The properties of the three-nucleon system with the dressed-bag model for $NN$ interaction. II: Coulomb and CSB effects

Abstract

Coulomb and charge-symmetry breaking effects in the ${}^3$He ground state within the dressed dibaryon model developed recently for $2N$ and $3N$ forces are examined in detail. Particular attention has been paid to the Coulomb displacement energy $\Delta E_C=E_B{(}^3\mathrm{H})-E_B{(}^3\mathrm{He})$ and rms charge radii of ${}^3$H and ${}^3$He. A new scalar $3N$ force between the third nucleon a$dibaryonisfoundtobeveryimportantforacorrectdescriptionoftheCoulombenergyandrmschargeradiusin$^3$He.Inviewofthenewresultsfor$ΔE_C$ obtained here, the role of the effects of charge symmetry breaking in the nuclear force is discussed.

arXiv comment22 pages, Latex

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Cited by in corpus (7)

• Description of intermediate- and short-range NN nuclear force within a covariant effective field theory
• Experimental and theoretical evidences for an intermediate $\sigma$-dressed dibaryon in the NN interaction
• Isoscalar short-range current in the deuteron induced by an intermediate dibaryon
• To the nature of nuclear force
• Resonance Structure in the $\gamma \gamma$ Invariant Mass Spectrum in $p$C- and $d$C-Interactions
• Elastic Nd scattering at intermediate energies as a tool for probing the short-range deuteron structure
• Properties of dibaryons in nuclear medium