A note on Ξc(3055)+ and Ξc(3123)+

LIU Xiang; CHEN Chong; DENG Wei-Zhen; CHEN Xiao-Lin

doi:10.1088/1674-1137/32/6/002

Chinese Physics C> 2008, Vol. 32> Issue(6) : 424-427 DOI: 10.1088/1674-1137/32/6/002

A note on Ξ_c(3055)⁺ and Ξ_c(3123)⁺

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Abstract：
The Babar Collaboration announced two new excited charmed baryonsΞ_c(3055)⁺ and Ξ_c(3123)⁺. We study their strong decays assuming they are D-wave states. Some assignments are excluded by comparing our numerical results with the experimental values of the total widths of Ξ_c(3055)⁺ and Ξ_c(3123)⁺. We also suggest some possible decay modes, which will be helpful to
determine the properties of Ξ_c(3055)⁺ and Ξ_c(3123)⁺

References

[1]

. Schrder T (Babar Collaboration). Talk given at the EPS High Energy Physics Conference, Manchester, July, 20072. Aubert B et al (BABAR Collaboration). arXiv: hepex/06070423. Chistov R et al (BELLE Collaboration). Phys. Rev. Lett.,2006, 97: 1620014. Aubert B et al (BABAR Collaboration). Phys. Rev. Lett.,2006, 97: 2320015. Aubert B et al (BABAR Collaboration). Phys. Rev. Lett.,2007, 98: 0120016. Mizuk R et al (BELLE Collaboration). Phys. Rev. Lett.,2007, 98: 2620017. CHEN C, CHEN X L, LIU X et al. Phys. Rev. D, 2007,75: 0940178. Micu L. Nucl. Phys. B, 1969, 10: 5219. Le Yaouanc A, Oliver L, Pene O et al. Phys. Rev. D, 1973,8: 2223; D, 1974, 9: 1415; D, 1975, 11: 1272; Phys. Lett.B, 1977, 71: 57; B, 1977, 71: 39710. Le Yaouanc A, Oliver L, Pène O et al. Phys. Lett. B, 1977,72: 5711. Le Yaouanc A, Oliver L, Pène O et al. Hadron Transitionsin the Quark Model. New York: Gordon and Breach Science Publishers, 198712. Blundell H G, Godfrey S. Phys. Rev. D, 1996, 53: 370013. Page P R. Nucl. Phys. B, 1995, 446: 189; Capstick S, IsgurN. Phys. Rev. D, 1986, 34: 280914. Capstick S, Roberts W. Phys. Rev. D, 1994, 49: 457015. Ackleh E S, Barnes T, Swanson E S. Phys. Rev. D, 1996,54: 681116. ZHOU H Q, PING R G, ZOU B S. Phys. Lett. B, 2005,611: 12317. GUO X H, KE H W, LI X Q et al. Commun. Theor. Phys.,2007, 48: 509-51818. LU J, DENG W Z, CHEN X L et al. Phys. Rev. D, 2006,73: 054012; ZHANG B, LIU X, ZHU S L. Eur. Phys. J. C,2007, 50: 61719. Capstick S, Roberts W. Phys. Rev. D, 1993, 47: 199420. Blundell H G, Godfrey S. Phys. Rev. D, 1996, 53: 370021. Close F E, Swanson E S. Phys. Rev. D, 2005, 72: 09400422. Capstick S, Isgur N. Phys. Rev. D, 1986, 34: 2809

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LIU Xiang, CHEN Chong, DENG Wei-Zhen and CHEN Xiao-Lin. A note on Ξ_c(3055)⁺ and Ξ_c(3123)⁺[J]. Chinese Physics C, 2008, 32(6): 424-427. doi: 10.1088/1674-1137/32/6/002

LIU Xiang, CHEN Chong, DENG Wei-Zhen and CHEN Xiao-Lin. A note on Ξ_c(3055)⁺ and Ξ_c(3123)⁺[J]. Chinese Physics C, 2008, 32(6): 424-427. doi: 10.1088/1674-1137/32/6/002 shu

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Received: 2007-09-24
Revised: 2007-10-08

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沈阳化工大学材料科学与工程学院沈阳 110142

A note on Ξ_c(3055)⁺ and Ξ_c(3123)⁺

Corresponding author: LIU Xiang,

Received Date: 2007-09-24
Accepted Date: 2007-10-08
Available Online: 2008-06-05

Abstract: The Babar Collaboration announced two new excited charmed baryonsΞ_c(3055)⁺ and Ξ_c(3123)⁺. We study their strong decays assuming they are D-wave states. Some assignments are excluded by comparing our numerical results with the experimental values of the total widths of Ξ_c(3055)⁺ and Ξ_c(3123)⁺. We also suggest some possible decay modes, which will be helpful to
determine the properties of Ξ_c(3055)⁺ and Ξ_c(3123)⁺