English
Related papers

Related papers: Meson Production Experiments with Electromagnetic …

200 papers

Background: Measurements of the polarization observables {\Sigma}, P, T, Ox, Oz for the reaction {\gamma}p {\rightarrow) KS0 {\Sigma}+ using a linearly polarized photon beam of energy 1.1 to 2.1 GeV are reported. Purpose: The measured data…

Nuclear Experiment · Physics 2024-05-01 CLAS Collaboration , L. Clark , B. McKinnon , D. G. Ireland , D. I. Glazier , K. Livingston , D. Rönchen

The BABAR detector, which operates at the SLAC PEP-II asymmetric e^+e^- collider at energies near the Y(4S) resonance, started operation on the 26th of May 1999. We present the first study of sin2beta, with samples of B0 --> J/psi K0S and…

High Energy Physics - Experiment · Physics 2016-08-31 Francesca Di Lodovico

During the past several decades a large quantity of high-quality mesonic photo- and electro- production data have been measured at electromagnetic facilities worldwide. By contrast, meson-beam data for these same final states are mostly…

Nuclear Experiment · Physics 2023-12-27 William J. Briscoe , Igor I. Strakovsky

The longitudinal and transverse components of the cross section for the $e p\to e^\prime p \rho^0$ reaction were measured in Hall B at Jefferson Laboratory using the CLAS detector. The data were taken with a 4.247 GeV electron beam and were…

High Energy Physics - Experiment · Physics 2010-04-06 C. Hadjidakis

In previous work a different and powerful, analytical, technique was used to get data, such as the absolute atom concentration (AAC), specimen thickness etc., from public domain boron nitride EELS spectrum collected under a collection…

Materials Science · Physics 2020-09-24 Noureddine Hadji

In this work we present the results of a theoretical analysis of the data on photoproduction of $f_0(980)$ meson in the laboratory photon energy between 3.0 and 3.8 GeV. A comparison is done to the measurements performed by the CLAS…

High Energy Physics - Phenomenology · Physics 2013-08-07 M. L. L. da Silva , M. V. T. Machado

Beam-recoil transferred polarizations for the exclusive electroproduction of $K^+\Lambda$ and $K^+\Sigma^0$ final states from an unpolarized proton target have been measured using the CLAS12 spectrometer at Jefferson Laboratory. The…

Nuclear Experiment · Physics 2022-06-15 D. S. Carman , A. D'Angelo , L. Lanza , V. I. Mokeev , K. P. Adhikari , M. J. Amaryan , W. R. Armstrong , H. Atac , H. Avakian , C. Ayerbe Gayoso , N. A. Baltzell , L. Barion , M. Battaglieri , I. Bedlinskiy , B. Benkel , A. Bianconi , A. S. Biselli , M. Bondi , S. Boiarinov , F. Bossu , W. J. Briscoe , S. Bueltmann , D. Bulumulla , V. D. Burkert , R. Capobianco , J. C. Carvajal , A. Celentano , P. Chatagnon , V. Chesnokov , T. Chetry , G. Ciullo , L. Clark , P. L. Cole , M. Contalbrigo , G. Costantini , V. Crede , N. Dashyan , R. De Vita , M. Defurne , A. Deur , S. Diehl , C. Djalali , R. Dupre , M. Ehrhart , A. El Alaoui , L. El Fassi , L. Elouadrhiri , S. Fegan , A. Filippi , G. Gavalian , Y. Ghandilyan , G. P. Gilfoyle , F. X. Girod , D. I. Glazier , A. A. Golubenko , R. W. Gothe , Y. Gotra , K. A. Griffioen , K. Hafidi , H. Hakobyan , M. Hattawy , F. Hauenstein , T. B. Hayward , A. Hobart , M. Holtrop , Y. Ilieva , D. G. Ireland , E. L. Isupov , H. S. Jo , K. Joo , D. Keller , A. Khanal , A. Kim , W. Kim , V. Klimenko , A. Kripko , V. Kubarovsky , M. Leali , S. Lee , P. Lenisa , K. Livingston , I. J. D. MacGregor , D. Marchand , L. Marsicano , V. Mascagna , M. Mayer , B. McKinnon , S. Migliorati , T. Mineeva , M. Mirazita , R. A. Montgomery , C. Munoz Camacho , P. Nadel-Turonski , K. Neupane , J. Newton , S. Niccolai , M. Osipenko , P. Pandey , M. Paolone , L. L. Pappalardo , R. Paremuzyan , E. Pasyuk , S. J. Paul , N. Pilleux , O. Pogorelko , J. W. Price , Y. Prok , B. A. Raue , T. Reed , M. Ripani , J. Ritman , A. Rizzo , P. Rossi , F. Sabatie , C. Salgado , A. Schmidt , Y. G. Sharabian , E. V. Shirokov , U. Shrestha , P. Simmerling , D. Sokhan , N. Sparveris , S. Stepanyan , I. I. Strakovsky , S. Strauch , N. Tyler , R. Tyson , M. Ungaro , S. Vallarino , L. Venturelli , H. Voskanyan , E. Voutier , D. P. Watts , K. Wei , X. Wei , R. Wishart , M. H. Wood , B. Yale , N. Zachariou , J. Zhang , V. Ziegler

The ALICE experiment is equipped with electromagnetic calorimeters of two different types: PHOS, the lead-tungstate photon spectrometer, and EMCAL, the sampling lead-scintillator calorimeter. These two detectors measure photon spectra in a…

High Energy Physics - Experiment · Physics 2019-08-14 Yuri Kharlov

The Tevatron experiments have each accumulated about 6 \ifb good data since the start of RUN II. This large dataset provided good opportunities for meson spectroscopy studies at the Tevatron. This article will cover the recent new…

High Energy Physics - Experiment · Physics 2019-08-14 Kai Yi

The CLAS Collaboration at Jefferson Lab conducted a photoproduction experiment on a proton target using a tagged photon beam with an energy range of 1.5-3.8 GeV during May-July 2004. With an integrated luminosity of about 75 $pb^{-1}$, this…

High Energy Physics - Experiment · Physics 2019-08-14 L. Guo , D. P. Weygand

We present results from the SLAC E-150 experiment on plasma focusing of high energy density electron and, for the first time, positron beams. We also discuss measurements on plasma lens-induced synchrotron radiation, longitudinal dynamics…

COMPASS is a fixed-target experiment at the CERN SPS which focused on light-quark hadron spectroscopy during the data taking periods in 2008 and 2009. A world-leading data set was collected with a 190GeV/c hadron beam impinging on a liquid…

High Energy Physics - Experiment · Physics 2019-08-13 A. Austregesilo

Measurement results of photoproduced excited hyperon states using the CLAS detector at Jefferson Lab are shown. The invariant mass distribution of the Lambda(1405) has recently been shown to be different for each of the three Sigma pi…

Nuclear Experiment · Physics 2015-06-17 Kei Moriya , Reinhard Schumacher

Beam-recoil transferred polarizations for the exclusive $\vec{e}p \to e'K^+ \vec{\Lambda},\vec{\Sigma}^0$ reactions have been measured using the CLAS spectrometer at Jefferson Laboratory. New measurements have been completed at beam…

High Energy Physics - Experiment · Physics 2019-08-13 D. S. Carman , B. A. Raue

COMPASS is a fixed-target experiment at the CERN SPS for the investigation of the structure and the dynamics of hadrons. The experimental setup features a large acceptance and high momentum resolution spectrometer including particle…

High Energy Physics - Experiment · Physics 2019-08-13 A. Austregesilo

A new Radial Time Projection Chamber (RTPC) was developed at the Jefferson Laboratory to track low-energy nuclear recoils for the purpose of measuring exclusive nuclear reactions, such as coherent Deeply Virtual Compton Scattering and…

Transition helicity amplitudes $\gamma_{v}NN^*$ (electrocouplings) were determined for prominent excited proton states with masses below 1.8 GeV in independent analyses of major meson electroproduction channels: $\pi^{+}n$, $\pi^0p$ and…

Nuclear Experiment · Physics 2015-05-30 I. G. Aznauryan , V. D. Burkert , V. I. Mokeev

With over 45/pb of 7 TeV pp collisions recorded, the ATLAS Standard Model physics program is well under way. These proceedings survey the latest tests of the Standard Model at this unprecedented energy scale. An overview of recent ATLAS…

High Energy Physics - Experiment · Physics 2011-06-10 John Alison

We report on preliminary results for the production of neutral mesons by 750 MeV/$c$ $\pi^-$ on complex nuclear targets (C, Al, Cu) and hydrogen. Our simultaneous measurement of $\pi^0$, $2\pi^0$, and $\eta$ final states allows an…

Nuclear Experiment · Physics 2019-08-14 A. Starostin , B. M. K. Nefkens , H. M. Staudenmaier

COMPASS is a fixed-target experiment at CERN SPS which focused on light-quark meson spectroscopy during the data-taking periods in 2008 and 2009. The central exclusive production of glueball candidates is studied with a 190GeV/c proton beam…

High Energy Physics - Experiment · Physics 2013-10-14 Alexander Austregesilo