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584 results on '"W. F. Wang"'

1. A multiline fitting method for measuring ethylene concentration based on WMS-2f/1f

Author

W. F. Wang, B. Yang, H. F. Liu, L. F. Ren, D. He, X. C. Zhao, and J. Li

Subjects
Medicine, Science
Abstract

Abstract Coal spontaneous combustion risk assessment is a global technical challenge for the sustainable development of deep mining technology, and C2H4 is a key indicator for early warning of coal spontaneous combustion. Tunable diode laser absorption spectroscopy (TDLAS) has the advantages of high selectivity, high sensitivity, high accuracy and real-time on-line measurement, and it can detect multiple gases simultaneously, so it has significant advantages in the accurate detection of coal spontaneous combustion indicator gases. To address the problem of cross-interference between the near-infrared absorption lines of CH4 and C2H4, which are the indicator gases of spontaneous combustion in coal, a multi-line fitting method was proposed in this study to calibrate the concentration of C2H4. The high-precision Environics2000 automatic standard gas dispenser from the United States, which has a built-in CPU computer control and data control and processing system, was used. Its gas concentration accuracy: ± 1.0%, gas flow accuracy: ± 1.0%, gas repeatability accuracy: ± 1.0%, flow linearity accuracy: ± 0.5%, and inlet operating pressure: minimum 10 psig (0.67 bar) ~ 75 psig (5.04 bar). The measured and simulated WMS-2f/1f signals were multilinearly fitted using a multilinear fitting algorithm and wavelength modulation spectroscopy (WMS), and the measurement of C2H4 concentration was achieved based on the extracted spectral line information. The results show that the maximum relative error of C2H4 concentration measurement is 2.40%, which is 54% lower than that of the conventional 2f peak measurement method, thus demonstrating the effectiveness of the multilinear fitting algorithm in the inversion of C2H4 concentration under the interference of absorption lines. In addition, this study has far-reaching implications for the application of TDLAS technology in the accurate detection of coal spontaneous combustion indicator gases.

Published
2023
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5. Efficiency analysis of intercepting UAV swarm by various air defense methods

Author

S G Hu, L Ru, B Lu, and W F Wang

Subjects
History, Computer Science Applications, Education
Abstract

In order to accurately intercept incoming swarm targets and improve interception efficiency, the interception efficiency of various air defense equipment was studied. The paper introduces the current ways to deal with the UAV swarm, and establishes the mathematical model of different types of interception equipment; Under the premise of given interception probability, the time and cost of different interception methods are calculated respectively, and the weight distribution is used to analyze the interception efficiency of different weapons. According to the analysis process and results, the interception effectiveness of different weapons is sorted. The analysis results show that the analysis has certain practicability, which can support the development and application of air defense interception weapons and equipment to a certain extent, and has practical reference value and significance.

Published
2023

7. [Leukocyte chemotactic factor 2-associated renal amyloidosis coexisting with PLA2R-mediated idiopathic membranous nephropathy: report of a case]

Author

J, Li, W F, Wang, J H, Liu, and A P, Wang

Subjects
Chemotactic Factors, Receptors, Phospholipase A2, Leukocytes, Humans, Amyloidosis, Glomerulonephritis, Membranous, Biomarkers, Autoantibodies
Abstract

报道白细胞趋化因子2型淀粉样变性肾病合并抗磷脂酶A2受体介导的原发性膜性肾病1例。结合文献进行分析和总结，旨在提高医务工作者对此病的认识，减少疾病的误诊误治。.

Published
2021

8. Effects of CAR structure and culture conditions on memory CAR-T cells

Author

W-C, Pei, J, Hu, J-H, Song, W-F, Wang, Y-Y, He, W-J, Pang, and Y, Huang

Subjects
Receptors, Chimeric Antigen, T-Lymphocytes, Humans, Cell Differentiation, Immunotherapy, Adoptive
Abstract

Adoptive CAR T cell therapy (chimeric antigen receptor T-Cell) has received increasing attention in recent years; however, its efficacy is undesirable and differs from person to person. Understanding how to overcome this obstacle is important to improve therapy. Infusion of poorly differentiated CAR-CD62L+ T cells, such as T memory stem cell populations, leads to enhanced T cell implantation, expansion, and persistence, which ultimately leads to more stable tumour regression. Here, we reviewed emerging findings demonstrating that CAR structure and cell culture conditions can influence CAR T cell differentiation and antitumour efficacy.

Published
2021

9. MiR-145 targeting BNIP3 reduces apoptosis of chondrocytes in osteoarthritis through Notch signaling pathway

Author

W-F, Wang, S-Y, Liu, Z-F, Qi, Z-H, Lv, H-R, Ding, and W-J, Zhou

Subjects
Mitochondrial Proteins, Mice, MicroRNAs, Chondrocytes, Receptors, Notch, Osteoarthritis, Animals, Membrane Proteins, Apoptosis, Cells, Cultured, Signal Transduction
Abstract

The purpose of this study was to explore the effect of micro ribonucleic acid (miR)-145 on the apoptosis of chondrocytes in osteoarthritis (OA), and to research the association between its targeting on B-cell lymphoma-2 (Bcl-2)/adenovirus E1B 19 kDa interacting protein 3 (BNIP3) and Notch signaling pathway and chondrocyte apoptosis.The mouse model of OA was established via surgery, and chondrocytes were isolated and cultured in vitro. Then, the chondrocytes were transfected with miR-145 inhibitor, miR-145 mimics, miR-negative control (NC), BNIP3-siRNA and BNIP3-vector, respectively, with those normally cultured as the control. After that, the expression levels of miR-145 and BNIP3 in cells were detected via quantitative Reverse Transcription-Polymerase Chain Reaction (qRT-PCR), the apoptosis rate was detected via flow cytometry, and the apoptosis level was detected using terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) assay. Moreover, the target gene sequences were predicted and compared using the software, and the BNIP3 Luciferase reporter vectors containing predicted target sites for miR-145 were constructed. Finally, the protein expressions of BNIP3, Notch1, and P21 were determined through Western blotting.The results of qRT-PCR showed that in OA chondrocytes, the expression of miR-145 was lower than that in normal chondrocytes (p0.05), while the mRNA and protein expressions of BNIP3 were higher than those in normal chondrocytes (p0.05). According to flow cytometry, the apoptosis rate was (4.4±0.6)% in normal cartilage tissues and (29.2±2.1)% in OA cartilage tissues. Overexpression of miR-145 significantly reduced chondrocyte apoptosis (p0.05), while overexpression of BNIP3 markedly increased chondrocyte apoptosis (p0.05). In addition, the Luciferase reporter system showed that miR-145 mimics evidently inhibited BNIP3 (p0.05) and suppressed the Notch signaling pathway (p0.05), while BNIP3 enhanced the expression of Notch signaling pathway (p0.05).MiR-145 can reduce OA-induced chondrocyte apoptosis through targeted inhibition on BNIP3 and regulation on Notch signaling pathway.

Published
2020

11. LncRNA APPAT regulated miR-328a/Pkp1 signal pathway to participate in breast cancer

Author

W-F, Wang, N, Zhao, Y-Q, Li, M-Y, Luo, S-Q, Xiao, and W, Yang

Subjects
MicroRNAs, Humans, Breast Neoplasms, Female, RNA, Long Noncoding, Plakophilins, Cells, Cultured, Signal Transduction
Abstract

Recent studies indicated long non-coding RNA (lncRNA) is involved in the development of breast cancer, which is the pathological basis of breast cancer. Here, we reported the molecular mechanisms by which lncRNA APPAT regulated in the progression of breast cancer.QPCR was used to inspect the expression of lncRNA APPAT and miR-328a in breast cancer cell lines. Luciferase reporter assay confirmed the direct target effect of APPAT and miR-328a. Western blot was used to check Pkp1 protein expression in breast cancer cell lines.The expressions of lncRNA APPAT, Pkp1 protein levels and miR-328a were commonly expressed in breast cancer cells. The inhibition of lncRNA APPAT expression repressed cell proliferation, migration and invasion in breast cancer and reverse results were found after lncRNA APPAT overexpressing. Mechanistically, the binding targets of lncRNA APPAT vs. miR-328a and Pkp1 vs. miR-328a were checked in breast cancer. Meanwhile, miR-328a silencing enhanced the proliferation, migration and invasion of breast cancer cells. Moreover, the effect caused by Pkp1 silencing on cell proliferation, migration and invasion was reversed by miR-328a inhibitor in MCF-7 and BT594 cells. Additionally, Pkp1 knockout reversed the effect of cell proliferation, migration and invasion triggered by APPAT elevated. Taken together, these results showed miR-328a as a downstream target of lncRNA APPAT linking lncRNA APPAT to Pkp1.LncRNA APPAT regulated the proliferation, migration, invasion of breast cancer by regulating miR-328a/Pkp1 signaling pathway, providing a novel possible strategy for the treatment of breast cancer.

Published
2020

12. Observation of a Resonance X(1835) in J/ψ→γπ+π−η′

Author

H. B. Li, S. L. Zang, C. L. Luo, Houbing Lu, C. C. Zhang, Yi Jin, S.L. Olsen, Y. X. Yang, Fang Liu, Y. C. Zhu, Yudan Wang, G. R. Lu, F. Lu, L. Y. Dong, H.B. Liao, P. L. Wang, X. X. Xie, J. B. Jiao, Y. Z. Sun, Han-Qing Zheng, H. M. Hu, Z. A. Zhu, X. Shi, D. X. Zhao, B. Y. Zhang, Hangxu Li, J. W. Zhao, H. H. Liu, J. C. Li, X. B. Ma, Xuai Zhuang, J. H. Liu, G. W. Yu, Z. P. Zhang, Jin Chen, F. A. Harris, Y. Zeng, J. G. Lu, J. Nie, Zujian Wang, Feng Shi, C. Z. Yuan, Z.J. Guo, Y. Q. Guo, Huirun Chen, Y. B. Chen, T. Hu, H. S. Chen, Xingzhu Cui, S. S. Fang, Qiyang Zhang, Y. S. Dai, W. R. Zhao, F. Liu, J. G. Bian, Zheng Wang, H. X. Yang, XZ（蔡翔舟） Cai, Y. F. Liang, X. H. Mo, C. S. Gao, Yu Zeng, F. C. Ma, Y. F. Lai, L. S. Wang, Jinxing Zheng, Y.Y. Zhang, S. S. Sun, R. Y. Li, D. P. Jin, H. F. Chen, Y. N. Gao, X. M. Xia, M. H. Ye, W. F. Wang, P. Wang, B. X. Zhang, J. P. Liu, Z. G. Zhao, Zhe Wang, N. Wu, X. S. Jiang, Cunfeng Wei, Q. F. Dong, Ning Zhou, X. Y. Shen, D. H. Zhang, Jiming Yang, Yingchun Zhu, X. Q. Li, L. P. Zhou, Z. Y. Ren, Z. P. Mao, J. F. Qiu, Lianyou Shan, J. W. Zhang, Z. J. Sun, W. G. Li, Q. M. Ma, Y. T. Gu, Bo Xin, D. Y. Wang, H. Qin, M. He, H. L. Ma, S. M. Li, Fan Yang, D. L. Shen, H. M. Liu, W. D. Li, C. X. Liu, Z. P. Zheng, D. H. Wei, X. Y. Zhang, Z. Y. Yi, Y. Yuan, Y. S. Zhu, K. L. He, R. G. Liu, Q. M. Zhu, Y. N. Guo, B.S. Zou, J. B. Liu, M. Z. Wang, Z.Q. Zhang, Xiru Huang, G. L. Tong, H. S. Sun, Z. Y. Wang, Haiping Peng, Yang Tian, G. S. Huang, M. Ablikim, B. A. Zhuang, Jianwei Sun, Y. X. Ye, Y. Xu, G. F. Xu, S. Jin, S. X. Du, M. L. Yan, P. P. Zhao, J. C. Chen, X. Tang, X. T. Huang, G. Rong, J. Fang, Xunchao Zhang, Z. Z. Du, M. G. Zhao, H. Y. Zhang, J. Y. Zhang, Y. P. Chu, L. L. Ma, X. B. Ji, Y. K. Heng, Z. A. Liu, Y.L. Li, Shang Lunlin, Y. Ban, G. Li, X.L. Li, C. D. Fu, Z. Y. Deng, J. Z. Bai, H. Y. Sheng, Z. Q. Tan, S. P. Chi, N. D. Qi, K. J. Zhu, J. M. Yuan, S. D. Gu, and G. S. Varner

Subjects
Physics, Nuclear magnetic resonance, Resonance
Published
2020

13. Evidence of ψ(3770) non-DD¯ decay to J/ψπ+π−

Author

M. He, X. Tang, W. G. Li, Q. M. Zhu, D. L. Shen, K. L. He, J. W. Zhao, L. P. Fu, Y. C. Xu, S. W. Han, J. M. Zhang, S. L. Zang, C. X. Liu, G. W. Yu, M. Z. Wang, Z. A. Liu, M. Y. Gong, C. F. Liu, Yingchun Zhu, Zheng Wang, S.L. Olsen, H. M. Liu, J. G. Lu, H. S. Sun, Houbing Lu, C. C. Zhang, Haiping Peng, W. R. Zhao, F. Liu, F. Li, F. C. Ma, Q. Yue, Y. Ban, M. H. Ye, R. B. Li, Fang Liu, J. C. Chen, Jing Wang, Y. B. Zhao, J. Z. Bai, Y. N. Gao, H. M. Hu, T. Hu, XZ（蔡翔舟） Cai, Qiyang Zhang, H. S. Chen, Yang Tian, J. F. Qiu, L. Y. Dong, D. X. Zhao, B. Y. Zhang, Jiawei Zhao, Jiemin Li, J. P. Liu, S.S. Sun, S. D. Gu, J. Nie, Z. Y. Wang, J. Fang, L. S. Zheng, H. Y. Sheng, L. L. Ma, G. F. Xu, S. Jin, S. X. Du, X. L. Luo, H. Y. Zhang, W. D. Li, L. P. Zhou, S. T. Xue, M. L. Yan, G. A. Yang, P. Wang, N. D. Qi, Y. M. Dai, Liang Huang, X. Y. Zhang, Z. G. Zhao, X. C. Zhong, Z. J. Ke, R. G. Liu, G. S. Varner, Z. P. Mao, Y. S. Dai, J. Ying, J. Y. Zhang, J. B. Liu, H. Shen, Y. C. Zhu, R. Y. Li, F. Lu, C. S. Gao, Z. Z. Du, Y. P. Chu, X. B. Ji, P. L. Wang, Meng Wang, W. B. Yan, Jinxing Zheng, Z. J. Sun, X. H. Mo, Z. X. Liu, X. C. Meng, Y. K. Heng, Y. Y. Zhang, Cunfeng Wei, Ning Zhou, F. A. Harris, C. D. Qian, Y. N. Guo, Yudan Wang, S. Q. Tang, J. C. Li, D. Tian, Y. Jin, J. W. Zhang, T. Hong, L. S. Wang, G. Li, S. D. Yang, J. J. He, Zhe Wang, C. D. Fu, H. X. Yang, G. R. Lu, Z.J. Guo, J. G. Bian, Z. A. Zhu, Y. Yuan, Y. S. Zhu, Xingzhu Cui, Z. P. Zhang, Xintong Li, M. L. Gao, X. X. Xie, X. M. Xia, Bing Zhou, Chun-Hua Jiang, L. W. Song, Y. Zeng, S. P. Chi, Y. Q. Guo, P. P. Zhao, H. Y. Fu, Zujian Wang, Q. J. Li, B. X. Zhang, K. J. Zhu, S. Q. Zhang, J. M. Yuan, Y. B. Chen, Y. Z. Sun, S. S. Fang, Y. B. Liu, Y. F. Lai, Lei Zhang, H. F. Chen, W. F. Wang, Zhiyun Zheng, G. Rong, Feng Shi, Z. J. Lu, H. H. Li, B.S. Zou, N. Wu, Y. J. Zhang, Guangzhao Zhou, Xiru Huang, G. L. Tong, B. A. Zhuang, X. Y. Shen, Jiming Yang, G. S. Huang, K. Li, J. Z. Wang, D. P. Jin, X. S. Jiang, D. H. Zhang, C. S. Yu, J. F. Chang, Yiyun Zhang, Z. D. Nie, Y. X. Ye, E. C. Ma, X. H. He, X. Q. Li, Jun-Bing Ma, and W. X. Gong

Published
2020

14. Observation of a Near-Threshold Enhancement in the pp¯ Mass Spectrum from Radiative J/ψ→γpp¯ Decays

Author

B.S. Zou, Yudan Wang, S. Q. Tang, J. Chen, H. M. Hu, W. B. Yan, J. G. Lu, G. R. Lu, Z. A. Zhu, D. Paluselli, G. S. Huang, Q. J. Li, T. Hu, XZ（蔡翔舟） Cai, Jiming Yang, Bing Zhou, F. Li, F. C. Ma, Q. Yue, J. C. Chen, R. Malchow, J. W. Zhao, G. W. Yu, K. Li, C. F. Liu, Yingchun Zhu, G. Li, Zhe Wang, R. B. Li, Jing Wang, Y. B. Zhao, Z. A. Liu, Xingzhu Cui, W. D. Li, W. R. Zhao, F. Liu, Liang Huang, S. D. Gu, Jie Chen, C. D. Fu, Y. Ban, B. D. Jones, S.S. Sun, M. L. Gao, Y. Zeng, Y. N. Gao, J. Fang, P. P. Zhao, Y. Q. Guo, Feng Shi, L. S. Zheng, J. Z. Wang, J. F. Qiu, S. T. Xue, Y. B. Chen, K. L. He, Z. P. Zheng, X. C. Zhong, Qiyang Zhang, Z. Y. Wang, Z. J. Lu, H. Y. Zhang, Lei Zhang, J. Z. Bai, X. H. Mo, L. S. Wang, H. H. Li, Guangzhao Zhou, Zheng Wang, X. M. Xia, X. C. Meng, G. S. Varner, Z. J. Guo, Y. F. Lai, Joseph Izen, G. Rong, S. W. Han, X. Tang, D. P. Jin, J. F. Chang, Xintong Li, Jun-Bing Ma, Xiru Huang, H. F. Chen, Fang Liu, J. Ying, W. F. Wang, W. H. Toki, J. M. Zhang, N. Wu, T. Hong, X. X. Xie, P. Wang, S. Q. Zhang, H. Y. Fu, G. L. Tong, B. A. Zhuang, J. Y. Zhang, H. Y. Sheng, W. X. Gong, Z. P. Zhang, Yiyun Zhang, Chun-Hua Jiang, M. H. Ye, Y. Z. Sun, D. H. Zhang, D. X. Zhao, B. Y. Zhang, Y. P. Chu, X. B. Ji, C. S. Yu, Jiemin Li, J. P. Liu, X. L. Luo, X. Y. Shen, N. D. Qi, Y. M. Dai, Y. X. Ye, Zujian Wang, L. Y. Dong, Y. C. Zhu, G. A. Yang, Meng Wang, D. Kong, C. D. Qian, Z. Z. Du, M. He, D. L. Shen, X. S. Jiang, M. Y. Gong, P. L. Wang, W. Dunwoodie, X. Q. Li, Y. K. Heng, Y. Y. Zhang, X. Y. Zhang, W. G. Li, S. P. Chi, Z. X. Liu, C. X. Liu, R. G. Liu, D. Tian, F. Lu, J. B. Liu, H. M. Liu, J. J. He, K. J. Zhu, J. M. Yuan, J. G. Bian, B. X. Zhang, Y. Jin, F. A. Harris, Y. N. Guo, Z. D. Nie, Y. Yuan, Y. S. Zhu, G. F. Xu, S. Jin, L. W. Song, S. S. Fang, C. Z. Yuan, Y. B. Liu, Yang Tian, E. C. Ma, S. X. Du, M. L. Yan, X. H. He, Y. J. Zhang, H. S. Chen, L. P. Zhou, Z. P. Mao, S. L. Zang, S.L. Olsen, J. Nie, Y. S. Dai, C. S. Gao, Jinxing Zheng, Q. M. Zhu, Y. C. Xu, M. Z. Wang, H. S. Sun, Haiping Peng, X. C. Lou, S. D. Yang, L. P. Fu, Houbing Lu, C. C. Zhang, J. C. Li, H. X. Yang, Z. G. Zhao, Z. J. Sun, H. Shen, R. Y. Li, Cunfeng Wei, Ning Zhou, J. W. Zhang, Jiawei Zhao, and Z. J. Ke

Subjects
Physics, Near threshold, Mass spectrum, Radiative transfer, Atomic physics
Published
2020

15. Partial wave analysis of ψ′→π+π−π0 at BESII

Author

Z. A. Liu, Y. X. Yang, Y. Ban, Z. P. Zheng, Feng Shi, S. Q. Zhang, H. X. Yang, H.S. Xu, Qiyang Zhang, Y. Zeng, X. L. Luo, Y. Q. Guo, Y. Z. Sun, J. Z. Bai, Y. B. Chen, Xiru Huang, G. L. Tong, G. F. Xu, P. Wang, Guangzhao Zhou, Q. M. Zhu, M. H. Ye, J. C. Li, Y. F. Lai, F. Li, F. C. Ma, Q. Yue, H. F. Chen, J. F. Qiu, W. F. Wang, M. Ablikim, B. A. Zhuang, Y. C. Zhu, J. P. Liu, S. Jin, N. Wu, Y. C. Xu, P. L. Wang, F. A. Harris, H. S. Chen, J. B. Zhao, Han-Qing Zheng, X. H. He, Xingzhu Cui, M. Z. Wang, X. Q. Li, X. S. Jiang, L. Y. Dong, X. Y. Zhang, H. M. Hu, F. Lu, Z. Y. Ren, W. G. Li, R. G. Liu, X. Y. Shen, J. B. Liu, S. D. Gu, G. S. Huang, Xintong Li, D. Y. Wang, H. Qin, J. G. Lu, H. Y. Sheng, W. R. Zhao, M. He, F. Liu, D. L. Shen, S. T. Xue, H. S. Sun, Zheng Wang, Y. P. Chu, J. G. Bian, C. X. Liu, Z. G. Zhao, K. L. He, X. B. Ji, X. X. Xie, G. S. Varner, Qingying Jia, H. M. Liu, Bo Xin, Yudan Wang, Yingchun Zhu, Y. N. Gao, N. D. Qi, T. Hu, Y. B. Zhao, XZ（蔡翔舟） Cai, X. J. Zhao, Y. Jin, S. Z. Wang, Fang Liu, J. C. Chen, B. X. Zhang, G. R. Lu, Z. J. Sun, C. Z. Yuan, Zhe Wang, Jiming Yang, Q. M. Ma, Z. Z. Du, Z. Y. Yi, Jun Chen, Shang Lunlin, X. M. Xia, G. Li, C. L. Luo, J. Fang, L. S. Zheng, Yang Tian, Q. J. Li, R. B. Li, Z. A. Zhu, X.L. Li, Kelin Wang, Jin Chen, C. D. Fu, Z. X. Liu, Xunchao Zhang, J. W. Zhao, S. S. Fang, Nongjian Tao, C. C. Zhang, L. H. Yi, H. Y. Fu, Z. Y. Deng, Z. D. Nie, Z. Y. Wang, C. D. Qian, S. M. Li, Fan Yang, D. X. Zhao, B. Y. Zhang, G. W. Yu, Y. Yuan, Y. S. Zhu, Hangxu Li, Jiemin Li, Jun-Bing Ma, L. S. Wang, D. H. Wei, M. G. Zhao, P. P. Zhao, S. X. Du, S.S. Sun, X. Y. Ma, Bing Zhou, S. P. Chi, W. X. Gong, Huirun Chen, J. Z. Wang, H. Y. Zhang, Lei Zhang, K. J. Zhu, J. M. Yuan, M. L. Yan, Lianyou Shan, G. Rong, X. Shi, J. Y. Zhang, Y. F. Liang, D. P. Jin, X. H. Mo, M. L. Chen, J. F. Chang, L. L. Ma, D. H. Zhang, C. S. Yu, Y. K. Heng, B.S. Zou, Y. Y. Zhang, X. Tang, Yiyun Zhang, Yu Zeng, Y. X. Ye, Y. J. Zhang, Z.Q. Zhang, X. C. Zhong, Liang Huang, L. P. Zhou, Z. P. Zhang, Z. P. Mao, Chun-Hua Jiang, Zujian Wang, M. Y. Gong, Y. M. Wu, Juan Zhang, Y. N. Guo, S. L. Zang, S.L. Olsen, H.B. Liao, Haiping Peng, J. Nie, Y. S. Dai, C. S. Gao, Jinxing Zheng, S. D. Yang, H. L. Dai, R. Y. Li, Cunfeng Wei, Ning Zhou, J. W. Zhang, and Z.J. Guo

Abstract

The decay ψ′→π+π−π0 is analyzed using a sample of 14 million ψ′ events taken with the BESII detector at the BEPC, and the branching fraction is measured to be B(ψ′→π+π−π0)=(18.1±1.8±1.9)×10−5. A partial wave analysis is carried out using the helicity amplitude method. ψ′→ρ(770)π is observed, and the branching fraction is measured to be B(ψ′→ρ(770)π)=(5.1±0.7±1.1)×10−5, where the first error is statistical and the second one is systematic. A high mass enhancement with mass around 2.15 GeV/c2 is also observed. Attributing this enhancement to the ρ(2150) resonance, the branching fraction is measured to be B(ψ′→ρ(2150)π→π+π−π0)=(19.4±2.5−3.4+11.5)×10−5. The results will help in the understanding of the longstanding “ρπ puzzle” between J/ψ and ψ′ hadronic decays.

Published
2020

16. Precise Measurement of the e+e− → π+π−J/ψ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV

Author

S. Han, Haiwen Liu, G. X. Sun, M. Savrie, J. M. Bian, Qun Ouyang, Y.N. Gao, L. Xia, Wolfgang Kuhn, P. F. Duan, A. Calcaterra, X. S. Jiang, Kanglin He, D. Y. Wang, S. H. Zhu, D. P. Jin, Xiao-Rui Lyu, H. Y. Sheng, J. S. Huang, A. Sarantsev, L. H. Wu, M. Tiemens, X. S. Qin, Xian Gao, C. Leng, M. Shao, B. L. Wang, Jianyu Zhang, L. B. Guo, D. H. Wei, E. Fioravanti, P. Musiol, C. F. Redmer, C. Schnier, Zhenyu Zhang, M. Ablikim, Yu Zhang, A. A. Zafar, B. J. Liu, Lei Zhao, X. D. Ruan, Y. J. Sun, Tao Hu, I. Tapan, Jia Liu, I. B. Nikolaev, Ding-Xiong Wang, Q. P. Ji, J. M. Zhang, R. Farinelli, Jie Zhang, L. L. Ma, L. Gong, Jingzhou Zhao, Guangshun Huang, L. Yan, Wang Zengqiang, Niu Xiaoyang, Z. Jiao, Z. J. Sun, H. L. Dai, H. X. Yang, C. Morales Morales, C. L. Luo, J. Z. Bai, Zhiqing Liu, Yuanbo Chen, Z. P. Mao, Y. P. Guo, Y. S. Zhu, Y. B. Liu, F. Feldbauer, Z. Y. You, H. H. Liu, X. L. Ji, H. H. Zhang, Michela Greco, Guangyu Zhao, J. W. Zhao, Jie Zhao, Gang Li, G. S. Varner, M. G. Zhao, Bibo Ke, Jia Xu, L. Zotti, Yuekun Heng, H. Muramatsu, J.H. Yin, H. Xiao, Hao Liang, Krisztian Peters, A. Amoroso, M. Wolke, B. Zhong, E. Boger, Lei Xu, Yongke Zhao, M. Fritsch, X. Y. Ma, Minglin Ma, L. G. Xia, M. N. Achasov, L. Yang, Xinying Song, P. Wang, D. J. Ambrose, I. Denysenko, Giulietto Felici, S. Pacetti, Xuan Zhang, N. Kalantar-Nayestanaki, Jie Liu, A. Yuncu, Chang-Zheng Yuan, Y. J. Mo, J. G. Messchendorp, Jin Li, Yingchun Zhu, M. Pelizaeus, Xiaocong Ai, Q. L. Xiu, Y. F. Wang, O. B. Kolcu, F. F. An, Y. H. Guan, F. Y. Li, R. Baldini Ferroli, A. Q. Guo, L. Fava, L. Zhang, X. R. Chen, H. Loehner, Y. F. Liang, Ming-Xing Luo, Jiajun Zheng, L. L. Wang, M. Destefanis, H. S. Chen, G. Rong, Y. T. Gu, B. Wang, J. F. Hu, T. Weber, H. Y. Zhang, Jianhao Zhang, M. Albrecht, Zheng Wang, Jianbei Liu, W. Shan, Dan Bennett, Ming Qi, X. Q. Hao, Z. Wu, Jianguo Zhang, O. Albayrak, G. A. Chelkov, Z. H. Qin, O. Bakina, M. H. Ye, S. Marcello, Talib Hussain, R. A. Briere, A. Julin, I. Uman, Chen Hu, J. F. Chang, X. K. Zhou, Y. Q. Wang, Yun-Zhi Zhang, Y. P. Lu, W. M. Song, Zhi Zeng, Y. N. Zhang, Qiang Zhao, S. Nisar, Meng Wang, X. S. Kang, Zhanwen Zhu, T. Held, Y. H. Yan, Wu Li, Xiang Li, Zhengguo Zhao, Feng Liu, Ling Zhao, Y. Ma, B. Kopf, D. M. Li, Y. Hu, T. Ma, M. Ripka, P. X. Shen, Wenbiao Yan, Kai Liu, Cunming Liu, Cui Li, N. Yu. Muchnoi, H. Cai, P. Weidenkaff, Yanwei Wang, L. D. Liu, Hong Ma, B. Y. Zhang, L. W. Jiang, Tiefu Zhao, G. Mezzadri, W. C. Yan, Xin Fang, R. Poling, G. R. Liao, X. W. Tang, S. L. Niu, M. Kornicer, Changjian Tang, X. H. Mo, W. P. Wang, Zhiqing Zhang, S. Spataro, S. S. Fang, Jingzhou Fan, D. Xiao, Li Zhou, Y. G. Xie, Yunpeng Lu, X. P. Xu, R. E. Mitchell, Y. Xia, X. K. Chu, W. J. Zheng, Shujun Zhao, J. F. Sun, Q. A. Malik, B. Kloss, D. H. Zhang, Y. Nefedov, Z. L. Dou, R. P. Guo, J. Liu, X. Y. Jiang, L. Q. Qin, F. Nerling, Zhao-Long Wang, K. Zhang, J. Lange, M. Bertani, F. A. Harris, Z. Y. Deng, M. H. Gu, W. Ikegami Andersson, X. Z. Cai, Yong Liu, D. Bettoni, Tord Johansson, C. Dong, H. J. Lu, Cunfeng Feng, Yi Fang, L. Lavezzi, K. H. Rashid, H. M. Hu, N. Qin, Lei Li, P. R. Li, Orhan Cakir, S. Sosio, Jiemin Li, Y. Z. Sun, J. L. Ping, W. X. Gong, Z. L. Hou, U. Wiedner, G. F. Xu, P. Kiese, G. Cibinetto, Siyuan Sun, Jia-ju Zhang, P. L. Liu, X. L. Luo, Y. Zhang, Zahra Haddadi, Qingnian Xu, Xiaozhong Huang, Ye-Fei Yuan, F. C. Ma, A. Denig, H. B. Liu, S. B. Liu, X. Y. Shen, Z. Gao, Mingshui Chen, Y. Pan, X. L. Kang, Q. J. Xu, Ch. Rosner, Q. W. Zhao, J. Chai, Xu Zhou, Ka-Yuet Liu, Joachim Pettersson, Andrzej Kupsc, X. C. Lou, Zhen Wang, Yiming Zhang, H. B. Li, F. De Mori, Shou-hua Zhu, Z. Liu, Fu-Hu Liu, L. J. Wu, Y. Zeng, P. Larin, F. E. Maas, W. F. Wang, S. X. Du, Cen Zhang, Teng Li, B. S. Zou, W. Gradl, X. L. Li, C. F. Qiao, J. P. Dai, S. Ahmed, Y. X. Yang, K. Schoenning, Q. Y. Li, J. V. Bennett, Niklaus Berger, K. Li, X. N. Ma, Jianbin Jiao, Y. Ding, L. S. Wang, Y. T. Liang, B. X. Yu, A. Hafner, X. H. Sun, Dmitri Dedovich, Xiang Zhou, Z. B. Li, K. Goetzen, I. Boyko, H. P. Peng, I. Garzia, B. X. Zhang, S. Z. Chen, Y. J. Mao, M. Kavatsyuk, T. Holtmann, G. F. Cao, E. H. Thorndike, Q. Gao, Fabrizio Bianchi, Q. An, J. Y. Zhang, Yuehong Xie, A. Zhemchugov, S. P. Wen, X. B. Ji, Y. Guo, Xingtao Huang, M. Y. Dong, Y. B. Li, Qingming Ma, Kai Zhu, Z. L. Huang, J. C. Chen, S. Qian, Xiang Liu, Xiaoyu Li, Jiaheng Zou, Chunxu Yu, T. J. Min, T. Luo, Junguang Lu, M. Maggiora, J. S. Yu, R. Kliemt, Guo-Ming Chen, H. Leithoff, Qi Liu, X. D. Chen, Y. H. Zheng, Fang Liu, Bingxuan Liu, H. J. Li, M. Ye, S. Jin, S. L. Olsen, C. P. Shen, Sai-Juan Chen, Jian Zhuang, M. Lara, Y. D. Wang, Wei Li, R. G. Ping, Hongji Yang, Kejun Zhu, Zhiyong Zhang, H. R. Qi, Z. J. Xiao, J. Min, C. D. Fu, Serkant Ali Cetin, P. Patteri, D. Y. Liu, Jianmin Dong, Jian Fang, Yong Ban, J. F. Qiu, S. Q. Zhang, Z. Ning, D. X. Lin, Xuejun Wang, Kai Wang, B. Zheng, Z. T. Sun, V. Prasad, L. Y. Dong, Xianglei Zhu, F. H. Heinsius, X. R. Zhou, Cheng Li, and A. Dbeyssi

Subjects
Nuclear physics, Physics, Cross section (physics), Sigma, Center of mass, Resonance (particle physics), Belle experiment, Storage ring
Abstract

The cross section for the process e(+)e(-)-> pi(+) pi(-) J/psi is measured precisely at center-of-mass energies from 3.77 to 4.60 GeV using 9 fb(-1) of data collected with the BESIII detector operating at the BEPCII storage ring. Two resonant structures are observed in a fit to the cross section. The first resonance has a mass of (222.0 +/- 3.1 +/- 1.4) MeV/ c(2) and a width of (44.1 +/- 4.3 +/- 2.0)MeV, while the second one has a mass of (4320.0 +/- 10.4 +/- 7.0)MeV/c(2) and a width of (101.4(- 19.7)(+25.3) +/- 10.2) MeV, where the first errors are statistical and second ones are systematic. The first resonance agrees with the Y(4260) resonance reported by previous experiments. The precision of its resonant parameters is improved significantly. The second resonance is observed in e(+)e(-)-> pi(+) pi(-) J/psi for the first time. The statistical significance of this resonance is estimated to be larger than 7.6 sigma. The mass and width of the second resonance agree with the Y(4360) resonance reported by the BABAR and Belle experiments within errors. Finally, the Y(4008) resonance previously observed by the Belle experiment is not confirmed in the description of the BESIII data.

Published
2020

17. Direct Measurement of the Pseudoscalar Decay Constant, fDs

Author

Z. P. Zheng, Y. Jin, J. C. Li, C. C. Zhang, D. Paluselli, G. P. Zhou, J. G. Lu, G. Zioulas, S. Z. Lin, W. R. Zhao, Z. A. Liu, L. S. Wang, M. H. Ye, R. B. Li, I. Blum, Z. Q. Xu, Y. H. Zhou, K. R. He, R. J. Wilson, Chun-Hua Jiang, D. P. Stoker, J. H. Liu, T. J. Wang, S. Whittaker, R. Malchow, G. L. Tong, T. Hu, Michael Schernau, W. Yang, B. A. Zhuang, P. Gratton, Q. P. Jia, J. Panetta, S. M. Chen, X. M. Xia, H. B. Lan, W. X. Zhao, S. Q. Gao, J. Nie, J. Fang, L. S. Zheng, X. R. Shi, Y. Z. Huang, G. P. Chen, Y. B. Liu, Y. Zhang, Y. C. Zhu, O. Bardon, P. L. Wang, E. Soderstrom, H. Shen, Wei Li, D. X. Zhao, B. Y. Zhang, F. C. Porter, F. Sun, X. Q. Hu, W. D. Li, Y. F. Gu, S. H. Kang, D. Z. Xu, J. M. lzen, X. F. Zhou, D. Q. Huang, R. S. Xu, Y. Y. Wang, Y. Y. Shao, C. S. Gao, D. G. Hitlin, M. He, D. L. Shen, J. Quigley, S. Z. Ye, M. Hatanaka, M. Mandelkern, C. Z. Yuan, H. B. Hu, R. G. Liu, Jinxing Zheng, S. J. Chen, H. S. Mao, B. K. Kim, Y. Q. Chen, S. T. Xue, J. W. Zhang, B. Schmid, B. S. Cheng, J. Z. Bai, A. Breakstone, Q. Liu, Xingzhu Cui, M. G. Zhao, G. Y. Hu, F. A. Harris, L. Jones, J. H. Gu, J. Schultz, X. L. Fan, F. Li, H. L. Ni, H. C. Cui, Y. K. Que, J. Chen, Li Zhou, H. B. Yao, Q. M. Zhu, H. Z. Shi, P. Wang, Jun-Bing Ma, Y. P. Tan, S. M. Wang, D. M. Xi, J. Yan, S. W. Han, J. Synodinos, X. F. Song, P. P. Xie, X. Y. Shen, P. F. Lang, J. W. Zhao, S. D. Gu, S. Q. Zhang, L. Z. Wang, A. M. Ma, H. S. Zhou, J. J. He, M. Z. Wang, H. L. Ding, M. H. Kelsey, Y. N. Guo, E. Torrence, H. S. Sun, X. C. Lou, J. Oyang, H. Y. Sheng, W. Dunwoodie, R. K. Yamamoto, Y. L. Han, P. Q. Li, M. L. Gao, W. G. Li, Xinglong Li, D. H. Zhang, J. Y. Zhang, X. Q. Li, S. Q. Tang, Pihong Zhao, W. J. Wisniewski, C. S. Yu, C. X. Yu, B. Lowery, W. X. Gu, R. Cowan, E. Prabhakar, Y. B. Chen, W. H. Toki, C. Y. Yang, N. D. Qi, H. M. Liu, A. J. Lankford, Y. F. Lai, H. F. Chen, X. C. Meng, W. F. Wang, J. Standifird, L. J. Pan, Michael J. Fero, Y. Y. Zhang, A. J. S. Smith, Y. S. Zhu, C. M. Yang, W. X. Gao, Z. Z. Du, W. G. Yan, S. J. Sun, E. C. Ma, Lei Zhang, H. L. Zhang, G. Rong, Z. Q. Yu, S.L. Olsen, T. H. Burnett, F. Wang, Z. P. Mao, and Q. Y. Li

Subjects
Physics, Pseudoscalar, Particle physics, Exponential decay
Published
2020

20. The fifth geometric-arithmetic index of bridge graph and carbon nanocones

Author

W. F. Wang and Wei Gao

Subjects
Algebra and Number Theory, Index (economics), Structure analysis, Applied Mathematics, 02 engineering and technology, Edge (geometry), 01 natural sciences, Combinatorics, chemistry.chemical_compound, chemistry, Topological index, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Graph (abstract data type), 020201 artificial intelligence & image processing, Molecular graph, 010306 general physics, Carbon nanocone, Analysis, Mathematics
Abstract

As an important topological index, the fifth geometric-arithmetic index is used to test the chemical properties of chemical compounds, nanomaterials and drugs. In this paper, by means of graph structure analysis and edge dividing technology, the formulate for calculating the fifth geometric-arithmetic index of bridge graph is given. Furthermore, we present the fifth geometric-arithmetic index of carbon nanocones CNCn(k).

Published
2016

21. Expression of N-cadherin in myocardial tissues during the development of a rat heart

Author

L. M. Mu, H Zheng, W F Wang, Zhikun Guo, and G M Zhang

Subjects
Regulation of gene expression, medicine.medical_specialty, Heart development, Cadherin, Myocardium, Cell, Gene Expression Regulation, Developmental, Heart, General Medicine, Biology, Cadherins, Embryonic stem cell, Rats, Reverse transcription polymerase chain reaction, Endocrinology, medicine.anatomical_structure, Cytoplasm, Internal medicine, Genetics, medicine, Animals, Immunohistochemistry, Female, RNA, Messenger, Molecular Biology
Abstract

We investigated the expression and distribution of N-cadherin during the development of a rat heart. Immunohistochemistry (IHC) was performed to detect the expression and distribution of N-cadherin in the myocardial tissues of rats at embryonic day 18 (E18d), postnatal day 5 (P5d), postnatal day 19 (P19d), postnatal day 40 (P40d), and postnatal year 1 (P1y). Reverse transcription polymerase chain reaction was used to determine mRNA expression levels of N-cadherin in the myocardial tissues at E18d, P5d, P19d, P40d, and P1y. The IHC results showed that at E18d N-cadherin was dispersedly distributed both on the cell surface and in the cytoplasm of the myocardial cells, and gradually became concentrated at the end-to-end intercalated discs of the cardiomyocytes from birth through immaturity. In the young, middle-aged, and old rats, N-cadherin was typically distributed at the intercalated discs at the end of the myocardial cells. No significant differences in the mRNA expression levels of N-cadherin were detected in the myocardial tissue of rats at E18d, P5d, P19d, P40d, and P1y. During the development of the rat heart, observable changes in the distribution of N-cadherin occurred in the myocardial tissues, but there were no detectable changes in the expression of N-cadherin, indicating that N-cadherin is indispensable to maintaining the physical structure and function of the heart.

Published
2015

22. An improved robust watermarking scheme based on a shape-specific point and feature-embedding technique

Author

Ran-Zan Wang, C. Y. Yang, Y. F. Wang, and W. F. Wang

Subjects
business.industry, Centroid, Decision rule, computer.file_format, Feature (computer vision), Robustness (computer science), Computer Science::Multimedia, JPEG 2000, Compression ratio, Media Technology, Embedding, Computer vision, Computer Vision and Pattern Recognition, Artificial intelligence, business, Algorithm, computer, Digital watermarking, Mathematics
Abstract

This study presents an improved robust watermarking scheme based on the shape-specific point and feature-embedding technique, namely, the Yang’s scheme. In this study, a variant of the radius-weighted mean (RWM) decision rule and an extra rule are employed to promote hiding capacity, while maintaining competitive robustness. Simulations demonstrated that the proposed method is more robust than Yang’s scheme against versatile manipulations; both the hiding capacity and peak signal-to-noise ratio (PSNR) of the proposed scheme are superior to that presented by Yang’s scheme. Moreover, the proposed method has better performance in resisting large-scale noise-addition attacks when compared with Yang’s scheme. Finally, the proposed scheme has an outstanding performance in resisting high compression ratio (CR) attacks from JPEG 2000. Specifically, the extracted watermarks are recognisable when the marked images were compressed by JPEG 2000 with a CR of 253.

Published
2014

23. A study of the protective effect and mechanism of ketamine on acute lung injury induced by mechanical ventilation

Author

W-F, Wang, S, Liu, and B, Xu

Subjects
Adult, Aged, 80 and over, Male, Ventilator-Induced Lung Injury, Acute Lung Injury, Cytokines, Humans, Female, Ketamine, Middle Aged, Lung, Respiration, Artificial, Aged
Abstract

To investigate the protective effects and mechanism of ketamine on acute lung injury induced by mechanical ventilation.63 patients with acute lung injury caused by mechanical ventilation in our hospital between June 2014 and May 2015 were chosen and divided into three groups: group A, B, and C. Group A (20 cases) received conventional treatment. Group B (21 cases) was treated with propofol and group C (22 cases) with ketamine. The ventilator application time, the success rate of weaning, the mortality rate, inflammation index (IL-1, Caspase-1, and NF-κB), pulmonary function index and oxygen saturation were compared.The ventilator application time and the mortality rate of group B and group C were significantly (p0.05) lower than those of group A. The success rate of weaning of groups B and C was higher (p0.05) than that of group A. There was no difference between groups B and C. After intervention, the levels of PaO2 and SpO2 in the three groups increased, while the level of PaCO2decreased with better improvement in group B and group C than in group A (p0.05), groups B and C being similar (p0.05). After the intervention, the levels of FEV1, FEV1/FVC, FVC and PEER in the three groups increased, but more remarkably in group B and group C (p0.05), in which there was no difference. After the intervention, the levels of IL-1β, Caspase-1, and NF-κB in the three groups decreased with the levels of group C obviously lower (p0.05) than those of groups B and A, the highest.Both ketamine and propofol can improve the blood gas and pulmonary function index of patients with acute lung injury caused by mechanical ventilation. They shorten the application time of ventilator, improve the success rate of weaning and reduce the mortality rate which is probably related to the reduction of the degree of inflammatory reaction. Ketamine is more effective in reducing inflammatory factors including IL-1β, Caspase-1, and NF-κB than propofol.

Published
2017

24. Precise Measurement of the e+e−→π+π−J/ψ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV

Author

Teng Li, B. S. Zou, D. Y. Liu, J. P. Dai, Jianmin Dong, Yong Ban, Y. D. Wang, J. F. Qiu, S. Q. Zhang, C. F. Qiao, Z. Ning, K. Li, K. Zhang, J. Lange, Q. P. Ji, Lei Li, W. X. Gong, Y. J. Mao, G. Cibinetto, F. C. Ma, M. Maggiora, Wei Li, R. G. Ping, J. V. Bennett, T. Holtmann, J. S. Yu, S. S. Fang, Xuejun Wang, Hongji Yang, Kejun Zhu, Q. J. Xu, Zhiyong Zhang, A. Sarantsev, X. H. Sun, Guangshun Huang, L. Yan, Q. Gao, Lei Zhao, Q. An, H. R. Qi, X. C. Lou, Zhen Wang, Yiming Zhang, F. A. Harris, J. Y. Zhang, Yuehong Xie, A. Dbeyssi, J. Min, Z. J. Xiao, M. H. Gu, X. D. Ruan, L. L. Ma, H. Loehner, L. Gong, Ming-Xing Luo, X. N. Ma, A. Zhemchugov, L. S. Wang, Y. T. Liang, Qi Liu, X. D. Chen, Zhiqing Liu, X. L. Ji, Z. B. Li, M. Kavatsyuk, Bibo Ke, Yuekun Heng, E. H. Thorndike, S. P. Wen, C. D. Fu, G. Rong, Wolfgang Kuhn, Serkant Ali Cetin, H. Leithoff, P. F. Duan, H. H. Zhang, Bingxuan Liu, S. Jin, Xingtao Huang, L. Lavezzi, B. L. Wang, M. N. Achasov, Giulietto Felici, Xiaozhong Huang, X. B. Ji, Mingshui Chen, A. Amoroso, W. M. Song, Sai-Juan Chen, S. Pacetti, Y. H. Zheng, Fang Liu, Y. F. Wang, H. Muramatsu, Hao Liang, M. Wolke, Z. Wu, O. B. Kolcu, Jian Zhuang, Y. B. Li, A. Denig, Jin Li, Qun Ouyang, Jian Fang, S. H. Zhu, X. H. Mo, W. P. Wang, Yingchun Zhu, Orhan Cakir, M. Lara, P. Kiese, Siyuan Sun, M. Shao, A. Q. Guo, Andrzej Kupsc, C. Leng, Xu Zhou, H. B. Li, Shou-hua Zhu, M. Tiemens, X. Q. Hao, R. Kliemt, H. J. Li, M. Ye, L. Zotti, L. Zhang, Jiajun Zheng, Y. T. Gu, Zhi Zeng, N. Yu. Muchnoi, H. Cai, D. X. Lin, Y. H. Guan, R. A. Briere, A. Julin, Kai Wang, Y. Xia, F. Y. Li, S. L. Olsen, Z. Liu, B. Zheng, Zheng Wang, Guo-Ming Chen, J. Z. Bai, F. Feldbauer, Shujun Zhao, H. L. Dai, Z. T. Sun, C. P. Shen, Yong Liu, D. Bettoni, D. Y. Wang, Y. Zeng, R. Farinelli, G. F. Xu, Xuan Zhang, Jie Liu, H. Y. Sheng, Wang Zengqiang, Niu Xiaoyang, Z. Jiao, C. L. Luo, Cen Zhang, S. X. Du, Y. P. Lu, Y. N. Zhang, Fabrizio Bianchi, Zhengguo Zhao, Michela Greco, Guangyu Zhao, J. W. Zhao, Jie Zhao, S. Z. Chen, Changjian Tang, S. Ahmed, Y. X. Yang, Jie Zhang, Jia Xu, H. X. Yang, V. Prasad, L. Y. Dong, M. G. Zhao, Xianglei Zhu, R. Baldini Ferroli, F. H. Heinsius, J. F. Chang, X. K. Zhou, Wenbiao Yan, Ming Qi, Xian Gao, P. Wang, S. Marcello, J.H. Yin, G. F. Cao, A. Yuncu, D. M. Li, Haiwen Liu, J. F. Sun, Yongke Zhao, R. Poling, B. Zhong, L. B. Guo, D. H. Wei, E. Fioravanti, Y. G. Xie, Jia-ju Zhang, Yunpeng Lu, X. P. Xu, K. Schoenning, Q. Y. Li, Jiemin Li, T. Luo, Y. Zhang, B. Wang, Y. Z. Sun, Junguang Lu, X. R. Zhou, Cheng Li, Yuanbo Chen, Jingzhou Fan, T. Held, Niklaus Berger, A. Hafner, J. G. Messchendorp, T. Ma, Dmitri Dedovich, Q. L. Xiu, M. Pelizaeus, G. X. Sun, Z. P. Mao, I. Uman, Xiang Li, A. Calcaterra, L. L. Wang, Xiang Zhou, S. B. Liu, B. Kloss, X. S. Qin, Cunming Liu, Y. Guo, G. R. Liao, X. Y. Shen, Jingzhou Zhao, X. W. Tang, B. Kopf, I. B. Nikolaev, Ding-Xiong Wang, Ye-Fei Yuan, B. X. Zhang, M. Bertani, Minglin Ma, S. L. Niu, M. Kornicer, Z. Y. You, J. S. Huang, Hong Ma, R. E. Mitchell, L. Yang, F. F. An, I. Denysenko, Q. A. Malik, Z. Y. Deng, J. Liu, H. H. Liu, M. Fritsch, C. Dong, Y. H. Yan, O. Albayrak, Zhenyu Zhang, B. J. Liu, L. G. Xia, Tiefu Zhao, S. Sosio, H. Y. Zhang, Wu Li, Jianhao Zhang, Tao Hu, Joachim Pettersson, Meng Wang, Jia Liu, M. Destefanis, X. S. Kang, Chang-Zheng Yuan, Y. J. Mo, Cunfeng Feng, D. H. Zhang, G. Mezzadri, W. C. Yan, F. E. Maas, L. Q. Qin, L. Fava, Zhanwen Zhu, Y. F. Liang, X. L. Li, H. S. Chen, M. Ripka, T. Weber, Y. Ding, N. Qin, P. L. Liu, Chen Hu, Z. L. Hou, X. L. Luo, X. K. Chu, H. J. Lu, B. Y. Zhang, C. Morales Morales, Feng Liu, Ling Zhao, O. Bakina, X. S. Jiang, Kanglin He, Zhao-Long Wang, Z. Gao, Ch. Rosner, I. Garzia, Jianyu Zhang, L. H. Wu, P. X. Shen, Ka-Yuet Liu, P. Musiol, L. W. Jiang, C. F. Redmer, C. Schnier, Zhiqing Zhang, W. Gradl, M. Ablikim, Yu Zhang, A. A. Zafar, J. M. Zhang, S. Han, M. Savrie, J. M. Bian, Y.N. Gao, L. Xia, Jianbei Liu, Lei Xu, W. Shan, Dan Bennett, N. Kalantar-Nayestanaki, Jianguo Zhang, Yi Fang, Y. Q. Wang, K. H. Rashid, U. Wiedner, Qingnian Xu, Qiang Zhao, S. Nisar, Y. Hu, Kai Liu, Xin Fang, H. B. Liu, X. L. Kang, D. Xiao, Q. W. Zhao, M. H. Ye, X. Y. Jiang, Yun-Zhi Zhang, P. Weidenkaff, L. D. Liu, P. R. Li, J. L. Ping, Zahra Haddadi, W. J. Zheng, Y. Nefedov, F. Nerling, Y. Pan, J. Chai, X. Z. Cai, R. P. Guo, W. Ikegami Andersson, Tord Johansson, F. De Mori, Fu-Hu Liu, Y. J. Sun, Z. J. Sun, Y. P. Guo, Y. S. Zhu, Y. B. Liu, Gang Li, G. S. Varner, G. A. Chelkov, Z. H. Qin, Talib Hussain, Yanwei Wang, Li Zhou, Z. L. Dou, D. P. Jin, Xiao-Rui Lyu, X. Y. Ma, M. Y. Dong, Qingming Ma, Kai Zhu, Z. L. Huang, J. C. Chen, S. Qian, Xiang Liu, Xiaoyu Li, Jiaheng Zou, Chunxu Yu, T. J. Min, L. J. Wu, P. Larin, Krisztian Peters, J. F. Hu, Y. Ma, S. Spataro, Jianbin Jiao, B. X. Yu, K. Goetzen, I. Boyko, H. P. Peng, H. M. Hu, I. Tapan, W. F. Wang, H. Xiao, E. Boger, Xinying Song, D. J. Ambrose, Xiaocong Ai, X. R. Chen, M. Albrecht, Cui Li, and P. Patteri

Subjects
Nuclear physics, Physics, Cross section (physics), 010308 nuclear & particles physics, 0103 physical sciences, General Physics and Astronomy, Sigma, Center of mass, 010306 general physics, 01 natural sciences, Resonance (particle physics), Belle experiment, Storage ring
Abstract

The cross section for the process e(+)e(-)-> pi(+) pi(-) J/psi is measured precisely at center-of-mass energies from 3.77 to 4.60 GeV using 9 fb(-1) of data collected with the BESIII detector operating at the BEPCII storage ring. Two resonant structures are observed in a fit to the cross section. The first resonance has a mass of (222.0 +/- 3.1 +/- 1.4) MeV/ c(2) and a width of (44.1 +/- 4.3 +/- 2.0)MeV, while the second one has a mass of (4320.0 +/- 10.4 +/- 7.0)MeV/c(2) and a width of (101.4(- 19.7)(+25.3) +/- 10.2) MeV, where the first errors are statistical and second ones are systematic. The first resonance agrees with the Y(4260) resonance reported by previous experiments. The precision of its resonant parameters is improved significantly. The second resonance is observed in e(+)e(-)-> pi(+) pi(-) J/psi for the first time. The statistical significance of this resonance is estimated to be larger than 7.6 sigma. The mass and width of the second resonance agree with the Y(4360) resonance reported by the BABAR and Belle experiments within errors. Finally, the Y(4008) resonance previously observed by the Belle experiment is not confirmed in the description of the BESIII data.

Published
2017

25. Interactive effects of elevated CO2 and drought on photosynthetic capacity and PSII performance in maize

Author

W. F. Wang, Y. Z. Zong, Q. W. Xue, and Zhouping Shangguan

Subjects
Photosynthetic reaction centre, Chlorophyll a, Physiology, Chemistry, Analytical chemistry, Energy flux, Plant Science, Photosynthesis, Photosynthetic capacity, Electron transport chain, chemistry.chemical_compound, Environmental chemistry, Flux (metabolism), Photosystem
Abstract

Elevated atmospheric CO2 concentration [CO2] and the change of water distribution in arid and semiarid areas affect plant physiology and ecosystem processes. The interaction of elevated [CO2] and drought results in the complex response such as changes in the energy flux of photosynthesis. The performance of photosystem (PS) II and the electron transport were evaluated by using OJIP induction curves of chlorophyll a fluorescence and the P N-C i curves in the two-factor controlled experiment with [CO2] of 380 (AC) or 750 (EC) [μmol mol−1] and water stress by 10% polyethylene glycol 6000. Compared to water-stressed maize (Zea mays L.) under AC, the EC treatment combined with water stress decreased the number of active reaction centers but it increased the antenna size and the energy flux (absorbed photon flux, trapping flux, and electron transport flux) of each reaction center in PSII. Thus, the electron transport rate was enhanced, despite the indistinctively changed quantum yield of the electron transport and energy dissipation. The combination of EC and the water-stress treatment resulted in the robust carboxylation rate without elevating the saturated photosynthetic rate (P max). This study demonstrated that maize was capable of transporting more electrons into the carboxylation reaction, but this could not be used to increase P max under EC.

Published
2014

26. Track finding efficiency in BABAR

Author

H. H. F. Choi, Maurizio Martinelli, J. M. Roney, S. Christ, D. N. Brown, B. Bhuyan, Owen Rosser Long, Ryan White, A. M. Lutz, E. Prencipe, M. Fritsch, Dominik Müller, E. P. Solodov, Roberto Covarelli, W. F. Wang, Thomas Allmendinger, A. Hafner, Milind Purohit, A. G. Denig, Gabriele Simi, E. W. Varnes, D. Lopes Pegna, A. V. Telnov, I. M. Nugent, M. Davier, Roland Waldi, and R. Kowalewski

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Instrumentation, media_common.quotation_subject, Detector, Radiation, Tracking (particle physics), 01 natural sciences, Measure (mathematics), Asymmetry, Charged particle, Momentum, Nuclear physics, 0103 physical sciences, 010306 general physics, media_common
Abstract

We describe several studies to measure the charged track reconstruction efficiency and asymmetry of the B A B AR detector. The first two studies measure the tracking efficiency of a charged particle using τ and initial state radiation decays. The third uses the τ decays to study the asymmetry in tracking, the fourth measures the tracking efficiency for low momentum tracks, and the last measures the reconstruction efficiency of K S 0 particles. The first section also examines the stability of the measurements vs. B A B AR running periods.

Published
2013

27. Genome-wide analysis of TCP family in tobacco

Author

Y H Sun, Hong-Duo Chen, Y Q Chen, F Xia, A M Ding, Luonan Chen, and W F Wang

Subjects
0301 basic medicine, Nicotiana tabacum, Protein domain, Arabidopsis, Sequence alignment, Computational biology, Biology, Genome, Chromosomes, Plant, Evolution, Molecular, 03 medical and health sciences, Solanum lycopersicum, Gene Expression Regulation, Plant, Tobacco, Genetics, Amino Acid Sequence, Molecular Biology, Gene, Phylogeny, Plant Proteins, Regulation of gene expression, Gene Expression Profiling, food and beverages, General Medicine, biology.organism_classification, Gene expression profiling, 030104 developmental biology, Multigene Family, Sequence Alignment, Genome, Plant, Transcription Factors
Abstract

The TCP family is a transcription factor family, members of which are extensively involved in plant growth and development as well as in signal transduction in the response against many physiological and biochemical stimuli. In the present study, 61 TCP genes were identified in tobacco (Nicotiana tabacum) genome. Bioinformatic methods were employed for predicting and analyzing the gene structure, gene expression, phylogenetic analysis, and conserved domains of TCP proteins in tobacco. The 61 NtTCP genes were divided into three diverse groups, based on the division of TCP genes in tomato and Arabidopsis, and the results of the conserved domain and sequence analyses further confirmed the classification of the NtTCP genes. The expression pattern of NtTCP also demonstrated that majority of these genes play important roles in all the tissues, while some special genes exercise their functions only in specific tissues. In brief, the comprehensive and thorough study of the TCP family in other plants provides sufficient resources for studying the structure and functions of TCPs in tobacco.

Published
2016

28. Study on temperature and humidity environment of grotto 72 at the Mogao Grottoes in Dunhuang, China

Author

Guo Shuai Li, Moshi Song, Jian Jun Qu, and W. F. Wang

Subjects
Hydrology, Atmospheric Science, Moisture, Monitoring data, Water irrigation, Environmental science, Humidity, Relative humidity, Mural, Windbreak, High humidity
Abstract

This article presents research on destructive environmental mechanisms affecting the murals in the Mogao Grottoes, specifically Grotto 72, from a meteorological perspective. Analysis of outside monitoring data during 1999-2008 shows that condensation of moisture and/or salt deliquescence on the mural affects a high percentage of the internal grotto, whereas the interchange of moisture between the interior grotto and the surrounding air accounts for a relatively small effect. But high humidity was the threat to the mural, so the planting of the shelterbelts was a new threat to the mural due to irrigation of shelterbelts. The higher relative humidity (RH) produced by shelterbelts in front of the grottoes is only weakly related to local precipitation but is highly correlated with the times of water irrigation of those shelterbelts. The intra-seasonal variability of temperature and RH on the mural surface is relatively stable because temperature inversion frequently occurs in the internal grotto and is favourable for maintenance of stable air stratification that is beneficial to the preservation of the wall paintings. Using ridge regression estimation of the period data, coupling equations of the change of temperature and humidity on the mural surface, the internal grotto air and the external environment are obtained. The real-time dynamics of temperature and humidity are thus analysed and reported here, offering a scientific basis for establishing a long-term monitoring network in the Mogao Grottoes. Copyright (c) 2012 Royal Meteorological Society

Published
2012

29. The effects of dietary lipid levels on performance and heat-shock protein response of juvenile white seabass,Atractoscion nobilis

Author

Dong-Fang Deng, W.-F. Wang, Mark Drawbridge, Donald Allen Davis, Silas S.O. Hung, and Dave Jirsa

Subjects
Fish meal, Animal science, Biochemistry, White seabass, Heat shock protein, Soybean meal, Dietary lipid, Aquatic Science, Heat shock, Biology, biology.organism_classification, Soy protein, Feed conversion ratio
Abstract

A feeding trial was conducted to study the effect of dietary lipid on growth performance and heat-shock protein (HSP70 and HSP60) response of white seabass (WSB), Atractoscion nobilis. Five diets were formulated to contain 440 g kg−1 protein from 300 g kg−1 fish meal, 240 g kg−1 soybean meal and 100 g kg−1 soy protein concentrate with different levels of lipid: 100, 120, 140, 160 or 180 g kg−1. At the end of the trial, heat shock response based on HSP70 and HSP60 was measured in liver and white muscle from fish at ambient temperature and temperature shock conditions. Final weight and percent gain were significantly higher for fish fed the 100 g kg−1 lipid diet than for fish fed the rest of the diets (P ≤ 0.05). Feed conversion ratio was lowest for fish fed the 100 g kg−1 lipid diet. The HSP70 and HSP60 responses were positively correlated to dietary lipid levels following temperature shock. At ambient temperature, HSP60 and HSP70 responses in muscle and HSP60 response in liver increased with dietary lipid level. Temperature shock significantly increased the HSP response of fish in all treatments. Results of this study demonstrated that a moderate (110–120 g kg−1) level of dietary lipids would be recommended for production diets but a higher dietary lipid level may be required for optimal stress tolerance.

Published
2012

30. Proceedings of a joint meeting of the Anaesthetic Research Society and the Chinese Society of Anesthesiology

Author

Y. P. Dong, R.-Q. Han, C. K. Zhou, L. J. Chen, Zhen Hu, L. Xiong, K. Xie, B. J. Liu, C. X. Qing, X. Sun, W. Jin, Z. Hong, R. S. Liu, Y. Xuan, Y. Yu, L. Yang, G. Feng, Y. H. Zhou, P. J. Hui, Chen Lei, J. Z. Wang, D. Zhu, Y. M. Zhou, G. T. C. Wong, K. X. Liu, Ran Han, S. Lui, B. X. Yang, Y. Zhang, Q. Lian, Jin Min Yang, X. Y. Zhang, E. Y. Li, N. Li, B. Dong, Y. J. Sun, R. Zhou, J. C. Li, A. L. Luo, L. Zhang, Wei Zhang, Y. S. Li, L. Juan, B. Mei, Boxiang Yu, Y. Li, Jing Zhou, Z. X. Liu, F. Zhang, D. X. Wang, Y. Y. Cao, H. Y. Zhang, Q. Jin, Han, Guangyi Zhang, J. Sun, E. W. Gu, T. Yu, J. Ma, J. Y. Zhang, H. Lu, W. Q. Huang, M. Gao, Y. Wang, Q. Y. Shi, S.-J. Zhu, L. Sun, Y.-S. Hua, J. Xu, W. F. Wang, C-Q. Li, Liyuan Han, M.-R. Wang, M. Samat, H.-Y. Zeng, Y. G. Diao, L. Hou, J. W. Zheng, S. Li, Y. Qian, C. Fang, Huirun Chen, L. Liu, J. P. Liu, H. Bao, Wang Gang, G. J. Shan, H.-Y. Liu, Q. J. Li, D. L. Mu, S. J. Liu, H. Qiao, X. L. Wang, H. Cao, L. Ji, W. Huang, C. H. Wang, H. Zheng, Q. Gong, T. Z. Zhang, M. Y. Zhai, Z. Y. Geng, Y. Luo, Q. L. Chen, T. Li, Q. Xue, Qingmin Zhang, P. Lu, M. G. Irwin, S. H. Wen, W. Wu, and X. Y. Liu

Subjects
Veterinary medicine, medicine.medical_specialty, Anesthesiology and Pain Medicine, business.industry, Anesthesiology, medicine, Library science, Joint (building), Chinese society, China, business
Published
2012

31. Study of decay dynamics andCPasymmetry inD+→KL0e+νedecay

Author

H. B. Li, X. K. Chu, F. Y. Li, X. Q. Li, Ling Zhao, A. G. Denig, C. L. Luo, H. J. Lu, J. G. Lu, Q. Ouyang, Lei Zhao, Z. L. Hou, Yang Yang, Peilian Liu, C. C. Zhang, B. Zhong, L. B. Guo, Lingxuan Zhang, Y. Ding, S. S. Fang, F. E. Maas, T. Hu, Y. B. Liu, P. L. Wang, Z. T. Sun, Z. A. Liu, X. L. Luo, V. Prasad, Y. H. Zheng, Cong-Feng Qiao, O. Albayrak, I. Uman, C. Hu, X. Tang, R. Kliemt, Y. Ban, P. Weidenkaff, C. Leng, A. Zallo, L. G. Xia, Ulrich Wiedner, K. J. Zhu, K. Moriya, B. J. Liu, W. P. Wang, N. Yu. Muchnoi, X. S. Kang, S. P. Wen, Jie Yu, F. Bianchi, J. Min, X. S. Qin, X. R. Zhou, Guangming Huang, Y. H. Zhang, P. X. Shen, Z. Wu, Cheng Li, S. Schumann, K. Y. Liu, Z. B. Li, C. Z. Yuan, J. F. Sun, P. Larin, Z. A. Zhu, X. H. Mo, L. S. Wang, M. H. Ye, J. B. Jiao, L. W. Jiang, H. L. Ma, D. M. Li, T. Ma, B. Kopf, F. Li, D. Y. Liu, Z. Y. Wang, Yao Wang, X. Y. Jiang, Y. H. Guan, Kai Liu, Zhiqing Zhang, C. P. Shen, L. J. Wu, L. L. Wang, H. Cai, F. C. Ma, K. L. He, H. Muramatsu, M. Pelizaeus, M. H. Gu, M. M. Ma, P. R. Li, X. N. Ma, Y. J. Mo, S. B. Liu, G. Li, Y. F. Wang, H. Y. Sheng, M. Z. Wang, D. Bettoni, E. H. Thorndike, L. D. Liu, Y. X. Yang, Y. Zeng, Y. T. Liang, C. D. Fu, C. X. Yu, H. H. Liu, Y. Nefedov, J. C. Li, H. S. Chen, T. Weber, L. Y. Dong, Jimin Zhao, C. Q. Feng, X. R. Chen, L. Q. Qin, J. F. Qiu, B. Zheng, R. G. Ping, M. Fritsch, F. Feldbauer, Z. Y. Deng, M. Maggiora, A. Hafner, M. Kavatsyuk, Q. P. Ji, Q. Zhao, Y. Z. Sun, L. Fava, Y. X. Xia, S. H. Zhu, Liqing Xu, X. Y. Shen, S. Han, W. J. Zheng, X. Y. Ma, X. K. Zhou, Xingguo Li, X. C. Chen, M. Qi, S. Qian, Jialun Ping, G. X. Sun, J. V. Bennett, Li Yan, Xiang Zhou, K. Zhang, X. Y. Zhang, J. Zhuang, Z. Ning, M. X. Luo, Jian Wei, J. Z. Bai, Yucheng Huang, Gang Zhao, F. Nerling, B. X. Zhang, Cui Li, Z. Jiao, Fu-Hu Liu, W. X. Gong, D. V. Dedovich, Y. B. Chen, H. J. Yang, Xiaofeng Zhu, J. Z. Zhang, L. H. Wu, D. H. Zhang, M. Lara, J. B. Liu, Y. J. Mao, H. J. Li, J. Y. Liu, M. Savrie, Y. J. Sun, E. Boger, Y. P. Lu, Y. B. Zhao, G. Cibinetto, Q. L. Xiu, J. Q. Zhang, S. Marcello, J. H. Yin, G. Felici, K. H. Rashid, S. Chen Chen, W. F. Wang, H. H. Zhang, W. Shan, X. B. Ji, M. Tiemens, Q. Gao, Y. N. Gao, Y. Zhang, P. Patteri, Q. An, X. Fang, J. Dong, Jie Zhao, D. X. Lin, Feng Liu, M. Shao, Y. T. Gu, X. Y. Gao, H. M. Hu, E. Fioravanti, X. H. Sun, J. Z. Fan, A. Zhemchugov, X. Liu, M. Ablikim, Y. Q. Wang, X. L. Kang, A. Sarantsev, D. H. Wei, J. S. Lange, J. W. Zhang, Q. W. Zhao, S. Nisar, C. J. Tang, Y. Hu, Z. J. Xiao, Serkant Ali Cetin, M. Bertani, Z. Haddadi, Z. G. Zhao, P. Kiese, L. Yang, Chi Zhang, Z. J. Sun, H. Loehner, B. Wang, D. Xiao, S. L. Olsen, R. A. Briere, Jun-Yi Zhang, Y. P. Guo, W. Gradl, G. S. Huang, M. Ripka, S. Sosio, Krisztian Peters, Z. P. Zhang, X. S. Jiang, G. R. Liao, D. W. Bennett, Zujian Wang, O. Cakir, Zhiqing Liu, Jin Li, T. Johansson, J. F. Chang, Z. H. Wang, X. Cai, X. Q. Hao, F. A. Harris, C. F. Redmer, Xiaocong Ai, M. G. Zhao, R. P. Guo, X. T. Huang, A. A. Zafar, G. Rong, Y. N. Zhang, M. Ullrich, Z. G. Wang, H. Y. Zhang, M. Y. Dong, G. F. Chen, H. B. Liu, S. J. Chen, J. Y. Zhang, J. H. Zou, S. S. Sun, Magnus Wolke, J. J. Xu, Y. F. Liang, D. P. Jin, L. Zotti, Y. K. Heng, Dayong Wang, N. Qin, J. M. Bian, Zhenyu Zhang, S. J. Zhao, M. Destefanis, J. S. Huang, C. X. Liu, J. C. Chen, Xuanhong Lou, Nasser Kalantar-Nayestanaki, Andrzej Kupsc, C. Morales Morales, Yue Pan, W. L. Yuan, M. L. Chen, R. E. Mitchell, J. J. Liang, G. F. Xu, S. Jin, Y. Guo, Bibo Ke, W. B. Yan, X. Y. Song, M. N. Achasov, K. Goetzen, W. Kuehn, S. Pacetti, Ke Li, Fang Liu, I. Denysenko, B. Y. Zhang, Xiangdong Ruan, Q. Liu, L. L. Ma, A. Amoroso, A. Dbeyssi, M. Kornicer, A. Julin, F. De Mori, X. Y. Zhou, X. F. Wang, Q. M. Ma, B. Kloss, X. Y. Niu, Y. Yuan, Y. S. Zhu, Q. J. Xu, D. J. Ambrose, W. C. Yan, X. N. Li, Haiping Peng, I. Garzia, Yu Zhang, Tao Luo, L. P. Zhou, B. X. Yu, Zhi Zeng, Z. P. Mao, A. Calcaterra, H. P. Cheng, J. Fang, Tao Li, M. Albrecht, W. D. Li, Ch. Rosner, H. Liang, H. L. Dai, Igor Boyko, H. X. Yang, I. B. Nikolaev, Ding-Xiong Wang, J. P. Liu, O. B. Kolcu, J. G. Messchendorp, J. P. Dai, M. Shi, I. Tapan, Y. H. Yan, J. W. Zhao, J. H. Liu, W. G. Li, X. M. Li, S. Spataro, X. P. Xu, Y. C. Zhu, Ke Wang, Lei Li, H. M. Liu, Yaquan Fang, H. Xiao, J. F. Hu, R. Baldini Ferroli, T. Held, K. Schoenning, B. S. Zou, G. F. Cao, R. Poling, P. F. Duan, Fenfen An, T. C. Zhao, A. Q. Guo, W. M. Song, Z. H. Qin, Shan Wang, Xiao-Rui Lyu, G. S. Varner, X. L. Ji, G. A. Chelkov, Talib Hussain, A. Yuncu, Y. G. Xie, S. X. Du, X. L. Gao, C. Dong, M. Greco, Joachim Pettersson, Yunlong Zhang, J. L. Zhang, Jianping Zheng, S. Zhu, J. J. Zhang, Z. Gao, and S. L. Niu

Subjects
Physics, Nuclear and High Energy Physics, Annihilation, Meson, 010308 nuclear & particles physics, Branching fraction, Cabibbo–Kobayashi–Maskawa matrix, Electron–positron annihilation, Hadron, Form factor (quantum field theory), Analytical chemistry, 01 natural sciences, Nuclear physics, 0103 physical sciences, CP violation, 010306 general physics
Abstract

Using 2.92 fb(-1) of electron-positron annihilation data collected at root s = 3.773 GeV with the BESIII detector, we obtain the first measurements of the absolute branching fraction B(D+ -> K(L)(0)e(+)nu(e)) = (4.481 +/- 0.027(stat) +/- 0.103(sys))% and the CP asymmetry A(CP)(D+-> KL0e+nu e) = (-0.59 +/- 0.60(stat) +/- 1.48(sys))%. From the D+ -> K(L)(0)e(+)nu(e) differential decay rate distribution, the product of the hadronic form factor and the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element, f(+)(K)(0)vertical bar V-cs vertical bar, is determined to be 0.728 +/- 0.006(stat) +/- 0.011(sys). Using vertical bar V-cs vertical bar from the SM constrained fit with the measured f(+)(K)(0)vertical bar V-cs vertical bar, f(+)(K)(0) = 0.748 +/- 0.007(stat) +/- 0.012(sys) is obtained, and utilizing the unquenched Lattice QCD (LQCD) calculation for f(+)(K)(0), vertical bar V-cs vertical bar = 0.975 +/- 0.008(stat) +/- 0.015(sys) +/- 0.025(LQCD).

Published
2015

32. Homology-based analysis of the GRAS gene family in tobacco

Author

Dao Wen Wang, W F Wang, T T Sun, Y H Sun, A M Ding, Y Q Chen, and S S Tai

Subjects
Sequence analysis, Amino Acid Motifs, Arabidopsis, Sequence alignment, Genes, Plant, Genome, Homology (biology), Evolution, Molecular, Gene Expression Regulation, Plant, Tobacco, Genetics, Gene family, Amino Acid Sequence, Molecular Biology, Gene, Phylogeny, Plant Proteins, Regulation of gene expression, biology, Gene Expression Profiling, General Medicine, biology.organism_classification, Protein Structure, Tertiary, Organ Specificity, Multigene Family, Sequence Alignment, Genome, Plant
Abstract

Members of the GRAS gene family are important transcriptional regulators. In this study, 21 GRAS genes were identified from tobacco, and were classified into eight subgroups according to the classification of Arabidopsis thaliana. Here, we provide a preliminary overview of this gene family in tobacco, describing the gene structure, gene expression, protein motif organization, phylogenetic analysis, and comparative analysis in tobacco, Arabidopsis, and rice. Using the sequences of 21 GRAS genes in Arabidopsis to search against the American tobacco genome database, 21 homologous GRAS genes in tobacco were identified. Sequence analysis indicates that these GRAS proteins have five conserved domains, which is consistent with their counterparts in other plants. Phylogenetic analyses divided the GRAS gene family into eight subgroups, each of which has distinct conserved domains and biological functions. Furthermore, the expression pattern of these 21 GRAS genes reveals that most are expressed in all six tissues studied; however, some have tissue specificity. Taken together, this comprehensive analysis will provide a rich resource to assist in the study of GRAS protein functions in tobacco.

Published
2015

33. Wireless biopotential acquisition system for portable healthcare monitoring

Author

Z.-C Wu, C.-F Wu, W.-F Wang, Wei-Song Wang, Hong Yi Huang, Shih-Chung Chen, and Ching-Hsing Luo

Subjects
Engineering, Electromyography, business.industry, Biomedical Engineering, Electroencephalography, General Medicine, Chip, Electrocardiography, User-Computer Interface, Power consumption, Electronic engineering, Humans, Wireless, business, Cmos process, Monitoring, Physiologic, Graphical user interface
Abstract

A complete biopotential acquisition system with an analogue front-end (AFE) chip is proposed for portable healthcare monitoring. A graphical user interface (GUI) is also implemented to display the extracted biopotential signals in real-time on a computer for patients or in a hospital via the internet for doctors. The AFE circuit defines the quality of the acquired biosignals. Thus, an AFE chip with low power consumption and a high common-mode rejection ratio (CMRR) was implemented in the TSMC 0.18-μm CMOS process. The measurement results show that the proposed AFE, with a core area of 0.1 mm(2), has a CMRR of 90 dB, and power consumption of 21.6 μW. Biopotential signals of electroencephalogram (EEG), electrocardiogram (ECG) and electromyogram (EMG) were measured to verify the proposed system. The board size of the proposed system is 6 cm × 2.5 cm and the weight is 30 g. The total power consumption of the proposed system is 66 mW.

Published
2011

34. Numerical Study of a Novel Built-In Energy-Absorbing Component for Adaptive Steering Columns

Author

C.-M. Fan, De-Shin Liu, S.-S. Yeh, C.-L. Hsieh, C. Y. Tu, and W.-F. Wang

Subjects
Engineering, business.industry, Mechanical Engineering, Aerospace Engineering, Poison control, Steering wheel, Structural engineering, Torso, Dissipation, Collision, Steering column, Finite element method, Vibration, medicine.anatomical_structure, medicine, business, Simulation
Abstract

The steering-wheel—steering-column assemblies fitted in automobiles must have a high energy absorption performance in order to minimize occupant chest injuries in the event of a collision. This paper proposes a novel built-in energy-absorbing (EA) component which causes the impact load transmitted to the occupant to vary in accordance with the crash severity and the occupant mass. A finite element (FE) model of the steering-column system is constructed on the basis of realistic product computer-aided design data, and a series of LS-DYNA simulations are performed to examine the dynamic responses of the steering wheel and steering column in body block impact tests performed using body blocks of different weights. The validity of the FE model is confirmed by comparing the numerical results for the torso force profile over the duration of the impact with the experimental results obtained in two standard body block tests. The validated model is then used to examine the energy absorption performance of the proposed EA device consisting of a hollow cylindrical tube patterned with an array of circular openings. The simulations focus specifically on the effects of the total hole-opening area, the cylinder thickness, and the cylinder material on the torso force profile over the duration of the impact. It is shown that, given an appropriate specification of the design parameters, the proposed EA device satisfies the peak load requirement specified in the FMVSS 203 standard and absorbs 163 J and 235 J of the impact kinetic energy for body block weights of 24 kgf and 34 kgf respectively.

Published
2010

35. RECENT RESULTS FROM BESII J/ψ DECAYS

Author

M. He, D. L. Shen, H. X. Yang, J. P. Liu, C. X. Liu, L. S. Wang, M. G. Zhao, J. P. Tian, W. G. Li, Han-Qing Zheng, Z.J. Guo, Qian Liu, Q. M. Ma, H. H. Liu, J. C. Li, B. X. Zhang, H. M. Hu, P. P. Zhao, H. M. Liu, P. Wang, X. M. Xia, Y. Yuan, Y. S. Zhu, Y. X. Yang, X. Y. Shen, L. L. Ma, Z. A. Liu, F. C. Ma, K. J. Zhu, J. Nie, J. C. Chen, X. Q. Li, X. T. Huang, M. Q. A. Malik, Y. Z. Sun, G. Rong, X. Wan, F. Lu, G. F. Xu, X. Tang, B. J. Liu, Yudan Wang, S. D. Gu, J. Fang, S. Jin, H. Y. Zhang, H. Qin, W. D. Li, Y. Ban, Z. P. Zheng, G. R. Lu, G. S. Huang, R. Y. Li, Z. A. Zhu, Y. S. Dai, C. S. Gao, J. Y. Zhang, Y. P. Chu, Z. X. Zhang, S. L. Zang, G. S. Varner, Cunfeng Wei, Jin Chen, J. F. Qiu, X. P. Xu, X. B. Ji, Xiaobo Zhu, Y. K. Heng, J. W. Zhao, Feng Liu, G. L. Tong, J. W. Zhang, Jinxing Zheng, C. P. Shen, Z.L. Zhu, C. Z. Yuan, G. W. Yu, X. Y. Zhang, Y. Weng, M. Ablikim, B. A. Zhuang, Huirun Chen, N. Wu, Y. N. Gao, S.L. Olsen, Z. G. Zhao, R. G. Liu, Y. F. Liang, X. D. Chen, J. B. Liu, D. P. Jin, Yu Bai, Z. J. Sun, X. H. Mo, D. H. Zhang, M. H. Ye, J. B. Jiao, Z. Y. Wang, Shang Lunlin, L. L. Wang, X. X. Xie, L. P. Zhou, Z. P. Mao, H. B. Li, C. L. Luo, Y. T. Gu, H. L. Ma, Y. C. Zhu, D. H. Wei, C. C. Zhang, B. Zhong, P. L. Wang, Z. Y. Deng, S. X. Du, F. A. Harris, M. L. Yan, Yanping Huang, Q. M. Zhu, H. S. Sun, X. N. Li, Y. N. Guo, H. S. Chen, Y. Zeng, J. G. Lu, T. Hu, XZ（蔡翔舟） Cai, X. L. Li, Lianyou Shan, Y. B. Chen, Y. Xu, Y. F. Lai, H. F. Chen, W. F. Wang, K. L. He, J. Z. Bai, Xichao Ruan, H. Y. Sheng, C. X. Yu, N. D. Qi, R. G. Ping, H. B. Liu, Y.Y. Zhang, S. S. Sun, J. Hou, Fang Liu, D. X. Zhao, C.D. Fu, B. Y. Zhang, X. S. Jiang, B.S. Zou, H. Q. Zhang, Hongbo Liao, Z. P. Zhang, Zujian Wang, Mingming Yang, Y. X. Ye, and S. Liu

Subjects
Physics, Baryon, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Excited state, High Energy Physics::Phenomenology, High Energy Physics::Experiment, Astronomy and Astrophysics, Lambda, Omega, Atomic and Molecular Physics, and Optics, Bar (unit)
Abstract

In this representation, some recent results from BESII J/psi decays have been represented, including the analysis of J/psi -> omega p (p) over bar which is helpful to understand the threshold enhancement structure founded in J/psi -> gamma p (p) over bar is from pure final states interference(FSI) or not and the analysis of J/psi -> pK (Lambda) over bar the enhancement based on it some discussion will be hold if the structure is same one as the baryon excited states N* found in J/psi -> p (p) over bar pi(0).

Published
2009

36. Measurements of the observed cross sections for e+e−→ exclusive light hadrons containing π0π0 at s=3.773, 3.650 and 3.6648 GeV

Author

Huirun Chen, L. L. Ma, J. Hou, Fang Liu, W. G. Li, S. D. Gu, G. F. Xu, S. Jin, J. G. Lu, Z. A. Liu, R. Y. Li, Y. Ban, Cunfeng Wei, T. Hu, X. H. Mo, L. S. Wang, D. X. Zhao, C.D. Fu, B. Y. Zhang, XZ（蔡翔舟） Cai, K. J. Zhu, J. Nie, H. L. Ma, J. W. Zhang, X. L. Li, J. B. Jiao, W. D. Li, M. H. Ye, M. G. Zhao, X. D. Chen, J. Z. Bai, P. Wang, X. Y. Shen, H. M. Liu, L. L. Wang, Shang Lunlin, S. X. Du, X. M. Xia, Lianyou Shan, J. P. Tian, M. L. Yan, Y. S. Dai, H. B. Liu, S. Liu, B. J. Liu, Yudan Wang, H. H. Liu, Y.Y. Zhang, C. S. Gao, G. R. Lu, Jinxing Zheng, H. S. Chen, Z. Y. Deng, J. C. Li, J. C. Chen, P. P. Zhao, J. W. Zhao, S. S. Sun, M. He, Z. A. Zhu, Xichao Ruan, Q. M. Ma, G. W. Yu, D. L. Shen, X. T. Huang, J. Fang, G. Rong, X. Wan, Xiaobo Zhu, B. X. Zhang, F. Lu, H. Y. Zhang, Q. M. Zhu, Han-Qing Zheng, H. Y. Sheng, C. X. Liu, Y. Yuan, Y. S. Zhu, G. S. Huang, Y. Xu, S. L. Zang, Y. N. Guo, J. Y. Zhang, C. X. Yu, Y. P. Chu, Y. X. Yang, N. D. Qi, X. P. Xu, X. B. Ji, Z. Y. Wang, H. S. Sun, H. M. Hu, X. N. Li, Y. K. Heng, B. Zheng, R. G. Ping, X. Tang, Y. T. Gu, Y. Zeng, J. P. Liu, L. P. Zhou, Z. P. Mao, H. X. Yang, Z. P. Zheng, H. Q. Zhang, Y. B. Chen, D. H. Wei, C. Z. Yuan, Y. Weng, K. L. He, Feng Liu, G. L. Tong, M. Ablikim, B. A. Zhuang, Y. F. Lai, H. F. Chen, W. F. Wang, Z. P. Zhang, Y. Z. Sun, N. Wu, F. C. Ma, Liangbin Li, X. Y. Zhang, Zujian Wang, R. G. Liu, J. B. Liu, Z. X. Zhang, J. F. Qiu, Z.L. Zhu, Y. C. Zhu, P. L. Wang, Yu Bai, Z. J. Sun, Y. N. Gao, B.S. Zou, H. B. Li, C. L. Luo, C. C. Zhang, B. Zhong, Yanping Huang, Y. F. Liang, D. P. Jin, D. H. Zhang, M. Q. A. Malik, Hongbo Liao, Mingming Yang, Y. X. Ye, X. S. Jiang, Jin Chen, X. X. Xie, X. Q. Li, and H. Qin

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Annihilation, Meson, Electron–positron annihilation, Hadron, Atomic physics
Abstract

By analyzing the data sets of 17.3 pb−1 taken at s = 3.773 GeV and of 6.5 pb−1 taken at s = 3.650 GeV with the BES-II detector at the BEPC collider, we measure the observed cross sections for the exclusive light hadron final states of K S 0 K − π + , K S 0 K − π + π 0 , K S 0 K − π + π + π − , K S 0 K − π + π + π − π 0 , K S 0 K − π + π + π + π − π − and K S 0 K − π + π 0 π 0 produced in e + e − annihilation at the two energy points. We set the upper limits on the observed cross sections and the branching fractions for ψ ( 3770 ) decay to these final states at 90% C.L.

Published
2008

37. Measurements of the line shapes of DD¯ production and the ratio of the production rates of D+D− and D0D¯0 in e+e− annihilation at ψ(3770) resonance

Author

Q. M. Zhu, M. Z. Wang, Qiyang Zhang, H. S. Sun, H. Y. Zhang, Huirun Chen, Z. Z. Du, P. Wang, Haiping Peng, Jin Chen, J. Y. Zhang, S. S. Fang, Bo Xin, S. D. Gu, X. H. Mo, L. S. Wang, M. H. Ye, Y. X. Yang, Han-Qing Zheng, W. D. Li, H. M. Hu, Yi Jin, Fang Liu, Y. K. Heng, Q. M. Ma, Y.L. Li, F. Lu, Yingchun Zhu, Feng Shi, Zheng Wang, Shang Lunlin, H. Y. Sheng, Z. Q. Tan, Y. Yuan, Y. S. Zhu, G. Li, L. Y. Dong, D. X. Zhao, B. Y. Zhang, J. W. Zhao, Y. Z. Sun, X.L. Li, Z. Y. Yi, G. W. Yu, Hangxu Li, N. D. Qi, J. H. Liu, Yang Tian, C. D. Fu, Z. Y. Deng, J. Nie, J. C. Chen, Z. J. Sun, J. B. Jiao, B. X. Zhang, C. Z. Yuan, Jiming Yang, X. X. Xie, Y. S. Dai, L. L. Ma, H. B. Li, Zhe Wang, Z. A. Liu, C. S. Gao, W. R. Zhao, F. Liu, L. P. Zhou, S. X. Du, X. Y. Shen, J. Fang, C. L. Luo, Jinxing Zheng, Houbing Lu, Xunchao Zhang, Y. N. Gao, M. L. Yan, Y. P. Chu, X. B. Ji, C. C. Zhang, P. P. Zhao, Z. P. Zheng, Y. Ban, Yudan Wang, Y. T. Gu, G. R. Lu, Y. Xu, Z. P. Mao, Y. F. Liang, D. P. Jin, Xiru Huang, G. L. Tong, Xingzhu Cui, M. G. Zhao, X. Tang, M. Ablikim, B. A. Zhuang, H. L. Ma, S. M. Li, Fan Yang, D. H. Zhang, S. P. Chi, Jianwei Sun, Z. A. Zhu, Z. Y. Wang, H. H. Liu, J. C. Li, D. H. Wei, K. J. Zhu, S. S. Sun, J. M. Yuan, J. G. Lu, X. T. Huang, X. M. Xia, X. B. Ma, W. G. Li, X. S. Jiang, Xuai Zhuang, G. Rong, D. Y. Wang, T. Hu, XZ（蔡翔舟） Cai, Yu Zeng, X. Y. Zhang, R. G. Liu, J. B. Liu, H. M. Liu, M. He, D. L. Shen, C. X. Liu, J. G. Bian, H. X. Yang, Lianyou Shan, S. L. Zang, J. P. Liu, Yiyun Zhang, G. F. Xu, Z. Y. Ren, S. Jin, Y. X. Ye, H.B. Liao, R. Y. Li, Cunfeng Wei, Q. F. Dong, Ning Zhou, J. W. Zhang, J. Z. Bai, F. C. Ma, J. F. Qiu, Y. C. Zhu, P. L. Wang, X. Shi, H. S. Chen, X. Q. Li, Z. P. Zhang, Zujian Wang, K. L. He, H. Qin, B.S. Zou, Z.Q. Zhang, N. Wu, Y. Zeng, Y. Q. Guo, Y. B. Chen, Y. F. Lai, H. F. Chen, W. F. Wang, and Y. N. Guo

Subjects
Physics, Nuclear and High Energy Physics, Annihilation, Electron–positron annihilation, Hadron, Yield ratio, Resonance, Atomic physics, Line (formation)
Abstract

We report measurements of the line shapes of D + D − , D 0 D ¯ 0 and D D ¯ production as well as the line shape of the ratio of the production rates of D + D − and D 0 D ¯ 0 in e + e − annihilation at ψ ( 3770 ) resonance. We find that the line shapes of D + D − , D 0 D ¯ 0 and D D ¯ production are similar to an anomalous line shape of cross sections for e + e − → hadrons observed in the center-of-mass energy range from 3.70 to 3.87 GeV.

Published
2008

38. Search for the rare decays J/ψ→Ds−π+, J/ψ→D−π+, and J/ψ→D¯0K¯0

Author

Dapeng Jin, H. S. Sun, J. H. Liu, J. W. Zhao, Y. F. Liang, W. R. Zhao, C. Z. Yuan, H. Y. Zhang, Q. F. Dong, M. G. Zhao, J. C. Chen, C. S. Gao, J. F. Qiu, G. F. Xu, Hui Liu, S. Jin, Shaojie Zhang, Z. G. Zhao, J. B. Liu, J. Hou, Y. S. Dai, T. Hu, Y. X. Yang, X. P. Xu, X. M. Xia, S. L. Zang, X. S. Jiang, J. Fang, J. Nie, Fang Liu, Y. P. Chu, C.D. Fu, H. X. Chen, Z.J. Guo, S.L. Olsen, Klaus Götzen, D. H. Zhang, X. X. Xie, M. Wang, D. L. Shen, Zhenyu Zhang, B. J. Liu, G. S. Huang, D. X. Zhao, K. J. Peters, K. L. He, Z. P. Zheng, X. D. Ruan, S. S. Fang, N. D. Qi, X. T. Huang, H. L. Ma, X. H. Mo, H. H. Liu, X. Y. Jiang, X. A. Zhuang, Y. K. Heng, Z. Wang, Y. Weng, M. L. Yan, Z. Y. Ren, D. H. Wei, Yin Xu, B. X. Zhang, R. G. Liu, L. Y. Diao, L. S. Wang, Jin Chen, F. A. Harris, Y. N. Guo, G. S. Varner, J. Li, S. S. Sun, Z. A. Zhu, X. Q. Li, C. P. Shen, M. He, G. L. Tong, Z. Y. Wang, S. M. Li, N. Wu, H.Q. Zheng, Y. B. Chen, H. Q. Zhang, Z. J. Sun, H. B. Liao, X. L. Li, Y. C. Lou, Y.N. Gao, J. G. Lu, Y. Zeng, H. S. Chen, L. L. Ma, F. C. Ma, Yongzhao Sun, H. M. Hu, C. L. Luo, S. D. Gu, Xiao Cai, Zheng Wang, G. R. Lu, L. Zhou, H. B. Li, S. X. Du, Y. C. Zhu, F. Liu, X. Tang, L. Z. Wang, Q. M. Zhu, G. Rong, J. Y. Zhang, M. H. Ye, H. F. Chen, W. F. Wang, Xiaomei Zhang, X. Y. Shen, Yiyun Zhang, J. B. Jiao, C. L. Wei, Y. X. Ye, X. B. Ji, L. Shang, J. P. Liu, Jian Liu, B. A. Zhuang, C. X. Liu, Y. Yuan, Q. M. Ma, P. Wang, Zhentao Zhang, R. G. Ping, W. D. Li, Z. A. Liu, G. Li, P. L. Wang, Y. Ban, Y. F. Wang, H. X. Yang, J. W. Zhang, Y. T. Gu, D. Y. Wang, G. W. Yu, Y. F. Lai, B. S. Zou, Xiao-yan Li, W. G. Li, M. Ablikim, R. Y. Li, L. L. Wang, Jun Hu, K. J. Zhu, J. Z. Bai, Z. P. Mao, H. Y. Sheng, F. Lu, P. P. Zhao, Zhang Bo, Qian Liu, H. Qin, L. Y. Shan, C. C. Zhang, J. P. Zheng, Z. Y. Deng, and Y. S. Zhu

Subjects
Physics, Nuclear and High Energy Physics, Electron–positron annihilation, Atomic physics
Abstract

Rare decay modes J / ψ → D s − π + + c.c. , J / ψ → D − π + + c.c. , and J / ψ → D ¯ 0 K ¯ 0 + c.c. are searched for using 5.77 × 10 7 J / ψ events collected with the BESII detector at the BEPC. No signal above background is observed. We present upper limits on the branching fractions of B ( J / ψ → D s − π + ) 1.3 × 10 −4 , B ( J / ψ → D − π + ) 7.5 × 10 −5 , and B ( J / ψ → D ¯ 0 K ¯ 0 ) 1.7 × 10 −4 at the 90% confidence level.

Published
2008

39. Determination of the ψ(3770), ψ(4040), ψ(4160) and ψ(4415) resonance parameters

Author

B. J. Liu, S. S. Fang, Z. Wang, M. Wang, S. L. Zang, H. Y. Sheng, X. S. Jiang, J. Nie, G. F. Xu, C.D. Fu, H. X. Chen, Shaojie Zhang, J. P. Zheng, X. P. Xu, X. M. Xia, Y. P. Chu, P. P. Zhao, H. L. Ma, Y. Weng, H. Q. Zhang, Z. J. Sun, Y. Xu, Z. A. Zhu, Y. Zeng, R. G. Liu, H. Qin, N. Wu, Dapeng Jin, Z. P. Zhang, J. W. Zhao, J. P. Liu, H. M. Hu, Jian Liu, W. R. Zhao, Z. Y. Ren, Q. M. Ma, S. Jin, Y. N. Guo, C. Z. Yuan, H. Y. Zhang, Q. F. Dong, H. B. Liao, J. G. Lu, B. A. Zhuang, Zhang Bo, C. C. Zhang, C. X. Liu, Yongzhao Sun, Hui Liu, C. S. Gao, Y. Yuan, D. L. Shen, G. Rong, H. F. Chen, N. D. Qi, Z. G. Zhao, J. F. Qiu, W. F. Wang, D. H. Wei, L. L. Ma, Fang Liu, Qian Liu, L. Y. Shan, Z. Y. Wang, Z. Y. Deng, Zheng Wang, X. T. Huang, Z.J. Guo, K. L. He, X. D. Ruan, X. A. Zhuang, Y. S. Zhu, L. S. Wang, Y. F. Wang, X. H. Mo, Jin Chen, F. A. Harris, B. X. Zhang, Z. X. Zhang, Y. B. Chen, J. C. Chen, Y. F. Lai, J. Fang, J. Li, S. S. Sun, S. X. Du, H. X. Yang, J. H. Liu, G. R. Lu, L. Zhou, H. B. Li, Y. N. Gao, J. Y. Zhang, J. W. Zhang, C. L. Luo, G. W. Yu, D. H. Zhang, S.L. Olsen, Xiao Cai, J. Hou, X. B. Ji, Q. M. Zhu, G. S. Huang, Y. X. Yang, F. C. Ma, Y. K. Heng, X. Y. Jiang, B. S. Zou, X. Y. Shen, Xiao-yan Li, Y. S. Dai, H. S. Sun, Y. F. Liang, S. M. Li, M. H. Ye, M. G. Zhao, X. Q. Li, X. X. Xie, H. S. Chen, D. X. Zhao, X. Tang, Han-Qing Zheng, Y. C. Zhu, F. Liu, M. L. Yan, C. L. Wei, L. Shang, L. Y. Diao, T. Hu, J. B. Liu, G. S. Varner, X. L. Li, Y. C. Lou, L. Z. Wang, M. He, G. L. Tong, J. B. Jiao, Xiaomei Zhang, Yiyun Zhang, S. D. Gu, Y. X. Ye, M. Ablikim, R. Y. Li, L. L. Wang, Jun Hu, K. J. Zhu, P. Wang, D. Y. Wang, W. G. Li, Z. P. Zheng, H. H. Liu, C. P. Shen, Z. A. Liu, G. Li, P. L. Wang, Y. Ban, Y. T. Gu, R. G. Ping, F. Lu, W. D. Li, J. Z. Bai, and Z. P. Mao

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Electron–positron annihilation, Radiative transfer, High mass, Resonance, High Energy Physics::Experiment, Electron
Abstract

R values measured with the BESII detector at center-of-mass energies between 3.7 and 5.0 GeV are fitted to determine resonance parameters (mass, total width, electron width) of the high mass charmonium states, ψ ( 3770 ) , ψ ( 4040 ) , ψ ( 4160 ) and ψ ( 4415 ) . Various effects, including the interferences and relative phases between the resonances, the energy-dependence of the full widths, and the initial state radiative correction, are examined. The results are compared to previous studies.

Published
2008

40. First observation of J/ψ and ψ(2S) decaying to nKS0Λ¯+c.c

Author

X. P. Xu, H. Y. Sheng, X. M. Xia, C. C. Zhang, Y. P. Chu, C. L. Luo, Xiao Cai, Z. Y. Deng, P. P. Zhao, H. Qin, Y. S. Zhu, C. S. Gao, Z. Y. Wang, J. F. Qiu, T. Hu, X. X. Xie, Y. X. Yang, S. Jin, H. Q. Zhang, Z. J. Sun, Y. C. Zhu, F. Liu, H. L. Ma, Klaus Götzen, J. Z. Bai, Y. Zeng, Y. Weng, Dapeng Jin, Z. P. Zhang, Zhang Bo, Shaojie Zhang, J. P. Zheng, D. X. Zhao, K. J. Peters, H. X. Yang, J. W. Zhang, M. Ablikim, G. W. Yu, Z. Y. Ren, X. A. Zhuang, M. Wang, M. L. Yan, L. Y. Diao, M. He, G. L. Tong, Y. Xu, Z. A. Zhu, X. Y. Jiang, R. Y. Li, J. Fang, B. S. Zou, Z. P. Zheng, H. B. Liao, Xiao-yan Li, L. Z. Wang, Xiaomei Zhang, Y. N. Guo, Yiyun Zhang, N. Wu, X. L. Li, H. H. Liu, Y. C. Lou, J. G. Lu, S. D. Gu, Jin Chen, F. A. Harris, J. P. Liu, Z. P. Mao, Z. G. Zhao, X. H. Mo, B. X. Zhang, Z. X. Zhang, Jian Liu, Yongzhao Sun, J. Hou, Y. X. Ye, L. L. Ma, L. L. Wang, D. L. Shen, Qian Liu, S. L. Zang, J. B. Jiao, C. P. Shen, X. S. Jiang, L. S. Wang, R. G. Ping, S. X. Du, J. Nie, Zheng Wang, Q. M. Ma, L. Y. Shan, S.L. Olsen, N. D. Qi, D. H. Wei, F. Lu, C.D. Fu, X. Y. Shen, Y. N. Gao, G. F. Xu, J. Y. Zhang, J. H. Liu, Fang Liu, H. X. Chen, Y. F. Wang, X. T. Huang, W. D. Li, Y. F. Lai, Z. A. Liu, G. Li, X. B. Ji, G. R. Lu, L. Zhou, H. B. Li, R. G. Liu, J. B. Liu, P. Wang, P. L. Wang, Y. Ban, J. Li, H. S. Sun, B. J. Liu, Q. M. Zhu, D. Y. Wang, S. S. Fang, Y. T. Gu, H. M. Hu, Y. S. Dai, G. S. Varner, Z. Wang, W. G. Li, Y. F. Liang, J. C. Chen, G. Rong, H. F. Chen, Jun Hu, W. F. Wang, K. J. Zhu, Han-Qing Zheng, C. L. Wei, L. Shang, M. G. Zhao, D. H. Zhang, Y. B. Chen, S. M. Li, H. S. Chen, X. Tang, S. S. Sun, B. A. Zhuang, C. X. Liu, Y. Yuan, F. C. Ma, M. H. Ye, J. W. Zhao, W. R. Zhao, C. Z. Yuan, H. Y. Zhang, Q. F. Dong, Hui Liu, K. L. He, X. D. Ruan, Z.J. Guo, G. S. Huang, Y. K. Heng, and X. Q. Li

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, law, Branching fraction, Perturbative QCD, Limit (mathematics), Atomic physics, Collider, law.invention
Abstract

The decays of J / ψ and ψ ( 2 S ) to n K S 0 Λ ¯ + c.c. are observed and measured for the first time, and the perturbative QCD “12%” rule is tested, based on 5.8 × 10 7 J / ψ and 1.4 × 10 7 ψ ( 2 S ) events collected with BESII detector at the Beijing Electron–Positron Collider. No obvious enhancement near n Λ ¯ threshold in J / ψ → n K S 0 Λ ¯ + c.c. is observed, and the upper limit on the branching ratio of J / ψ → K S 0 X , X → n Λ ¯ is determined.

Published
2008

41. Precision measurements of the mass, the widths of ψ(3770) resonance and the cross section σ[e+e−→ψ(3770)] at Ecm=3.7724 GeV

Author

Z. P. Zheng, R. Y. Li, F. Lu, Xiru Huang, Y. C. Zhu, G. L. Tong, Y. Z. Sun, M. Ablikim, B. A. Zhuang, Cunfeng Wei, P. L. Wang, Q. F. Dong, Jianwei Sun, Ning Zhou, J. W. Zhang, Z. P. Zhang, Y. Zeng, Y. Q. Guo, H. B. Li, K. L. He, H. S. Chen, Jiming Yang, L. Y. Dong, Zujian Wang, Y. B. Chen, X. Q. Li, C. L. Luo, Houbing Lu, Yin Xu, S. D. Gu, Yudan Wang, G. R. Lu, Yingchun Zhu, C. C. Zhang, Y. F. Lai, H. F. Chen, Z. A. Zhu, H. Qin, J. W. Zhao, Z. Y. Yi, W. R. Zhao, F. Liu, Y. N. Guo, Yi Jin, W. F. Wang, F. C. Ma, G. W. Yu, C. Z. Yuan, Fang Liu, Y. N. Gao, Feng Shi, L. P. Zhou, Y. T. Gu, D. X. Zhao, B. Y. Zhang, Hangxu Li, J. H. Liu, Xunchao Zhang, X. Tang, Zhe Wang, X. Shi, Z. P. Mao, X. X. Xie, P. P. Zhao, H. H. Liu, Xingzhu Cui, J. Nie, J. C. Li, J. F. Qiu, J. B. Jiao, B. X. Zhang, D. H. Wei, X. S. Jiang, Q. M. Ma, B.S. Zou, Z.Q. Zhang, Y. S. Dai, C. S. Gao, H. L. Ma, S. M. Li, Fan Yang, Huirun Chen, X. T. Huang, G. Rong, S. S. Sun, Y. Yuan, X. Y. Shen, Jinxing Zheng, Y. S. Zhu, Jin Chen, X. H. Mo, L. S. Wang, Bo Xin, M. G. Zhao, Q. M. Zhu, Yang Tian, S. L. Zang, M. H. Ye, J. G. Bian, S. S. Fang, X. Y. Zhang, M. Z. Wang, R. G. Liu, N. Wu, H. Y. Zhang, J. B. Liu, Qiyang Zhang, Z. J. Sun, H. S. Sun, W. D. Li, S. X. Du, H. M. Hu, M. L. Yan, Haiping Peng, Z. Y. Wang, H.B. Liao, X. B. Ma, Xuai Zhuang, J. Y. Zhang, Y. K. Heng, Zheng Wang, J. G. Lu, P. Wang, T. Hu, J. C. Chen, XZ（蔡翔舟） Cai, Yu Zeng, J. Fang, Lianyou Shan, W. G. Li, D. Y. Wang, H. M. Liu, H. X. Yang, J. P. Liu, Z. Y. Ren, Yiyun Zhang, Y. X. Ye, X. M. Xia, G. F. Xu, S. Jin, Z. Z. Du, S. P. Chi, M. He, D. L. Shen, H. Y. Sheng, Z. Q. Tan, K. J. Zhu, J. M. Yuan, C. X. Liu, N. D. Qi, L. L. Ma, Y.L. Li, Z. A. Liu, Y. Ban, Shang Lunlin, J. Z. Bai, G. Li, X.L. Li, C. D. Fu, Z. Y. Deng, Y. P. Chu, X. B. Ji, H.Q. Zheng, Y. F. Liang, D. P. Jin, D. H. Zhang, and Y. X. Yang

Subjects
Physics, Nuclear and High Energy Physics, Branching fraction, Electron–positron annihilation, Hadron, Atomic physics
Abstract

By analyzing the R values measured at 68 energy points in the energy region between 3.650 and 3.872 GeV reported in our previous paper, we have precisely measured the mass, the total width and the leptonic width of the ψ ( 3770 ) resonance to be M ψ ( 3770 ) = 3772.4 ± 0.4 ± 0.3 MeV , Γ ψ ( 3770 ) tot = 28.5 ± 1.2 ± 0.2 MeV and Γ ψ ( 3770 ) e e = 277 ± 11 ± 13 eV , respectively. We have measured the leptonic branching fraction of the ψ ( 3770 ) decays and the ψ ( 3770 ) production cross section at its peak to be B [ ψ ( 3770 ) → e + e − ] = ( 0.97 ± 0.03 ± 0.05 ) × 10 −5 and σ prd [ e + e − → ψ ( 3770 ) ] = 10.0 ± 0.3 ± 0.5 nb , respectively. The latter one results in the corresponding observed cross section of σ obs [ e + e − → ψ ( 3770 ) ] = 7.2 ± 0.2 ± 0.4 nb . We have also measured R uds = 2.121 ± 0.023 ± 0.084 for the continuum light hadron production in the region from 3.650 to 3.872 GeV.

Published
2007

42. Energy transfer of aromatic amino acids in photosystem 2 core antenna complexes CP43 and CP47

Author

W.-F. Wang, T. Y. Kuang, L. Li, Yuanggang Qu, and Xiaochun Qin

Subjects
chemistry.chemical_compound, Absorption spectroscopy, Photosystem II, Physiology, Chemistry, Aromatic amino acids, Molecule, Plant Science, Emission spectrum, Crystal structure, Photochemistry, Fluorescence, Fluorescence spectroscopy
Abstract

Energy transfer of aromatic amino acids in photosystem 2 (PS2) core antenna complexes CP43 and CP47 was studied using absorption spectroscopy, fluorescence spectroscopy, and the 0.35 nm crystal structure of PS2 core complex. The energy of tyrosines (Tyrs) was not effectively transferred to tryptophans (Trps) in CP43 and CP47. The fluorescence emission spectrum of CP43 and CP47 by excitation at 280 nm should be a superposition of the Tyr and Trp fluorescence emission spectra. The aromatic amino acids in CP43 and CP47 could transfer their energy to chlorophyll (Chl) a molecules by the Dexter mechanism and the Foster mechanism, and the energy transfer efficiency in CP47 was much higher than that in CP43. In CP47 the Foster mechanism must be the dominant energy transfer mechanism between aromatic amino acids and Chl a molecules, whereas in CP43 the Dexter mechanism must be the dominant one. Hence solar ultraviolet radiation brings not only damages but also benefits to plants.

Published
2007

43. Effect of ice nucleation-active bacteria on the physiology and ultrastructure of apricot floral organs

Author

J. M. Yang, T. C. Zhao, Shaohua Li, F. Z. Sun, W. X. Peng, W. F. Wang, Q. R. Meng, and Y. Q. Liang

Subjects
Gynoecium, Stamen, food and beverages, Horticulture, Biology, biology.organism_classification, medicine.disease_cause, Prunus armeniaca, Pollen, Botany, Genetics, Ultrastructure, medicine, Pseudomonas syringae, Petal, Bacteria
Abstract

SummaryThe effects of the ice nucleation-active (INA) bacterium Pseudomonas syringae were studied on the physiological response and ultrastructure of the floral organs of ‘Longwangmao’ apricot (Prunus armeniaca Linn.). Inoculation with INA bacteria increased the super-cooling point (SCP) of petals, stamens, and pistils by 2.1oC, 1.6oC, and 1.4oC respectively. INA bacteria also enhanced the relative electrolyte leakage (REL) of membranes in the floral organs, indicating that INA bacteria increased the permeability of membranes. INA bacteria enabled apricot floral organs to maintain relatively lower superoxide dismutase (SOD) and peroxidase (POD) activities, and led to an accumulation of malonyldialdehyde (MDA) under cold stress. The ultrastructures of pollen walls, organelles in the pollen cell, ovules and egg cells in control flowers which were subjected to –3oC changed slightly, compared with the structures at 18oC. However, under cold stress at –3oC, inoculation with INA bacteria resulted in disintegrat...

Published
2007

44. Measurement of D^{0}-D[over ¯]^{0} mixing and CP violation in two-body D^{0} decays

Author

J. P. Lees, V. Poireau, V. Tisserand, J. Garra Tico, E. Grauges, A. Palano, G. Eigen, B. Stugu, D. N. Brown, L. T. Kerth, Y.u. G. Kolomensky, G. Lynch, H. Koch, T. Schroeder, D. J. Asgeirsson, C. Hearty, T. S. Mattison, J. A. McKenna, R. Y. So, A. Khan, V. E. Blinov, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Y.u. I. Skovpen, E. P. Solodov, K. Y.u. Todyshev, A. N. Yushkov, M. Bondioli, D. Kirkby, A. J. Lankford, M. Mandelkern, H. Atmacan, J. W. Gary, F. Liu, O. Long, G. M. Vitug, C. Campagnari, T. M. Hong, D. Kovalskyi, J. D. Richman, C. A. West, A. M. Eisner, J. Kroseberg, W. S. Lockman, A. J. Martinez, B. A. Schumm, A. Seiden, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, P. Ongmongkolkul, F. C. Porter, A. Y. Rakitin, R. Andreassen, Z. Huard, B. T. Meadows, M. D. Sokoloff, L. Sun, P. C. Bloom, W. T. Ford, A. Gaz, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, B. Spaan, K. R. Schubert, R. Schwierz, D. Bernard, M. Verderi, P. J. Clark, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, M. Munerato, L. Piemontese, V. Santoro, R. Baldini Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, C. L. Lee, M. Morii, A. J. Edwards, A. Adametz, U. Uwer, H. M. Lacker, T. Lueck, P. D. Dauncey, U. Mallik, C. Chen, J. Cochran, W. T. Meyer, S. Prell, A. E. Rubin, A. V. Gritsan, Z. J. Guo, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A. M. Lutz, B. Malaescu, P. Roudeau, M. H. Schune, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, C. A. Chavez, J. P. Coleman, J. R. Fry, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, M. Sigamani, G. Cowan, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, R. J. Barlow, G. Jackson, G. D. Lafferty, E. Behn, R. Cenci, B. Hamilton, A. Jawahery, D. A. Roberts, C. Dallapiccola, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, D. Lindemann, P. M. Patel, S. H. Robertson, P. Biassoni, N. Neri, F. Palombo, S. Stracka, L. Cremaldi, R. Godang, R. Kroeger, P. Sonnek, D. J. Summers, X. Nguyen, M. Simard, P. Taras, G. De Nardo, D. Monorchio, G. Onorato, C. Sciacca, M. Martinelli, G. Raven, C. P. Jessop, J. M. LoSecco, W. F. Wang, K. Honscheid, R. Kass, J. Brau, R. Frey, N. B. Sinev, D. Strom, E. Torrence, E. Feltresi, N. Gagliardi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben Haim, M. Bomben, G. R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, O. Hamon, P.h. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J. J. Walsh, D. Lopes Pegna, J. Olsen, A. J. S. Smith, A. V. Telnov, F. Anulli, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, M. A. Mazzoni, G. Piredda, C. Bünger, O. Grünberg, T. Hartmann, T. Leddig, H. Schröder, C. Voss, R. Waldi, T. Adye, E. O. Olaiya, F. F. Wilson, S. Emery, G. Hamel de Monchenault, G. Vasseur, C.h. Yèche, D. Aston, D. J. Bard, R. Bartoldus, J. F. Benitez, C. Cartaro, M. R. Convery, J. Dorfan, G. P. Dubois Felsmann, W. Dunwoodie, M. Ebert, R. C. Field, M. Franco Sevilla, B. G. Fulsom, A. M. Gabareen, M. T. Graham, P. Grenier, C. Hast, W. R. Innes, M. H. Kelsey, P. Kim, M. L. Kocian, D. W. G. S. Leith, P. Lewis, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, D. R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, A. Snyder, D. Su, M. K. Sullivan, J. Va’vra, A. P. Wagner, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, C. C. Young, V. Ziegler, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, A. Randle Conde, S. J. Sekula, M. Bellis, P. R. Burchat, T. S. Miyashita, E. M. T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, P. Lund, S. M. Spanier, J. L. Ritchie, A. M. Ruland, R. F. Schwitters, B. C. Wray, J. M. Izen, X. C. Lou, F. Bianchi, D. Gamba, S. Zambito, F. Martinez Vidal, A. Oyanguren, H. Ahmed, J. Albert, S.w. Banerjee, F. U. Bernlochner, H. H. F. Choi, G. J. King, R. Kowalewski, M. J. Lewczuk, I. M. Nugent, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, H. R. Band, S. Dasu, Y. Pan, R. Prepost, S. L. Wu, LANCERI, LIVIO, VITALE, LORENZO, J. P., Lee, V., Poireau, V., Tisserand, J., Garra Tico, E., Grauge, A., Palano, G., Eigen, B., Stugu, D. N., Brown, L. T., Kerth, Kolomensky, Y. u. G., G., Lynch, H., Koch, T., Schroeder, D. J., Asgeirsson, C., Hearty, T. S., Mattison, J. A., Mckenna, R. Y., So, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Skovpen, Y. u. I., E. P., Solodov, Todyshev, K. Y. u., A. N., Yushkov, M., Bondioli, D., Kirkby, A. J., Lankford, M., Mandelkern, H., Atmacan, J. W., Gary, F., Liu, O., Long, G. M., Vitug, C., Campagnari, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, J., Kroseberg, W. S., Lockman, A. J., Martinez, B. A., Schumm, A., Seiden, D. S., Chao, C. H., Cheng, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, A. Y., Rakitin, R., Andreassen, Z., Huard, B. T., Meadow, M. D., Sokoloff, L., Sun, P. C., Bloom, W. T., Ford, A., Gaz, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, K. R., Schubert, R., Schwierz, D., Bernard, M., Verderi, P. J., Clark, S., Playfer, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, M., Munerato, L., Piemontese, V., Santoro, R., Baldini Ferroli, A., Calcaterra, R., de Sangro, G., Finocchiaro, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M., Lo Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, C. L., Lee, M., Morii, A. J., Edward, A., Adametz, U., Uwer, H. M., Lacker, T., Lueck, P. D., Dauncey, U., Mallik, C., Chen, J., Cochran, W. T., Meyer, S., Prell, A. E., Rubin, A. V., Gritsan, Z. J., Guo, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F., Le Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, M. H., Schune, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, C. A., Chavez, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F., Di Lodovico, R., Sacco, M., Sigamani, G., Cowan, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, K., Griessinger, A., Hafner, E., Prencipe, R. J., Barlow, G., Jackson, G. D., Lafferty, E., Behn, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, C., Dallapiccola, R., Cowan, D., Dujmic, G., Sciolla, R., Cheaib, D., Lindemann, P. M., Patel, S. H., Robertson, P., Biassoni, N., Neri, F., Palombo, S., Stracka, L., Cremaldi, R., Godang, R., Kroeger, P., Sonnek, D. J., Summer, X., Nguyen, M., Simard, P., Tara, G., De Nardo, D., Monorchio, G., Onorato, C., Sciacca, M., Martinelli, G., Raven, C. P., Jessop, J. M., Losecco, W. F., Wang, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, N., Gagliardi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, G., Simi, F., Simonetto, R., Stroili, S., Akar, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, O., Hamon, Leruste, P. h., G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, S., Pacetti, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, A., Lusiani, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D., Lopes Pegna, J., Olsen, A. J. S., Smith, A. V., Telnov, F., Anulli, R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L., Li Gioi, M. A., Mazzoni, G., Piredda, C., Bünger, O., Grünberg, T., Hartmann, T., Leddig, H., Schröder, C., Vo, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G., Hamel de Monchenault, G., Vasseur, Yèche, C. h., D., Aston, D. J., Bard, R., Bartoldu, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, M., Ebert, R. C., Field, M., Franco Sevilla, B. G., Fulsom, A. M., Gabareen, M. T., Graham, P., Grenier, C., Hast, W. R., Inne, M. H., Kelsey, P., Kim, M. L., Kocian, D. W. G. S., Leith, P., Lewi, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va’Vra, A. P., Wagner, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, C. C., Young, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, E. M. T., Puccio, M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, P., Lund, S. M., Spanier, J. L., Ritchie, A. M., Ruland, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, D., Gamba, S., Zambito, Lanceri, Livio, Vitale, Lorenzo, F., Martinez Vidal, A., Oyanguren, H., Ahmed, J., Albert, Banerjee, S. w., F. U., Bernlochner, H. H. F., Choi, G. J., King, R., Kowalewski, M. J., Lewczuk, I. M., Nugent, J. M., Roney, R. J., Sobie, N., Tasneem, T. J., Gershon, P. F., Harrison, T. E., Latham, H. R., Band, S., Dasu, Y., Pan, R., Prepost, and S. L., Wu

Subjects
Decays of charmed meson, Decays of charmed mesons, Charge conjugation parity time reversal and other discrete symmetries, Quark and lepton masses and mixing, Charge conjugation parity time reversal and other discrete symmetrie
Abstract

We present a measurement of D-0-(D) over bar (0) mixing and CP violation using the ratio of lifetimes simultaneously extracted from a sample of D-0 mesons produced through the flavor-tagged process D*(+) -> D-0 pi(+), where D-0 decays to K+pi(+/-), K-K+, or pi(-)pi(+), along with the untagged decays D-0 -> K+pi(+/-) and D-0 -> K-K+. The lifetimes of the CP-even, Cabibbo-suppressed modes K-K+ and pi(-)pi(+) are compared to that of the CP-mixed mode K+pi(+/-) in order to measure y(CP) and Delta Y. We obtain y(CP) = [0.72 +/- 0.18(stat) +/- 0.12(syst)]% and Delta Y = [0.09 +/- 0.26(stat) +/- 0.06(syst)]%, where Delta Y constrains possible CP violation. The y(CP) result excludes the null mixing hypothesis at 3.3 sigma significance. This analysis is based on an integrated luminosity of 468 fb(-1) collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) collider.

Published
2013

45. Measurement of the mass of the D^{0} meson

Author

J. P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, D. N. Brown, L. T. Kerth, Yu. G. Kolomensky, M. J. Lee, G. Lynch, H. Koch, T. Schroeder, C. Hearty, T. S. Mattison, J. A. McKenna, R. Y. So, A. Khan, V. E. Blinov, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Yu. I. Skovpen, E. P. Solodov, K. Yu. Todyshev, A. N. Yushkov, D. Kirkby, A. J. Lankford, M. Mandelkern, B. Dey, J. W. Gary, O. Long, G. M. Vitug, C. Campagnari, M. Franco Sevilla, T. M. Hong, D. Kovalskyi, J. D. Richman, C. A. West, A. M. Eisner, W. S. Lockman, B. A. Schumm, A. Seiden, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, P. Ongmongkolkul, F. C. Porter, R. Andreassen, Z. Huard, B. T. Meadows, C. Pappenheimer, B. G. Pushpawela, M. D. Sokoloff, L. Sun, P. C. Bloom, W. T. Ford, A. Gaz, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, B. Spaan, R. Schwierz, D. Bernard, M. Verderi, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, L. Piemontese, V. Santoro, R. Baldini-Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, M. Morii, A. Adametz, U. Uwer, H. M. Lacker, P. D. Dauncey, U. Mallik, C. Chen, J. Cochran, W. T. Meyer, S. Prell, A. V. Gritsan, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A. M. Lutz, B. Malaescu, P. Roudeau, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, J. R. Fry, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, J. Bougher, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, K. R. Schubert, R. J. Barlow, G. D. Lafferty, E. Behn, R. Cenci, B. Hamilton, A. Jawahery, D. A. Roberts, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, P. M. Patel, S. H. Robertson, P. Biassoni, N. Neri, F. Palombo, L. Cremaldi, R. Godang, P. Sonnek, D. J. Summers, M. Simard, P. Taras, G. De Nardo, D. Monorchio, G. Onorato, C. Sciacca, M. Martinelli, G. Raven, C. P. Jessop, J. M. LoSecco, K. Honscheid, R. Kass, J. Brau, R. Frey, N. B. Sinev, D. Strom, E. Torrence, E. Feltresi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben-Haim, M. Bomben, G. R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, Ph. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J. J. Walsh, D. Lopes Pegna, J. Olsen, A. J. S. Smith, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, G. Piredda, C. Bünger, O. Grünberg, T. Hartmann, T. Leddig, C. Voß, R. Waldi, T. Adye, E. O. Olaiya, F. F. Wilson, S. Emery, G. Hamel de Monchenault, G. Vasseur, Ch. Yèche, F. Anulli, D. Aston, D. J. Bard, J. F. Benitez, C. Cartaro, M. R. Convery, J. Dorfan, G. P. Dubois-Felsmann, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, A. M. Gabareen, M. T. Graham, C. Hast, W. R. Innes, P. Kim, M. L. Kocian, D. W. G. S. Leith, P. Lewis, D. Lindemann, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, D. R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, A. Snyder, D. Su, M. K. Sullivan, J. Va’vra, A. P. Wagner, W. F. Wang, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, V. Ziegler, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, A. Randle-Conde, S. J. Sekula, M. Bellis, P. R. Burchat, T. S. Miyashita, E. M. T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, A. M. Ruland, R. F. Schwitters, B. C. Wray, J. M. Izen, X. C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, S. Zambito, L. Lanceri, L. Vitale, F. Martinez-Vidal, A. Oyanguren, P. Villanueva-Perez, H. Ahmed, J. Albert, Sw. Banerjee, F. U. Bernlochner, H. H. F. Choi, G. J. King, R. Kowalewski, M. J. Lewczuk, T. Lueck, I. M. Nugent, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, H. R. Band, S. Dasu, Y. Pan, R. Prepost, S. L. Wu, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, BABAR, Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Department of Energy (US), Natural Sciences and Engineering Research Council of Canada, Institut National de Physique Nucléaire et de Physique des Particules (France), German Research Foundation, Istituto Nazionale di Fisica Nucleare, Foundation for Fundamental Research on Matter, Research Council of Norway, Ministry of Education and Science of the Russian Federation, Ministerio de Ciencia e Innovación (España), Science and Technology Facilities Council (UK), Women in Science and Engineering (UK), Alfred P. Sloan Foundation, Federal Ministry of Education and Research (Germany), Commissariat à l'Ènergie Atomique et aux Ènergies Alternatives (France), National Science Foundation (US), J. P., Lee, V., Poireau, V., Tisserand, E., Grauge, A., Palano, G., Eigen, B., Stugu, D. N., Brown, L. T., Kerth, Kolomensky, Y. u. G., M. J., Lee, G., Lynch, H., Koch, T., Schroeder, C., Hearty, T. S., Mattison, J. A., Mckenna, R. Y., So, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Skovpen, Y. u. I., E. P., Solodov, Todyshev, K. Y. u., A. N., Yushkov, D., Kirkby, A. J., Lankford, M., Mandelkern, B., Dey, J. W., Gary, O., Long, G. M., Vitug, C., Campagnari, M., Franco Sevilla, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, W. S., Lockman, B. A., Schumm, A., Seiden, D. S., Chao, C. H., Cheng, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, R., Andreassen, Z., Huard, B. T., Meadow, C., Pappenheimer, B. G., Pushpawela, M. D., Sokoloff, L., Sun, P. C., Bloom, W. T., Ford, A., Gaz, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, R., Schwierz, D., Bernard, M., Verderi, S., Playfer, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, L., Piemontese, V., Santoro, R., Baldini Ferroli, A., Calcaterra, R., de Sangro, G., Finocchiaro, S., Martellotti, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M., Lo Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, M., Morii, A., Adametz, U., Uwer, H. M., Lacker, P. D., Dauncey, U., Mallik, C., Chen, J., Cochran, W. T., Meyer, S., Prell, A. V., Gritsan, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F., Le Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F., Di Lodovico, R., Sacco, G., Cowan, J., Bougher, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, K., Griessinger, A., Hafner, E., Prencipe, K. R., Schubert, R. J., Barlow, G. D., Lafferty, E., Behn, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, R., Cowan, D., Dujmic, G., Sciolla, R., Cheaib, P. M., Patel, S. H., Robertson, P., Biassoni, N., Neri, F., Palombo, L., Cremaldi, R., Godang, P., Sonnek, D. J., Summer, M., Simard, P., Tara, DE NARDO, Guglielmo, D., Monorchio, G., Onorato, Sciacca, Crisostomo, M., Martinelli, G., Raven, C. P., Jessop, J. M., Losecco, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, G., Simi, F., Simonetto, R., Stroili, S., Akar, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, Leruste, P. h., G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, S., Pacetti, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, A., Lusiani, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D., Lopes Pegna, J., Olsen, A. J. S., Smith, R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L., Li Gioi, G., Piredda, C., B?nger, O., Gr?nberg, T., Hartmann, T., Leddig, C., Vo?, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G., Hamel de Monchenault, G., Vasseur, Y?che, C. h., F., Anulli, D., Aston, D. J., Bard, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, M., Ebert, R. C., Field, B. G., Fulsom, A. M., Gabareen, M. T., Graham, C., Hast, W. R., Inne, P., Kim, M. L., Kocian, D. W. G. S., Leith, P., Lewi, D., Lindemann, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va?vra, A. P., Wagner, W. F., Wang, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, E. M. T., Puccio, M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, S. M., Spanier, J. L., Ritchie, A. M., Ruland, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, F., De Mori, A., Filippi, D., Gamba, S., Zambito, L., Lanceri, L., Vitale, F., Martinez Vidal, A., Oyanguren, P., Villanueva Perez, H., Ahmed, J., Albert, Banerjee, S. w., F. U., Bernlochner, H. H. F., Choi, G. J., King, R., Kowalewski, M. J., Lewczuk, T., Lueck, I. M., Nugent, J. M., Roney, R. J., Sobie, N., Tasneem, T. J., Gershon, P. F., Harrison, T. E., Latham, H. R., Band, S., Dasu, Y., Pan, R., Prepost, S. L., Wu, Universitat de Barcelona, Y. G., Kolomensky, Y. I., Skovpen, K. Y., Todyshev, M. F., Sevilla, R. d., Sangro, M. L., Vetere, F. L., Diberder, F. D., Lodovico, G. D., Nardo, C., Sciacca, P., Leruste, Lusiani, Alberto, D. L., Pegna, A. J., S., L. L., Gioi, C., Buenger, O., Gruenberg, C., Vo, G. H., De, C., Yeche, D. W., G., J., Va'Vra, E. M., T., F. D., Mori, S., Banerjee, H. H., F., Lees, J. P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Stugu, B., Brown, D. N., Kerth, L. T., Kolomensky, Yu. G., Lee, M. J., Lynch, G., Koch, H., Schroeder, T., Hearty, C., Mattison, T. S., Mckenna, J. A., So, R. Y., Khan, A., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Yu. I., Solodov, E. P., Todyshev, K. Yu., Yushkov, A. N., Kirkby, D., Lankford, A. J., Mandelkern, M., Dey, B., Gary, J. W., Long, O., Vitug, G. M., Campagnari, C., Sevilla, M. Franco, Hong, T. M., Kovalskyi, D., Richman, J. D., West, C. A., Eisner, A. M., Lockman, W. S., Schumm, B. A., Seiden, A., Chao, D. S., Cheng, C. H., Echenard, B., Flood, K. T., Hitlin, D. G., Ongmongkolkul, P., Porter, F. C., Andreassen, R., Huard, Z., Meadows, B. T., Pappenheimer, C., Pushpawela, B. G., Sokoloff, M. D., Sun, L., Bloom, P. C., Ford, W. T., Gaz, A., Nauenberg, U., Smith, J. G., Wagner, S. R., Ayad, R., Toki, W. H., Spaan, B., Schwierz, R., Bernard, D., Verderi, M., Playfer, S., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Fioravanti, E., Garzia, I., Luppi, E., Piemontese, L., Santoro, V., Baldini-Ferroli, R., Calcaterra, A., de Sangro, R., Finocchiaro, G., Martellotti, S., Patteri, P., Peruzzi, I. M., Piccolo, M., Rama, M., Zallo, A., Contri, R., Guido, E., Lo Vetere, M., Monge, M. R., Passaggio, S., Patrignani, C., Robutti, E., Bhuyan, B., Prasad, V., Morii, M., Adametz, A., Uwer, U., Lacker, H. M., Dauncey, P. D., Mallik, U., Chen, C., Cochran, J., Meyer, W. T., Prell, S., Gritsan, A. V., Arnaud, N., Davier, M., Derkach, D., Grosdidier, G., Le Diberder, F., Lutz, A. M., Malaescu, B., Roudeau, P., Stocchi, A., Wormser, G., Lange, D. J., Wright, D. M., Coleman, J. P., Fry, J. R., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Cowan, G., Bougher, J., Davis, C. L., Denig, A. G., Fritsch, M., Gradl, W., Griessinger, K., Hafner, A., Prencipe, E., Schubert, K. R., Barlow, R. J., Lafferty, G. D., Behn, E., Cenci, R., Hamilton, B., Jawahery, A., Roberts, D. A., Cowan, R., Dujmic, D., Sciolla, G., Cheaib, R., Patel, P. M., Robertson, S. H., Biassoni, P., Neri, N., Palombo, F., Cremaldi, L., Godang, R., Sonnek, P., Summers, D. J., Simard, M., Taras, P., De Nardo, G., Monorchio, D., Onorato, G., Sciacca, C., Martinelli, M., Raven, G., Jessop, C. P., Losecco, J. M., Honscheid, K., Kass, R., Brau, J., Frey, R., Sinev, N. B., Strom, D., Torrence, E., Feltresi, E., Margoni, M., Morandin, M., Posocco, M., Rotondo, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. R., Briand, H., Calderini, G., Chauveau, J., Leruste, Ph., Marchiori, G., Ocariz, J., Sitt, S., Biasini, M., Manoni, E., Pacetti, S., Rossi, A., Angelini, C., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Cervelli, A., Forti, F., Giorgi, M. A., Lusiani, A., Oberhof, B., Paoloni, E., Perez, A., Rizzo, G., Walsh, J. J., Pegna, D. Lope, Olsen, J., Smith, A. J. S., Faccini, R., Ferrarotto, F., Ferroni, F., Gaspero, M., Li Gioi, L., Piredda, G., Buenger, C., Gruenberg, O., Hartmann, T., Leddig, T., Voss, C., Waldi, R., Adye, T., Olaiya, E. O., Wilson, F. F., Emery, S., de Monchenault, G. Hamel, Vasseur, G., Yeche, Ch., Anulli, F., Aston, D., Bard, D. J., Benitez, J. F., Cartaro, C., Convery, M. R., Dorfan, J., Dubois-Felsmann, G. P., Dunwoodie, W., Ebert, M., Field, R. C., Fulsom, B. G., Gabareen, A. M., Graham, M. T., Hast, C., Innes, W. R., Kim, P., Kocian, M. L., Leith, D. W. G. S., Lewis, P., Lindemann, D., Lindquist, B., Luitz, S., Luth, V., Lynch, H. L., Macfarlane, D. B., Muller, D. R., Neal, H., Nelson, S., Perl, M., Pulliam, T., Ratcliff, B. N., Roodman, A., Salnikov, A. A., Schindler, R. H., Snyder, A., Su, D., Sullivan, M. K., Va'Vra, J., Wagner, A. P., Wang, W. F., Wisniewski, W. J., Wittgen, M., Wright, D. H., Wulsin, H. W., Ziegler, V., Park, W., Purohit, M. V., White, R. M., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Bellis, M., Burchat, P. R., Miyashita, T. S., Puccio, E. M. T., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Spanier, S. M., Ritchie, J. L., Ruland, A. M., Schwitters, R. F., Wray, B. C., Izen, J. M., Lou, X. C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Zambito, S., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Villanueva-Perez, P., Ahmed, H., Albert, J., Banerjee, Sw., Bernlochner, F. U., Choi, H. H. F., King, G. J., Kowalewski, R., Lewczuk, M. J., Lueck, T., Nugent, I. M., Roney, J. M., Sobie, R. J., Tasneem, N., Gershon, T. J., Harrison, P. F., Latham, T. E., Band, H. R., Dasu, S., Pan, Y., Prepost, R., Wu, S. L., Collaboration, Babar, Lees, J, Poireau, V, Tisserand, V, Grauges, E, Palano, A, Eigen, G, Stugu, B, Brown, D, Kerth, L, Kolomensky, Y, Lee, M, Lynch, G, Koch, H, Schroeder, T, Hearty, C, Mattison, T, Mckenna, J, So, R, Khan, A, Blinov, V, Buzykaev, A, Druzhinin, V, Golubev, V, Kravchenko, E, Onuchin, A, Serednyakov, S, Skovpen, Y, Solodov, E, Todyshev, K, Yushkov, A, Kirkby, D, Lankford, A, Mandelkern, M, Dey, B, Gary, J, Long, O, Vitug, G, Campagnari, C, Sevilla M., F, Hong, T, Kovalskyi, D, Richman, J, West, C, Eisner, A, Lockman, W, Schumm, B, Seiden, A, Chao, D, Cheng, C, Echenard, B, Flood, K, Hitlin, D, Ongmongkolkul, P, Porter, F, Andreassen, R, Huard, Z, Meadows, B, Pappenheimer, C, Pushpawela, B, Sokoloff, M, Sun, L, Bloom, P, Ford, W, Gaz, A, Nauenberg, U, Smith, J, Wagner, S, Ayad, R, Toki, W, Spaan, B, Schwierz, R, Bernard, D, Verderi, M, Playfer, S, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Piemontese, L, Santoro, V, Baldini Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Martellotti, S, Patteri, P, Peruzzi, I, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, M, Passaggio, S, Patrignani, C, Robutti, E, Bhuyan, B, Prasad, V, Morii, M, Adametz, A, Uwer, U, Lacker, H, Dauncey, P, Mallik, U, Chen, C, Cochran, J, Meyer, W, Prell, S, Gritsan, A, Arnaud, N, Davier, M, Derkach, D, Grosdidier, G, Le Diberder, F, Lutz, A, Malaescu, B, Roudeau, P, Stocchi, A, Wormser, G, Lange, D, Wright, D, Coleman, J, Fry, J, Gabathuler, E, Hutchcroft, D, Payne, D, Touramanis, C, Bevan, A, Di Lodovico, F, Sacco, R, Cowan, G, Bougher, J, Davis, C, Denig, A, Fritsch, M, Gradl, W, Griessinger, K, Hafner, A, Prencipe, E, Schubert, K, Barlow, R, Lafferty, G, Behn, E, Cenci, R, Hamilton, B, Jawahery, A, Roberts, D, Cowan, R, Dujmic, D, Sciolla, G, Cheaib, R, Patel, P, Robertson, S, Biassoni, P, Neri, N, Palombo, F, Cremaldi, L, Godang, R, Sonnek, P, Summers, D, Simard, M, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Martinelli, M, Raven, G, Jessop, C, Losecco, J, Honscheid, K, Kass, R, Brau, J, Frey, R, Sinev, N, Strom, D, Torrence, E, Feltresi, E, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben Haim, E, Bomben, M, Bonneaud, G, Briand, H, Calderini, G, Chauveau, J, Leruste, P, Marchiori, G, Ocariz, J, Sitt, S, Biasini, M, Manoni, E, Pacetti, S, Rossi, A, Angelini, C, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Cervelli, A, Forti, F, Giorgi, M, Lusiani, A, Oberhof, B, Paoloni, E, Perez, A, Rizzo, G, Walsh, J, Pegna D., L, Olsen, J, Smith, A, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Li Gioi, L, Piredda, G, Buenger, C, Gruenberg, O, Hartmann, T, Leddig, T, Voss, C, Waldi, R, Adye, T, Olaiya, E, Wilson, F, Emery, S, de Monchenault G., H, Vasseur, G, Yeche, C, Anulli, F, Aston, D, Bard, D, Benitez, J, Cartaro, C, Convery, M, Dorfan, J, Dubois Felsmann, G, Dunwoodie, W, Ebert, M, Field, R, Fulsom, B, Gabareen, A, Graham, M, Hast, C, Innes, W, Kim, P, Kocian, M, Leith, D, Lewis, P, Lindemann, D, Lindquist, B, Luitz, S, Luth, V, Lynch, H, Macfarlane, D, Muller, D, Neal, H, Nelson, S, Perl, M, Pulliam, T, Ratcliff, B, Roodman, A, Salnikov, A, Schindler, R, Snyder, A, Su, D, Sullivan, M, Va'Vra, J, Wagner, A, Wang, W, Wisniewski, W, Wittgen, M, Wulsin, H, Ziegler, V, Park, W, Purohit, M, White, R, Wilson, J, Randle Conde, A, Sekula, S, Bellis, M, Burchat, P, Miyashita, T, Puccio, E, Alam, M, Ernst, J, Gorodeisky, R, Guttman, N, Peimer, D, Soffer, A, Spanier, S, Ritchie, J, Ruland, A, Schwitters, R, Wray, B, Izen, J, Lou, X, Bianchi, F, De Mori, F, Filippi, A, Gamba, D, Zambito, S, Lanceri, L, Vitale, L, Martinez Vidal, F, Oyanguren, A, Villanueva Perez, P, Ahmed, H, Albert, J, Banerjee, S, Bernlochner, F, Choi, H, King, G, Kowalewski, R, Lewczuk, M, Lueck, T, Nugent, I, Roney, J, Sobie, R, Tasneem, N, Gershon, T, Harrison, P, Latham, T, Band, H, Dasu, S, Pan, Y, Prepost, R, Wu, S, G., De Nardo, C., Bünger, O., Grünberg, C., Voß, Yèche, C. h., J., Va’Vra, Lanceri, Livio, and Vitale, Lorenzo

Subjects
Particle physics, Nuclear and High Energy Physics, Meson, Electron–positron annihilation, FOS: Physical sciences, Charmed mesons, PACS: 13.25.Ft, 14.40.Lb, 01 natural sciences, Luminosity, High Energy Physics - Experiment, Nuclear physics, Babar detector, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Mesons (Nuclear physics), Mesons (Física nuclear), 010306 general physics, Decays of charmed mesons, Physics, Decays of charmed meson, 010308 nuclear & particles physics, Detector, Resonance, D0 experiment, Massa (Física), HEP, BaBar, Física nuclear, Decay chain, Mass (Physics), Física de partícules, Experiments
Abstract

We report a measurement of the D-0 meson mass using the decay chain D* (2010) + -> D-0 pi(+) with D-0 -> K-K-K+pi(+). The data were recorded with the BABAR detector at center-of-mass energies at and near the Upsilon(4S) resonance, and correspond to an integrated luminosity of approximately 477 fb(-1). We obtain m(D-0) (1864: 841 +/- 0: 048 +/- 0: 063) MeV, where the quoted errors are statistical and systematic, respectively. The uncertainty of this measurement is half that of the best previous measurement., We are grateful for the extraordinary contributions of our PEP- II colleagues in achieving the excellent luminosity and machine conditions that have made this work possible. The success of this project also relies critically on the expertise and dedication of the computing organizations that support BABAR. The collaborating institutions wish to thank SLAC for its support and the kind hospitality extended to them. This work is supported by the U.S. Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), the Commissariat a l'Energie Atomique and Institut National de Physique Nucle aire et de Physique des Particules (France), the Bundesministerium fur Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (The Netherlands), the Research Council of Norway, the Ministry of Education and Science of the Russian Federation, Ministerio de Ciencia e Innovacion (Spain), and the Science and Technology Facilities Council (United Kingdom). Individuals have received support from the Marie-Curie IEF program (European Union) and the A. P. Sloan Foundation (USA). The University of Cincinnati is gratefully acknowledged for its support of this research through a WISE (Women in Science and Engineering) fellowship to C. Pappenheimer.

Published
2013

46. Measurement of an excess of B --> D(*) tau nu decays and implications for charged Higgs bosons

Author

J. P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, D. N. Brown, L. T. Kerth, Y.u. G. Kolomensky, M. Lee, G. Lynch, H. Koch, T. Schroeder, C. Hearty, T. S. Mattison, J. A. McKenna, R. Y. So, A. Khan, V. E. Blinov, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Y.u. I. Skovpen, E. P. Solodov, K. Y.u. Todyshev, A. N. Yushkov, D. Kirkby, A. J. Lankford, M. Mandelkern, B. Dey, J. W. Gary, O. Long, G. M. Vitug, C. Campagnari, M. Franco Sevilla, T. M. Hong, D. Kovalskyi, J. D. Richman, C. A. West, A. M. Eisner, W. S. Lockman, A. J. Martinez, B. A. Schumm, A. Seiden, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, P. Ongmongkolkul, F. C. Porter, R. Andreassen, Z. Huard, B. T. Meadows, M. D. Sokoloff, L. Sun, P. C. Bloom, W. T. Ford, A. Gaz, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, B. Spaan, K. R. Schubert, R. Schwierz, D. Bernard, M. Verderi, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, L. Piemontese, V. Santoro, R. Baldini Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, M. Morii, A. Adametz, U. Uwer, H. M. Lacker, P. D. Dauncey, U. Mallik, C. Chen, J. Cochran, W. T. Meyer, S. Prell, A. E. Rubin, A. V. Gritsan, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A. M. Lutz, B. Malaescu, P. Roudeau, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, J. R. Fry, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, J. Bougher, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, R. J. Barlow, G. D. Lafferty, E. Behn, R. Cenci, B. Hamilton, A. Jawahery, D. A. Roberts, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, P. M. Patel, S. H. Robertson, P. Biassoni, N. Neri, F. Palombo, L. Cremaldi, R. Godang, P. Sonnek, D. J. Summers, X. Nguyen, M. Simard, P. Taras, D. Monorchio, G. Onorato, M. Martinelli, G. Raven, C. P. Jessop, J. M. LoSecco, K. Honscheid, R. Kass, J. Brau, R. Frey, N. B. Sinev, D. Strom, E. Torrence, E. Feltresi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben Haim, M. Bomben, G. R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, P.h. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J. J. Walsh, D. Lopes Pegna, J. Olsen, A. J. S. Smith, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, G. Piredda, C. B?nger, O. Gr?nberg, T. Hartmann, T. Leddig, C. Vo?, R. Waldi, T. Adye, E. O. Olaiya, F. F. Wilson, S. Emery, G. Hamel de Monchenault, G. Vasseur, C.h. Y?che, F. Anulli, D. Aston, D. J. Bard, J. F. Benitez, C. Cartaro, M. R. Convery, J. Dorfan, G. P. Dubois Felsmann, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, A. M. Gabareen, M. T. Graham, C. Hast, W. R. Innes, P. Kim, M. L. Kocian, D. W. G. S. Leith, P. Lewis, D. Lindemann, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, D. R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, A. Snyder, D. Su, M. K. Sullivan, J. Va?vra, A. P. Wagner, W. F. Wang, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, V. Ziegler, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, A. Randle Conde, S. J. Sekula, M. Bellis, P. R. Burchat, T. S. Miyashita, E. M. T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, A. M. Ruland, R. F. Schwitters, B. C. Wray, J. M. Izen, X. C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, S. Zambito, L. Lanceri, L. Vitale, F. Martinez Vidal, A. Oyanguren, P. Villanueva Perez, H. Ahmed, J. Albert, S.w. Banerjee, F. U. Bernlochner, H. H. F. Choi, G. J. King, R. Kowalewski, M. J. Lewczuk, T. Lueck, I. M. Nugent, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, H. R. Band, S. Dasu, Y. Pan, R. Prepost, S. L. Wu, DE NARDO, GUGLIELMO, SCIACCA, CRISOSTOMO, J. P., Lee, V., Poireau, V., Tisserand, E., Grauge, A., Palano, G., Eigen, B., Stugu, D. N., Brown, L. T., Kerth, Kolomensky, Y. u. G., M., Lee, G., Lynch, H., Koch, T., Schroeder, C., Hearty, T. S., Mattison, J. A., Mckenna, R. Y., So, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Skovpen, Y. u. I., E. P., Solodov, Todyshev, K. Y. u., A. N., Yushkov, D., Kirkby, A. J., Lankford, M., Mandelkern, B., Dey, J. W., Gary, O., Long, G. M., Vitug, C., Campagnari, M., Franco Sevilla, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, W. S., Lockman, A. J., Martinez, B. A., Schumm, A., Seiden, D. S., Chao, C. H., Cheng, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, R., Andreassen, Z., Huard, B. T., Meadow, M. D., Sokoloff, L., Sun, P. C., Bloom, W. T., Ford, A., Gaz, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, K. R., Schubert, R., Schwierz, D., Bernard, M., Verderi, S., Playfer, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, L., Piemontese, V., Santoro, R., Baldini Ferroli, A., Calcaterra, R., de Sangro, G., Finocchiaro, S., Martellotti, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M., Lo Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, M., Morii, A., Adametz, U., Uwer, H. M., Lacker, P. D., Dauncey, U., Mallik, C., Chen, J., Cochran, W. T., Meyer, S., Prell, A. E., Rubin, A. V., Gritsan, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F., Le Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F., Di Lodovico, R., Sacco, G., Cowan, J., Bougher, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, K., Griessinger, A., Hafner, E., Prencipe, R. J., Barlow, G. D., Lafferty, E., Behn, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, R., Cowan, D., Dujmic, G., Sciolla, R., Cheaib, P. M., Patel, S. H., Robertson, P., Biassoni, N., Neri, F., Palombo, L., Cremaldi, R., Godang, P., Sonnek, D. J., Summer, X., Nguyen, M., Simard, P., Tara, DE NARDO, Guglielmo, D., Monorchio, G., Onorato, Sciacca, Crisostomo, M., Martinelli, G., Raven, C. P., Jessop, J. M., Losecco, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, G., Simi, F., Simonetto, R., Stroili, S., Akar, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, Leruste, P. h., G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, S., Pacetti, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, A., Lusiani, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D., Lopes Pegna, J., Olsen, A. J. S., Smith, R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L., Li Gioi, G., Piredda, C., B?nger, O., Gr?nberg, T., Hartmann, T., Leddig, C., Vo?, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G., Hamel de Monchenault, G., Vasseur, Y?che, C. h., F., Anulli, D., Aston, D. J., Bard, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, M., Ebert, R. C., Field, B. G., Fulsom, A. M., Gabareen, M. T., Graham, C., Hast, W. R., Inne, P., Kim, M. L., Kocian, D. W. G. S., Leith, P., Lewi, D., Lindemann, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va?vra, A. P., Wagner, W. F., Wang, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, E. M. T., Puccio, M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, S. M., Spanier, J. L., Ritchie, A. M., Ruland, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, F., De Mori, A., Filippi, D., Gamba, S., Zambito, L., Lanceri, L., Vitale, F., Martinez Vidal, A., Oyanguren, P., Villanueva Perez, H., Ahmed, J., Albert, Banerjee, S. w., F. U., Bernlochner, H. H. F., Choi, G. J., King, R., Kowalewski, M. J., Lewczuk, T., Lueck, I. M., Nugent, J. M., Roney, R. J., Sobie, N., Tasneem, T. J., Gershon, P. F., Harrison, T. E., Latham, H. R., Band, S., Dasu, Y., Pan, R., Prepost, and S. L., Wu

Published
2013

47. Measurement of the e(+)e(-) -> p(p)over-bar cross section in the energy range from 3.0 to 6.5 GeV

Author

J. P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, D. N. Brown, L. T. Kerth, Y. G. Kolomensky, M. J. Lee, G. Lynch, H. Koch, T. Schroeder, C. Hearty, T. S. Mattison, J. A. McKenna, R. Y. So, A. Khan, V. E. Blinov, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Y. I. Skovpen, E. P. Solodov, K. Y. Todyshev, A. N. Yushkov, D. Kirkby, A. J. Lankford, M. Mandelkern, B. Dey, J. W. Gary, O. Long, G. M. Vitug, C. Campagnari, M. F. Sevilla, T. M. Hong, D. Kovalskyi, J. D. Richman, C. A. West, A. M. Eisner, W. S. Lockman, B. A. Schumm, A. Seiden, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, P. Ongmongkolkul, F. C. Porter, R. Andreassen, Z. Huard, B. T. Meadows, B. G. Pushpawela, M. D. Sokoloff, L. Sun, P. C. Bloom, W. T. Ford, A. Gaz, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, B. Spaan, R. Schwierz, D. Bernard, M. Verderi, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, L. Piemontese, V. Santoro, R. Baldini Ferroli, A. Calcaterra, R. d. Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. L. Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, M. Morii, A. Adametz, U. Uwer, H. M. Lacker, P. D. Dauncey, U. Mallik, C. Chen, J. Cochran, W. T. Meyer, S. Prell, A. V. Gritsan, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. L. Diberder, A. M. Lutz, B. Malaescu, P. Roudeau, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, J. R. Fry, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. D. Lodovico, R. Sacco, G. Cowan, J. Bougher, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, K. R. Schubert, R. J. Barlow, G. D. Lafferty, E. Behn, R. Cenci, B. Hamilton, A. Jawahery, D. A. Roberts, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, P. M. Patel, S. H. Robertson, P. Biassoni, N. Neri, F. Palombo, L. Cremaldi, R. Godang, P. Sonnek, D. J. Summers, M. Simard, P. Taras, G. D. Nardo, D. Monorchio, G. Onorato, C. Sciacca, M. Martinelli, G. Raven, C. P. Jessop, J. M. LoSecco, K. Honscheid, R. Kass, J. Brau, R. Frey, N. B. Sinev, D. Strom, E. Torrence, E. Feltresi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben Haim, M. Bomben, G. R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, P. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, F. Forti, M. A. Giorgi, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J. J. Walsh, D. L. Pegna, J. Olsen, A. J. S., R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. L. Gioi, G. Piredda, C. Buenger, O. Gruenberg, T. Hartmann, T. Leddig, C. Voss, R. Waldi, T. Adye, E. O. Olaiya, F. F. Wilson, S. Emery, G. H. de, G. Vasseur, C. Yeche, F. Anulli, D. Aston, D. J. Bard, J. F. Benitez, C. Cartaro, M. R. Convery, J. Dorfan, G. P. Dubois Felsmann, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, A. M. Gabareen, M. T. Graham, C. Hast, W. R. Innes, P. Kim, M. L. Kocian, D. W. G., P. Lewis, D. Lindemann, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, D. R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, A. Snyder, D. Su, M. K. Sullivan, J. Va'vra, A. P. Wagner, W. F. Wang, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, V. Ziegler, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, A. Randle Conde, S. J. Sekula, M. Bellis, P. R. Burchat, T. S. Miyashita, E. M. T., M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, A. M. Ruland, R. F. Schwitters, B. C. Wray, J. M. Izen, X. C. Lou, F. Bianchi, F. D. Mori, A. Filippi, D. Gamba, S. Zambito, L. Lanceri, L. Vitale, F. Martinez Vidal, A. Oyanguren, P. Villanueva Perez, H. Ahmed, J. Albert, S. Banerjee, F. U. Bernlochner, H. H. F., G. J. King, R. Kowalewski, M. J. Lewczuk, T. Lueck, I. M. Nugent, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, H. R. Band, S. Dasu, Y. Pan, R. Prepost, S. L. Wu, LUSIANI, Alberto, Lees, J. P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Stugu, B., Brown, D. N., Kerth, L. T., Kolomensky, Yu. G., Lee, M. J., Lynch, G., Koch, H., Schroeder, T., Hearty, C., Mattison, T. S., Mckenna, J. A., So, R. Y., Khan, A., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Yu. I., Solodov, E. P., Todyshev, K. Yu., Yushkov, A. N., Kirkby, D., Lankford, A. J., Mandelkern, M., Dey, B., Gary, J. W., Long, O., Vitug, G. M., Campagnari, C., Sevilla, M. Franco, Hong, T. M., Kovalskyi, D., Richman, J. D., West, C. A., Eisner, A. M., Lockman, W. S., Schumm, B. A., Seiden, A., Chao, D. S., Cheng, C. H., Echenard, B., Flood, K. T., Hitlin, D. G., Ongmongkolkul, P., Porter, F. C., Andreassen, R., Huard, Z., Meadows, B. T., Pushpawela, B. G., Sokoloff, M. D., Sun, L., Bloom, P. C., Ford, W. T., Gaz, A., Nauenberg, U., Smith, J. G., Wagner, S. R., Ayad, R., Toki, W. H., Spaan, B., Schwierz, R., Bernard, D., Verderi, M., Playfer, S., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Fioravanti, E., Garzia, I., Luppi, E., Piemontese, L., Santoro, V., Baldini-Ferroli, R., Calcaterra, A., de Sangro, R., Finocchiaro, G., Martellotti, S., Patteri, P., Peruzzi, I. M., Piccolo, M., Rama, M., Zallo, A., Contri, R., Guido, E., Lo Vetere, M., Monge, M. R., Passaggio, S., Patrignani, C., Robutti, E., Bhuyan, B., Prasad, V., Morii, M., Adametz, A., Uwer, U., Lacker, H. M., Dauncey, P. D., Mallik, U., Chen, C., Cochran, J., Meyer, W. T., Prell, S., Gritsan, A. V., Arnaud, N., Davier, M., Derkach, D., Grosdidier, G., Le Diberder, F., Lutz, A. M., Malaescu, B., Roudeau, P., Stocchi, A., Wormser, G., Lange, D. J., Wright, D. M., Coleman, J. P., Fry, J. R., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Cowan, G., Bougher, J., Davis, C. L., Denig, A. G., Fritsch, M., Gradl, W., Griessinger, K., Hafner, A., Prencipe, E., Schubert, K. R., Barlow, R. J., Lafferty, G. D., Behn, E., Cenci, R., Hamilton, B., Jawahery, A., Roberts, D. A., Cowan, R., Dujmic, D., Sciolla, G., Cheaib, R., Patel, P. M., Robertson, S. H., Biassoni, P., Neri, N., Palombo, F., Cremaldi, L., Godang, R., Sonnek, P., Summers, D. J., Simard, M., Taras, P., De Nardo, G., Monorchio, D., Onorato, G., Sciacca, C., Martinelli, M., Raven, G., Jessop, C. P., Losecco, J. M., Honscheid, K., Kass, R., Brau, J., Frey, R., Sinev, N. B., Strom, D., Torrence, E., Feltresi, E., Margoni, M., Morandin, M., Posocco, M., Rotondo, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. R., Briand, H., Calderini, G., Chauveau, J., Leruste, Ph., Marchiori, G., Ocariz, J., Sitt, S., Biasini, M., Manoni, E., Pacetti, S., Rossi, A., Angelini, C., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Cervelli, A., Forti, F., Giorgi, M. A., Lusiani, A., Oberhof, B., Paoloni, E., Perez, A., Rizzo, G., Walsh, J. J., Pegna, D. Lope, Olsen, J., Smith, A. J. S., Faccini, R., Ferrarotto, F., Ferroni, F., Gaspero, M., Gioi, L. Li, Piredda, G., Buenger, C., Gruenberg, O., Hartmann, T., Leddig, T., Voss, C., Waldi, R., Adye, T., Olaiya, E. O., Wilson, F. F., Emery, S., de Monchenault, G. Hamel, Vasseur, G., Yeche, Ch., Anulli, F., Aston, D., Bard, D. J., Benitez, J. F., Cartaro, C., Convery, M. R., Dorfan, J., Dubois-Felsmann, G. P., Dunwoodie, W., Ebert, M., Field, R. C., Fulsom, B. G., Gabareen, A. M., Graham, M. T., Hast, C., Innes, W. R., Kim, P., Kocian, M. L., Leith, D. W. G. S., Lewis, P., Lindemann, D., Lindquist, B., Luitz, S., Luth, V., Lynch, H. L., Macfarlane, D. B., Muller, D. R., Neal, H., Nelson, S., Perl, M., Pulliam, T., Ratcliff, B. N., Roodman, A., Salnikov, A. A., Schindler, R. H., Snyder, A., Su, D., Sullivan, M. K., Va'Vra, J., Wagner, A. P., Wang, W. F., Wisniewski, W. J., Wittgen, M., Wright, D. H., Wulsin, H. W., Ziegler, V., Park, W., Purohit, M. V., White, R. M., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Bellis, M., Burchat, P. R., Miyashita, T. S., Puccio, E. M. T., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Spanier, S. M., Ritchie, J. L., Ruland, A. M., Schwitters, R. F., Wray, B. C., Izen, J. M., Lou, X. C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Zambito, S., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Villanueva-Perez, P., Ahmed, H., Albert, J., Banerjee, Sw., Bernlochner, F. U., Choi, H. H. F., King, G. J., Kowalewski, R., Lewczuk, M. J., Lueck, T., Nugent, I. M., Roney, J. M., Sobie, R. J., Tasneem, N., Gershon, T. J., Harrison, P. F., Latham, T. E., Band, H. R., Dasu, S., Pan, Y., Prepost, R., Wu, S. L., J. P., Lee, V., Poireau, V., Tisserand, E., Grauge, A., Palano, G., Eigen, B., Stugu, D. N., Brown, L. T., Kerth, Y. G., Kolomensky, M. J., Lee, G., Lynch, H., Koch, T., Schroeder, C., Hearty, T. S., Mattison, J. A., Mckenna, R. Y., So, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Y. I., Skovpen, E. P., Solodov, K. Y., Todyshev, A. N., Yushkov, D., Kirkby, A. J., Lankford, M., Mandelkern, B., Dey, J. W., Gary, O., Long, G. M., Vitug, C., Campagnari, M. F., Sevilla, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, W. S., Lockman, B. A., Schumm, A., Seiden, D. S., Chao, C. H., Cheng, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, R., Andreassen, Z., Huard, B. T., Meadow, B. G., Pushpawela, M. D., Sokoloff, L., Sun, P. C., Bloom, W. T., Ford, A., Gaz, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, R., Schwierz, D., Bernard, M., Verderi, S., Playfer, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, L., Piemontese, V., Santoro, R., Baldini Ferroli, A., Calcaterra, R. d., Sangro, G., Finocchiaro, S., Martellotti, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M. L., Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, M., Morii, A., Adametz, U., Uwer, H. M., Lacker, P. D., Dauncey, U., Mallik, C., Chen, J., Cochran, W. T., Meyer, S., Prell, A. V., Gritsan, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F. L., Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F. D., Lodovico, R., Sacco, G., Cowan, J., Bougher, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, K., Griessinger, A., Hafner, E., Prencipe, K. R., Schubert, R. J., Barlow, G. D., Lafferty, E., Behn, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, R., Cowan, D., Dujmic, G., Sciolla, R., Cheaib, P. M., Patel, S. H., Robertson, P., Biassoni, N., Neri, F., Palombo, L., Cremaldi, R., Godang, P., Sonnek, D. J., Summer, M., Simard, P., Tara, G. D., Nardo, D., Monorchio, G., Onorato, C., Sciacca, M., Martinelli, G., Raven, C. P., Jessop, J. M., Losecco, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, G., Simi, F., Simonetto, R., Stroili, S., Akar, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, P., Leruste, G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, S., Pacetti, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, Lusiani, Alberto, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D. L., Pegna, J., Olsen, A. J., S., R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L. L., Gioi, G., Piredda, C., Buenger, O., Gruenberg, T., Hartmann, T., Leddig, C., Vo, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G. H., De, G., Vasseur, C., Yeche, F., Anulli, D., Aston, D. J., Bard, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, M., Ebert, R. C., Field, B. G., Fulsom, A. M., Gabareen, M. T., Graham, C., Hast, W. R., Inne, P., Kim, M. L., Kocian, D. W., G., P., Lewi, D., Lindemann, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va'Vra, A. P., Wagner, W. F., Wang, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, E. M., T., M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, S. M., Spanier, J. L., Ritchie, A. M., Ruland, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, F. D., Mori, A., Filippi, D., Gamba, S., Zambito, L., Lanceri, L., Vitale, F., Martinez Vidal, A., Oyanguren, P., Villanueva Perez, H., Ahmed, J., Albert, S., Banerjee, F. U., Bernlochner, H. H., F., G. J., King, R., Kowalewski, M. J., Lewczuk, T., Lueck, I. M., Nugent, J. M., Roney, R. J., Sobie, N., Tasneem, T. J., Gershon, P. F., Harrison, T. E., Latham, H. R., Band, S., Dasu, Y., Pan, R., Prepost, and S. L., Wu

Subjects
PACS: 13.66.Bc, 14.20.Dh, 13.40.Gp, 13.25.Gv, BaBAr, High Energy Physics::Experiment, Astrophysics::Cosmology and Extragalactic Astrophysics, HEP
Abstract

The e+e−→pp⎯⎯ cross section and the proton magnetic form factor have been measured in the center-of-mass energy range from 3.0 to 6.5 GeV using the initial-state radiation technique with an undetected photon. This is the first measurement of the form factor at energies higher than 4.5 GeV. The analysis is based on 469 fb−1 of integrated luminosity collected with the BABAR detector at the PEP-II collider at e+e− center-of-mass energies near 10.6 GeV. The branching fractions for the decays J/ψ→pp⎯⎯ and ψ(2S)→pp⎯⎯ have also been measured.

Published
2013

48. Measurement of the B+ --> omega l+ nu branching fraction with semileptonically tagged B mesons

Author

J. P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, D. N. Brown, L. T. Kerth, Y.u. G. Kolomensky, M. J. Lee, G. Lynch, H. Koch, T. Schroeder, C. Hearty, T. S. Mattison, J. A. McKenna, R. Y. So, A. Khan, V. E. Blinov, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Y.u. I. Skovpen, E. P. Solodov, K. Y.u. Todyshev, A. N. Yushkov, D. Kirkby, A. J. Lankford, M. Mandelkern, B. Dey, J. W. Gary, O. Long, G. M. Vitug, C. Campagnari, M. Franco Sevilla, T. M. Hong, D. Kovalskyi, J. D. Richman, C. A. West, A. M. Eisner, W. S. Lockman, A. J. Martinez, B. A. Schumm, A. Seiden, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, P. Ongmongkolkul, F. C. Porter, R. Andreassen, Z. Huard, B. T. Meadows, B. G. Pushpawela, M. D. Sokoloff, L. Sun, P. C. Bloom, W. T. Ford, A. Gaz, M. Nagel, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, B. Spaan, R. Schwierz, D. Bernard, M. Verderi, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, L. Piemontese, V. Santoro, R. Baldini Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, M. Morii, A. Adametz, U. Uwer, H. M. Lacker, P. D. Dauncey, U. Mallik, C. Chen, J. Cochran, W. T. Meyer, S. Prell, A. E. Rubin, A. V. Gritsan, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A. M. Lutz, B. Malaescu, P. Roudeau, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, J. R. Fry, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, J. Bougher, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, K. R. Schubert, R. J. Barlow, G. D. Lafferty, E. Behn, R. Cenci, B. Hamilton, A. Jawahery, D. A. Roberts, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, P. M. Patel, S. H. Robertson, P. Biassoni, N. Neri, F. Palombo, L. Cremaldi, R. Godang, P. Sonnek, D. J. Summers, X. Nguyen, M. Simard, P. Taras, D. Monorchio, G. Onorato, M. Martinelli, G. Raven, C. P. Jessop, J. M. LoSecco, K. Honscheid, R. Kass, J. Brau, R. Frey, N. B. Sinev, D. Strom, E. Torrence, E. Feltresi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben Haim, M. Bomben, G. R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, P.h. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J. J. Walsh, D. Lopes Pegna, J. Olsen, A. J. S. Smith, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, G. Piredda, C. B?nger, O. Gr?nberg, T. Hartmann, T. Leddig, C. Vo?, R. Waldi, T. Adye, E. O. Olaiya, F. F. Wilson, S. Emery, G. Hamel de Monchenault, G. Vasseur, C.h. Y?che, F. Anulli, D. Aston, D. J. Bard, J. F. Benitez, C. Cartaro, M. R. Convery, J. Dorfan, G. P. Dubois Felsmann, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, A. M. Gabareen, M. T. Graham, C. Hast, W. R. Innes, P. Kim, M. L. Kocian, D. W. G. S. Leith, P. Lewis, D. Lindemann, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, D. R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, A. Snyder, D. Su, M. K. Sullivan, J. Va?vra, A. P. Wagner, W. F. Wang, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, V. Ziegler, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, A. Randle Conde, S. J. Sekula, M. Bellis, P. R. Burchat, T. S. Miyashita, E. M. T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, A. M. Ruland, R. F. Schwitters, B. C. Wray, J. M. Izen, X. C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, S. Zambito, L. Lanceri, L. Vitale, F. Martinez Vidal, A. Oyanguren, P. Villanueva Perez, H. Ahmed, J. Albert, S.w. Banerjee, F. U. Bernlochner, H. H. F. Choi, G. J. King, R. Kowalewski, M. J. Lewczuk, T. Lueck, I. M. Nugent, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, H. R. Band, S. Dasu, Y. Pan, R. Prepost, S. L. Wu, DE NARDO, GUGLIELMO, SCIACCA, CRISOSTOMO, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, BABAR, Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), J. P., Lee, V., Poireau, V., Tisserand, E., Grauge, A., Palano, G., Eigen, B., Stugu, D. N., Brown, L. T., Kerth, Y. G., Kolomensky, M. J., Lee, G., Lynch, H., Koch, T., Schroeder, C., Hearty, T. S., Mattison, J. A., Mckenna, R. Y., So, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Y. I., Skovpen, E. P., Solodov, K. Y., Todyshev, A. N., Yushkov, D., Kirkby, A. J., Lankford, M., Mandelkern, B., Dey, J. W., Gary, O., Long, G. M., Vitug, C., Campagnari, M. F., Sevilla, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, W. S., Lockman, A. J., Martinez, B. A., Schumm, A., Seiden, D. S., Chao, C. H., Cheng, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, R., Andreassen, Z., Huard, B. T., Meadow, B. G., Pushpawela, M. D., Sokoloff, L., Sun, P. C., Bloom, W. T., Ford, A., Gaz, M., Nagel, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, R., Schwierz, D., Bernard, M., Verderi, S., Playfer, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, L., Piemontese, V., Santoro, R., Baldini Ferroli, A., Calcaterra, R. d., Sangro, G., Finocchiaro, S., Martellotti, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M. L., Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, M., Morii, A., Adametz, U., Uwer, H. M., Lacker, P. D., Dauncey, U., Mallik, C., Chen, J., Cochran, W. T., Meyer, S., Prell, A. E., Rubin, A. V., Gritsan, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F. L., Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F. D., Lodovico, R., Sacco, G., Cowan, J., Bougher, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, K., Griessinger, A., Hafner, E., Prencipe, K. R., Schubert, R. J., Barlow, G. D., Lafferty, E., Behn, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, R., Cowan, D., Dujmic, G., Sciolla, R., Cheaib, P. M., Patel, S. H., Robertson, P., Biassoni, N., Neri, F., Palombo, L., Cremaldi, R., Godang, P., Sonnek, D. J., Summer, X., Nguyen, M., Simard, P., Tara, G. D., Nardo, D., Monorchio, G., Onorato, C., Sciacca, M., Martinelli, G., Raven, C. P., Jessop, J. M., Losecco, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, G., Simi, F., Simonetto, R., Stroili, S., Akar, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, P., Leruste, G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, S., Pacetti, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, Lusiani, Alberto, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D. L., Pegna, J., Olsen, A. J., S., R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L. L., Gioi, G., Piredda, C., Buenger, O., Gruenberg, T., Hartmann, T., Leddig, C., Vo, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G. H., De, G., Vasseur, C., Yeche, F., Anulli, D., Aston, D. J., Bard, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, M., Ebert, R. C., Field, B. G., Fulsom, A. M., Gabareen, M. T., Graham, C., Hast, W. R., Inne, P., Kim, M. L., Kocian, D. W., G., P., Lewi, D., Lindemann, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va'Vra, A. P., Wagner, W. F., Wang, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, E. M., T., M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, S. M., Spanier, J. L., Ritchie, A. M., Ruland, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, F. D., Mori, A., Filippi, D., Gamba, S., Zambito, L., Lanceri, L., Vitale, F., Martinez Vidal, A., Oyanguren, P., Villanueva Perez, H., Ahmed, J., Albert, S., Banerjee, F. U., Bernlochner, H. H., F., G. J., King, R., Kowalewski, M. J., Lewczuk, T., Lueck, I. M., Nugent, J. M., Roney, R. J., Sobie, N., Tasneem, T. J., Gershon, P. F., Harrison, T. E., Latham, H. R., Band, S., Dasu, Y., Pan, R., Prepost, S. L., Wu, Lees, J. P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Stugu, B., Brown, D. N., Kerth, L. T., Kolomensky, Yu. G., Lee, M. J., Lynch, G., Koch, H., Schroeder, T., Hearty, C., Mattison, T. S., Mckenna, J. A., So, R. Y., Khan, A., Blinov, V. E., Buzykaev, A. R., Druzhinin, V. P., Golubev, V. B., Kravchenko, E. A., Onuchin, A. P., Serednyakov, S. I., Skovpen, Yu. I., Solodov, E. P., Todyshev, K. Yu., Yushkov, A. N., Kirkby, D., Lankford, A. J., Mandelkern, M., Dey, B., Gary, J. W., Long, O., Vitug, G. M., Campagnari, C., Sevilla, M. Franco, Hong, T. M., Kovalskyi, D., Richman, J. D., West, C. A., Eisner, A. M., Lockman, W. S., Martinez, A. J., Schumm, B. A., Seiden, A., Chao, D. S., Cheng, C. H., Echenard, B., Flood, K. T., Hitlin, D. G., Ongmongkolkul, P., Porter, F. C., Andreassen, R., Huard, Z., Meadows, B. T., Pushpawela, B. G., Sokoloff, M. D., Sun, L., Bloom, P. C., Ford, W. T., Gaz, A., Nagel, M., Nauenberg, U., Smith, J. G., Wagner, S. R., Ayad, R., Toki, W. H., Spaan, B., Schwierz, R., Bernard, D., Verderi, M., Playfer, S., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Fioravanti, E., Garzia, I., Luppi, E., Piemontese, L., Santoro, V., Baldini-Ferroli, R., Calcaterra, A., de Sangro, R., Finocchiaro, G., Martellotti, S., Patteri, P., Peruzzi, I. M., Piccolo, M., Rama, M., Zallo, A., Contri, R., Guido, E., Lo Vetere, M., Monge, M. R., Passaggio, S., Patrignani, C., Robutti, E., Bhuyan, B., Prasad, V., Morii, M., Adametz, A., Uwer, U., Lacker, H. M., Dauncey, P. D., Mallik, U., Chen, C., Cochran, J., Meyer, W. T., Prell, S., Rubin, A. E., Gritsan, A. V., Arnaud, N., Davier, M., Derkach, D., Grosdidier, G., Le Diberder, F., Lutz, A. M., Malaescu, B., Roudeau, P., Stocchi, A., Wormser, G., Lange, D. J., Wright, D. M., Coleman, J. P., Fry, J. R., Gabathuler, E., Hutchcroft, D. E., Payne, D. J., Touramanis, C., Bevan, A. J., Di Lodovico, F., Sacco, R., Cowan, G., Bougher, J., Davis, C. L., Denig, A. G., Fritsch, M., Gradl, W., Griessinger, K., Hafner, A., Prencipe, E., Schubert, K. R., Barlow, R. J., Lafferty, G. D., Behn, E., Cenci, R., Hamilton, B., Jawahery, A., Roberts, D. A., Cowan, R., Dujmic, D., Sciolla, G., Cheaib, R., Patel, P. M., Robertson, S. H., Biassoni, P., Neri, N., Palombo, F., Cremaldi, L., Godang, R., Sonnek, P., Summers, D. J., Nguyen, X., Simard, M., Taras, P., De Nardo, G., Monorchio, D., Onorato, G., Sciacca, C., Martinelli, M., Raven, G., Jessop, C. P., Losecco, J. M., Honscheid, K., Kass, R., Brau, J., Frey, R., Sinev, N. B., Strom, D., Torrence, E., Feltresi, E., Margoni, M., Morandin, M., Posocco, M., Rotondo, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G. R., Briand, H., Calderini, G., Chauveau, J., Leruste, Ph., Marchiori, G., Ocariz, J., Sitt, S., Biasini, M., Manoni, E., Pacetti, S., Rossi, A., Angelini, C., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Cervelli, A., Forti, F., Giorgi, M. A., Lusiani, A., Oberhof, B., Paoloni, E., Perez, A., Rizzo, G., Walsh, J. J., Pegna, D. Lope, Olsen, J., Smith, A. J. S., Faccini, R., Ferrarotto, F., Ferroni, F., Gaspero, M., Gioi, L. Li, Piredda, G., Buenger, C., Gruenberg, O., Hartmann, T., Leddig, T., Voss, C., Waldi, R., Adye, T., Olaiya, E. O., Wilson, F. F., Emery, S., de Monchenault, G. Hamel, Vasseur, G., Yeche, Ch., Anulli, F., Aston, D., Bard, D. J., Benitez, J. F., Cartaro, C., Convery, M. R., Dorfan, J., Dubois-Felsmann, G. P., Dunwoodie, W., Ebert, M., Field, R. C., Fulsom, B. G., Gabareen, A. M., Graham, M. T., Hast, C., Innes, W. R., Kim, P., Kocian, M. L., Leith, D. W. G. S., Lewis, P., Lindemann, D., Lindquist, B., Luitz, S., Luth, V., Lynch, H. L., Macfarlane, D. B., Muller, D. R., Neal, H., Nelson, S., Perl, M., Pulliam, T., Ratcliff, B. N., Roodman, A., Salnikov, A. A., Schindler, R. H., Snyder, A., Su, D., Sullivan, M. K., Va'Vra, J., Wagner, A. P., Wang, W. F., Wisniewski, W. J., Wittgen, M., Wright, D. H., Wulsin, H. W., Ziegler, V., Park, W., Purohit, M. V., White, R. M., Wilson, J. R., Randle-Conde, A., Sekula, S. J., Bellis, M., Burchat, P. R., Miyashita, T. S., Puccio, E. M. T., Alam, M. S., Ernst, J. A., Gorodeisky, R., Guttman, N., Peimer, D. R., Soffer, A., Spanier, S. M., Ritchie, J. L., Ruland, A. M., Schwitters, R. F., Wray, B. C., Izen, J. M., Lou, X. C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Zambito, S., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Villanueva-Perez, P., Ahmed, H., Albert, J., Banerjee, Sw., Bernlochner, F. U., Choi, H. H. F., King, G. J., Kowalewski, R., Lewczuk, M. J., Lueck, T., Nugent, I. M., Roney, J. M., Sobie, R. J., Tasneem, N., Gershon, T. J., Harrison, P. F., Latham, T. E., Band, H. R., Dasu, S., Pan, Y., Prepost, R., Wu, S. L., Collaboration, Babar, Kolomensky, Y. u. G., Skovpen, Y. u. I., Todyshev, K. Y. u., M., Franco Sevilla, R., de Sangro, M., Lo Vetere, F., Le Diberder, F., Di Lodovico, DE NARDO, Guglielmo, Sciacca, Crisostomo, Leruste, P. h., A., Lusiani, D., Lopes Pegna, A. J. S., Smith, L., Li Gioi, C., B?nger, O., Gr?nberg, C., Vo?, G., Hamel de Monchenault, Y?che, C. h., D. W. G. S., Leith, J., Va?vra, E. M. T., Puccio, F., De Mori, Banerjee, S. w., and H. H. F., Choi

Subjects
form factor, (0charm) [final state], High Energy Physics::Phenomenology, annihilation [electron positron], PACS: 13.20.He, 12.15.Hh, 12.38.Qk, 14.40.Nd, momentum transfer dependence, 10.58 GeV-cms, SLAC PEP Stor, HEP, High Energy Physics - Experiment, pair production [B], CKM matrix, BaBar, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ddc:530, branching ratio: measured [B+], High Energy Physics::Experiment, +omega%28783%29+lepton%2B+neutrino%22">B+ --> omega(783) lepton+ neutrino, semileptonic decay [B+], experimental results
Abstract

We report a measurement of the branching fraction of the exclusive charmless semileptonic decay B+ --> omega l+ nu, where l is either an electron or a muon. We use samples of B+ mesons tagged by a reconstructed charmed semileptonic decay of the other B meson in the event. The measurement is based on a dataset of 426.1 fb-1 of e+e- collisions at a center-of-mass energy of 10.58 GeV recorded with the BABAR detector at the PEP-II asymmetric-energy e+e- storage rings. We measure a branching fraction of BF(B+ --> omega l+ nu) = (1.35 +/- 0.21 +/- 0.11) x 10(-4), where the uncertainties are statistical and systematic, respectively. We also present measurements of the partial branching fractions in three bins of q2, the invariant-mass squared of the lepton-neutrino system, and we compare them to theoretical predictions of the form factors., Comment: 8 pages, 3 postscript figures, submitted to Physical Review D

Published
2013

49. Search for B --> K(*) nu nu-bar and invisible quarkonium decays

Author

J. P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, D. N. Brown, L. T. Kerth, Y.u. G. Kolomensky, M. Lee, G. Lynch, H. Koch, T. Schroeder, C. Hearty, T. S. Mattison, J. A. McKenna, R. Y. So, A. Khan, V. E. Blinov, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Y.u. I. Skovpen, E. P. Solodov, K. Y.u. Todyshev, A. N. Yushkov, D. Kirkby, A. J. Lankford, M. Mandelkern, B. Dey, J. W. Gary, O. Long, G. M. Vitug, C. Campagnari, M. Franco Sevilla, T. M. Hong, D. Kovalskyi, J. D. Richman, C. A. West, A. M. Eisner, W. S. Lockman, A. J. Martinez, B. A. Schumm, A. Seiden, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, P. Ongmongkolkul, F. C. Porter, R. Andreassen, Z. Huard, B. T. Meadows, M. D. Sokoloff, L. Sun, P. C. Bloom, W. T. Ford, A. Gaz, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, B. Spaan, K. R. Schubert, R. Schwierz, D. Bernard, M. Verderi, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, L. Piemontese, V. Santoro, R. Baldini Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, M. Morii, A. Adametz, U. Uwer, H. M. Lacker, P. D. Dauncey, U. Mallik, C. Chen, J. Cochran, W. T. Meyer, S. Prell, A. E. Rubin, A. V. Gritsan, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A. M. Lutz, B. Malaescu, P. Roudeau, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, J. R. Fry, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, J. Bougher, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, R. J. Barlow, G. D. Lafferty, E. Behn, R. Cenci, B. Hamilton, A. Jawahery, D. A. Roberts, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, P. M. Patel, S. H. Robertson, P. Biassoni, N. Neri, F. Palombo, L. Cremaldi, R. Godang, P. Sonnek, D. J. Summers, X. Nguyen, M. Simard, P. Taras, D. Monorchio, G. Onorato, M. Martinelli, G. Raven, C. P. Jessop, J. M. LoSecco, K. Honscheid, R. Kass, J. Brau, R. Frey, N. B. Sinev, D. Strom, E. Torrence, E. Feltresi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben Haim, M. Bomben, G. R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, P.h. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J. J. Walsh, D. Lopes Pegna, J. Olsen, A. J. S. Smith, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, G. Piredda, C. B?nger, O. Gr?nberg, T. Hartmann, T. Leddig, C. Vo?, R. Waldi, T. Adye, E. O. Olaiya, F. F. Wilson, S. Emery, G. Hamel de Monchenault, G. Vasseur, C.h. Y?che, F. Anulli, D. Aston, D. J. Bard, J. F. Benitez, C. Cartaro, M. R. Convery, J. Dorfan, G. P. Dubois Felsmann, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, A. M. Gabareen, M. T. Graham, C. Hast, W. R. Innes, P. Kim, M. L. Kocian, D. W. G. S. Leith, P. Lewis, D. Lindemann, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, D. R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, A. Snyder, D. Su, M. K. Sullivan, J. Va?vra, A. P. Wagner, W. F. Wang, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, V. Ziegler, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, A. Randle Conde, S. J. Sekula, M. Bellis, P. R. Burchat, T. S. Miyashita, E. M. T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, A. M. Ruland, R. F. Schwitters, B. C. Wray, J. M. Izen, X. C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, S. Zambito, L. Lanceri, L. Vitale, F. Martinez Vidal, A. Oyanguren, P. Villanueva Perez, H. Ahmed, J. Albert, S.w. Banerjee, F. U. Bernlochner, H. H. F. Choi, G. J. King, R. Kowalewski, M. J. Lewczuk, T. Lueck, I. M. Nugent, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, H. R. Band, S. Dasu, Y. Pan, R. Prepost, S. L. Wu, DE NARDO, GUGLIELMO, SCIACCA, CRISOSTOMO, J. P., Lee, V., Poireau, V., Tisserand, E., Grauge, A., Palano, G., Eigen, B., Stugu, D. N., Brown, L. T., Kerth, Kolomensky, Y. u. G., M., Lee, G., Lynch, H., Koch, T., Schroeder, C., Hearty, T. S., Mattison, J. A., Mckenna, R. Y., So, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Skovpen, Y. u. I., E. P., Solodov, Todyshev, K. Y. u., A. N., Yushkov, D., Kirkby, A. J., Lankford, M., Mandelkern, B., Dey, J. W., Gary, O., Long, G. M., Vitug, C., Campagnari, M., Franco Sevilla, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, W. S., Lockman, A. J., Martinez, B. A., Schumm, A., Seiden, D. S., Chao, C. H., Cheng, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, R., Andreassen, Z., Huard, B. T., Meadow, M. D., Sokoloff, L., Sun, P. C., Bloom, W. T., Ford, A., Gaz, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, K. R., Schubert, R., Schwierz, D., Bernard, M., Verderi, S., Playfer, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, L., Piemontese, V., Santoro, R., Baldini Ferroli, A., Calcaterra, R., de Sangro, G., Finocchiaro, S., Martellotti, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M., Lo Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, M., Morii, A., Adametz, U., Uwer, H. M., Lacker, P. D., Dauncey, U., Mallik, C., Chen, J., Cochran, W. T., Meyer, S., Prell, A. E., Rubin, A. V., Gritsan, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F., Le Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F., Di Lodovico, R., Sacco, G., Cowan, J., Bougher, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, K., Griessinger, A., Hafner, E., Prencipe, R. J., Barlow, G. D., Lafferty, E., Behn, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, R., Cowan, D., Dujmic, G., Sciolla, R., Cheaib, P. M., Patel, S. H., Robertson, P., Biassoni, N., Neri, F., Palombo, L., Cremaldi, R., Godang, P., Sonnek, D. J., Summer, X., Nguyen, M., Simard, P., Tara, DE NARDO, Guglielmo, D., Monorchio, G., Onorato, Sciacca, Crisostomo, M., Martinelli, G., Raven, C. P., Jessop, J. M., Losecco, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, G., Simi, F., Simonetto, R., Stroili, S., Akar, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, Leruste, P. h., G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, S., Pacetti, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, A., Lusiani, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D., Lopes Pegna, J., Olsen, A. J. S., Smith, R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L., Li Gioi, G., Piredda, C., B?nger, O., Gr?nberg, T., Hartmann, T., Leddig, C., Vo?, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G., Hamel de Monchenault, G., Vasseur, Y?che, C. h., F., Anulli, D., Aston, D. J., Bard, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, M., Ebert, R. C., Field, B. G., Fulsom, A. M., Gabareen, M. T., Graham, C., Hast, W. R., Inne, P., Kim, M. L., Kocian, D. W. G. S., Leith, P., Lewi, D., Lindemann, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va?vra, A. P., Wagner, W. F., Wang, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, E. M. T., Puccio, M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, S. M., Spanier, J. L., Ritchie, A. M., Ruland, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, F., De Mori, A., Filippi, D., Gamba, S., Zambito, L., Lanceri, L., Vitale, F., Martinez Vidal, A., Oyanguren, P., Villanueva Perez, H., Ahmed, J., Albert, Banerjee, S. w., F. U., Bernlochner, H. H. F., Choi, G. J., King, R., Kowalewski, M. J., Lewczuk, T., Lueck, I. M., Nugent, J. M., Roney, R. J., Sobie, N., Tasneem, T. J., Gershon, P. F., Harrison, T. E., Latham, H. R., Band, S., Dasu, Y., Pan, R., Prepost, and S. L., Wu

Published
2013

50. Study of e^{+}e^{-}→pp[over ¯] via initial-state radiation at BABAR

Author

J. P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, D. N. Brown, L. T. Kerth, Y.u. G. Kolomensky, G. Lynch, H. Koch, T. Schroeder, D. J. Asgeirsson, C. Hearty, T. S. Mattison, J. A. McKenna, R. Y. So, A. Khan, V. E. Blinov, A. R. Buzykaev, V. P. Druzhinin, V. B. Golubev, E. A. Kravchenko, A. P. Onuchin, S. I. Serednyakov, Y.u. I. Skovpen, E. P. Solodov, K. Y.u. Todyshev, A. N. Yushkov, D. Kirkby, A. J. Lankford, M. Mandelkern, B. Dey, J. W. Gary, O. Long, G. M. Vitug, C. Campagnari, M. Franco Sevilla, T. M. Hong, D. Kovalskyi, J. D. Richman, C. A. West, A. M. Eisner, W. S. Lockman, A. J. Martinez, B. A. Schumm, A. Seiden, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, P. Ongmongkolkul, F. C. Porter, A. Y. Rakitin, R. Andreassen, Z. Huard, B. T. Meadows, M. D. Sokoloff, L. Sun, P. C. Bloom, W. T. Ford, A. Gaz, U. Nauenberg, J. G. Smith, S. R. Wagner, R. Ayad, W. H. Toki, B. Spaan, K. R. Schubert, R. Schwierz, D. Bernard, M. Verderi, P. J. Clark, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, L. Piemontese, V. Santoro, R. Baldini Ferroli, A. Calcaterra, R. de Sangro, G. Finocchiaro, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M. R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, M. Morii, A. Adametz, U. Uwer, H. M. Lacker, T. Lueck, P. D. Dauncey, U. Mallik, C. Chen, J. Cochran, W. T. Meyer, S. Prell, A. E. Rubin, A. V. Gritsan, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A. M. Lutz, B. Malaescu, P. Roudeau, M. H. Schune, A. Stocchi, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, J. R. Fry, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, M. Sigamani, G. Cowan, C. L. Davis, A. G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, R. J. Barlow, G. D. Lafferty, E. Behn, R. Cenci, B. Hamilton, A. Jawahery, D. A. Roberts, C. Dallapiccola, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, P. M. Patel, S. H. Robertson, P. Biassoni, N. Neri, F. Palombo, L. Cremaldi, R. Godang, R. Kroeger, P. Sonnek, D. J. Summers, X. Nguyen, M. Simard, P. Taras, G. De Nardo, D. Monorchio, G. Onorato, C. Sciacca, M. Martinelli, G. Raven, C. P. Jessop, J. M. LoSecco, K. Honscheid, R. Kass, J. Brau, R. Frey, N. B. Sinev, D. Strom, E. Torrence, E. Feltresi, N. Gagliardi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben Haim, M. Bomben, G. R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, O. Hamon, P.h. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J. J. Walsh, D. Lopes Pegna, J. Olsen, A. J. S. Smith, F. Anulli, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, M. A. Mazzoni, G. Piredda, C. Bünger, O. Grünberg, T. Hartmann, T. Leddig, C. Voß, R. Waldi, T. Adye, E. O. Olaiya, F. F. Wilson, S. Emery, G. Hamel de Monchenault, G. Vasseur, C.h. Yèche, D. Aston, D. J. Bard, J. F. Benitez, C. Cartaro, M. R. Convery, J. Dorfan, G. P. Dubois Felsmann, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, A. M. Gabareen, M. T. Graham, C. Hast, W. R. Innes, M. H. Kelsey, P. Kim, M. L. Kocian, D. W. G. S. Leith, P. Lewis, D. Lindemann, B. Lindquist, S. Luitz, V. Luth, H. L. Lynch, D. B. MacFarlane, D. R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B. N. Ratcliff, A. Roodman, A. A. Salnikov, R. H. Schindler, A. Snyder, D. Su, M. K. Sullivan, J. Va’vra, A. P. Wagner, W. F. Wang, W. J. Wisniewski, M. Wittgen, D. H. Wright, H. W. Wulsin, V. Ziegler, W. Park, M. V. Purohit, R. M. White, J. R. Wilson, A. Randle Conde, S. J. Sekula, M. Bellis, P. R. Burchat, T. S. Miyashita, E. M. T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, A. M. Ruland, R. F. Schwitters, B. C. Wray, J. M. Izen, X. C. Lou, F. Bianchi, D. Gamba, S. Zambito, F. Martinez Vidal, A. Oyanguren, P. Villanueva Perez, H. Ahmed, J. Albert, S.w. Banerjee, F. U. Bernlochner, H. H. F. Choi, G. J. King, R. Kowalewski, M. J. Lewczuk, I. M. Nugent, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, H. R. Band, S. Dasu, Y. Pan, R. Prepost, S. L. Wu, LANCERI, LIVIO, VITALE, LORENZO, J. P., Lee, V., Poireau, V., Tisserand, E., Grauge, A., Palano, G., Eigen, B., Stugu, D. N., Brown, L. T., Kerth, Kolomensky, Y. u. G., G., Lynch, H., Koch, T., Schroeder, D. J., Asgeirsson, C., Hearty, T. S., Mattison, J. A., Mckenna, R. Y., So, A., Khan, V. E., Blinov, A. R., Buzykaev, V. P., Druzhinin, V. B., Golubev, E. A., Kravchenko, A. P., Onuchin, S. I., Serednyakov, Skovpen, Y. u. I., E. P., Solodov, Todyshev, K. Y. u., A. N., Yushkov, D., Kirkby, A. J., Lankford, M., Mandelkern, B., Dey, J. W., Gary, O., Long, G. M., Vitug, C., Campagnari, M., Franco Sevilla, T. M., Hong, D., Kovalskyi, J. D., Richman, C. A., West, A. M., Eisner, W. S., Lockman, A. J., Martinez, B. A., Schumm, A., Seiden, D. S., Chao, C. H., Cheng, B., Echenard, K. T., Flood, D. G., Hitlin, P., Ongmongkolkul, F. C., Porter, A. Y., Rakitin, R., Andreassen, Z., Huard, B. T., Meadow, M. D., Sokoloff, L., Sun, P. C., Bloom, W. T., Ford, A., Gaz, U., Nauenberg, J. G., Smith, S. R., Wagner, R., Ayad, W. H., Toki, B., Spaan, K. R., Schubert, R., Schwierz, D., Bernard, M., Verderi, P. J., Clark, S., Playfer, D., Bettoni, C., Bozzi, R., Calabrese, G., Cibinetto, E., Fioravanti, I., Garzia, E., Luppi, L., Piemontese, V., Santoro, R., Baldini Ferroli, A., Calcaterra, R., de Sangro, G., Finocchiaro, P., Patteri, I. M., Peruzzi, M., Piccolo, M., Rama, A., Zallo, R., Contri, E., Guido, M., Lo Vetere, M. R., Monge, S., Passaggio, C., Patrignani, E., Robutti, B., Bhuyan, V., Prasad, M., Morii, A., Adametz, U., Uwer, H. M., Lacker, T., Lueck, P. D., Dauncey, U., Mallik, C., Chen, J., Cochran, W. T., Meyer, S., Prell, A. E., Rubin, A. V., Gritsan, N., Arnaud, M., Davier, D., Derkach, G., Grosdidier, F., Le Diberder, A. M., Lutz, B., Malaescu, P., Roudeau, M. H., Schune, A., Stocchi, G., Wormser, D. J., Lange, D. M., Wright, J. P., Coleman, J. R., Fry, E., Gabathuler, D. E., Hutchcroft, D. J., Payne, C., Touramani, A. J., Bevan, F., Di Lodovico, R., Sacco, M., Sigamani, G., Cowan, C. L., Davi, A. G., Denig, M., Fritsch, W., Gradl, K., Griessinger, A., Hafner, E., Prencipe, R. J., Barlow, G. D., Lafferty, E., Behn, R., Cenci, B., Hamilton, A., Jawahery, D. A., Robert, C., Dallapiccola, R., Cowan, D., Dujmic, G., Sciolla, R., Cheaib, P. M., Patel, S. H., Robertson, P., Biassoni, N., Neri, F., Palombo, L., Cremaldi, R., Godang, R., Kroeger, P., Sonnek, D. J., Summer, X., Nguyen, M., Simard, P., Tara, G., De Nardo, D., Monorchio, G., Onorato, C., Sciacca, M., Martinelli, G., Raven, C. P., Jessop, J. M., Losecco, K., Honscheid, R., Ka, J., Brau, R., Frey, N. B., Sinev, D., Strom, E., Torrence, E., Feltresi, N., Gagliardi, M., Margoni, M., Morandin, M., Posocco, M., Rotondo, G., Simi, F., Simonetto, R., Stroili, S., Akar, E., Ben Haim, M., Bomben, G. R., Bonneaud, H., Briand, G., Calderini, J., Chauveau, O., Hamon, Leruste, P. h., G., Marchiori, J., Ocariz, S., Sitt, M., Biasini, E., Manoni, S., Pacetti, A., Rossi, C., Angelini, G., Batignani, S., Bettarini, M., Carpinelli, G., Casarosa, A., Cervelli, F., Forti, M. A., Giorgi, A., Lusiani, B., Oberhof, E., Paoloni, A., Perez, G., Rizzo, J. J., Walsh, D., Lopes Pegna, J., Olsen, A. J. S., Smith, F., Anulli, R., Faccini, F., Ferrarotto, F., Ferroni, M., Gaspero, L., Li Gioi, M. A., Mazzoni, G., Piredda, C., Bünger, O., Grünberg, T., Hartmann, T., Leddig, C., Voß, R., Waldi, T., Adye, E. O., Olaiya, F. F., Wilson, S., Emery, G., Hamel de Monchenault, G., Vasseur, Yèche, C. h., D., Aston, D. J., Bard, J. F., Benitez, C., Cartaro, M. R., Convery, J., Dorfan, G. P., Dubois Felsmann, W., Dunwoodie, M., Ebert, R. C., Field, B. G., Fulsom, A. M., Gabareen, M. T., Graham, C., Hast, W. R., Inne, M. H., Kelsey, P., Kim, M. L., Kocian, D. W. G. S., Leith, P., Lewi, D., Lindemann, B., Lindquist, S., Luitz, V., Luth, H. L., Lynch, D. B., Macfarlane, D. R., Muller, H., Neal, S., Nelson, M., Perl, T., Pulliam, B. N., Ratcliff, A., Roodman, A. A., Salnikov, R. H., Schindler, A., Snyder, D., Su, M. K., Sullivan, J., Va’Vra, A. P., Wagner, W. F., Wang, W. J., Wisniewski, M., Wittgen, D. H., Wright, H. W., Wulsin, V., Ziegler, W., Park, M. V., Purohit, R. M., White, J. R., Wilson, A., Randle Conde, S. J., Sekula, M., Belli, P. R., Burchat, T. S., Miyashita, E. M. T., Puccio, M. S., Alam, J. A., Ernst, R., Gorodeisky, N., Guttman, D. R., Peimer, A., Soffer, S. M., Spanier, J. L., Ritchie, A. M., Ruland, R. F., Schwitter, B. C., Wray, J. M., Izen, X. C., Lou, F., Bianchi, D., Gamba, S., Zambito, Lanceri, Livio, Vitale, Lorenzo, F., Martinez Vidal, A., Oyanguren, P., Villanueva Perez, H., Ahmed, J., Albert, Banerjee, S. w., F. U., Bernlochner, H. H. F., Choi, G. J., King, R., Kowalewski, M. J., Lewczuk, I. M., Nugent, J. M., Roney, R. J., Sobie, N., Tasneem, T. J., Gershon, P. F., Harrison, T. E., Latham, H. R., Band, S., Dasu, Y., Pan, R., Prepost, and S. L., Wu

Subjects
Hadron production in e-e+ interaction, Hadron production in e-e+ interactions, Electromagnetic form factors, Protons and neutrons, Decays of J/psi Upsilon and other quarkonia, Electromagnetic form factor
Abstract

The process e+e-→pp¯γ is studied using 469fb-1 of integrated luminosity collected with the BABAR detector at the SLAC National Accelerator Laboratory, at an e+e- center-of-mass energy of 10.6 GeV. From the analysis of the pp¯ invariant mass spectrum, the energy dependence of the cross section for e+e-→pp¯ is measured from threshold to 4.5 GeV. The energy dependence of the ratio of electric and magnetic form factors, |GE/GM|, and the asymmetry in the proton angular distribution are measured for pp¯ masses below 3 GeV. The branching fractions for the decays J/ψ→pp¯ and ψ(2S)→pp¯ are also determined.

Published
2013

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