Related papers: First Measurement of pi e -> pi e gamma Pion Virtu…

Measurement of the $e^{+}e^{-}\rightarrow\eta\pi^{+}\pi^{-}$ cross section with the CMD-3 detector at the VEPP-2000 collider

The cross section of the process $e^{+}e^{-}\rightarrow\eta\pi^{+}\pi^{-}$ is measured using the data collected with the CMD-$3$ detector at the VEPP-$2000$ collider in the center-of-mass energy range from $1.1$ to $2.0$ GeV. The decay mode…

High Energy Physics - Experiment · Physics 2020-01-29 S. S. Gribanov , A. S. Popov , R. R. Akhmetshin , A. N. Amirkhanov , A. V. Anisenkov , V. M. Aulchenko , V. Sh. Banzarov , N. S. Bashtovoy , D. E. Berkaev , A. E. Bondar , A. V. Bragin , S. I. Eidelman , D. A. Epifanov , L. B. Epshteyn , A. L. Erofeev , G. V. Fedotovich , S. E. Gayazov , F. J. Grancagnolo , A. A. Grebenuk , D. N. Grigoriev , F. V. Ignatov , V. L. Ivanov , S. V. Karpov , V. F. Kazanin , A. N. Kirpotin , I. A. Koop , A. A. Korobov , O. A. Kovalenko , A. N. Kozyrev , E. A. Kozyrev , P. P. Krokovny , A. E. Kuzmenko , A. S. Kuzmin , I. B. Logashenko , P. A. Lukin , K. Yu. Mikhailov , V. S. Okhapkin , A. V. Otboev , Yu. N. Pestov , G. P. Razuvaev , Yu. A. Rogovsky , A. A. Ruban , N. M. Ryskulov , A. E. Ryzhenenkov , A. V. Semenov , A. I. Senchenko , Yu. M. Shatunov , P. Yu. Shatunov , V. E. Shebalin , D. N. Shemyakin , B. A. Shwartz , D. B. Shwartz , A. L. Sibidanov , E. P. Solodov , V. M. Titov , A. A. Talyshev , S. S. Tolmachev , A. I. Vorobiov , I. M. Zemlyansky , Yu. V. Yudin

Incoherent deeply virtual Compton scattering off $^4$He

Very recently, for the first time, the two channels of nuclear deeply virtual Compton scattering (DVCS), the coherent and incoherent ones, have been separated by the CLAS collaboration at JLab, using a $^4$He target. The incoherent channel,…

Nuclear Theory · Physics 2021-01-04 Sara Fucini , Sergio Scopetta , Michele Viviani

Image reconstruction from tissue scattered events for ${\beta}^{+}\gamma$ coincidences in Compton-PET

For long time non-pure beta emitters are avoided from PET imaging due to extra dose and increase in background from Compton scattering. But advent of high-resolution Compton camera system opens up new domain of imaging. Various non-pure…

Medical Physics · Physics 2021-10-06 Satyajit Ghosh , Pragya Das

Deeply virtual Compton scattering off Helium nuclei with positron beams

Positron initiated deeply virtual Compton scattering (DVCS) off $^4$He and $^3$He nuclei is described. The way the so-called $d-$term could be obtained from the real part of the relevant Compton form factor is summarized, and the importance…

High Energy Physics - Phenomenology · Physics 2021-09-29 Sara Fucini , Mohammad Hattawy , Matteo Rinaldi , Sergio Scopetta

Measurements of the $\gamma_{v} p \rightarrow p' \pi^{+} \pi^{-}$ cross section with the CLAS detector for $0.4$ GeV$^{2}$ $< Q^{2} <$ $1.0$ GeV$^{2}$ and $1.3$ GeV $< W <$ $1.825$ GeV

New results on the single-differential and fully-integrated cross sections for the process $\gamma_{v} p \rightarrow p' \pi^{+} \pi^{-}$ are presented. The experimental data were collected with the CLAS detector at Jefferson Laboratory.…

Nuclear Experiment · Physics 2018-11-20 G. V. Fedotov , Iu. A. Skorodumina , V. D. Burkert , R. W. Gothe , K. Hicks , V. I. Mokeev , the CLAS Collaboration

Deeply virtual Compton scattering beyond next-to-leading order: the flavor singlet case

We study radiative corrections to deeply virtual Compton scattering in the kinematics of HERA collider experiments to next--to--leading and next--to--next--to--leading order. In the latter case the radiative corrections are evaluated in a…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Kumericki , D. Müller , K. Passek-Kumericki , A. Schäfer

Extracting Nucleon Resonance Transition GPDs from $e^- N\to e^-\gamma N\pi$ Deeply Virtual Compton Scattering

We investigate the process in which Deeply Virtual Compton Scattering (DVCS) excites a baryon resonance. In particular, we assess, in DVCS leading to the Roper resonance, the relative importance of a "background'' process in which a pion is…

Nuclear Theory · Physics 2026-02-17 Matthew Rumley , Anthony W. Thomas

Precision Tests in e+e- and gamma-gamma processes and Virtual New Physics Effects

Contribution to LP99, International Symposium on Lepton-Photon Interactions, Stanford, Aug.1999. Summary of works done in collaboration with M. Beccaria, P. Ciafaloni, D. Comelli, G.J. Gounaris, J. Layssac, P. Porfyriadis, S. Spagnolo, C.…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. M. Renard

Single-shot determination of spin-polarization for ultrarelativistic electron beams via nonlinear Compton scattering

Impacts of spin-polarization of an ultrarelativistic electron beam head-on colliding with a strong laser pulse on emitted photon spectra and electron dynamics have been investigated in the quantum radiation regime. We simulate photon…

Plasma Physics · Physics 2019-07-31 Yan-Fei Li , Ren-Tong Guo , Rashid Shaisultanov , Karen Z. Hatsagortsyan , Jian-Xing Li

High statistics measurement of the cross sections of gamma gamma -> pi^+ pi^- production

We report on a high statistics measurement of the total and differential cross sections of the process gamma gamma -> pi^+ pi^- in the pi^+ pi^- invariant mass range 0.8 GeV/c^2 < W < 1.5 GeV/c^2 with 85.9 fb^{-1} of data collected at…

High Energy Physics - Experiment · Physics 2019-08-12 T. Mori

Search for narrow pion-proton states in s-channel at EPECUR: experiment status

An experiment EPECUR, aimed at the search of the cryptoexotic non-strange member of the pentaquark antidecuplet, started its operation at a pion beam line of the ITEP 10 GeV proton synchrotron. The invariant mass range of the interest…

High Energy Physics - Experiment · Physics 2009-12-24 The EPECUR collaboration , I. G. Alekseev , V. A. Andreev , I. G. Bordyuzhin , P. Ye. Budkovsky , D. A. Fedin , Ye. A. Filimonov , V. V. Golubev , V. P. Kanavets , L. I. Koroleva , A. I. Kovalev , N. G. Kozlenko , V. S. Kozlov , A. G. Krivshich , B. V. Morozov , V. M. Nesterov , D. V. Novinsky , V. V. Ryltsov , M. Sadler , A. D. Sulimov , V. V. Sumachev , D. N. Svirida , V. I. Tarakanov , V. Yu. Trautman

Measurements of the Generalized Electric and Magnetic Polarizabilities of the Proton at Low Q2 Using the VCS Reaction

The mean square polarizability radii of the proton have been measured for the first time in a virtual Compton scattering experiment performed at the MIT-Bates out-of-plane scattering facility. Response functions and polarizabilities…

Nuclear Experiment · Physics 2011-07-19 P. Bourgeois , Y. Sato , J. Shaw , R. Alarcon , A. M. Bernstein , W. Bertozzi , T. Botto , J. Calarco , F. Casagrande , M. O. Distler , K. Dow , M. Farkondeh , S. Georgakopoulos , S. Gilad , R. Hicks , M. Holtrop , A. Hotta , X. Jiang , A. Karabarbounis , J. Kirkpatrick , S. Kowalski , R. Milner , R. Miskimen , I. Nakagawa , C. N. Papanicolas , A. J. Sarty , S. Sirca , E. Six , N. F. Sparveris , S. Stave , E. Stiliaris , T. Tamae , G. Tsentalovich , C. Tschalaer , W. Turchinetz , Z. -L. Zhou , T. Zwart

Weak Hyperon Production in ep Scattering

We study the kinematics and cross section of the scattering process $e p \rightarrow e \Sigma^+$. The cross section is expressed in terms of complex form factors characterizing the hadron vertices. We estimate the cross section for small…

High Energy Physics - Phenomenology · Physics 2016-08-24 Xuemin Jin , R. L. Jaffe

The process $e^+e^-\to\pi^+\pi^-\pi^0$ in the energy range 2E_0=1.04 - 1.38 GeV

In the experiment with the SND detector at VEPP-2M e^+e^- collider the process $e^+e^-\to\pi^+\pi^-\pi^0$ was studied in the energy range 2E_0 from 1.04 to 1.38 GeV. A broad peak was observed with the visible mass $M_{vis}=1220\pm 20$ MeV…

High Energy Physics - Experiment · Physics 2008-11-26 M. N. Achasov , V. M. Aulchenko , S. E. Baru , K. I. Beloborodov , A. V. Berdyugin , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , S. V. Burdin , T. V. Dimova , S. I. Dolinsky , V. P. Druzhinin , M. S. Dubrovin , I. A. Gaponenko , V. B. Golubev , V. N. Ivanchenko , I. A. Koop , P. M. Ivanov , A. A. Korol , S. V. Koshuba , E. V. Pakhtusova , E. A. Perevedentsev , A. A. Salnikov , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , Y. V. Usov , A. V. Varganov , A. V. Vasilyev , Yu. S. Velikzhanin

Measurement of the $e^+e^-\to\pi^+\pi^-$ cross section from threshold to 1.2 GeV with the CMD-3 detector

The cross section of the process $e^+e^-\to\pi^+\pi^-$ has been measured in the center of mass energy range from 0.32 to 1.2 GeV with the CMD-3 detector at the electron-positron collider VEPP-2000. The measurement is based on a full dataset…

High Energy Physics - Experiment · Physics 2024-06-06 3 Collaboration , F. V. Ignatov , R. R. Akhmetshin , A. N. Amirkhanov , A. V. Anisenkov , V. M. Aulchenko , N. S. Bashtovoy , D. E. Berkaev , A. E. Bondar , A. V. Bragin , S. I. Eidelman , D. A. Epifanov , L. B. Epshteyn , A. L. Erofeev , G. V. Fedotovich , A. O. Gorkovenko , F. J. Grancagnolo , A. A. Grebenuk , S. S. Gribanov , D. N. Grigoriev , V. L. Ivanov , S. V. Karpov , A. S. Kasaev , V. F. Kazanin , B. I. Khazin , A. N. Kirpotin , I. A. Koop , A. A. Korobov , A. N. Kozyrev , E. A. Kozyrev , P. P. Krokovny , A. E. Kuzmenko , A. S. Kuzmin , I. B. Logashenko , P. A. Lukin , A. P. Lysenko , K. Yu. Mikhailov , I. V. Obraztsov , V. S. Okhapkin , A. V. Otboev , E. A. Perevedentsev , Yu. N. Pestov , A. S. Popov , G. P. Razuvaev , Yu. A. Rogovsky , A. A. Ruban , N. M. Ryskulov , A. E. Ryzhenenkov , A. V. Semenov , A. I. Senchenko , P. Yu. Shatunov , Yu. M. Shatunov , V. E. Shebalin , D. N. Shemyakin , B. A. Shwartz , D. B. Shwartz , A. L. Sibidanov , E. P. Solodov , A. A. Talyshev , M. V. Timoshenko , V. M. Titov , S. S. Tolmachev , A. I. Vorobiov , I. M. Zemlyansky , D. S. Zhadan , Yu. M. Zharinov , A. S. Zubakin , Yu. V. Yudin

Probing Proton Strangeness with Time-Like Virtual Compton Scattering

We document that p(gamma,e+e-)p measurements will yield new, important information about the off-shell time-like nucleon form factors, especially in the phi meson region (q^2 = M^2_{phi}) governing the phi N couplings g^{V,T}_{\phi N N}.…

Nuclear Theory · Physics 2014-11-18 Stephen R. Cotanch , Robert A. Williams

Spatial profiles of collimated laser Compton-scattering $\gamma$-ray beams

The intensity and energy spatial distributions of collimated laser Compton scattering (LCS) $\gamma$-ray beams and of the associated bremsstrahlung beams have been investigated as functions of the electron beam energy, electron beam phase…

Instrumentation and Detectors · Physics 2023-06-21 Takashi Ari-Izumi , Ioana Gheorghe , Dan Filipescu , Satoshi Hashimoto , Shuji Miyamoto , Hiroaki Utsunomiya

Measurement of beam asymmetry for $\pi^-\Delta^{++}$ photoproduction on the proton at $E_\gamma$=8.5 GeV

We report a measurement of the $\pi^-$ photoproduction beam asymmetry for the reaction $\vec{\gamma} p \rightarrow \pi^- \Delta^{++}$ using data from the GlueX experiment in the photon beam energy range 8.2--8.8 GeV. The asymmetry $\Sigma$…

Nuclear Experiment · Physics 2021-03-03 GlueX Collaboration , S. Adhikari , C. S. Akondi , A. Ali , M. Amaryan , A. Asaturyan , A. Austregesilo , Z. Baldwin , F. Barbosa , J. Barlow , E. Barriga , R. Barsotti , T. D. Beattie , V. V. Berdnikov , T. Black , W. Boeglin , W. J. Briscoe , T. Britton , W. K. Brooks , B. E. Cannon , E. Chudakov , S. Cole , O. Cortes , V. Crede , M. M. Dalton , T. Daniels , A. Deur , S. Dobbs , A. Dolgolenko , R. Dotel , M. Dugger , R. Dzhygadlo , H. Egiyan , T. Erbora , A. Ernst , P. Eugenio , C. Fanelli , S. Fegan , J. Fitches , A. M. Foda , S. Furletov , L. Gan , H. Gao , A. Gasparian , C. Gleason , K. Goetzen , V. S. Goryachev , L. Guo , H. Hakobyan , A. Hamdi , G. M. Huber , A. Hurley , D. G. Ireland , M. M. Ito , I. Jaegle , N. S. Jarvis , R. T. Jones , V. Kakoyan , G. Kalicy , M. Kamel , V. Khachatryan , M. Khatchatryan , C. Kourkoumelis , S. Kuleshov , A. LaDuke , I. Larin , D. Lawrence , D. I. Lersch , H. Li , W. B. Li , B. Liu , K. Livingston , G. J. Lolos , K. Luckas , V. Lyubovitskij , D. Mack , H. Marukyan , V. Matveev , M. McCaughan , M. McCracken , W. McGinley , C. A. Meyer , R. Miskimen , R. E. Mitchell , K. Mizutani , V. Neelamana , F. Nerling , L. Ng , A. I. Ostrovidov , Z. Papandreou , C. Paudel , P. Pauli , R. Pedroni , L. Pentchev , K. J. Peters , W. Phelps , E. Pooser , J. Reinhold , B. G. Ritchie , J. Ritman , G. Rodriguez , D. Romanov , C. Romero , C. Salgado , S. Schadmand , A. M. Schertz , A. Schick , R. A. Schumacher , J. Schwiening , X. Shen , M. R. Shepherd , A. Smith , E. S. Smith , D. I. Sober , A. Somov , S. Somov , O. Soto , J. R. Stevens , I. I. Strakovsky , B. Sumner , K. Suresh , V. V. Tarasov , S. Taylor , A. Teymurazyan , A. Thiel , G. Vasileiadis , T. Whitlatch , N. Wickramaarachchi , M. Williams , Y. Yang , J. Zarling , Z. Zhang , Z. Zhao , J. Zhou , Q. Zhou , X. Zhou , B. Zihlmann

Study of the process $e^+e^-\to 3(\pi^+\pi^-)\pi^0$ in the C.M. Energy range 1.6--2.0 GeV with the CMD-3 detector

The cross section of the process $e^+e^- \to 3(\pi^+\pi^-)\pi^0$ has been measured for the first time using a data sample of 56.7 pb$^{-1}$ collected with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider. 632$\pm$32 signal events have…

High Energy Physics - Experiment · Physics 2019-05-14 3 Collaboration

Study of a small-scale gamma-ray detection system employing Compton scattering with a monolithic CeBr3 crystal and segmented photodetector array

Study of high energy cosmic events in the MeV range requires detector with high efficiency and energy resolution to be constructed. The present setup consisting of scintillator crystals CeBr3 with different thickness, each coupled with 12 x…

Instrumentation and Detectors · Physics 2025-12-10 Veronika Asova , Galin Bistrev , Simeon Ivanov