scholarly journals Charge-symmetry breaking and the two-pion-exchange two-nucleon interaction

2003 ◽  
Vol 68 (2) ◽  
Author(s):  
J. L. Friar ◽  
U. van Kolck ◽  
G. L. Payne ◽  
S. A. Coon
Keyword(s):  
Symmetry Breaking ◽  
Pion Exchange ◽  
Nucleon Interaction ◽  
Charge Symmetry Breaking ◽  
Charge Symmetry

Light quark mass differences and charge symmetry breaking in hyperon-nucleon interaction

1980 ◽  
Vol 97 (2) ◽  
pp. 305-309 ◽  
Author(s):  
S.N. Biswas ◽  
R.S. Choudhury ◽  
Ashok Goyal ◽  
J.N. Passi
Keyword(s):  
Symmetry Breaking ◽  
Quark Mass ◽  
Light Quark ◽  
Nucleon Interaction ◽  
Charge Symmetry Breaking ◽  
Charge Symmetry ◽  
Light Quark Mass

scholarly journals Constraints on the $$\varLambda $$-Neutron Interaction from Charge Symmetry Breaking in the $$\mathbf {^4_\Lambda \mathrm{He}}$$ - $$\mathbf {^4_\Lambda \mathrm{H}}$$ Hypernuclei

2021 ◽  
Vol 62 (4) ◽  
Author(s):  
Johann Haidenbauer ◽  
Ulf-G. Meißner ◽  
Andreas Nogga
Keyword(s):  
Symmetry Breaking ◽  
Effective Field ◽  
Scattering Data ◽  
Leading Order ◽  
Nucleon Interaction ◽  
Charge Symmetry Breaking ◽  
Chiral Effective Field Theory ◽  
Charge Symmetry ◽  
Neutron Interaction ◽  
Scattering Lengths

AbstractWe utilize the experimentally known difference of the $$\varLambda $$ Λ separation energies of the mirror hypernuclei $${^4_\varLambda \mathrm{He}}$$ Λ 4 He and $${^4_\varLambda \mathrm{H}}$$ Λ 4 H to constrain the $$\varLambda $$ Λ -neutron interaction. We include the leading charge-symmetry breaking (CSB) interaction into our hyperon-nucleon interaction derived within chiral effective field theory at next-to-leading order. In particular, we determine the strength of the two arising CSB contact terms by a fit to the differences of the separation energies of these hypernuclei in the $$0^+$$ 0 + and $$1^+$$ 1 + states, respectively. By construction, the resulting interaction describes all low energy hyperon-nucleon scattering data, the hypertriton and the CSB in $${^4_\varLambda \mathrm{He}}$$ Λ 4 He -$${^4_\varLambda \mathrm{H}}$$ Λ 4 H accurately. This allows us to provide first predictions for the $$\varLambda $$ Λ n scattering lengths, based solely on available hypernuclear data.

Nucleon interaction with 12C studied by the soft-rotator model and a limit on the charge-symmetry breaking in the nuclear mean field

1998 ◽  
Vol 640 (2) ◽  
pp. 147-162 ◽  
Author(s):  
Efrem Sh. Sukhovitskiĩ ◽  
Satoshi Chiba ◽  
Osamu Iwamoto ◽  
Yurij V. Porodzinskiĩ
Keyword(s):  
Symmetry Breaking ◽  
Mean Field ◽  
Nucleon Interaction ◽  
Charge Symmetry Breaking ◽  
Charge Symmetry ◽  
Rotator Model
Sign in / Sign up

Export Citation Format

Share Document