对23P2介子九重态中同位旋标量成员的质量分析

冯学超; 常同钦

doi:10.7498/aps.61.231401

摘要

基于实验上已经确认的基态张量介子九重态的安排和现有的实验数据, 利用从雷吉轨迹理论和质量混合矩阵推导出的介子质量关系, 对张量介子第一径向激发态的安排做了分析预测. 根据得到的结果, 可以推测f2(1810)和f2(2010)可能作为张量介子第一径向激发态的候选者. 同时给出了f2(1810)和f2(2010)作为张量介子第一径向激发态时的衰变信息. 这些结论对激发态张量介子, 特别是其中的同位旋标量态的安排将提供帮助.

关键词:

张量介子 /
九重态 /
质量谱

Abstract

In the view of the experimentally confirmed existence of the a2(1325), f2(1525), f2(1270) and K2*(1430), which are the ground tensor meson 13P2 members, through combining the Regge trajectory and meson mass mixing matrix, we investigate the assignment of the first radial excitation of tensor meson. We suggest that the states f2(1810) and f2(2010) should be the candidates of this assignment. Moreover, some information about decaying of f2(1810) and f2(2010), which serve as pseudoscalar mesons, are presented. The results should be tested in the experiment in the future.

Keywords:

tensor meson /
nonet /
mass spectrum

作者及机构信息

1.
郑州轻工业学院技术物理系, 郑州 450002

Authors and contacts

1.
Department of Technology and Physics, Zhengzhou University of Light Industry, Zhengzhou 450002, China

参考文献

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施引文献

[1]	Eichten E, Gottfried K, Kinoshita T, Kogut John B, Lane K D, Tung-Mow Yan 1975 Phys. Rev. Lett. 34 369
[2]	Stanley D P, Robson D 1980 Phys. Rev. D 21 3180
[3]	Hasenfratz P, Kuti J 1978 Phys. Rep. 40 75
[4]	Chanowitz M S, Sharpe S R 1983 Phys. Lett. B 132 413
[5]	Barnes T, Close F E, Swanson E S 1995 Phys. Rev. D 52 5242
[6]	Close F E, Page P R 1995 Nucl. Phys. B 433 233
[7]	Li D M, Ma B 2008 Phys. Rev. D 77 094021
[8]	Feng X C, Jiang F C 2007 Chin. Phys. B 16 3297
[9]	Liu Y H 2009 Chin. Phys. B 18 1828
[10]	Nakamura K (Particle Data Group) 2010 J. Phys. G 37 075021
[11]	Li D M, Yu H, Shen Q X 2001 J. Phys. G 27 807
[12]	Carvalho W S, Castro A S, Antunes A C B 2002 J. Phys. A 35 7585
[13]	Acciarri M (The L3 Collaboration) 1997 Phys. Lett. B 413 147
[14]	Abe K 2004 (The Belle Collaboration) 2004 Eur. Phys. J. C 32 323
[15]	Abele A (The Crystal Barrel Collaboration) 1999 Eur. Phys. J. C 8 67
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[17]	Close F E, Farrar G R, Li Z 1997 Phys. Rev. D 55 5749
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[19]	Liu Y H, Feng X C, Zhang J J 2010 Eur. Phys. J. A 43 379
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[21]	Brisudova M M, Burakovsky L, Goldman T 1998 Phys. Rev. D 58 114015
[22]	Feng X C, Li D M 2005 Acta Phys. Sin. 54 4084 (in Chinese) [冯学超, 李德民 2005 54 4084]
[23]	Cohen I, Lipkin H J 1979 Nucl. Phys. B 151 16
[24]	Li D M, Li Z 2006 Eur. Phys. J. A 28 369
[25]	Li D M, Ma B, Yu H 2005 Eur. Phys. J. A 26 141
[26]	Li D M, Ma B, Li Y X, Yao Q K, Yu H 2004 Eur. Phys. J. C 37 323
[27]	Wei K W, Dong X P, Lu G 2011 Int. J. Mod. Phys. A 26 2065
[28]	Brisudova M M, Burakovsky L, Goldmann T 2000 Phys. Rev. D 61 054013
[29]	Godfrey S, Isgur N 1985 Phys. Rev. D 32 189
[30]	Anisovich A V, Anisovich V V, Sarantsev A V 2000 Phys. Rev. D 62 051502
[31]	Burakovsky L, Goldman T, Horwitz L P 1997 Phys. Rev. D 56 7119
[32]	Burakovsky L, Goldman T, Horwitz L P 1998 J. Phys. G 24 771
[33]	Costa de Beauregard G 1980 Nucl. Phys. B 175 402
[34]	Uehara S (The Belle Collaboration) 2010 Phys. Rev. D 82 114031
[35]	Etkin A 1988 Phys. Lett. B 201 568
[36]	Anisovich V V 2004 JETP Lett. 80 715
[37]	Bramon A, Escribano R, Scadron M D 1999 Eur. Phys. J. C 7 271

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