Abstract

We have estimated the magnetic moments of these nuclei  in the Hybrid Quark Model. When the Λ-hyperon forms a six-quark bag with the core nucleons, the Schmidt values get modified. In the case of hypernuclei with closed core+configuration, the quark correction ranges between 0.1 to 2.1 %, the deviation being largest for. Earlier studies have shown that the comparison of predicted magnetic moments, with those of others calculations results very close to Schmidt value and has shown that correction arising due to various renormalization processes tend to cancel each other Thus any departure from the Schmidt values in the observed magnetic moments can be attributed to the quark effects.

Keyword: Hypernuclei, six-quark probability, Schmidt values, hybrid quark model (HQM)

Full Text PDF

Refrences:

1. Tanaka Y. Phys. Let. B. 1989; 227: 195p.
2. Takeuchi S, Shimizu K. Phys. Lett. B.
1986; 179: 197p.
3. Radhey Shyam, Rama Shyam, Phatak SC.
Phys. Rev. 1988; C38: 1955p.
4. Gambhir et al. Ann. Phys. 1990; 198:
132p.
5. Furnstahl RJ, Price CE. Phys. Rev. C.
1989; 40: 1398p.
6. McNeil JA, et al. Phys. Rev. C. 1986; 34:
746p.
7. Cohen J, Furnstahi RJ. Phys. Rev. 1987;
C35: 2231p.
8. Mares J, Zofka J. Phys. Lett. B. 1990; 249:
181p.
9. Dover CB, Gal A. Progress in Particle and
Nuclear Physics, edited by D. Wilkinson,
Oxford: Pergamon; 1984. pp. 171–239.
10. Gattone AO, Chia P, Parini M, Izquierrdo
ED. Phys. Rev. C. 1991; 44: 548p.
11. Cohen J, Noble JV. Phys. Rev. C. 1992;
46: 801p.
12. Dover CB, Feshbach H, Gal A. Phys. Rev.
C. 1985; 51: 541p.
13. Thomas AW. Adv. Nucl. Phys. 1983; 13:
1p.
14. Karl G, Miller AA, Rafeliski. J. Phys.
Lett. B. 1984; 143: 326p.

15. Madhulika Mehrotra. Magnetic Moments
of mirror hypernuclei with X-N-Λ
configuration 6 Λ He ∼ 6 Λ Li and 14 Λ C
∼ 14 Λ N with hybrid quark model.
Journal of Nuclear Engineering &
Technology. 2018; 8(2): 15–23p.
16. Mujib F, Shoeb M, Usmani QN, Khan M
ZR. J Phys. G. Nucl. Phys. 1979; 5: 541p.
17. Motoba et al. Prog. Theor. Phys. 1994;
Suppl. 117p.
18. Shlomo S. Phys. Lett. B. 1972; 42: 146p.
19. Modarres M. J. Phys. G. Nucl. Part. Phys.
1994; 20: 1423p.
20. Saito TR et al. Known and exotic light
hypernuclei studied with the 6Li+12C
reaction at 2 A GeV. Journal of Physics:
Conference Series, 2015; 590, conference
1: 012018p.