Weak decays of doubly heavy baryons: &ldquo;decay constants&rdquo;

Xiao-Hui Hu; Yue-Long Shen; Wei Wang; Zhen-Xing Zhao

doi:10.1088/1674-1137/42/12/123102

Chinese Physics C> 2018, Vol. 42> Issue(12) : 123102 DOI: 10.1088/1674-1137/42/12/123102

Weak decays of doubly heavy baryons: “decay constants”

1.
INPAC, Shanghai Key Laboratory for Particle Physics and Cosmology, MOE Key Laboratory for Particle Physics, Astrophysics and Cosmology, School of Physics and Astronomy, Shanghai Jiao-Tong University, Shanghai 200240, China
2.
College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China

Abstract
HTML
Reference
Related

PDF

Abstract：
Inspired by the recent observation of the Ξ_cc⁺⁺ by the LHCb Collaboration, we explore the "decay constants" of doubly heavy baryons in the framework of QCD sum rules. With the Ξ_cc, Ξ_bc, Ξ_bb, and Ω_cc, Ω_bc, Ω_bb baryons interpolated by three-quark operators, we calculate the correlation functions using the operator product expansion and include the contributions from operators up to dimension six. On the hadron side, we consider both contributions from the lowest-lying states with J^P=1/2⁺ and from negative parity baryons with J^P=1/2^-. We find that the results are stable and the contaminations from negative parity baryons are not severe. These results are ingredients for the QCD study of weak decays and other properties of doubly-heavy baryons.
- doubly heavy baryons ,
- decay constant ,
- QCD sum rules

References

[1]	M. Mattson et al (SELEX Collaboration), Phys. Rev. Lett., 89:112001(2002) doi:10.1103/PhysRevLett.89.112001[hep-ex/0208014].
[2]	A. Ocherashvili et al (SELEX Collaboration), Phys. Lett. B, 628:18(2005), doi:10.1016/j.physletb.2005.09.043,[hep-ex/0406033]
[3]	S. P. Ratti, Nucl. Phys. Proc. Suppl., 115:33(2003), doi:10.1016/S0920-5632(02)01948-5
[4]	B. Aubert et al (BaBar Collaboration), Phys. Rev. D, 74:011103(2006), doi:10.1103/PhysRevD.74.011103,[hep-ex/0605075]
[5]	R. Chistov et al (Belle Collaboration), Phys. Rev. Lett., 97:162001(2006), doi:10.1103/PhysRevLett.97.162001,[hep-ex/0606051]
[6]	R. Aaij et al (LHCb Collaboration), JHEP, 1312:090(2013), doi:10.1007/JHEP12(2013)090, arXiv:1310.2538[hep-ex]
[7]	Y. Kato et al (Belle Collaboration), Phys. Rev. D, 89(5):052003(2014), doi:10.1103/PhysRevD.89.052003, arXiv:1312.1026[hep-ex]
[8]	R. Aaij et al (LHCb Collaboration), Phys. Rev. Lett., 119(11):112001(2017), doi:10.1103/PhysRevLett.119.112001, arXiv:1707.01621[hep-ex]
[9]	H. X. Chen, Q. Mao, W. Chen, X. Liu, and S. L. Zhu, Phys. Rev. D, 96(3):031501(2017), doi:10.1103/PhysRevD.96.031501, arXiv:1707.01779[hep-ph]
[10]	F. S. Yu, H. Y. Jiang, R. H. Li, C. D. L, W. Wang, and Z. X. Zhao, arXiv:1703.09086[hep-ph]
[11]	W. Wang, F. S. Yu, and Z. X. Zhao, Eur. Phys. J. C, 77(11):781(2017), doi:10.1140/epjc/s10052-017-5360-1, arXiv:1707.02834[hep-ph]
[12]	H. S. Li, L. Meng, Z. W. Liu, and S. L. Zhu, Phys. Rev. D, 96(7):076011(2017), doi:10.1103/PhysRevD.96.076011, arXiv:1707.02765[hep-ph]
[13]	L. Meng, N. Li, and S. l. Zhu, arXiv:1707.03598[hep-ph]
[14]	W. Wang, Z. P. Xing, and J. Xu, Eur. Phys. J. C, 77(11):800(2017), doi:10.1140/epjc/s10052-017-5363-y, arXiv:1707.06570[hep-ph]
[15]	M. Karliner and J. L. Rosner, Phys. Rev. Lett., 119(20):202001(2017), doi:10.1103/PhysRevLett.119.202001, arXiv:1707.07666[hep-ph]
[16]	T. Gutsche, M. A. Ivanov, J. G. Krner, and V. E. Lyubovitskij, Phys. Rev. D, 96(5):054013(2017), doi:10.1103/PhysRevD.96.054013, arXiv:1708.00703[hep-ph]
[17]	H. S. Li, L. Meng, Z. W. Liu, and S. L. Zhu, arXiv:1708.03620[hep-ph]
[18]	Z. H. Guo, Phys. Rev. D, 96(7):074004(2017), doi:10.1103/PhysRevD.96.074004, arXiv:1708.04145[hep-ph]
[19]	Q. F. L, K. L. Wang, L. Y. Xiao, and X. H. Zhong, arXiv:1708.04468[hep-ph]
[20]	L. Y. Xiao, K. L. Wang, Q. f. Lu, X. H. Zhong, and S. L. Zhu, Phys. Rev. D, 96(9):094005(2017), doi:10.1103/PhysRevD.96.094005, arXiv:1708.04384[hep-ph]
[21]	N. Sharma and R. Dhir, arXiv:1709.08217[hep-ph]
[22]	Y. L. Ma and M. Harada, arXiv:1709.09746[hep-ph]
[23]	L. Meng, H. S. Li, Z. W. Liu, and S. L. Zhu, arXiv:1710.08283[hep-ph]
[24]	R. H. Li, C. D. L, W. Wang, F. S. Yu, and Z. T. Zou, Phys. Lett. B, 767:232(2017), doi:10.1016/j.physletb.2017.02.003, arXiv:1701.03284[hep-ph]
[25]	C. Y. Wang, C. Meng, Y. Q. Ma, and K. T. Chao, arXiv:1708.04563[hep-ph]
[26]	Y. J. Shi, W. Wang, Y. Xing, and J. Xu, Eur. Phys. J. C, 78(1):56(2018), doi:10.1140/epjc/s10052-018-5532-7, arXiv:1712.03830[hep-ph]
[27]	L. Y. Xiao, Q. F. L, and S. L. Zhu, arXiv:1712.07295[hep-ph]
[28]	X. Yao and B. Mller, arXiv:1801.02652[hep-ph]
[29]	Z. X. Zhao, arXiv:1805.10878[hep-ph]
[30]	Z. P. Xing and Z. X. Zhao, arXiv:1807.03101[hep-ph].
[31]	P. Colangelo and A. Khodjamirian, In Shifman, M. (ed.):At the frontier of particle physics, vol. 31495-1576[hep-ph/0010175]
[32]	L. J. Reinders and S. Yazaki, Nucl. Phys. B, 288:789(1987), doi:10.1016/0550-3213(87)90238-0
[33]	H. Castillo, C. A. Dominguez, and M. Loewe, JHEP, 0503:012(2005), doi:10.1088/1126-6708/2005/03/012,[hep-ph/0302271]
[34]	V. V. Kiselev and A. V. Tkabladze, Sov. J. Nucl. Phys., 50:1063(1989),[Yad. Fiz., 50:1714(1989)]
[35]	S. Narison, Phys. Lett. B, 198:104(1987), doi:10.1016/0370-2693(87)90168-7
[36]	N. Bilic, C. A. Dominguez, and B. Guberina, Z. Phys. C, 39:351(1988)
[37]	L. J. Reinders and S. Yazaki, Phys. Lett. B, 212:245(1988), doi:10.1016/0370-2693(88)90533-3
[38]	A. A. Penin and M. Steinhauser, Phys. Rev. D, 65:054006(2002), doi:10.1103/PhysRevD.65.054006,[hep-ph/0108110]
[39]	M. Neubert, Phys. Rev. D, 45:2451(1992), doi:10.1103/PhysRevD.45.2451
[40]	P. Colangelo, G. Nardulli, and N. Paver, Z. Phys. C, 57:43(1993), doi:10.1007/BF01555737
[41]	J. R. Zhang and M. Q. Huang, Phys. Rev. D, 78:094007(2008), doi:10.1103/PhysRevD.78.094007, arXiv:0810.5396[hep-ph]
[42]	Z. G. Wang, Eur. Phys. J. A, 45:267(2010), doi:10.1140/epja/i2010-11004-3, arXiv:1001.4693[hep-ph]
[43]	Z. G. Wang, Eur. Phys. J. C, 68:459(2010), doi:10.1140/epjc/s10052-010-1357-8, arXiv:1002.2471[hep-ph]
[44]	Z. G. Wang, Eur. Phys. J. A, 47:81(2011), doi:10.1140/epja/i2011-11081-8, arXiv:1003.2838[hep-ph]
[45]	T. M. Aliev, K. Azizi, and M. Savci, Nucl. Phys. A, 895:59(2012), doi:10.1016/j.nuclphysa.2012.09.009, arXiv:1205.2873[hep-ph]
[46]	T. M. Aliev, K. Azizi, and M. Savci, J. Phys. G, 40:065003(2013), doi:10.1088/0954-3899/40/6/065003, arXiv:1208.1976[hep-ph]
[47]	V. Braun, R. J. Fries, N. Mahnke, and E. Stein, Nucl. Phys. B, 589:381(2000), Erratum:[Nucl. Phys. B, 607:433(2001)], doi:10.1016/S0550-3213(00)00516-2, 10.1016/S0550-3213(01)00254-1,[hep-ph/0007279]
[48]	D. Jido, N. Kodama, and M. Oka, Phys. Rev. D, 54:4532(1996), doi:10.1103/PhysRevD.54.4532,[hep-ph/9604280]
[49]	A. Khodjamirian, C. Klein, T. Mannel, and Y.-M. Wang, JHEP, 1109:106(2011), doi:10.1007/JHEP09(2011)106, arXiv:1108.2971[hep-ph]
[50]	C. Patrignani et al (Particle Data Group), Chin. Phys. C, 40(10):100001(2016), doi:10.1088/1674-1137/40/10/100001
[51]	Z. G. Wang, Commun. Theor. Phys., 66(3):335(2016), doi:10.1088/0253-6102/66/3/335, arXiv:1602.08711[hep-ph]
[52]	M. A. Shifman, A. I. Vainshtein, and V. I. Zakharov, Nucl. Phys. B, 147:385(1979), doi:10.1016/0550-3213(79)90022-1
[53]	L. J. Reinders, H. Rubinstein, and S. Yazaki, Phys. Rept., 127:1(1985), doi:10.1016/0370-1573(85)90065-1
[54]	P. Colangelo, C. A. Dominguez, G. Nardulli, and N. Paver, Phys. Rev. D, 54:4622(1996), doi:10.1103/PhysRevD.54.4622,[hep-ph/9512334]
[55]	Z. S. Brown, W. Detmold, S. Meinel, and K. Orginos, Phys. Rev. D, 90(9):094507(2014), doi:10.1103/PhysRevD.90.094507, arXiv:1409.0497[hep-lat]
[56]	Z. G. Wang, Eur. Phys. J. A, 49:131(2013), doi:10.1140/epja/i2013-13131-7, arXiv:1203.6252[hep-ph]
[57]	P. Colangelo and F. De Fazio, Phys. Lett. B, 387:371(1996), doi:10.1016/0370-2693(96)01049-0,[hep-ph/9604425]
[58]	A. Lenz, Int. J. Mod. Phys. A, 30(10):1543005(2015), doi:10.1142/S0217751X15430058, arXiv:1405.3601[hep-ph]
[59]	M. Kirk, A. Lenz, and T. Rauh, arXiv:1711.02100[hep-ph]

[1]	Zhi-Gang Wang . B_c meson and its scalar cousin with QCD sum rules. Chinese Physics C, 2024, 48(10): 103104. doi: 10.1088/1674-1137/ad5a71
[2]	T.M. Aliev , S. Bilmis , M. Savcı . QCD sum rule study of J^P = 1^± exotic states with two heavy quarks in the molecular picture. Chinese Physics C, 2024, 48(6): 063103. doi: 10.1088/1674-1137/ad305f
[3]	Bing-Dong Wan , Hong-Tai Xu . 0^{– –} hidden-heavy tetraquark states via QCD sum rules. Chinese Physics C, 2024, 48(9): 093103. doi: 10.1088/1674-1137/ad53b7
[4]	Xiu-Wu Wang , Zhi-Gang Wang . Analysis of P_cs(4338) and related pentaquark molecular states via QCD sum rules. Chinese Physics C, 2023, 47(1): 013109. doi: 10.1088/1674-1137/ac9aab
[5]	Xuan Luo , Hai-Bing Fu , Hai-Jiang Tian . Investigation of Z-boson decay into $ {\boldsymbol\Xi_{\boldsymbol bc}} $ and ${ \boldsymbol\Xi_{\boldsymbol bb}} $ baryons within the NRQCD factorization approach. Chinese Physics C, 2023, 47(5): 053102. doi: 10.1088/1674-1137/acbc0e
[6]	A. R. Olamaei , K. Azizi , S. Rostami . Strong vertices of doubly heavy spin-3/2 baryons with light pseudoscalar mesons. Chinese Physics C, 2021, 45(11): 113107. doi: 10.1088/1674-1137/ac224b
[7]	S. Rostami , K. Azizi , A. R. Olamaei . Strong Coupling Constants of the Doubly Heavy Spin-1/2 Baryons with Light Pseudoscalar Mesons. Chinese Physics C, 2021, 45(2): 023120. doi: 10.1088/1674-1137/abd084
[8]	Ren-Hua Wu , Yu-Sheng Zuo , Ce Meng , Yan-Qing Ma , Kuang-Ta Chao . NLO effects for Ω_QQQ baryons in QCD Sum Rules. Chinese Physics C, 2021, 45(9): 093103. doi: 10.1088/1674-1137/ac0b3c
[9]	Qin Chang , Xiao-Nan Li , Xin-Qiang Li , Fang Su . Decay constants of pseudoscalar and vector mesons with improved holographic wavefunction. Chinese Physics C, 2018, 42(7): 073102. doi: 10.1088/1674-1137/42/7/073102
[10]	Virendrasinh Kher , Ajay Kumar Rai . Spectroscopy and decay properties of charmonium. Chinese Physics C, 2018, 42(8): 083101. doi: 10.1088/1674-1137/42/8/083101
[11]	Jian-Rong Zhang , Jing-Lan Zou , Jin-Yun Wu . 0⁺ tetraquark states from improved QCD sum rules: delving into X(5568). Chinese Physics C, 2018, 42(4): 043101. doi: 10.1088/1674-1137/42/4/043101
[12]	Guo-Liang Yu , Zhi-Gang Wang , Zhen-Yu Li . Analysis of the strong coupling form factors of ∑_bNB and∑_cND in QCD sum rules. Chinese Physics C, 2017, 41(8): 083104. doi: 10.1088/1674-1137/41/8/083104
[13]	Virendrasinh Kher , Nayneshkumar Devlani , Ajay Kumar Rai . Spectroscopy, decay properties and Regge trajectories of the B and B_s mesons. Chinese Physics C, 2017, 41(9): 093101. doi: 10.1088/1674-1137/41/9/093101
[14]	Qi-Nan Wang , Zhu-Feng Zhang , T. G. Steele , Hong-Ying Jin , Zhuo-Ran Huang . A comprehensive revisit of the ρ meson with improved Monte-Carlo based QCD sum rules. Chinese Physics C, 2017, 41(7): 074107. doi: 10.1088/1674-1137/41/7/074107
[15]	Zhi-Gang Wang . Analysis of the Y (4220) and Y (4390) as molecular states with QCD sum rules. Chinese Physics C, 2017, 41(8): 083103. doi: 10.1088/1674-1137/41/8/083103
[16]	YOU Fu-Yi , WANG Zhi-Gang , WAN Shao-Long . Analysis of (1/2)⁺ baryon states containing fourth-family quarks from QCD sum rules. Chinese Physics C, 2012, 36(6): 498-504 . doi: 10.1088/1674-1137/36/6/004
[17]	SUN Yan-Jun , WANG Zhi-Gang , HUANG Tao . B → A transitions in the light-cone QCD sum rules with the chiral current. Chinese Physics C, 2012, 36(11): 1046-1054. doi: 10.1088/1674-1137/36/11/003
[18]	E. Hernandez , J. Nieves . Role of hyperfine mixing in b→c semileptonic decays of doubly-heavy baryons. Chinese Physics C, 2010, 34(9): 1488-1490. doi: 10.1088/1674-1137/34/9/080
[19]	A. Deur . Study of spin sum rules (and the strong coupling constant at large distances). Chinese Physics C, 2009, 33(12): 1261-1266. doi: 10.1088/1674-1137/33/12/035
[20]	ZHANG Jian-Rong , HUANG Ming-Qiu . Heavy flavor baryon spectra via QCD sum rules. Chinese Physics C, 2009, 33(12): 1385-1388. doi: 10.1088/1674-1137/33/12/061

Access

Figures(1)

Get Citation

Xiao-Hui Hu, Yue-Long Shen, Wei Wang and Zhen-Xing Zhao. Weak decays of doubly heavy baryons: “decay constants”[J]. Chinese Physics C, 2018, 42(12): 123102. doi: 10.1088/1674-1137/42/12/123102

Xiao-Hui Hu, Yue-Long Shen, Wei Wang and Zhen-Xing Zhao. Weak decays of doubly heavy baryons: “decay constants”[J]. Chinese Physics C, 2018, 42(12): 123102. doi: 10.1088/1674-1137/42/12/123102 shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2018-06-28

Fund

Supported by National Natural Science Foundation of China (11575110, 11655002, 11735010), Natural Science Foundation of Shanghai (15DZ2272100, 15ZR1423100), Shanghai Key Laboratory for Particle Physics and Cosmology and Key Laboratory for Particle Physics, Astrophysics and Cosmology, Ministry of Education

Article Metric

Article Views(1887)
PDF Downloads(60)
Cited by(0)

Policy on re-use

To reuse of Open Access content published by CPC, for content published under the terms of the Creative Commons Attribution 3.0 license (“CC CY”), the users don’t need to request permission to copy, distribute and display the final published version of the article and to create derivative works, subject to appropriate attribution.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Weak decays of doubly heavy baryons: “decay constants”

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article

Weak decays of doubly heavy baryons: “decay constants”

Corresponding author: Wei Wang,

Corresponding author: Zhen-Xing Zhao,

HTML

目录