Study of the ^7_{Lambda}He hypernucleus in formalism of the Faddeev equations

Conference · Wed Feb 01 04:00:00 EST 2006 · AIP Conf.Proc.

DOI:https://doi.org/10.1063/1.2176550· OSTI ID:886688

Filikhin, Igor; Suslov, Vladimir M; Vlahovic, Branislav

P-shell A = 7 hypernuclei are considered in the cluster {sub {Lambda}}{sup 5}He + N + N model. The folding procedure are applied to construct the {sub {Lambda}}{sup 5}He-N interaction. We use the OBE simulating NSC97f potential for {Lambda}N interaction and various phenomenological potentials for {alpha}{Lambda} interaction. Configuration space Faddeev calculations are performed for hyperon binding energy of the {sub {Lambda}}{sup 7}He(1/2{sup +}) and {sub {lambda}}{sup 7}Li(1/2{sup +} and 3/2{sup +}, T=0) nuclei. Predicted value for B{sub {Lambda}}({sub {Lambda}}{sup 7}He) is 5.35 MeV. This value is obtained when the {sup {Lambda}}{sup 6}He(2{sup -}) excitation energy is equal 0.26 MeV by the adjustment of pair {sub {Lambda}}{sup 5}He-N effective potential to reproduce the experimental value of the {sub {Lambda}}{sup 7}Li(3/2{sup +}) excitation energy. Our results are compared with those of E. Hiyama et al.

• Research Organization: Thomas Jefferson National Accelerator Facility, Newport News, VA
• Sponsoring Organization: USDOE - Office of Energy Research (ER)
• DOE Contract Number: AC05-84ER40150
• OSTI ID: 886688
• Report Number(s): JLAB-PHY-05-469; DOE/ER/40150-3973
• Conference Information: Journal Name: AIP Conf.Proc. Journal Volume: 814
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BINDING ENERGY
CONFIGURATION
EXCITATION
FADDEEV EQUATIONS
HADRONS
HYPERNUCLEI
HYPERONS
NUCLEI
SPECTROSCOPY