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《中国物理C》（英文）编辑部
2024年10月30日
Chinese Physics C> 2007, Vol. 31> Issue(7) : 607-611 

Effects of the Little Higgs Models on Single Top Production at the e－γ Colliders

  •  Henan Institute of Science and Technology, Xinxiang 453003, China2 Xinxiang Medical University, Xinxiang 453003, China3 College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China

  • In the framework of the littlest Higgs(LH) model and the littlest Higgs model with T-parity(LHT), we investigate the single top production process e－γ→νebt, and calculate the corrections of these two models to the cross section of this process. We find that in the reasonable parameter space, the correction terms for the tree-level Wtb couplings coming from the LHT model can generate significantly corrections to the cross section of this process, which might be detected in the future high energy linear e+e－ collider(ILC) experiments. However, the contributions of the new gauge boson W±H predicted by the LH model to this process are very small.
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    [1] . Arkani-Hamed N, Cohen A G, Georgi H. Phys. Lett., 2001,B513: 232; Arkani-Hamed N, Cohen A G, Gregoire T etal. JHEP, 2002, 0208: 020; Arkani-Hamed N, Cohen A G,Katz E et al. JHEP, 2002, 0208: 021; Low I, Skiba W,Smith D. Phys. Rev., 2002, D66: 0720012. Arkani-Hamed N, Cohen A G, Katz E et al. JHEP, 2002,0207: 0343. HAN T, Logan H E, McElrath B et al. Phys. Rev., 2003,D67: 0950044. HAN T, Logen H E, McElrath B et al. Phys. Lett., 2003,B563: 191; Cho G, Omete A. Phys. Rev., 2004, D70:057701; LIU Yao-Bei, WANG Xue-Lei, CAO Yong-Hua.Chin. Phys. Lett., 2007, 24(1): 575. Csaki C, Hubisz J, Kribs G D et al. Phys. Rev., 2003, D68:035009; Hewett J L, Petriello F J, Rizzo T G. JHEP, 2003,0310: 0626. CHENG H C, Low I. JHEP, 2003, 0408: 061; Low I. JHEP,2004, 0410: 0677. Hubisz J, Meade P, Noble A et al. JHEP, 2006, 0601: 1358. CDF Collaboration, D0 Collaboration. Tevatron Elec-troweak Working Group Combination of CDF and D0 Re-sults on the Top-Quark Mass. hep-ex/05070919. Jikia G. Nucl. Phys., 1992, B374: 83; Eboli O J P et al.Phys. Rev., 1993, D47: 188910. Hagiwara K, Zeppenfeld D. Nucl. Phys., 1989, B313: 560;Barger V, HAN T, Zeppenfeld D. Phys. Rev., 1990, D41:278211. Eidelman S et al(Particle Data Group). Phys. Lett., 2004,B592: 112. Casalbuoni R, Deandrea A, Oertel M. JHEP, 2004, 0402:032; CHEN Mu-Chun, Dawson S. Phys. Rev., 2004, D70:015003; YUE Chong-Xing, WANG Wei. Nucl. Phys., 2004,B683: 48; Kilian W, Reuter J. Phys. Rev., 2004, D70:01500413. YUE Chong-Xing, WANG Wei. Phys. Rev., 2005, D71:015002; WANG Xue-Lei, CHEN Ji-Hong, LIU Yao-Bei etal. Phys. Rev., 2006, D74: 015006

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LIU Yao-Bei, SHEN Jie-Fen and WANG Xue-Lei. Effects of the Little Higgs Models on Single Top Production at the e－γ Colliders[J]. Chinese Physics C, 2007, 31(7): 607-611.
LIU Yao-Bei, SHEN Jie-Fen and WANG Xue-Lei. Effects of the Little Higgs Models on Single Top Production at the e－γ Colliders[J]. Chinese Physics C, 2007, 31(7): 607-611. shu
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Received: 2006-10-31
Revised: 2007-01-10
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Effects of the Little Higgs Models on Single Top Production at the e－γ Colliders

    Corresponding author: LIU Yao-Bei,
  • Henan Institute of Science and Technology, Xinxiang 453003, China2 Xinxiang Medical University, Xinxiang 453003, China3 College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China
  • Received Date: 2006-10-31
  • Accepted Date: 2007-01-10
  • Available Online: 2007-07-05

Abstract: In the framework of the littlest Higgs(LH) model and the littlest Higgs model with T-parity(LHT), we investigate the single top production process e－γ→νebt, and calculate the corrections of these two models to the cross section of this process. We find that in the reasonable parameter space, the correction terms for the tree-level Wtb couplings coming from the LHT model can generate significantly corrections to the cross section of this process, which might be detected in the future high energy linear e+e－ collider(ILC) experiments. However, the contributions of the new gauge boson W±H predicted by the LH model to this process are very small.

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