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轴矢介子的质量和混合角

吕健 杨光

轴矢介子的质量和混合角

吕健, 杨光
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  • 根据质量劈裂公式计算了轴矢介子多重态(11P1)中底偶素的质量,然后利用粒子表上最新的实验数据,在雷吉唯象的框架下计算轴矢介子多重态中双重介子Bc1、奇异偶素(ss-bar和奇异介子K1B的质量. 最后在介子-介子混合的框架下,计算了K1A - K1B混合角和轴矢介子九重态中两个同位旋标量态的混合角. 我们建议实验上在1478 MeV能量附近进一步研究轴矢介子h1(1380)的性质,在6774 MeV能量附近寻找和研究轴矢介子Bc1(1P).本文的计算结果对于实验上寻找还没有观测到的双重介子态Bc1以及理解K1A - K1B混合和轴矢介子九重态的混合有一定的意义.
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    Li D M, Yu H, Shen Q X 2001 J. Phys. G 27 807

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  • [1]

    Nakamura K, Hagiwara K, Hikasa K (Particle Data Group) 2010 J. Phys. G 37 075021

    [2]
    [3]

    Amsler C, Doser M, Antonelli M (Particle Data Group) 2008 Phys. Lett. B 667 1

    [4]

    Aston D, Awaji N, Bienz T, Bird F, Amore J D, Dunwoodie W, Endorf R, Fujii K, Hayashi H, Iwata S, Johnson W b, Kajikawa R, Kunz P, Leith D W G s, Levinson L, Matsui T, Meadows B T, Miyamoto A, Nussbaum M, Ozaki H, Pak C O, ratcliff B N, Schultz D, Shapiro S, Shimomura T, Sinervo P K, Sugiyama A, Suzuki S, Tarnopolsky G, Tauchi T, Toge N, Ukai K, Waite A, Williams S 1988 Phys. Lett. B 201 573

    [5]
    [6]

    Abele A, Adomeit J, Amsler C (Crystal Barrel Collaboration) 1997 Phys. Lett. B 415 280

    [7]
    [8]

    Regge, T 1959 Nuovo Cim. 14, 951; Regge T, 1960 Nuovo Cim. 18 947

    [9]
    [10]

    Chew G F, Frantschi S C 1961 Phys. Rev. Letters 7 394; Chew G F, Frantschi S C 1962 Phys. Rev. Letters 8 41

    [11]
    [12]
    [13]

    Collins P D B, 1977, An introduction to Regge theory and high energy physics(1st ed), (Cambridge University Press)p102; Gribov V N, 2003, The theory of complex angular momenta: Gribov lectures on theoretical physics(1st ed), (Cambridge University Press)p32

    [14]
    [15]

    Guo S H 1965 Acta Phys. Sin. 21 1689 (in Chinese) [郭硕鸿 1965 物理学报 21 1689]

    [16]

    Kaidalov A B 1982 Z. Phys. C 12 63

    [17]
    [18]

    Brower R C, Ellis J, Schmidt M G, Weis J H 1977 Nucl. Phys. B 128 175

    [19]
    [20]

    Kawarabayashi K, Kitakado S, Yabuki H, 1969 Phys. Lett. B 28 432

    [21]
    [22]

    Cassing W, Kondratyuk L A, Lykasov G I, Rzjanin M V, 2001 Phys. Lett. B 513 1

    [23]
    [24]

    Guo X H, Wei K W, Wu X H 2008 Phys. Rev. D 78 056005

    [25]
    [26]
    [27]

    Li D M, Wei K W, Yu H 2005 Eur. Phys. J. A 25 263 Feng X C, Wei K W and Zhang G J 2006 Chin. Phys. 15 2906 Liu Y H, Feng X C, Zhang J J, 2010 Eur. Phys. J. A 43 379

    [28]
    [29]

    Anisovich A V, Anisovich V V, Sarantsev A V 2000 Phys. Rev. D 62 051502(R);Anisovich V V 2002 AIP Conf. Proc. 619, 197;Anisovich V V 2004 Phys. Usp. 47 45 ;Anisovich VV, 2004 AIP Conf. Proc. 717 441

    [30]

    Burakovsky L, Goldman T, Horwitz L P, 1997 Phys. Rev. D 56 7119; Burakovsky L, Goldman T, Horwitz L P, 1998 J. Phys. G 24 771

    [31]
    [32]
    [33]

    Zhang A, 2005 Phys. Rev. D 72 017902

    [34]

    Li D M, Ma B, Li Y X, Yao Q K, Yu H, 2004 Eur. Phys. J. C 37 323

    [35]
    [36]
    [37]

    Feng X C, Jiang F C, Chang T Q, Feng J L 2008 Chinese Physics B 17 4472 Feng X C, Li D M 2005 Acta Phys. Sin. 54 4084 (in Chinese) [冯学超、李德民 2005 物理学报 54 4084]

    [38]

    Liu Y H 2009 Chinese Physics B 18 1828

    [39]
    [40]
    [41]

    Eichten E J, Quigg C 1994 Phys. Rev. D 49 5845

    [42]

    Zhang A 2007 Phys. Lett. B 647 140 Kong Y M, Zhang A 2007 Phys. Lett. B 657 192

    [43]
    [44]
    [45]

    Motyka L, Zalewski K 1998 Eur. Phys. J. C 4 107

    [46]
    [47]

    Lees J P, Poireau V, Prencipe E (The BABAR Collaboration) 2011 arXiv:1102.4565

    [48]
    [49]

    Wei K W, Guo X H 2010 Phys. Rev. D 81 076005

    [50]

    El-Hady Abd A, Spence J R, Vary J P 2005 Phys. Rev. D 71 034006

    [51]
    [52]

    Chiu T W, Hsieh T H, Huang C H, Ogawa K (TWQCD Collaboration), 2007 Phys. Lett. B 651 171

    [53]
    [54]

    Davies C T H, Hornbostel K, Lepage G P, Lidsey A J, Shigemitsu J, Sloan J H, 1996 Phys. Lett. B 382 131

    [55]
    [56]
    [57]

    Ebert D, Faustov R N, Galkin V O, 2003 Phys. Rev. D 67 014027

    [58]
    [59]

    Godfrey S, 2004 Phys. Rev. D 70 054017

    [60]
    [61]

    Chen Y Q, Kuang Y P, 1992 Phys. Rev. D 46 1165.

    [62]
    [63]

    Fulcher L P, 1999 Phys. Rev. D 60 074006

    [64]

    Delbourgo R, Scadron M D 1998 Int. J. Mod. Phys. A 13 657 Scadron M D et al, 2004 Phys. Rev. D 69 014010

    [65]
    [66]
    [67]

    Li D M, Yu H, Shen Q X 2001 J. Phys. G 27 807

    [68]

    Chliapnikov P V 2000. Phys. Lett. B 496 129.Burakovsky L, Goldman T 1998 Phys. Rev. D 57 2879

    [69]
    [70]

    Suzuki M, 1997 Phys. Rev. D 47 1252

    [71]
    [72]
    [73]

    Vijande J, Fern'andez F, Valcarce A 2005 J. Phys. G 31 481

    [74]

    Cheng H Y 2003 Phys. Rev. D 67 094007

    [75]
    [76]

    Li D M, Ma B, Yu H 2005 Eur. Phys. J. A 26 141

    [77]
    [78]

    Godfrey S, Isgur N 1985 Phys. Rev. D 32 189

    [79]
  • [1] 冯学超, 李德民. 对31S0介子九重态中ss成员的质量分析. 物理学报, 2005, 54(9): 4084-4086. doi: 10.7498/aps.54.4084
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    [14] 张肇西. 中性赝标介子双光子湮灭和它们可能的混合. 物理学报, 1976, 147(1): 74-77. doi: 10.7498/aps.25.74
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出版历程
  • 收稿日期:  2011-04-15
  • 修回日期:  2011-05-16
  • 刊出日期:  2011-10-15

轴矢介子的质量和混合角

  • 1. 华北水利水电学院数学与信息科学学院,郑州 450011;
  • 2. 焦作大学基础科学系,焦作 454000

摘要: 根据质量劈裂公式计算了轴矢介子多重态(11P1)中底偶素的质量,然后利用粒子表上最新的实验数据,在雷吉唯象的框架下计算轴矢介子多重态中双重介子Bc1、奇异偶素(ss-bar和奇异介子K1B的质量. 最后在介子-介子混合的框架下,计算了K1A - K1B混合角和轴矢介子九重态中两个同位旋标量态的混合角. 我们建议实验上在1478 MeV能量附近进一步研究轴矢介子h1(1380)的性质,在6774 MeV能量附近寻找和研究轴矢介子Bc1(1P).本文的计算结果对于实验上寻找还没有观测到的双重介子态Bc1以及理解K1A - K1B混合和轴矢介子九重态的混合有一定的意义.

English Abstract

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