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Using 281 /pb of e^+ e^- collisions recorded at the psi(3770) resonance with the CLEO-c detector at CESR, we determine absolute hadronic branching fractions of charged and neutral D mesons using a double tag technique. Among measurements…

High Energy Physics - Experiment · Physics 2010-04-08 CLEO Collaboration , S. Dobbs

Using the CLEO III detector, we measure absolute cross sections for e+e- -> hadrons at seven center-of-mass energies between 6.964 and 10.538 GeV. R, the ratio of hadronic and muon pair production cross sections, is measured at these…

High Energy Physics - Experiment · Physics 2008-11-26 Sheldon Stone

The ep -> e'pi^+n reaction was studied in the first and second nucleon resonance regions in the 0.25 GeV^2 < Q^2 < 0.65 GeV^2 range using the CLAS detector at Thomas Jefferson National Accelerator Facility. For the first time the absolute…

The cross section of the process e^+e^-\to \pi^+\pi^- was measured in the SND experiment at the VEPP-2M collider in the energy region 400<\sqrt[]{s}<1000 MeV. This measurement was based on about 12.4 \times 10^6 selected collinear events,…

We have measured the cross section $\sigma(e^+e^-\to\pi^+\pi^-\gamma(\gamma))$ at DA$\Phi$NE, the Frascati \phi-factory, using events with initial state radiation photons emitted at small angle and inclusive of final state radiation. We…

High Energy Physics - Experiment · Physics 2012-08-27 KLOE Collaboration

Two-photon processes in electron-positron collisions of the form $e^+e^-\to e^+e^-X$ are a well-established tool for probing hadronic structure and provide a direct access to non-vector states in $e^+e^-$ collisions. Collisions of quasi…

High Energy Physics - Experiment · Physics 2025-05-20 Max Lellmann

We report preliminary measurements of absolute hadronic branching fractions of Ds mesons determined using a double tag technique. These measurements are from 195 pb^{-1} of e+e- collisions recorded at center of mass energies near 4.17 GeV…

High Energy Physics - Experiment · Physics 2007-05-23 N. Adam , CLEO Collaboration

We have measured the ratio $\sigma(e^+e^-\rightarrow\pi^+\pi^-\gamma)/\sigma(e^+e^-\rightarrow \mu^+\mu^-\gamma)$, with the KLOE detector at DA$\Phi$NE for a total integrated luminosity of $\sim$ 240 pb$^{-1}$. From this ratio we obtain the…

The total hadronic cross-section for the interaction of real photons is extracted from a measurement of the cross-section of the process e+e->e+e- + hadrons using a luminosity function for the photon flux and form factors for extrapolating…

High Energy Physics - Experiment · Physics 2009-10-30 Frank Waeckerle

In Phys. Lett. B 753, 629-638 (2016) [arXiv:1507.08188] the BESIII collaboration published a cross section measurement of the process $e^+e^-\to \pi^+ \pi^-$ in the energy range between 600 and 900 MeV. In this erratum we report a corrected…

High Energy Physics - Experiment · Physics 2021-01-12 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , S. Ahmed , M. Albrecht , R. Aliberti , A. Amoroso , Q. An , X. H. Bai , Y. Bai , O. Bakina , R. Baldini Ferroli , I. Balossino , Y. Ban , K. Begzsuren , N. Berger , M. Bertani , D. Bettoni , F. Bianchi , J Biernat , J. Bloms , A. Bortone , I. Boyko , R. A. Briere , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. F. Chang , W. L. Chang , G. Chelkov , D. Y. Chen , G. Chen , H. S. Chen , M. L. Chen , S. J. Chen , X. R. Chen , Y. B. Chen , Z. J Chen , W. S. Cheng , G. Cibinetto , F. Cossio , X. F. Cui , H. L. Dai , X. C. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , Y. Ding , C. Dong , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , S. X. Du , J. Fang , S. S. Fang , Y. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , M. Fritsch , C. D. Fu , Y. Fu , Y. Gao , Y. Gao , Y. Gao , Y. G. Gao , I. Garzia , E. M. Gersabeck , A. Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , M. Greco , L. M. Gu , M. H. Gu , S. Gu , Y. T. Gu , C. Y Guan , A. Q. Guo , L. B. Guo , R. P. Guo , Y. P. Guo , A. Guskov , T. T. Han , X. Q. Hao , F. A. Harris , K. L. He , F. H. Heinsius , C. H. Heinz , T. Held , Y. K. Heng , C. Herold , M. Himmelreich , T. Holtmann , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , L. Q. Huang , X. T. Huang , Y. P. Huang , Z. Huang , N. Huesken , T. Hussain , W. Ikegami Andersson , W. Imoehl , M. Irshad , S. Jaeger , S. Janchiv , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , H. B. Jiang , X. S. Jiang , X. Y. Jiang , J. B. Jiao , Z. Jiao , S. Jin , Y. Jin , T. Johansson , N. Kalantar-Nayestanaki , X. S. Kang , R. Kappert , M. Kavatsyuk , B. C. Ke , I. K. Keshk , A. Khoukaz , P. Kiese , R. Kiuchi , R. Kliemt , L. Koch , O. B. Kolcu , B. Kopf , M. Kuemmel , M. Kuessner , A. Kupsc , M. G. Kurth , W. Kühn , J. J. Lane , J. S. Lange , P. Larin , A. Lavania , L. Lavezzi , Z. H. Lei , H. Leithoff , M. Lellmann , T. Lenz , C. Li , C. H. Li , Cheng Li , D. M. Li , F. Li , G. Li , H. Li , H. Li , H. B. Li , H. J. Li , J. L. Li , J. Q. Li , Ke Li , L. K. Li , Lei Li , P. L. Li , P. R. Li , S. Y. Li , W. D. Li , W. G. Li , X. H. Li , X. L. Li , Z. Y. Li , H. Liang , H. Liang , Y. F. Liang , Y. T. Liang , L. Z. Liao , J. Libby , C. X. Lin , B. J. Liu , C. X. Liu , D. Liu , F. H. Liu , Fang Liu , Feng Liu , H. B. Liu , H. M. Liu , Huanhuan Liu , Huihui Liu , J. B. Liu , J. Y. Liu , K. Liu , K. Y. Liu , Ke Liu , L. Liu , M. H. Liu , Q. Liu , S. B. Liu , Shuai Liu , T. Liu , W. M. Liu , X. Liu , Y. B. Liu , Z. A. Liu , Z. Q. Liu , X. C. Lou , F. X. Lu , H. J. Lu , J. D. Lu , J. G. Lu , X. L. Lu , Y. Lu , Y. P. Lu , C. L. Luo , M. X. Luo , P. W. Luo , T. Luo , X. L. Luo , S. Lusso , X. R. Lyu , F. C. Ma , H. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , R. Q. Ma , R. T. Ma , X. N. Ma , X. X. Ma , X. Y. Ma , F. E. Maas , M. Maggiora , S. Maldaner , S. Malde , Q. A. Malik , A. Mangoni , Y. J. Mao , Z. P. Mao , S. Marcello , Z. X. Meng , J. G. Messchendorp , G. Mezzadri , T. J. Min , R. E. Mitchell , X. H. Mo , Y. J. Mo , N. Yu. Muchnoi , H. Muramatsu , S. Nakhoul , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , P. Patteri , M. Pelizaeus , H. P. Peng , K. Peters , J. Pettersson , J. L. Ping , R. G. Ping , A. Pitka , R. Poling , V. Prasad , H. Qi , H. R. Qi , K. H. Qi , M. Qi , T. Y. Qi , T. Y. Qi , S. Qian , W. -B. Qian , Z. Qian , C. F. Qiao , L. Q. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , S. Q. Qu , K. H. Rashid , K. Ravindran , C. F. Redmer , A. Rivetti , V. Rodin , M. Rolo , G. Rong , Ch. Rosner , M. Rump , H. S. Sang , A. Sarantsev , Y. Schelhaas , C. Schnier , K. Schoenning , M. Scodeggio , D. C. Shan , W. Shan , X. Y. Shan , M. Shao , C. P. Shen , P. X. Shen , X. Y. Shen , H. C. Shi , R. S. Shi , X. Shi , X. D Shi , W. M. Song , Y. X. Song , S. Sosio , S. Spataro , K. X. Su , F. F. Sui , G. X. Sun , H. K. Sun , J. F. Sun , L. Sun , S. S. Sun , T. Sun , W. Y. Sun , X Sun , Y. J. Sun , Y. K. Sun , Y. Z. Sun , Z. T. Sun , Y. H. Tan , Y. X. Tan , C. J. Tang , G. Y. Tang , J. Tang , J. X. Teng , V. Thoren , I. Uman , C. W. Wang , D. Y. Wang , H. P. Wang , K. Wang , L. L. Wang , M. Wang , M. Z. Wang , Meng Wang , W. H. Wang , W. P. Wang , X. Wang , X. F. Wang , X. L. Wang , Y. Wang , Y. Wang , Y. D. Wang , Y. F. Wang , Y. Q. Wang , Z. Wang , Z. Y. Wang , Ziyi Wang , Zongyuan Wang , D. H. Wei , P. Weidenkaff , F. Weidner , S. P. Wen , D. J. White , U. Wiedner , G. Wilkinson , M. Wolke , L. Wollenberg , J. F. Wu , L. H. Wu , L. J. Wu , X. Wu , Z. Wu , L. Xia , H. Xiao , S. Y. Xiao , Y. J. Xiao , Z. J. Xiao , X. H. Xie , Y. G. Xie , Y. H. Xie , T. Y. Xing , G. F. Xu , J. J. Xu , Q. J. Xu , W. Xu , X. P. Xu , F. Yan , L. Yan , L. Yan , W. B. Yan , W. C. Yan , Xu Yan , H. J. Yang , H. X. Yang , L. Yang , R. X. Yang , S. L. Yang , S. L. Yang , Y. H. Yang , Y. X. Yang , Yifan Yang , Zhi Yang , M. Ye , M. H. Ye , J. H. Yin , Z. Y. You , B. X. Yu , C. X. Yu , G. Yu , J. S. Yu , T. Yu , C. Z. Yuan , L. Yuan , W. Yuan , X. Q. Yuan , Y. Yuan , Z. Y. Yuan , C. X. Yue , A. Yuncu , A. A. Zafar , Y. Zeng , B. X. Zhang , Guangyi Zhang , H. Zhang , H. H. Zhang , H. Y. Zhang , J. J. Zhang , J. L. Zhang , J. Q. Zhang , J. W. Zhang , J. Y. Zhang , J. Z. Zhang , Jianyu Zhang , Jiawei Zhang , Lei Zhang , S. Zhang , S. F. Zhang , Shulei Zhang , X. D. Zhang , X. Y. Zhang , Y. Zhang , Y. H. Zhang , Y. T. Zhang , Yan Zhang , Yao Zhang , Yi Zhang , Z. H. Zhang , Z. Y. Zhang , G. Zhao , J. Zhao , J. Y. Zhao , J. Z. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , Q. Zhao , S. J. Zhao , Y. B. Zhao , Y. X. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , Y. Zheng , Y. H. Zheng , B. Zhong , C. Zhong , L. P. Zhou , Q. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , A. N. Zhu , J. Zhu , K. Zhu , K. J. Zhu , S. H. Zhu , T. J. Zhu , W. J. Zhu , X. L. Zhu , Y. C. Zhu , Z. A. Zhu , B. S. Zou , J. H. Zou

A precise measurement of the cross section for the process e+e- --> K+K-(gamma) from threshold to an energy of 5 GeV is obtained with the initial-state radiation (ISR) method using 232 fb^{-1} of data collected with the BaBar detector at…

High Energy Physics - Experiment · Physics 2013-09-04 The BaBar Collaboration , J. P. Lees , others

We present recent results obtained by the KLOE-2 Collaboration at the DAPHNE e+e- collider. The first class of results concerns search for dark forces at the scale of 1 GeV in associated production of gamma and the U boson, in search for…

High Energy Physics - Experiment · Physics 2016-12-26 Wojciech Wislicki

The reaction e+e- -> e+e- gamma* gamma* -> e+e- hadrons for quasi-real photons is studied using data from root(s) = 183 GeV up to 202 GeV. Results on the total cross sections sigma(e+e- -> e+e- hadrons) and sigma(+e- gamma* gamma* -> e+e-…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

Using the CLEO III detector, we measure absolute cross sections for e+e- --> hadrons at seven center-of-mass energies between 6.964 and 10.538 GeV. The values of R, the ratio of hadronic and muon pair production cross sections, are…

High Energy Physics - Experiment · Physics 2010-04-08 D. Besson , CLEO Collaboration

Possible oblique effects from vector particles that are strongly coupled to the known gauge bosons are calculated for the case of final hadronic states produced at future $e^+e^-$ colliders, using a formalism that was recently proposed and…

High Energy Physics - Phenomenology · Physics 2019-08-17 J. Layssac , F. M. Renard , C. Verzegnassi

By analyzing the data sets of 17.3, 6.5 and 1.0 pb$^{-1}$ taken, respectively, at $\sqrt s= 3.773$, 3.650 and 3.6648 GeV with the BES-II detector at the BEPC collider, we measure the observed cross sections for $e^+e^-\to…

High Energy Physics - Experiment · Physics 2012-08-27 BES Collaboration

Expounded are the parameter measurement for narrow resonance and determination of corresponding luminosity at e+e- collider. The detailed theoretical formulas are compiled and the crucial experimental effects on observed cross section are…

High Energy Physics - Experiment · Physics 2009-07-07 P. Wang , Y. S. Zhu , X. H. Mo

The efforts to improve on the precision of the measurement and theoretical prediction of the anomalous magnetic moment of the muon a_mu have turned into a test of our understanding of the hadronic contribution to vacuum polarisation. I…

High Energy Physics - Experiment · Physics 2022-03-02 Denis Bernard

We present flux-averaged charged-current $\nu_\mu$ cross-section measurements on argon for final states containing exactly one $\pi^\pm$ and no other hadrons except nucleons. The analysis uses data from the MicroBooNE experiment in the…

High Energy Physics - Experiment · Physics 2026-02-12 MicroBooNE collaboration , P. Abratenko , D. Andrade Aldana , L. Arellano , J. Asaadi , A. Ashkenazi , S. Balasubramanian , B. Baller , A. Barnard , G. Barr , D. Barrow , J. Barrow , V. Basque , J. Bateman , B. Behera , O. Benevides Rodrigues , S. Berkman , A. Bhat , M. Bhattacharya , V. Bhelande , M. Bishai , A. Blake , B. Bogart , T. Bolton , M. B. Brunetti , L. Camilleri , D. Caratelli , F. Cavanna , G. Cerati , A. Chappell , Y. Chen , J. M. Conrad , M. Convery , L. Cooper-Troendle , J. I. Crespo-Anadon , R. Cross , M. Del Tutto , S. R. Dennis , P. Detje , A. Devitt , R. Diurba , Z. Djurcic , K. Duffy , S. Dytman , B. Eberly , P. Englezos , A. Ereditato , J. J. Evans , C. Fang , B. T. Fleming , W. Foreman , D. Franco , A. P. Furmanski , F. Gao , D. Garcia-Gamez , S. Gardiner , G. Ge , S. Gollapinni , E. Gramellini , P. Green , H. Greenlee , L. Gu , W. Gu , R. Guenette , P. Guzowski , L. Hagaman , M. D. Handley , O. Hen , C. Hilgenberg , G. A. Horton-Smith , A. Hussain , B. Irwin , M. S. Ismail , C. James , X. Ji , J. H. Jo , R. A. Johnson , D. Kalra , G. Karagiorgi , W. Ketchum , M. Kirby , T. Kobilarcik , K. Kumar , N. Lane , J. -Y. Li , Y. Li , K. Lin , B. R. Littlejohn , L. Liu , W. C. Louis , X. Luo , T. Mahmud , N. Majeed , C. Mariani , J. Marshall , N. Martinez , D. A. Martinez Caicedo , S. Martynenko , A. Mastbaum , I. Mawby , N. McConkey , L. Mellet , J. Mendez , J. Micallef , T. Mohayai , A. Mogan , M. Mooney , A. F. Moor , C. D. Moore , L. Mora Lepin , M. M. Moudgalya , S. Mulleria Babu , D. Naples , A. Navrer-Agasson , N. Nayak , M. Nebot-Guinot , C. Nguyen , J. Nowak , N. Oza , O. Palamara , N. Pallat , V. Paolone , A. Papadopoulou , V. Papavassiliou , H. Parkinson , S. F. Pate , N. Patel , Z. Pavlovic , E. Piasetzky , K. Pletcher , I. Pophale , X. Qian , J. L. Raaf , V. Radeka , A. Rafique , M. Reggiani-Guzzo , J. Rodriguez Rondon , M. Rosenberg , M. Ross-Lonergan , I. Safa , D. W. Schmitz , A. Schukraft , W. Seligman , M. H. Shaevitz , R. Sharankova , J. Shi , A. Smith , E. L. Snider , S. Soldner-Rembold , J. Spitz , M. Stancari , J. St. John , T. Strauss , A. M. Szelc , N. Taniuchi , K. Terao , C. Thorpe , D. Torbunov , D. Totani , M. Toups , A. Trettin , Y. -T. Tsai , J. Tyler , M. A. Uchida , T. Usher , B. Viren , J. Wang , M. Weber , H. Wei , A. J. White , S. Wolbers , T. Wongjirad , K. Wresilo , W. Wu , E. Yandel , T. Yang , L. E. Yates , H. W. Yu , G. P. Zeller , J. Zennamo , C. Zhang