Kinematics of τ two-body decay near τ threshold at BESⅢ

MO Xiao-Hu

doi:10.1088/1674-1137/34/11/001

Chinese Physics C> 2010, Vol. 34> Issue(11) : 1671-1679 DOI: 10.1088/1674-1137/34/11/001

Kinematics of τ two-body decay near τ threshold at BESⅢ

MO Xiao-Hu

Institute of High Energy Physics, CAS, Beijing 100049, China

Abstract
HTML
Reference
Related

PDF

Abstract：
The kinematic properties of two-body decay near τ threshold are studied according to the special capacity of the BEPCⅡ accelerator and the BESⅢ detector. Explicitly presented are the transformations of energy and momentum of hadronic particles between different reference frames, and the corresponding distributions. A brand new method is proposed to obtain the energy spread of the accelerator by fitting the energy distribution of hadron from τ semi-leptonic decays.

[1]	Qing-Wu Wang , Xiao-Fu Łü , Hua-Zhong Guo . $ {\boldsymbol\rho\bf\to \boldsymbol\pi\boldsymbol\pi }$ Hadronic Decay in the Nambu-Jona-Lasinio Model: Mass-Width Interplay and Beyond-RPA Corrections. Chinese Physics C, 2026, 50(2): 1-7.
[2]	Wen-Chao Dai , Jie-Dong Jiang , Yin Fan , Xiao Liu , Peng-Cheng Chu , Xi-Jun Wu , Xiao-Hua Li . Systematic study of α decay half-life within cluster-formation model. Chinese Physics C, 2026, 50(1): 014103. doi: 10.1088/1674-1137/ae042c
[3]	Xi-Liang Yuan , Chao Wang , Zhuang-Dong Bai , Gang Lü . Role and contribution of the resonance effect for the decay process of ${ \bar {\boldsymbol B}^{\bf 0}_{\boldsymbol s} \boldsymbol\rightarrow \boldsymbol\pi^{+}\boldsymbol\pi^{-}{\boldsymbol P}}$. Chinese Physics C, 2025, 49(11): 113103. doi: 10.1088/1674-1137/ade6d8
[4]	. Investigation of the α-decay half-lives for even-even nuclei within a deformed two-potential approach. Chinese Physics C, 2025, 49(12): 124111. doi: 10.1088/1674-1137/ae0430
[5]	. Bayesian and Monte Carlo approaches to estimating uncertainty for the measurement of the bound-state β^- decay of ²⁰⁵Tl⁸¹⁺. Chinese Physics C, 2025, 49(11): 114001. doi: 10.1088/1674-1137/ade956
[6]	Yang Liu , Rong Wang , Zaiba Mushtaq , Ye Tian , Xionghong He , Hao Qiu , Xurong Chen . Simulation of dark scalar particle sensitivity in η rare decay channels at HIAF. Chinese Physics C, 2025, 49(3): 034103. doi: 10.1088/1674-1137/ad9d1b
[7]	. Search for the lepton number violation decay ω→π⁺π⁺e⁻e⁻+c.c.. Chinese Physics C, 2025, 49(10): 103002. doi: 10.1088/1674-1137/ade955
[8]	. SU(3) flavor symmetry analysis of hyperon non-leptonic two body decays. Chinese Physics C, 2025, 49(12): 123101. doi: 10.1088/1674-1137/adf1f1
[9]	Xiaoxuan Lin , Wei Kou , Shixin Fu , Rong Wang , Chengdong Han , Xurong Chen . Revisiting the deuteron mass radius via near-threshold ρ⁰, ω, and ϕ meson photoproduction. Chinese Physics C, 2025, 49(10): 103105. doi: 10.1088/1674-1137/ade1c9
[10]	Tao Hong , Xiao-Song Yang , Zhi-Gang Wang . Two-body strong decays of the hidden-charm tetraquark molecular states via QCD sum rules. Chinese Physics C, 2025, 49(10): 103104. doi: 10.1088/1674-1137/add912
[11]	Jin-Yu Huo , Rui Chen . Exploring the two-body strong decay properties of the possible ${\boldsymbol\Lambda_{\boldsymbol c}\boldsymbol K^{}}$ and ${\boldsymbol\Sigma_{\boldsymbol c}\boldsymbol K^{()}}$ molecules. Chinese Physics C, 2025, 49(10): 103108. doi: 10.1088/1674-1137/adec4e
[12]	Yang-Yang Xu , De-Xing Zhu , You-Tian Zou , Xi-Jun Wu , Biao He , Xiao-Hua Li . Systematic study on α-decay half-lives of uranium isotopes with a screened electrostatic barrier. Chinese Physics C, 2022, 46(11): 114103. doi: 10.1088/1674-1137/ac7fe8
[13]	WANG Ji-Ke , MAO Ze-Pu , BIAN Jian-Ming , CAO Guo-Fu , CAO Xue-Xiang , CHEN Shen-Jian , DENG Zi-Yan , FU Cheng-Dong , GAO Yuan-Ning , HE Kang-Lin , HE Miao , HUA Chun-Fei , HUANG Bin , HUANG Xing-Tao , JI Xiao-Bin , LI Fei , LI Hai-Bo , LI Wei-Dong , LIANG Yu-Tie , LIU Chun-Xiu , LIU Huai-Min , LIU Suo , LIU Ying-Jie , MA Qiu-Mei , MA Xiang , MAO Ya-Jun , MO Xiao-Hu , PAN Ming-Hua , PANG Cai-Ying , PING Rong-Gang , QIN Ya-Hong , QIU Jin-Fa , SUN Sheng-Sen , SUN Yong-Zhao , WANG Liang-Liang , WEN Shuo-Pin , , , , , , . Software alignment of the BESⅢ main drift chamber using the Kalman Filter method. Chinese Physics C, 2009, 33(3): 210-216. doi: 10.1088/1674-1137/33/3/010
[14]	GUO Yun-Jun , HE Kang-Lin . Muon Identification Using the Efficiencies Ratio Method at BESⅡ. Chinese Physics C, 2007, 31(11): 1050-1055.
[15]	SHEN Shui-Fa , YU Xiao-Han . Decay of ⁸³Sr and Discussion of Its Daughter's Band Structures. Chinese Physics C, 2004, 28(S1): 78-80.
[16]	BES Collaboration . Experimental Study of Resonance f₂(1270) in the J/ψ Hadronic Decay. Chinese Physics C, 1993, 17(2): 97-106.
[17]	WANG Man , LI Jin , CUI Xiang-Zong , XIA Xiao-Mi , LAI Yuan-Fen , YAO Xiao-Guang . PROTOTYPE OF END CAP SHOWER COUNTERAND ITS BEAM TEST. Chinese Physics C, 1987, 11(3): 321-326.

Access

Get Citation

MO Xiao-Hu. Kinematics of τ two-body decay near τ threshold at BESⅢ[J]. Chinese Physics C, 2010, 34(11): 1671-1679. doi: 10.1088/1674-1137/34/11/001

MO Xiao-Hu. Kinematics of τ two-body decay near τ threshold at BESⅢ[J]. Chinese Physics C, 2010, 34(11): 1671-1679. doi: 10.1088/1674-1137/34/11/001 shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2010-02-23
Revised: 2010-03-24

Article Metric

Article Views(3898)
PDF Downloads(543)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

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

Kinematics of τ two-body decay near τ threshold at BESⅢ

MO Xiao-Hu

Institute of High Energy Physics, CAS, Beijing 100049, China

Received Date: 2010-02-23
Accepted Date: 2010-03-24
Available Online: 2010-11-05

Abstract:

The kinematic properties of two-body decay near τ threshold are studied according to the special capacity of the BEPCⅡ accelerator and the BESⅢ detector. Explicitly presented are the transformations of energy and momentum of hadronic particles between different reference frames, and the corresponding distributions. A brand new method is proposed to obtain the energy spread of the accelerator by fitting the energy distribution of hadron from τ semi-leptonic decays.