Search for D<SUP>0</SUP>-D<SUP>0</SUP> Mixing with Double-Layer TOF at BESⅢ

SUN Yong-Zhao; HE Kang-Lin; LI Wei-Dong; BIAN Jian-Ming; CAO Guo-Fu; DENG Zi-Yan; HE Miao; HUANG Bin; JI Xiao-Bin; LI Gang; LI Hai-Bo; LIU Chun-Xiu; LIU Hua

Chinese Physics C> 2007, Vol. 31> Issue(5) : 423-430

Search for D⁰-D⁰ Mixing with Double-Layer TOF at BESⅢ

Institute of High Energy Physics, CAS, Beijing 100049, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China3 CCASTWorld Laboratory, Beijing 100080, China4 Peking University, Beijing 100871, China5 Hunan University, Changsha 410082, China6 Shandong University, Ji'nan 250100, China

Abstract
HTML
Reference
Related

PDF

Abstract：
The decay of D⁰→K^－π⁺ is a golden channel in the study of D⁰-D⁰ mixing at ψ(3770). The requirements of excellent K/π separation will play an essential role in the mixing search. A technique was developed to precisely extract event start time (t₀) with TOF measurements in multiple charged tracks event at BESⅢ. After the t₀ extracting algorithm, the time resolution of double-layer TOF reduced from ～78ps to ～64ps, the upper limit of D⁰-D⁰ mixing rate at 95% CL can be improved by a factor of 7% in 20fb^－1 ψ(3770) data.

References

[1]

. Nelson H N. In Jaros J A, Peskin M E ed. Proc. of the 19thIntl. Symp. on Phton and Lepton Interactions at High En-ergy LP99. SLAC, Stanford, CA 19992. Bianco S, Fabbri F L, Benson D et al. Riv. Nuovo Cimento,2003, 26N7: 13. Petrov A A. eConf C030603, MEC05, 20034. Bigi I, Uraltsev N G. Nucl. Phys., 2001, B592: 925. Falk A F, Grossman Y, Ligeti Z et al. Phys. Rev., 2002,D65: 0540346. Chua C K, Hou W S. hep-ph/01101067. Falk A F, Grossman Y, Ligeti Z et al. Phys. Rev., 2004,D69: 1140218. Leurel M, Nir Y, Seiberg N. Nucl. Phys., 1994, B420: 4689. Arkani-Hamed N, Hall L, Smith D et al. Phys. Rev., 2000,D61: 11600310. YAO W M et al. Journal of Physics, 2006, G33: 111. Asner D M, Sun W M. Phys. Rev., 2006, D73: 03402412. Gronan M, Grossman Y, Rosner J L. Phys. Lett., 2001,B508: 3713. BES0 Design Report. Interior Document in Institute ofHigh Energy Physics, 200414. Harris F A (BES Collab.). arXiv:physics/060605915. LI Wei-Dong, LIU Huai-Min et al. The Offline Software forthe BES0 Experiment. Proceeding of CHEP06. Mumbai,India, 200616. DENG Zi-Yan et al. HEP NP, 2006, 30(5): 371-377(in Chinese)(邓子艳等.高能物理与核物理,2006, 30(5): 371-377)17. Agostinelli S et al(Geant4 Collab.). Nucl. Instrum. Meth-ods, 2003, A506: 25018. RONG Gang et al. HEP NP 2001, 25: 154(in Chinese)(荣刚等.高能物理与核物理,2001, 25: 154)19. SUN Sheng-Sen, HE Kang-Lin et al. HEP NP, 2005,29(2): 162-167(in Chinese)(孙胜森,何康林等.高能物理与核物理,2005, 29(2): 162-167)20. JIANG Lin-Li. P.H.D Thesis, University of Sciences andTechnology of China, 2006(in Chinese)(蒋林立.中国科学技术大学博士论文,2006)21. MA Xiang et al. Nuclear Electronics Detection Technol-ogy, to be Published(in Chinese)(马想等.核电r学与核探测技术,待发表)22. HE Kang-Lin, MAO Ze-Pu. Charged Particle Detection.Lecture on CCAST, 200623. HU Ji-Feng, JIANG Lin-Li et al. BES Interior Report24. Avery P. Applied Fitting Theory I: General Least SquaresTheory, CBX-91-7225. Avery P. Applied Fitting Theory VI: Formulas for Kine-matic Fitting, CBX-98-3726. Lonnblad L et al. Comput. Phys. Commun., 1994, 84: 30727. HE Kang-Lin. Charm Physics Potential at BES0. Proceed-ing of CLEO-c and BES0 Joint Workshop on Charm, QCDand tau Physics. Beijing, 2004, Jan.13-1528. Feldman G J, Cousins R D. Phys. Rev., 1998, D57: 3873

[1]	Hua-Yu Jiang , Fu-Sheng Yu , Qin Qin , Hsiang-nan Li , Cai-Dian Lü . D⁰-D⁰ mixing parameter y in the factorization-assisted topological-amplitude approach. Chinese Physics C, 2018, 42(6): 063101. doi: 10.1088/1674-1137/42/6/063101
[2]	M. Imran Jamil , Bilal Masud , Faisal Akram , S. M. Sohail Gilani . D⁰D^0* (D⁰D^0*) system in QCD-improved many body potential. Chinese Physics C, 2017, 41(1): 013103. doi: 10.1088/1674-1137/41/1/013103
[3]	ZHAO Chuan , SUN Sheng-Sen , LI Cheng , ZHANG Xiao-Jie , HE Kang-Lin , AN Qi , CHEN Hong-Fang , DAI Hong-Liang , FENG Chang-Qing , HENG Yue-Kun , HUANG Ya-Qi , HUANG Yan-Ping , GUO Jian-Hua , LI Wei-Dong , LI Xiu-Rong , LIU Fang , LIU Huai-Min , LIU Shu-Bin , LIU Shu-Dong , LIU Yong , MA Xiang , MAO Ze-Pu , SHAO Ming , SUN Yong-Jie , SUN Zhi-Jia , WU Jin-Jie , YANG Gui-An , ZHAO Lei , ZHU Xing-Wang , ZUO Jia-Xu . Time calibration for the end cap TOF system of BESⅢ. Chinese Physics C, 2011, 35(1): 72-78. doi: 10.1088/1674-1137/35/1/015
[4]	XING Zhi-Zhong . A test of CPT symmetry in K⁰ vs K⁰→π⁺π^－π⁰ decays. Chinese Physics C, 2010, 34(6): 753-756. doi: 10.1088/1674-1137/34/6/024
[5]	XING Zhi-Zhong . An overview of D⁰-D⁰ mixing and CP violation. Chinese Physics C, 2008, 32(6): 483-487. doi: 10.1088/1674-1137/32/6/015
[6]	WANG Wei , . Measuring D⁰-D⁰ mixing in D→f₀(980) K^* and more. Chinese Physics C, 2008, 32(10): 773-775. doi: 10.1088/1674-1137/32/10/001
[7]	HUANG Bin , ZHENG Yang-Heng , LI Wei-Dong . A simulation study on the measurement of D⁰-D⁰ mixing parameter y at BESⅢ. Chinese Physics C, 2008, 32(12): 945-951. doi: 10.1088/1674-1137/32/12/002
[8]	LI Hai-Bo . D⁰-D⁰ mixing and CP violation at BES-Ⅲ. Chinese Physics C, 2008, 32(6): 470-476. doi: 10.1088/1674-1137/32/6/013
[9]	CHEN Lan-Li , XU Wen-Na , WANG Xue-Lei . Study of the Top-Pion Production Processes pp(pp)→Π0tΠ0t,bΠ0t at the Hadron Colliders. Chinese Physics C, 2007, 31(3): 232-235.
[10]	WANG Ru-Min , LU Gong-Ru , WANG En-Ke , YANG Ya-Dong . Probe the R-Parity Violating Supersymmetry Effects in the B0s—B0s Mixing. Chinese Physics C, 2007, 31(4): 332-336.
[11]	GUO Jian-Hua , LIU Shu-Bin , ZHOU Shi-Long , LIU Xiao-Hua , AN Qi . Time Measurement System Prototype for BESⅢ TOF. Chinese Physics C, 2006, 30(8): 761-766.
[12]	TANG Ze-Bo , LI Xin , AN Shao-Hui , CHEN Hong-Fang , HENG Yue-Kun , LI Cheng , SHAO Ming , SUN Yong-Jie , WANG Yi-Fang , WU Chong , ZENG Hui , ZHAO Li , ZHAO Xiao-Jian . R&D of the TOF Detector for BESⅢ. Chinese Physics C, 2006, 30(5): 445-448.
[13]	LI Xin , WU Chong , AN Shao-Hui , TANG Ze-Bo , CHEN Hong-Fang , LI Cheng . The Monte Carlo Simulation of BESⅢ Ead cap TOF. Chinese Physics C, 2005, 29(6): 586-591.
[14]	AN Shao-Hui , WU Chong , LI Xin , CHEN Hong-Fang , HENG Yue-Kun , SUN Zhi-Jia , WANG Yi-Fang , LI Cheng . Beam Test of the Time Resolution of the BESⅢ Endcap TOF. Chinese Physics C, 2005, 29(8): 775-780.
[15]	. Study of Exclusive Hadronic Decays for D0→Ks0π+π- and D0→Ks0K+K- and Their Resonant Structures. Chinese Physics C, 2004, 28(1): 1-10.
[16]	LV Junguang , Hu Jingliang , Zheng Yangheng , Li Jin . Performance Study of Double-layer TOF Detector. Chinese Physics C, 1999, 23(6): 505-511.
[17]	BES Collaboration . Study of J/ψ、γπ⁰π⁰ at BES. Chinese Physics C, 1999, 23(8): 745-752.
[18]	BES Collaboration . Measurements of the Branching Ratios for the Decays J/ψ→γπ⁰,γη, γη'→ 3γ at BES. Chinese Physics C, 1997, 21(5): 385-392.
[19]	Bai Jingzhi , Bian Jianguo , Chai Zhengwei , Chen Guangpei , Chen Hongfang , Chen Jiangchuan , Chen Shaomin , Chen Yaqing , Chen Yu , Chen Yuanbo , Cheng Baosen , Cui Xiangzong , Ding Huiliang , Du Zhizhen , Fan Xiaoling , Fang Jian , Gao Cuishan , Gao Meili , Gao Shuqi , Gu Jianhui , Gu Shudi , Gu Weixin , Gu Yifan , Guo Yanan , Han Shiwen , Han Ying , He Jingtang , He Ju , He Mao , Hu Guiyun , Hu Jingliang , Hu Qionghui , Hu Tao , Hu Xiaoqing , Huang Xiuping , Huang Yinzhi , Jiang Chunhua , Jin Shan , Jin Yan , Kang Shuhui , Ke Zunjian , Lai Yuanfen , Lan Huibin , Lang Pengfei , Li Jin , Li Peiqin , Li Qun , Li Rubai , Li Wei , Li Weidong , Li Weiguo , Li Xinhua , Li Xiaonan , Lin Shuzi , Liu Huaimin , Liu Jing , Liu Jinghua , Liu Qi , Liu Rongguang , Liu Yan , Liu Zhenan , Lü Feng , Lü Junguang , Lu Jianye , Luo Shuanqun , Luo Yong , Ma Aimin , MaEncheng , Ma Jimao , Mao Huishun , Mao Zepu , Meng Xiangcheng , Ni Hulling , Nie Jing , Qi Nading , Qu Yunhe , Qiu Jinfa , Que Youkun , Rong Gang , Shao Yuying , Shen Benwei , Shen Dingli , Shen Hong , Shen Xiaoyan , Sheng Huayi , Shi Huanzhang , Song Xiaofei , Sun Fang , Sun Hansheng , Sun Shijun , Tan Yiping , Tang Suqiu , Tian Jianling , Tong Guoliang , Wang Feng , Wang Jufang , Wang Linzhou , Wang Lingshu , Wang Man , Wang Meng , Wang Peiliang , Wang Ping , Wang Shaomin , Wang Taijie , Wang Yunyong , Wei Chenglin , Wu Yougeng , Xi Deming , Xia Xiaomi , Xie Peipei , Xiong Weijun , Xu Guofa , Xu Rongsheng , Xu Zhijing , Xue Shengtian , Yan Jie , Yan Wuguang , Yang Changyou , Yang Chunmin , Yang Jie , Yang Xiaofeng , Ye Minghan , Ye Shizhang , Ye Shuwei , Yi Kai , Yu Chuansong , Yu Chunxu , Yu Zhitang , Yu Zhongqiang , Yuan Changzheng , Zhang Bingyun , Zhang Changchun , Zhang Dahua , Zhang Dehong , Zhang Huiling , Zhang Jian , Zhang Jiawen , Zhang Lin , Zhang Liangsheng , Zhang Qinjian , Zhang Shaoqiang , Zhang Xueyao , Zhang Yu , Zhang Yueyuan , Zhao Dixin , Zhao Haiwen , Zhao Jingwei , Zhao Meng , Zhao Weiren , Zheng Jianping , Zheng Linsheng , Zheng Zhipeng , Zhou Guangpu , Zhou Huashi , Zhou Li , Zhou Yuehua , Zhu Guoyi , Zhu Qiming , Zhu Yongsheng , Zhu Yucan , Zhuang Baoan . Measurement of the Branching Ratios for J/ψ→γπ⁰, γη'→3γ on the BES. Chinese Physics C, 1997, 21(S2): 9-14.
[20]	MA ZHONG-QI , DONG FANG-XIAO , YUE ZONG-WU , ZHOU XIAN-JIAN , XUE PEI-YOU . D⁰-MESON DECAYS Γ（D⁰→K⁺K^-）/Γ（D⁰→π⁺π^-）. Chinese Physics C, 1981, 5(1): 130-133.

Access

Get Citation

SUN Yong-Zhao, HE Kang-Lin, LI Wei-Dong, BIAN Jian-Ming, CAO Guo-Fu, DENG Zi-Yan, HE Miao, HUANG Bin, JI Xiao-Bin, LI Gang, LI Hai-Bo, LIU Chun-Xiu, LIU Hua, Search for D⁰-D⁰ Mixing with Double-Layer TOF at BESⅢ[J]. Chinese Physics C, 2007, 31(5): 423-430.

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2006-08-29
Revised: 2006-10-30

Article Metric

Article Views(3185)
PDF Downloads(842)
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

Search for D⁰-D⁰ Mixing with Double-Layer TOF at BESⅢ

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article

Search for D⁰-D⁰ Mixing with Double-Layer TOF at BESⅢ

Corresponding author: HE Kang-Lin,

HTML

目录

Search for D0-D0 Mixing with Double-Layer TOF at BESⅢ

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article

Search for D0-D0 Mixing with Double-Layer TOF at BESⅢ

Corresponding author: HE Kang-Lin,

HTML

目录

Search for D⁰-D⁰ Mixing with Double-Layer TOF at BESⅢ

Search for D⁰-D⁰ Mixing with Double-Layer TOF at BESⅢ