Pure annihilation type B&rarr;K0*&plusmn;(1430)K(*)<sup>干</sup> decays in the family non-universal Z0 model

Ying Li; Dan-Dan Wang; Cai-Dian L&uuml;

doi:10.1088/1674-1137/40/1/013101

Chinese Physics C> 2016, Vol. 40> Issue(1) : 013101 DOI: 10.1088/1674-1137/40/1/013101

Pure annihilation type B→K0±(1430)K()^干 decays in the family non-universal Z0 model

Ying Li ^1,3,, ,
Dan-Dan Wang ¹ ,
Cai-Dian Lü ^2,3

1.
Department of Physics, Yantai University, Yantai 264-005, China
2.
State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
3.
Department of Physics, Yantai University, Yantai 264-005, China
4.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

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Abstract：
By assuming that the scalar meson KK₀^*(1430) belongs to the rst excited states or the lowest lying ground states of qq', we study the pure annihilation-type decays B→K₀^*±(1430)K^(*)+ in the QCD factorization approach. Within the Standard Model, the branching fractions are of the order of 10^-8-10^-7, which is possible to measure in the ongoing LHCb experiment or forthcoming Belle-II experiment. We also study these decays in the family non-universal Z' model. The results show that if m_Z' 600 GeV (ξ =0.02), both the branching fractions and CP asymmetries of q⁰ →K₀^*+(1430)K^- could be changed remarkably, which provides us with a place for probing the e ect of new physics. These results could be used to constrain the parameters of the Z' model.
- B decay ,
- CP asymmetry ,
- Z' model

References

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Ying Li, Dan-Dan Wang and Cai-Dian Lü. Pure annihilation type B→K0*±(1430)K(*)^干 decays in the family non-universal Z0 model[J]. Chinese Physics C, 2016, 40(1): 013101. doi: 10.1088/1674-1137/40/1/013101

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Received: 2015-06-01
Revised: 2015-09-01

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Supported by National Natural Science Foundation of China (11175151, 11575151, 11375208, 11235005) and the Program for New Century Excellent Talents in University (NCET) by Ministry of Education of P. R. China (NCET-13-0991)

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沈阳化工大学材料科学与工程学院沈阳 110142

Pure annihilation type B→K0±(1430)K()^干 decays in the family non-universal Z0 model

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Pure annihilation type B→K0*±(1430)K(*)干 decays in the family non-universal Z0 model

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通讯作者: 陈斌, bchen63@163.com

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Pure annihilation type B→K0*±(1430)K(*)干 decays in the family non-universal Z0 model

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Pure annihilation type B→K0±(1430)K()^干 decays in the family non-universal Z0 model

Pure annihilation type B→K0±(1430)K()^干 decays in the family non-universal Z0 model