Related papers: Measuring the Hadronic Cross Section at KLOE using…

Recent Results from the KLOE Experiment at DAPHNE

Recent results from the KLOE experiment at the DAPHNE e+e- collider are presented. KLOE has collected about 500 pb^-1 of data in the years from 2000 to 2002. Preliminary results are obtained using wide samples of the full statistics and…

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

Precise measurement of Gamma(Ks->pi+pi-(gamma))/Gamma(Ks->pi0pi0) with the KLOE detector at DAFNE

Using a sample of over 400 million phi->KsKl decays produced during the years 2001 and 2002 at the DAFNE e+e- collider, the ratio R=Gamma(Ks->pi+pi-(g))/Gamma(Ks->pi0pi0) has been measured with the KLOE detector. The result is…

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

Observation of $e^{+}e^{-} \rightarrow K\bar{K}J/\psi$ at center-of-mass energies from 4.189 to 4.600 GeV

We investigate the process $e^{+}e^{-} \rightarrow K\bar{K}J/\psi$ at center-of-mass energies from 4.189 to 4.600 GeV using 4.7 fb$^{-1}$ of data collected by the BESIII detector at the BEPCII collider. The Born cross sections for the…

High Energy Physics - Experiment · Physics 2018-04-18 BESIII Collaboration , M. Ablikim , M. N. Achasov , S. Ahmed , M. Albrecht , A. Amoroso , F. F. An , Q. An , J. Z. Bai , O. Bakina , R. Baldini Ferroli , Y. Ban , D. W. Bennett , J. V. Bennett , N. Berger , M. Bertani , D. Bettoni , J. M. Bian , F. Bianchi , E. Boger , I. Boyko , R. A. Briere , H. Cai , X. Cai , O. Cakir , A. Calcaterra , G. F. Cao , S. A. Cetin , J. Chai , J. F. Chang , G. Chelkov , G. Chen , H. S. Chen , J. C. Chen , M. L. Chen , P. L. Chen , S. J. Chen , X. R. Chen , Y. B. Chen , X. K. Chu , G. Cibinetto , H. L. Dai , J. P. Dai , A. Dbeyssi , 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 , Z. L. Dou , S. X. Du , P. F. Duan , J. Fang , S. S. Fang , X. Fang , Y. Fang , R. Farinelli , L. Fava , S. Fegan , F. Feldbauer , G. Felici , C. Q. Feng , E. Fioravanti , M. Fritsch , C. D. Fu , Q. Gao , X. L. Gao , Y. Gao , Y. G. Gao , Z. Gao , I. Garzia , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , M. Greco , M. H. Gu , S. Gu , Y. T. Gu , A. Q. Guo , L. B. Guo , R. P. Guo , Y. P. Guo , Z. Haddadi , S. Han , X. Q. Hao , F. A. Harris , K. L. He , X. Q. He , F. H. Heinsius , T. Held , Y. K. Heng , T. Holtmann , Z. L. Hou , C. Hu , H. M. Hu , T. Hu , Y. Hu , G. S. Huang , J. S. Huang , X. T. Huang , X. Z. Huang , Z. L. Huang , T. Hussain , W. Ikegami Andersson , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , X. S. Jiang , X. Y. Jiang , J. B. Jiao , Z. Jiao , D. P. Jin , S. Jin , T. Johansson , A. Julin , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , M. Kavatsyuk , B. C. Ke , T. Khan , P. Kiese , R. Kliemt , L. Koch , O. B. Kolcu , B. Kopf , M. Kornicer , M. Kuemmel , M. Kuhlmann , A. Kupsc , W. Kühn , J. S. Lange , M. Lara , P. Larin , L. Lavezzi , S. Leiber , H. Leithoff , C. Leng , C. Li , Cheng Li , D. M. Li , F. Li , F. Y. Li , G. Li , H. B. Li , H. J. Li , J. C. Li , J. Q. Li , Jin Li , Kang Li , Ke Li , Lei Li , P. L. Li , P. R. Li , Q. Y. Li , T. Li , W. D. Li , W. G. Li , X. L. Li , X. N. Li , X. Q. Li , Z. B. Li , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , D. X. Lin , B. Liu , 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. P. Liu , J. Y. Liu , K. Liu , K. Y. Liu , Ke Liu , L. D. Liu , P. L. Liu , Q. Liu , S. B. Liu , X. Liu , Y. B. Liu , Z. A. Liu , Zhiqing Liu , Y. F. Long , X. C. Lou , H. J. Lu , J. G. Lu , Y. Lu , Y. P. Lu , C. L. Luo , M. X. Luo , T. Luo , X. L. Luo , X. R. Lyu , F. C. Ma , H. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , T. Ma , X. N. Ma , X. Y. Ma , Y. M. Ma , F. E. Maas , M. Maggiora , Q. A. Malik , Y. J. Mao , Z. P. Mao , S. Marcello , J. G. Messchendorp , G. Mezzadri , J. Min , T. J. Min , R. E. Mitchell , X. H. Mo , Y. J. Mo , C. Morales Morales , G. Morello , N. Yu. Muchnoi , H. Muramatsu , P. Musiol , A. Mustafa , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , S. L. Niu , X. Y. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , Y. Pan , M. Papenbrock , P. Patteri , M. Pelizaeus , J. Pellegrino , H. P. Peng , K. Peters , J. Pettersson , J. L. Ping , R. G. Ping , R. Poling , V. Prasad , H. R. Qi , M. Qi , S. Qian , C. F. Qiao , J. J. Qin , N. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , K. H. Rashid , C. F. Redmer , M. Richter , M. Ripka , G. Rong , Ch. Rosner , X. D. Ruan , A. Sarantsev , M. Savrié , C. Schnier , K. Schoenning , W. Shan , M. Shao , C. P. Shen , P. X. Shen , X. Y. Shen , H. Y. Sheng , M. R. Shepherd , J. J. Song , W. M. Song , X. Y. Song , S. Sosio , C. Sowa , S. Spataro , G. X. Sun , J. F. Sun , S. S. Sun , X. H. Sun , Y. J. Sun , Y. K Sun , Y. Z. Sun , Z. J. Sun , Z. T. Sun , C. J. Tang , G. Y. Tang , X. Tang , I. Tapan , M. Tiemens , B. Tsednee , I. Uman , G. S. Varner , B. Wang , B. L. Wang , D. Wang , D. Y. Wang , Dan Wang , K. Wang , L. L. Wang , L. S. Wang , M. Wang , Meng Wang , P. Wang , P. L. Wang , W. P. Wang , X. F. Wang , Y. Wang , Y. D. Wang , Y. F. Wang , Y. Q. Wang , Z. Wang , Z. G. Wang , Z. H. Wang , Z. Y. Wang , Zongyuan Wang , T. Weber , D. H. Wei , P. Weidenkaff , S. P. Wen , U. Wiedner , M. Wolke , L. H. Wu , L. J. Wu , Z. Wu , L. Xia , X. Xia , Y. Xia , D. Xiao , H. Xiao , Y. J. Xiao , Z. J. Xiao , Y. G. Xie , Y. H. Xie , X. A. Xiong , Q. L. Xiu , G. F. Xu , J. J. Xu , L. Xu , Q. J. Xu , Q. N. Xu , X. P. Xu , L. Yan , W. B. Yan , W. C. Yan , Y. H. Yan , H. J. Yang , H. X. Yang , L. Yang , Y. H. Yang , Y. X. Yang , Yifan Yang , M. Ye , M. H. Ye , J. H. Yin , Z. Y. You , B. X. Yu , C. X. Yu , J. S. Yu , C. Z. Yuan , Y. Yuan , A. Yuncu , A. A. Zafar , A. Zallo , Y. Zeng , Z. Zeng , B. X. Zhang , B. Y. Zhang , C. C. Zhang , D. H. Zhang , H. H. Zhang , H. Y. Zhang , J. Zhang , J. L. Zhang , J. Q. Zhang , J. W. Zhang , J. Y. Zhang , J. Z. Zhang , K. Zhang , L. Zhang , S. Q. Zhang , X. Y. Zhang , Y. H. Zhang , Y. T. Zhang , Yang Zhang , Yao Zhang , Yu Zhang , Z. H. Zhang , Z. P. Zhang , Z. Y. Zhang , G. Zhao , J. W. Zhao , J. Y. Zhao , J. Z. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , Q. Zhao , S. J. Zhao , T. C. Zhao , Y. B. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , W. J. Zheng , Y. H. Zheng , B. Zhong , L. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. X. Zhou , J. Zhu , K. Zhu , K. J. Zhu , S. Zhu , S. H. Zhu , X. L. Zhu , Y. C. Zhu , Y. S. Zhu , Z. A. Zhu , J. Zhuang , L. Zotti , B. S. Zou , J. H. Zou

Measurement of the reaction $\gamma p \rightarrow K^ + \Sigma^{\pm}\pi^{\mp}$ at photon energies up to 2.6 GeV

The reactions $\gamma p \rightarrow K^{+}\Sigma^{\pm}\pi^{\mp}$ were studied with the SAPHIR detector using a tagged photon beam at the electron stretcher facility ELSA in Bonn. The decays $\Sigma^{-} \rightarrow n\pi^{-}$ and $\Sigma^{+}…

Nuclear Experiment · Physics 2010-11-04 I. Schulday , R. Lawall , J. Barth , K. -H. Glander , S. Goers , J. Hannappel , N. Jöpen , F. Klein , E. ~Klempt , D. Menze , E. Paul , W. J. Schwille

New results on e+e- -> hadrons exclusive cross sections from experiments with SND detector at VEPP-2M e+e- collider in the energy range sqrt(s)=0.4-1.4 GeV

New results of the e+e- -> pi+pi-, K+K-, K_SK_L, pi0/gamma, eta0/gamma processes cross section measurements are presented. The results are based on the 30 pb^-1 data, accumulated by SND detector at VEPP-2M e+e- collider in the energy range…

High Energy Physics - Experiment · Physics 2009-04-25 S. I. Serednyakov , M. N. Achasov , K. I. Beloborodov , A. G. Bogdanchikov , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , A. A. Korol , S. V. Koshuba , E. V. Pakhtusova , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , Yu. A. Tikhonov , A. V. Vasiljev

Cross section of the processes $e^++e^-\to e^++e^-(\gamma)$, $\to \pi^++\pi^-(\gamma)$, $ \mu^++\mu^-(\gamma)$, $ \gamma+\gamma(\gamma)$ in the energy region 200 MeV $\le 2E\le$ 3 GeV

The cross section for different processes induced by $e^+e^-$ annihilation, in the kinematical limit $\beta_{\mu}\approx\beta_{\pi}=(1-m_{\pi}^2/\epsilon^2)^{1/2}\sim 1$, is calculated taking into account first order corrections to the…

High Energy Physics - Phenomenology · Physics 2008-12-25 E. A. Kuraev , A. I. Ahmadov , S. N. Panov , E. Tomasi-Gustafsson

The production of K+K- pairs in proton-proton collisions below the phi meson threshold

The pp -> ppK+K- reaction was measured below the phi threshold at a beam energy of 2.568 GeV using the COSY-ANKE magnetic spectrometer. By assuming that the four-body phase space is distorted only by the product of two-body final state…

Nuclear Experiment · Physics 2013-07-08 Q. J. Ye , M. Hartmann , D. Chiladze , S. Dymov , A. Dzyuba , H. Gao , R. Gebel , V. Hejny , A. Kacharava , B. Lorentz , D. Mchedlishvili , S. Merzliakov , M. Mielke , S. Mikirtytchiants , H. Ohm , M. Papenbrock , A. Polyanskiy , V. Serdyuk , H. J. Stein , H. Stroeher , S. Trusov , Yu. Valdau , C. Wilkin , P. Wuestner

Hadronic vacuum polarization and vector-meson resonance parameters from ${e^+e^-\to\pi^0\gamma}$

We study the reaction $e^+e^-\to\pi^0\gamma$ based on a dispersive representation of the underlying $\pi^0\to\gamma\gamma^*$ transition form factor. As a first application, we evaluate the contribution of the $\pi^0\gamma$ channel to the…

High Energy Physics - Phenomenology · Physics 2020-10-30 Bai-Long Hoid , Martin Hoferichter , Bastian Kubis

The $\pi N \to e^+e^- N$ reaction close to the vector meson production threshold

The $\pi^-p \to e^+e^- n$ and $\pi^+n \to e^+e^- p$ reaction cross sections are calculated below and in the vicinity of the vector meson ($\rho^0$, $\omega$) production threshold. These processes are largely responsible for the emission of…

Nuclear Theory · Physics 2014-11-18 Madeleine Soyeur , Matthias F. M. Lutz , Bengt Friman

KLOE first results on hadronic physics

The KLOE detector at DAFNE, the Frascati Phi-factory, has collected about 8 millions phi decays in 1999. Measurements of Phi decays into pi0, eta, eta', f0(980), a0(980) and pi+pi-pi0 have been performed with statistical accuracy better…

High Energy Physics - Experiment · Physics 2012-08-27 The KLOE collaboration

Measurement of the Hadronic Cross-Section for the Scattering of Two Virtual Photons at LEP

The interaction of virtual photons is investigated using the reaction e+e- -> e+e- hadrons based on data taken by the OPAL experiment at e+e- centre-of-mass energies sqrt(s_ee)=189-209 GeV, for W>5 GeV and at an average Q^2 of 17.9 GeV^2.…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration , G. Abbiendi

Measurement of the $\mathbf{e^+e^- \rightarrow K_S K_L \pi^0}$ cross section in the energy range $\mathbf{\sqrt{s}=1.3-2.0}$ GeV

The $e^+e^- \rightarrow K_S K_L \pi^0$ cross section is measured in the center-of-mass energy range $\sqrt{s}=1.3-2.0$ GeV. The analysis is based on the data sample with an integrated luminosity of 33.5 pb$^{-1}$ collected with the SND…

High Energy Physics - Experiment · Physics 2018-02-28 M. N. Achasov , V. M. Aulchenko , A. Yu. Barnyakov , K. I. Beloborodov , A. V. Berdyugin , D. E. Berkaev , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , L. V. Kardapoltsev , A. S. Kasaev , A. G. Kharlamov , A. N. Kirpotin , I. A. Koop , L. A. Korneev , A. A. Korol , D. P. Kovrizhin , S. V. Koshuba , A. S. Kupich , N. A. Melnikova , K. A. Martin , A. E. Obrazovsky , A. V. Otboev , E. V. Pakhtusova , K. V. Pugachev , Yu. A. Rogovsky , A. I. Senchenko , S. I. Serednyakov , Z. K. Silagadze , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , I. K. Surin , Yu. V. Usov , A. V. Vasiljev

Reanalysis of Hadronic Cross Section Measurements at CMD-2

The updated results of the precise measurements of the processes e+e-->rho->pi+pi-, e+e-->omega->pi+pi-pi0 and e+e-->phi->KLKS performed by the CMD-2 collaboration are presented. The update appeared necessary due an overestimate of the…

High Energy Physics - Experiment · Physics 2019-08-14 R. R. Akhmetshin , E. V. Anashkin , A. B. Arbuzov , V. Sh. Banzarov , A. Baratt , L. M. Barkov , A. V. Bogdan , A. E. Bondar , D. V. Bondarev , S. I. Eidelman , D. A. Epifanov , G. V. Fedotovich , N. I. Gabyshev , D. A. Gorbachev , A. A. Grebenuk , D. N. Grigoriev , V. W. Hughes , F. V. Ignatov , V. F. Kazanin , B. I. Khazin , P. P. Krokovny , E. A. Kuraev , L. M. Kurdadze , A. S. Kuzmin , Yu. E. Lischenko , I. B. Logashenko , P. A. Lukin , K. Yu. Mikhailov , J. P. Miller , A. I. Milstein , M. A. Nikulin , A. S. Popov , B. L. Roberts , N. I. Root , N. M. Ryskulov , Yu. M. Shatunov , B. A. Shwartz , A. L. Sibidanov , V. A. Sidorov , A. N. Skrinsky , V. P. Smakhtin , E. P. Solodov , P. Yu. Stepanov , J. A. Thompson , A. S. Zaitsev

Simultaneous Measurements of the $p+d\to (A=3) +\pi$ Reactions

A stack of annular detectors made of high purity germanium was used to measure simultaneously $pd\to {^3H} \pi^+$ and $pd\to {^3He} \pi^0$ differential cross sections at beam momenta of 750 MeV/c, 800 MeV/c, and 850 MeV/c over a large…

Nuclear Experiment · Physics 2009-03-20 M. Betigeri , J. Bojowald , A. Budzanowski , A . Chatterjee , J. Ernst , L. Freindl , D. Frekers , W. Garske , K. Grewer , A. Hamacher , J. Ilieva , L. Jarczyk , K. Kilian , S. Kliczewski , W. Klimala , D. Kolev , T. Kutsarova , J. Lieb , H. Machner , A. Magiera , H. Nann , L. Pentchev , H. S. Plendl , D. Protic , B. Razen , P. von Rossen , B. J. Roy , R. Siudak , A. Strzalkowski , R. Tsenov , K. Zwoll

Measurement of \Gamma(\eta -> \pi^+\pi^-\gamma)/\Gamma(\eta -> \pi^+\pi^-\pi^0) with the KLOE Detector

The ratio R_{\eta}=\Gamma(\eta -> \pi^+\pi^-\gamma)/\Gamma(\eta -> \pi^+\pi^-\pi^0) has been measured by analyzing 22 million \phi \to \eta \gamma decays collected by the KLOE experiment at DA\PhiNE, corresponding to an integrated…

High Energy Physics - Experiment · Physics 2012-11-19 D. Babusci , D. Badoni , I. Balwierz-Pytko , G. Bencivenni , C. Bini , C. Bloise , V. Bocci , F. Bossi , P. Branchini , A. Budano , L. Caldeira Balkest , G. Capon , F. Ceradini , P. Ciambrone , E. Czerwinski , E. Dane , E. De Lucia , G. De Robertis , A. De Santis , P. De Simone , A. Di Domenico , C. Di Donato , B. Di Micco , R. Di Salvo , D. Domenici , O. Erriquez , G. Fanizzi , A. Fantini , G. Felici , S. Fiore , P. Franzini , P. Gauzzi , G. Giardina , S. Giovannella , F. Gonnella , E. Graziani , F. Happacher , B. Hoistad , L. Iafolla , M. Jacewicz , T. Johansson , A. Kupsc , J. Lee-Franzini , B. Leverington , F. Loddo , S. Loffredo , G. Mandaglio , M. Martemianov , M. Martini , M. Mascolo , R. Messi , S. Miscetti , G. Morello , D. Moricciani , P. Moskal , F. Nguyen , A. Passeri , V. Patera , I. Prado Longhi , A. Ranieri , C. F. Redmer , P. Santangelo , I. Sarra , M. Schioppa , B. Sciascia , M. Silarski , C. Taccini , L. Tortora , G. Venanzoni , R. Versaci , W. Wislicki , M. Wolke , G. Xu , J. Zdebik

Precise measurement of the e+ e- to pi+ pi- (gamma) cross section with the Initial State Radiation method at BABAR

A precise measurement of the cross section of the process e+ e- to pi+ pi- (gamma) from threshold to an energy of 3 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 2010-04-12 The BABAR Collaboration , B. Aubert

Exclusive production of $\pi^+\pi^-$ and $\pi^0\pi^0$ pairs in photon-photon and in ultrarelativistic heavy ion collisions

The $\gamma\gamma\to\pi\pi$ reactions are discussed. To describe those processes, we include dipion continuum, resonances, high-energy pion-pion rescatterings, $\rho$ meson exchange and pQCD Brodsky-Lepage mechanisms. The cross section for…

High Energy Physics - Phenomenology · Physics 2017-08-23 Mariola Klusek-Gawenda , Antoni Szczurek

Study of the process $e^+e^- \to \eta\pi^0\gamma$ in the energy range $\sqrt{s} = \mbox{1.05-2.00}$ GeV with the SND detector

The process $e^+e^-\to\eta\pi^0\gamma$ is studied in the center-of-mass energy range 1.05-2.00 GeV using data with an integrated luminosity of 94.5 pb$^{-1}$ collected by the SND detector at the VEPP-2000 $e^+e^-$ collider. The…

High Energy Physics - Experiment · Physics 2020-11-06 SND Collaboration , M. N. Achasov , A. Yu. Barnyakov , A. A. Baykov , K. I. Beloborodov , A. V. Berdyugin , D. E. Berkaev , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , A. N. Kirpotin , L. V. Kardapoltsev , A. S. Kasaev , A. G. Kharlamov , I. A. Koop , A. A. Korol , D. P. Kovrizhin , A. S. Kupich , K. A. Martin , N. A. Melnikova , N. Yu. Muchnoy , A. E. Obrazovsky , E. V. Pakhtusova , K. V. Pugachev , D. V. Rabusov , Yu. A. Rogovsky , Y. S. Savchenko , A. I. Senchenko , S. I. Serednyakov , D. N. Shatilov , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , Z. K. Silagadze , I. K. Surin , M. V. Timoshenko , Yu. V. Usov , V. N. Zhabin , V. V. Zhulanov

Study of the $e^+e^-\to K^+K^-$ reaction in the energy range from 2.6 to 8.0 GeV

The $e^+e^-\to K^+K^-$ cross section and charged-kaon electromagnetic form factor are measured in the $e^+e^-$ center-of-mass energy range ($E$) from 2.6 to 8.0 GeV using the initial-state radiation technique with an undetected photon. The…

High Energy Physics - Experiment · Physics 2015-10-28 The BABAR Collaboration

Study of the Decay phi --> pi0 pi0 gamma with the KLOE Detector

We have measured the branching ratio BR(phi --> pi0 pi0 gamma) with the KLOE detector using a sample of ~5x10^7 phi decays. phi mesons are produced at DAFNE, the Frascati phi-factory. We find BR(phi --> pi0 pi0 gamma) = (1.09 +- 0.03 (stat)…

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