A simulation study on the measurement of D<SUP>0</SUP>-D<SUP>0</SUP> mixing parameter y at BESⅢ

HUANG Bin; ZHENG Yang-Heng; LI Wei-Dong

doi:10.1088/1674-1137/32/12/002

Chinese Physics C> 2008, Vol. 32> Issue(12) : 945-951 DOI: 10.1088/1674-1137/32/12/002

A simulation study on the measurement of D⁰-D⁰ mixing parameter y at BESⅢ

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We established a method on measuring the D⁰-D⁰ mixing parameter y for BESⅢ experiment at the BEPCⅡ e⁺e^－ collider. In this method, the doubly tagged π(3770) →D⁰-D⁰ events, with one D decays to CP-eigenstates and the other D decays semileptonically, are used to reconstruct the signals. Since this analysis requires good e/π separation, a likelihood approach, which combines the dE/dx, time of flight and the electromagnetic shower detectors information, is used for particle identification. We estimate the sensitivity of the measurement of y to be 0.007 based on a 20fb^-1 fully simulated MC sample.

References

[1]

. Bigi I I, Uraltsev N. Nucl. Phys. B, 2001, 592: 922. Burdman G, Shipsey I. Ann. Rev. Nucl. and Part. Sci.,2003, 53: 4313. Falk A F, Grossman Y, Ligeti Z. Phys. Rev. D, 2002, 65:0540344. Falk A F, Grossman Y, Ligeti Z, Petrov A A. Phys. Rev.D, 2004, 69: 1140215. Staric Met al (Belle Collaboration). Phys. Rev. Lett., 2007,98: 2118036. Aubert B et al (BABAR Collaboration). Phys. Rev. Lett.,2007, 98: 2118027. ZHANG L M et al (Belle Collaboration). Phys. Rev. Lett.,2007, 99: 1318038. Aaltonen T et al (CDF Collaboration). arXiv:0712.15679. Aubert B et al (BABAR Collaboration). arXiv:0712.224910. Bitenc U et al (Belle Collaboration). arXiv:0802.295211. Aubert B et al (BABAR Collaboration). Phys. Rev. D,2007, 76: 01401812. SUN Yong-Zhao et al. HEP NP, 2007, 31: 423-430 (in Chinese)13. CHENG Xiao-Dong et al. Phys. Rev. D, 2007, 75: 09401914. Asner D M, SUN W M. Phys. Rev. D, 2006, 73: 03402415. Asner D M et al. Int. J. Mod. Phys A, 2006, 21: 545616. Gronau M, Grossman Y, Rosner J L. Phys. Lett. B, 2001,508: 3717. XING Z Z. Phys. Rev. D, 1997, 55: 19618. XING Z Z. Phys. Lett. B, 1996, 372: 31719. LI Wei-Dong, LIU Huai-Min et al. The Offline Software forthe BES0 Experiment. Proceeding of CHEP06. Mumbai,India, 200620. DENG Zi-Yan et al. HEP NP, 2006, 30(5): 371-377(in Chinese)21. Agostinelli S et al. (Geant4 Collaboration). Nucl. Instrum.Methods A, 2003, 506: 25022. BES0 Design Report. Interior Document in Institute of High Energy Physics, 200423. QING Gang et al. HEP NP, 2008, 32(1): 1-824. HU Ji-Feng et al. HEP NP, 2007, 31(10): 893 (in Chinese)25. Harris F A et al (BES Collab.). arXiv:physics/0606059,200626. Bishop C M. Neural Networks for Pattern Recognition. Oxford:Clarendon, 1998; Beale R, Jackson T. Neural Computing:An Introduction. New York: Adam Hilger, 199127. Carli T, Koblitz B. Nucl. Instrum. Methods A, 2003, 501:576-588; Holmstrom L, Sain R, Miettinen H E. Comput.Phys. Commun., 1995, 88: 195

[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]	Long-Ke Li , Ye-Qi Chen , Wen-Biao Yan , Zi-Ping Zhang . D⁰-D⁰ mixing sensitivity estimation at Belle Ⅱ in wrong-sign decays D⁰→K⁺π^-π⁰ via time-dependent amplitude analysis. Chinese Physics C, 2017, 41(2): 023001. doi: 10.1088/1674-1137/41/2/023001
[3]	M. Ablikim , M. N. Achasov , X. C. Ai , O. Albayrak , M. Albecht , D. J. Ambrose , A. Amoroso . Measurement of the absolute branching fraction of D+→K0e+ve via K0→π0π0. Chinese Physics C, 2016, 40(11): 113001. doi: 10.1088/1674-1137/40/11/113001
[4]	R. Aaij , et al (LHCb Collaboration) . Study of the production of Λ_b⁰ and B⁰ hadrons in pp collisions and first measurement of the Λ_b⁰→J/ψpK^- branching fraction. Chinese Physics C, 2016, 40(1): 011001. doi: 10.1088/1674-1137/40/1/011001
[5]	BIAN Li-Gong , WEI Zheng-Tao . Constraints of unparticle physics parameters from K⁰-K⁰ mixing. Chinese Physics C, 2013, 37(12): 123102. doi: 10.1088/1674-1137/37/12/123102
[6]	ZHANG Zhi-Qing , XIAO Zhen-Jun . Study of scalar meson a₀(980) from B→a₀(980)π decays. Chinese Physics C, 2010, 34(5): 528-534. doi: 10.1088/1674-1137/34/5/002
[7]	K. I. Beloborodov , A. V. Berdyugin , A. A. Botov , V. B. Golubev , T. V. Dimova , V. P. Druzhinin , A. G. Kharlamov , D. P. Kovrizhin , I. A. Koop , A. A. Korol , S. V. Koshuba , A. E. Obrazovsky , E. V. Pakhtusova , D. A. Shtol , S. I. Serednyakov , Z. K. Silagadze , A. N. Skrinsky , Yu. A. Tikhonov , Yu. M. Shatunov , A. V. Vasil'ev . Study of the process e⁺e^－→π⁺π^－π⁰π⁰ at energies √s<1 GeV. Chinese Physics C, 2010, 34(6): 680-685. doi: 10.1088/1674-1137/34/6/012
[8]	B. Meadows (representing the BABAR collaboration) . D⁰D⁰ mixing and other recent charm results from BABAR. Chinese Physics C, 2010, 34(6): 780-787. doi: 10.1088/1674-1137/34/6/028
[9]	WU Jia-Jun , ZHAO Qiang , ZOU Bing-Song . Study a₀(980)}-f₀(980) mixing in charmonium decays. Chinese Physics C, 2010, 34(6): 848-854. doi: 10.1088/1674-1137/34/6/038
[10]	ZHAO Li , ZHANG Zi-Ping (for the Belle collaboration) . D⁰-D⁰ mixing and other charm decays at Belle. Chinese Physics C, 2010, 34(6): 774-779. doi: 10.1088/1674-1137/34/6/027
[11]	LI Ying , HUA Juan . Study of pure annihilation decays B_d,s→D⁰D⁰. Chinese Physics C, 2008, 32(10): 781-787. doi: 10.1088/1674-1137/32/10/003
[12]	A.J.Schwartz . Measurements of D⁰-D⁰ mixing and searches for CP violation: HFAG combination of all data. Chinese Physics C, 2008, 32(6): 477-482. doi: 10.1088/1674-1137/32/6/014
[13]	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
[14]	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
[15]	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
[16]	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. Chinese Physics C, 2007, 31(5): 423-430.
[17]	BES Collaboration . Study of J/ψ、γπ⁰π⁰ at BES. Chinese Physics C, 1999, 23(8): 745-752.
[18]	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.
[19]	BES Collaboration . Experiment Study of f₀(975) in J/ψ Decays. Chinese Physics C, 1995, 19(S2): 125-131.
[20]	LIU Liang-Gang . ρ⁰-ω Mixing Effect in the (ρ⁰,ω)→e⁺e^－ Pair Decay. Chinese Physics C, 1993, 17(7): 614-618.

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HUANG Bin, ZHENG Yang-Heng and LI Wei-Dong. A simulation study on the measurement of D⁰-D⁰ mixing parameter y at BESⅢ[J]. Chinese Physics C, 2008, 32(12): 945-951. doi: 10.1088/1674-1137/32/12/002

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Received: 2008-05-29
Revised: 2008-06-11

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沈阳化工大学材料科学与工程学院沈阳 110142

A simulation study on the measurement of D⁰-D⁰ mixing parameter y at BESⅢ

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A simulation study on the measurement of D⁰-D⁰ mixing parameter y at BESⅢ

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A simulation study on the measurement of D0-D0 mixing parameter y at BESⅢ

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A simulation study on the measurement of D⁰-D⁰ mixing parameter y at BESⅢ

A simulation study on the measurement of D⁰-D⁰ mixing parameter y at BESⅢ