Related papers: \phi K^{+}K^{-} production in electron-positron an…

Pomeron, nucleon-resonance, and $(0^+,0^-,1^+)$-meson contributions in $\phi$-meson photoproduction

We investigate the reaction mechanism of the $\phi$-meson photoproduction off the proton target, i.e., $\gamma p\to\phi p$, up to $\sqrt{s}=2.8$ GeV. For this purpose, we employ an effective Lagrangian approach in the tree-level Born…

High Energy Physics - Phenomenology · Physics 2020-01-01 Sang-Ho Kim , Seung-il Nam

Measurement of the $e^+e^- \to K^+ K^- \pi^0$ cross section with the SND detector

The process $e^+e^-\to K^+K^-\pi^0$ is studied with the SND detector at the VEPP-2000 $e^+e^-$ collider. Basing on data with an integrated luminosity of 26.4~pb$^{-1}$ we measure the $e^+e^-\to K^+K^-\pi^0$ cross section in the…

High Energy Physics - Experiment · Physics 2021-01-01 M. N. Achasov , A. Yu. Barnyakov , M. Yu. Barnyakov , A. A. Baykov , K. I. Beloborodov , A. V. Berdyugin , D. E. Berkaev , A. G. Bogdanchikov , A. A. Botov , A. R. Buzykaev , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , L. V. Kardapoltsev , A. G. Kharlamov , A. A. Korol , D. P. Kovrizhin , E. A. Kravchenko , A. S. Kupich , A. P. Lysenko , K. A. Martin , N. Yu. Muchnoy , N. A. Melnikova , A. E. Obrazovsky , A. P. Onuchin , E. V. Pakhtusova , E. A. Perevedentsev , K. V. Pugachev , Y. S. Savchenko , S. I. Serednyakov , P. Yu. Shatunov , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , Z. K. Silagadze , I. K. Surin , Yu. A. Tikhonov , Yu. V. Usov , I. M. Zemlyansky , V. N. Zhabin , V. V. Zhulanov

Radiative return at NLO and the measurement of the hadronic cross-section in electron-positron annihilation

Electron-positron annihilation into hadrons plus an energetic photon from initial state radiation allows the hadronic cross-section to be measured over a wide range of energies. The full next-to-leading order QED corrections for the…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. Rodrigo , H. Czyz , J. H. Kuhn , M. Szopa

Combined analysis of the $K^{+}K^{-}$ interaction using near threshold $pp \to ppK^+K^-$ data

The $K^{+}K^{-}$ final state interaction was investigated based on both the $K^{+}K^{-}$ invariant mass distributions measured at excess energies of Q = 10 and 28 MeV and the near threshold excitation function for the $pp \to ppK^{+}K^{-}$…

High Energy Physics - Phenomenology · Physics 2014-03-18 M. Silarski , P. Moskal

Recent Advances in Hadron Production in $e^+e^-$ Annihilation at BESIII

This talk presents recent experimental findings at BESIII experiment, including three distinct studies. Firstly, it reports the measurements of the Born cross-sections of $e^+e^-\to\Sigma^+\bar\Sigma^-$, $\Xi^-\bar\Xi^+$,…

High Energy Physics - Experiment · Physics 2024-11-12 Xiongfei Wang

K^+ production in p-C-collisions at a beam energy 1.2 GeV

The isobar model and the resonance model are applied for the first analysis of the subthreshold $K^+$-meson production in proton-carbon collisions, which was perfomed at GSI at an emission angle of 40 degrees and a bombarding energy of 1.2…

Nuclear Theory · Physics 2007-05-23 A. Sibirtsev , K. Tsushima , Amand Faessler

e+e- results from BABAR and implications for g-2

The BABAR collaboration has nearly completed a program of precise measurements of the cross sections for the dominant channels of e+e- --> hadrons from threshold to an energy of 3-5 GeV using the initial-state radiation (ISR) method, i.e.…

High Energy Physics - Experiment · Physics 2015-06-15 Michel Davier

Data analysis techniques, differential cross sections, and spin density matrix elements for the reaction $\gamma p \rightarrow \phi p$

High-statistics measurements of differential cross sections and spin density matrix elements for the reaction $\gamma p \to \phi p$ have been made using the CLAS detector at Jefferson Lab. We cover center-of-mass energies ($\sqrt{s}$) from…

Nuclear Experiment · Physics 2014-06-11 B. Dey , C. A. Meyer , M. Bellis , M Williams

Accurate Inverse-Compton Models Strongly Enhance Leptophilic Dark Matter Signals

The annihilation of TeV-scale leptophilic dark matter into electron-positron pairs (hereafter $e^+e^-$) will produce a sharp cutoff in the local cosmic-ray $e^+e^-$ spectrum at an energy matching the dark matter mass. At these high…

High Energy Physics - Phenomenology · Physics 2023-11-07 Isabelle John , Tim Linden

K_{l 3} and \pi_{e 3} transition form factors

$K_{\ell 3}$ and $\pi_{e 3}$ transition form factors are calculated as an application of Dyson-Schwinger equations. The role of nonanalytic contributions to the quark--W-boson vertex is elucidated. A one-parameter model for this vertex…

Nuclear Theory · Physics 2010-03-04 Yu. Kalinovsky , K. L. Mitchell , C. D. Roberts

Search for $e^+e^-\to K^+ K^- \psi(3770)$ at center-of-mass energies from 4.84 to 4.95 GeV

Using $e^+e^-$ collision data, corresponding to an integrated luminosity of $892\,\rm pb^{-1}$ collected at center-of-mass energies from 4.84 to 4.95\,GeV with the BESIII detector, we search for the process $e^+e^-\to K^+ K^- \psi(3770)$ by…

High Energy Physics - Experiment · Physics 2024-04-19 BESIII Collaboration

Observation of a resonant structure in $e^{+}e^{-} \to K^{+}K^{-}\pi^{0}\pi^{0}$

Using $e^{+}e^{-}$ collision data samples with center-of-mass energies ranging from 2.000 to 2.644 GeV, collected by the BESIII detector at the BEPCII collider, and with a total integrated luminosity of 300 pb^{-1}, a partial-wave analysis…

High Energy Physics - Experiment · Physics 2020-03-25 M. Ablikim , M. N. Achasov , P. Adlarson , S. Ahmed , M. Albrecht , A. Amoroso , Q. An , Anita , Y. Bai , O. Bakina , R. Baldini Ferroli , I. Balossino , Y. Ban , K. Begzsuren , J. V. Bennett , N. Berger , M. Bertani , D. Bettoni , F. Bianchi , J. Biernat , J. Bloms , 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 , W. Cheng , G. Cibinetto , F. Cossio , X. F. Cui , H. ~L. ~Dai , J. P. Dai , X. C. 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 , 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 , X. L. 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 , Y. P. Guo , A. Guskov , S. Han , T. T. Han , T. Z. Han , X. Q. Hao , F. A. Harris , K. L. He , F. H. Heinsius , T. Held , Y. K. Heng , 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 , 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 , D. ~P. ~Jin , 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 , L. ~Lavezzi , H. ~Leithoff , M. ~Lellmann , T. ~Lenz , C. ~Li , C. ~H. ~Li , Cheng~Li , D. ~M. ~Li , F. ~Li , G. ~Li , H. ~B. ~Li , H. ~J. ~Li , J. ~C. ~Li , J. ~L. ~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 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~Messchendorp , G. ~Mezzadri , J. ~Min , T. ~J. ~Min , R. ~E. ~Mitchell , X. ~H. ~Mo , Y. ~J. ~Mo , C. ~Morales Morales , 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 , M. ~Papenbrock , 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 , M. ~Qi , T. ~Y. ~Qi , S. ~Qian , C. ~F. ~Qiao , L. ~Q. ~Qin , X. ~P. ~Qin , X. ~S. ~Qin , Z. ~H. ~Qin , J. ~F. ~Qiu , S. ~Q. ~Qu , K. ~H. ~Rashid , K. ~Ravindran , C. ~F. ~Redmer , M. ~Richter , A. ~Rivetti , V. ~Rodin , M. ~Rolo , G. ~Rong , Ch. ~Rosner , M. ~Rump , A. ~Sarantsev , M. ~Savrié , Y. ~Schelhaas , C. ~Schnier , K. ~Schoenning , D. ~C. ~Shan , W. ~Shan , X. ~Y. ~Shan , M. ~Shao , C. ~P. ~Shen , P. ~X. ~Shen , X. ~Y. ~Shen , H. ~Y. ~Sheng , H. ~C. ~Shi , R. ~S. ~Shi , X. ~Shi , X. ~D~Shi , J. ~J. ~Song , Q. ~Q. ~Song , X. ~Y. ~Song , Y. ~X. ~Song , S. ~Sosio , C. ~Sowa , S. ~Spataro , F. ~F. ~Sui , G. ~X. ~Sun , J. ~F. ~Sun , L. ~Sun , S. ~S. ~Sun , T. ~Sun , W. ~Y. ~Sun , Y. ~J. ~Sun , Y. ~K~Sun , Y. ~Z. ~Sun , Z. ~J. ~Sun , Z. ~T. ~Sun , Y. ~X. ~Tan , C. ~J. ~Tang , G. ~Y. ~Tang , J. ~Tang , X. ~Tang , V. ~Thoren , B. ~Tsednee , I. ~Uman , B. ~Wang , B. ~L. ~Wang , C. ~W. ~Wang , D. ~Y. ~Wang , H. ~P. ~Wang , K. ~Wang , L. ~L. ~Wang , L. ~S. ~Wang , M. ~Wang , M. ~Z. ~Wang , Meng~Wang , P. ~L. ~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. ~G. ~Wang , Z. ~Y. ~Wang , Ziyi~Wang , Zongyuan~Wang , T. ~Weber , D. ~H. ~Wei , P. ~Weidenkaff , F. ~Weidner , H. ~W. ~Wen , 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. 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NLO QED corrections to ISR in e+ e- annihilation and the measurement of \sigma(e+ e- \to hadrons) using tagged photons

The leptonic tensor for the process $e^+ e^- \to \gamma+\gamma^*$, which describes the next-to-leading order virtual and soft QED corrections to initial state radiation in $e^+ e^-$ annihilation with emission of an extra virtual photon…

High Energy Physics - Phenomenology · Physics 2009-01-07 German Rodrigo , Aude Gehrmann-De Ridder , Marc Guilleaume , Johann H. Kuhn

Two and Three Pseudoscalar Production in $e^{+}e^{-}$ annihilation and their contributions to $(g-2)_{\mu}$

A coherent study of $e^{+}e^{-}$ annihilation into two ($\pi^{+}\pi^{-}$,$K^{+}K^{-}$) and three ($\pi^{+}\pi^{-}\pi^{0},\pi^{+}\pi^{-}\eta$) pseudoscalar meson production is carried out within the framework of resonance chiral theory in…

High Energy Physics - Phenomenology · Physics 2021-03-31 Wen Qin , Ling-Yun Dai , Jorge Portoles

Study of the hadronic production of kaon pairs below the threshold for the phi meson

The near threshold production of K+K- pairs in proton-proton collisions has been investigated at the cooler synchrotron COSY below and above the threshold for the $\phi$ meson using the COSY-11 and ANKE facilities, respectively. The…

Nuclear Experiment · Physics 2008-11-07 P. Moskal , M. Silarski , A. Budzanowski , E. Czerwinski , R. Czyzykiewicz , D. Gil , D. Grzonka , M. Janusz , L. Jarczyk , B. Kamys , A. Khoukaz , P. Klaja , W. Oelert , C. Piskor-Ignatowicz , J. Przerwa , B. Rejdych , J. Ritman , T. Sefzick , M. Siemaszko , J. Smyrski , A. Taschner , P. Winter , M. Wolke , P. Wustner , M. J. Zielinski , W. Zipper , J. Zdebik

Studies of e+e- Collisions with a Hard Initial-State Photon at BaBar

We present preliminary BaBar measurements of hadronic cross sections in $e^+e^-$ annihilation using the radiative return technique. The cross sections for $e^+e^- \to p\bar{p} $, $ 3(\pi^+\pi^-)$, $ 2(\pi^+\pi^-)2\pi^0$, and $…

High Energy Physics - Experiment · Physics 2009-11-11 Nicolas Berger

Deciphering the light vector meson contribution to the cross sections of $e^+e^-$ annihilations into the open-strange channels through a combined analysis

In this work, we perform a combined analysis to the measured data of the cross section of open-strange processes $e^+e^- \to K^+K^-$, $e^+e^- \to K\bar{K}^{*}+c.c.$, $e^+e^- \to K^{*+}K^{*-}$, $e^+e^- \to K_1(1270)^+K^-$, $e^+e^- \to…

High Energy Physics - Phenomenology · Physics 2021-10-04 Jun-Zhang Wang , Li-Ming Wang , Xiang Liu , Takayuki Matsuki

Isoscalar and isovector kaon form factors from $e^+e^-$ and $\tau$ data

The recent precise measurements of the $e^+e^-\to K_SK_L$ and $e^+e^-\to K^+K^-$ cross sections and the hadronic spectral function of the $\tau^-\to K^-K_S\nu_\tau$ decay are used to extract the isoscalar and isovector electromagnetic kaon…

High Energy Physics - Phenomenology · Physics 2020-01-08 K. I. Beloborodov , V. P. Druzhinin , S. I. Serednyakov

Measurements of the parameters of the $\phi(1020)$ resonance through studies of the processes $e^+e^- \to K^+K^-$, $K_SK_L$ and $\pi^+\pi^-\pi^0$

The cross sections of the processes $e^+e^- \to K^+K^-$, $e^+e^- \to K_SK_L$ and $e^+e^- \to \pi^+\pi^-\pi^0$ were measured in the SND experiment at the VEPP-2M collider in the energy region near the $\phi(1020)$ meson. These measurements…

High Energy Physics - Experiment · Physics 2019-08-17 M. N. Achasov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , S. V. Burdin , T. V. Dimova , V. P. Druzhinin , M. S. Dubrovin , I. A. Gaponenko , V. B. Golubev , V. N. Ivanchenko , P. M. Ivanov , A. A. Korol , M. S. Korostelev , S. V. Koshuba , E. V. Pakhtusova , A. A. Polunin , E. E. Pyata , A. A. Salnikov , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , Yu. V. Usov , A. V. Vasiljev , Yu. S. Velikzhanin

Regge approach to the reaction of $\gamma N \to K^* \Lambda$

Photoproduction of $K^*$ vector mesons off nucleon is investigated within the Regge framework where the electromagnetic vertex of $\gamma K^*K^*$ fully takes into account the magnetic dipole and electric quadrupole moments of spin-1 $K^*$…

High Energy Physics - Phenomenology · Physics 2017-05-24 Byung-Geel Yu , Yongseok Oh , Kook-Jin Kong