nuclear medium effects(NME) due to Fermi motion and final state interaction(FSI) effect due to hyperon-nucleon scattering have been taken into account. Also we have studied two pion production at threshold induced by neutrinos off nucleon targets. The contribution of nucleon, pion, and contact terms are calculated using Lagrangian given by nonlinear sigma model. The contribution of the Roper resonance has also been taken into account. The numerical results for the cross sections are presented and compared with the experimental results from ANL and BNL.
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页数：13
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