Related papers: Hadron Physics with CLAS12

Physics Opportunities with the 12 GeV Upgrade at Jefferson Lab

This white paper summarizes the scientific opportunities for utilization of the upgraded 12 GeV Continuous Electron Beam Accelerator Facility (CEBAF) and associated experimental equipment at Jefferson Lab. It is based on the 52 proposals…

High Energy Physics - Experiment · Physics 2015-06-11 Jozef Dudek , Rolf Ent , Rouven Essig , Krishna Kumar , Curtis Meyer , Robert McKeown , Zein Eddine Meziani , Gerald A. Miller , Michael Pennington , David Richards , Larry Weinstein , Glenn Young

Hyperon Photo and Electro Production at CLAS

Developments in strangeness photo- and electro- production off the proton, as investigated using the CLAS system in Hall B at Jefferson Lab, are discussed in this paper. By measuring sufficient spin observables one can decompose the…

Nuclear Experiment · Physics 2011-02-01 Reinhard Schumacher

Primakoff Physics for CERN COMPASS Hadron Beam: Hadron Polarizabilities, Hybrid Mesons, Chiral Anomaly, Meson Radiative Transitions

We describe a hadron physics program attainable with a partially instrumented CERN COMPASS spectrometer, involving tracking detectors and moderate-size ECAL2/HCAL2 calorimeters. COMPASS can realize a state-of-the-art hadron beam physics…

High Energy Physics - Experiment · Physics 2007-05-23 Murray A. Moinester , Victor Steiner

Meson Production Experiments with Electromagnetic Beams using CLAS

The CEBAF Large Acceptnace Spectrometer (CLAS) has been taking production data since February, 1998. It takes data for many reactions simultaneously with moderate resolution. Data has been taken for a variety of conditions with polarized…

Nuclear Experiment · Physics 2014-11-18 S. A. Dytman

Future Spin Physics at JLab; 12 GeV and Beyond

The project to upgrade the CEBAF accelerator at Jefferson Lab to 12 GeV is presented. Most of the research program supporting that upgrade, will require a highly polarized beam, as will be illustrated by a few selected examples. To carry…

Nuclear Experiment · Physics 2014-11-18 Kees de Jager

The Jlab Upgrade - Studies of the Nucleon with CLAS12

An overview is presented on the program to study the nucleon structure at the 12 GeV JLab upgrade using the CLAS12 detector. The focus is on deeply virtual exclusive processes to access the generalized parton distributions, semni-inclusive…

Nuclear Experiment · Physics 2015-05-13 Volker D. Burkert

Jefferson Lab Hall C: Precision Physics at the Luminosity Frontier

Over the last three decades, Hall C has been a key contributor to progress in the understanding of hadron structure and interactions. An outline of a potential future Hall C physics program focused on precision measurements of small cross…

Nuclear Experiment · Physics 2022-09-27 J. Benesch , V. Berdnikov , P. Brindza , S. Covrig Dusa , D. Dutta , D. Gaskell , T. Gogami , J. M. Grames , D. J. Hamilton , D. W. Higinbotham , T. Horn , G. M. Huber , M. K. Jones , C. Keith , C. Keppel , E. R. Kinney , W. B. Li , Shujie Li , N. Liyanage , E. Long , D. J. Mack , B. Metzger , C. Muñoz Camacho , S. N. Nakamura , B. Sawatzky , K. Slifer , H. Szumila-Vance , A. S. Tadepalli , L. Tang , B. Wojtsekhowski , S. A. Wood

High Resolution Spectroscopy of 12B_Lambda by Electroproduction

An experiment measuring electroproduction of hypernuclei has been performed in Hall A at Jefferson Lab on a $^{12}$C target. In order to increase counting rates and provide unambiguous kaon identification two superconducting septum magnets…

Nuclear Experiment · Physics 2009-03-19 M. Iodice , F. Cusanno , A. Acha , P. Ambrozewicz , K. A. Aniol , P. Baturin , P. Y. Bertin , H. Benaoum , K. I. Blomqvist , W. U. Boeglin , H. Breuer , P. Brindza , P. Bydzovsky , A. Camsonne , C. C. Chang , J. -P. Chen , Seonho Choi , E. A. Chudakov , E. Cisbani , S. Colilli , L. Coman , B. J. Craver , G. DeCataldo , C. W. deJager , R. DeLeo , A. P. Deur , C. Ferdi , R. J. Feuerbach , E. Folts , R. Fratoni , S. Frullani , F. Garibaldi , O. Gayou , F. Giulani , J. Gomez , M. Gricia , J. O. Hansen , D. Hayes , D. W. Higinbotham , T. K. Holmstrom , C. E. Hyde , H. F. Ibrahim , X. Jiang , L. J. Kaufman , K. Kino , B. Kross , L. Lagamba , J. J. LeRose , R. A. Lindgren , M. Lucentini , D. J. Margaziotis , P. Markowitz , S. Marrone , Z. E. Meziani , K. McCormick , R. W. Michaels , D. J. Millener , T. Miyoshi , B. Moffit , P. A. Monaghan , M. Moteabbed , C. MunozCamacho , S. Nanda , E. Nappi , V. V. Nelyubin , B. E. Norum , Y. Okasyasu , K. D. Paschke , C. F. Perdrisat , E. Piasetzky , V. A. Punjabi , Y. Qiang , B. Raue , P. E. Reimer , J. Reinhold , B. Reitz , R. E. Roche , V. M. Rodriguez , A. Saha , F. Santavenere , A. J. Sarty , J. Segal , A. Shahinyan , J. Singh , S. Sirca , R. Snyder , P. H. Solvignon , M. Sotona , R. Subedi , V. A. Sulkosky , T. Suzuki , H. Ueno , P. E. Ulmer , G. M. Urciuoli , P. Veneroni , E. Voutier , B. B. Wojtsekhowski , X. Zheng , C. Zorn

Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab

This document presents the initial scientific case for upgrading the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab (JLab) to 22 GeV. It is the result of a community effort, incorporating insights from a series of…

Nuclear Experiment · Physics 2023-08-28 A. Accardi , P. Achenbach , D. Adhikari , A. Afanasev , C. S. Akondi , N. Akopov , M. Albaladejo , H. Albataineh , M. Albrecht , B. Almeida-Zamora , M. Amaryan , D. Androić , W. Armstrong , D. S. Armstrong , M. Arratia , J. Arrington , A. Asaturyan , A. Austregesilo , H. Avagyan , T. Averett , C. Ayerbe Gayoso , A. Bacchetta , A. B. Balantekin , N. Baltzell , L. Barion , P. C. Barry , A. Bashir , M. Battaglieri , V. Bellini , I. Belov , O. Benhar , B. Benkel , F Benmokhtar , W. Bentz , V. Bertone , H. Bhatt , A. Bianconi , L. Bibrzycki , R. Bijker , D. Binosi , D. Biswas , M. Boër , W. Boeglin , S. A. Bogacz , M. Boglione , M. Bondí , E. E. Boos , P. Bosted , G. Bozzi , E. J. Brash , R. A. Briceño , P. D. Brindza , W. J. Briscoe , S. J Brodsky , W. K. Brooks , V. D. Burkert , A. Camsonne , T. Cao , L. S. Cardman , D. S. Carman , M Carpinelli , G. D. Cates , J. Caylor , A. Celentano , F. G. Celiberto , M. Cerutti , Lei Chang , P. Chatagnon , C. Chen , J-P Chen , T. Chetry , A. Christopher , E. Christy , E. Chudakov , E. Cisbani , I. C. Cloët , J. J. Cobos-Martinez , E. O. Cohen , P. Colangelo , P. L. Cole , M. Constantinou , M. Contalbrigo , G. Costantini , W. Cosyn , C. Cotton , A. Courtoy , S. Covrig Dusa , V. Crede , Z. -F. Cui , A. D'Angelo , M. Döring , M. M. Dalton , I. Danilkin , M. Davydov , D. Day , F. De Fazio , M. De Napoli , R. De Vita , D. J. Dean , M. Defurne , A. Deur , B. Devkota , S. Dhital , P. Di Nezza , M. Diefenthaler , S. Diehl , C. Dilks , M. Ding , C. Djalali , S. Dobbs , R. Dupré , D. Dutta , R. G. Edwards , H. Egiyan , L. Ehinger , G. Eichmann , M. Elaasar , L. Elouadrhiri , A. El Alaoui , L. El Fassi , A. Emmert , M. Engelhardt , R. Ent , D. J Ernst , P. Eugenio , G. Evans , C. Fanelli , S. Fegan , C. Fernández-Ramírez , L. A. Fernandez , I. P. Fernando , A. Filippi , C. S. Fischer , C. Fogler , N. Fomin , L. Frankfurt , T. Frederico , A. Freese , Y. Fu , L. Gamberg , L. Gan , F. Gao , H. Garcia-Tecocoatzi , D. Gaskell , A. Gasparian , K Gates , G. Gavalian , P. K. Ghoshal , A. Giachino , F. Giacosa , F. Giannuzzi , G. -P. Gilfoyle , F-X Girod , D. I. Glazier , C. Gleason , S. Godfrey , J. L. Goity , A. A. Golubenko , S. Gonzàlez-Solís , R. W. Gothe , Y. Gotra , K. Griffioen , O. Grocholski , B. Grube , P. Guèye , F. -K. Guo , Y. Guo , L. Guo , T. J. Hague , N. Hammoud , J. -O. Hansen , M. Hattawy , F. Hauenstein , T. Hayward , D. Heddle , N. Heinrich , O. Hen , D. W. Higinbotham , I. M. Higuera-Angulo , A. N. Hiller Blin , A. Hobart , T. Hobbs , D. E Holmberg , T. Horn , P. Hoyer , G. M. Huber , P. Hurck , P. T. P. Hutauruk , Y. Ilieva , I. Illari , D. G Ireland , E. L. Isupov , A. Italiano , I. Jaegle , N. S. Jarvis , DJ Jenkins , S. Jeschonnek , C-R. Ji , H. S. Jo , M. Jones , R. T. Jones , D. C. Jones , K. Joo , M. Junaid , T. Kageya , N. Kalantarians , A. Karki , G. Karyan , A. T. Katramatou , S. J. D Kay , R. Kazimi , C. D. Keith , C. Keppel , A. Kerbizi , V. Khachatryan , A. Khanal , M. Khandaker , A. Kim , E. R. Kinney , M. Kohl , A. Kotzinian , B. T. Kriesten , V. Kubarovsky , B. Kubis , S. E. Kuhn , V. Kumar , T. Kutz , M. Leali , R. F. Lebed , P. Lenisa , L. Leskovec , S. Li , X. Li , J. Liao , H. -W. Lin , L. Liu , S. Liuti , N. Liyanage , Y. Lu , I. J. D. MacGregor , D. J. Mack , L Maiani , K. A. Mamo , G. Mandaglio , C. Mariani , P. Markowitz , H. Marukyan , V. Mascagna , V. Mathieu , J. Maxwell , M. Mazouz , M. McCaughan , R. D. McKeown , B. McKinnon , D. Meekins , W. Melnitchouk , A. Metz , C. A. Meyer , Z. -E. Meziani , C. Mezrag , R. Michaels , G. A. Miller , T. Mineeva , A. S. Miramontes , M. Mirazita , K. Mizutani , H. Mkrtchyan , A. Mkrtchyan , B. Moffit , P. Mohanmurthy , V. I. Mokeev , P. Monaghan , G. Montaña , R. Montgomery , A. Moretti , J. M. Morgado Chàvez , U. Mosel , A. Movsisyan , P. Musico , S. A Nadeeshani , P. M. Nadolsky , S. X. Nakamura , J. Nazeer , A. V. Nefediev , K. Neupane , D. Nguyen , S. Niccolai , I. Niculescu , G. Niculescu , E. R. Nocera , M. Nycz , F. I. Olness , P. G. Ortega , M. Osipenko , E. Pace , B Pandey , P. Pandey , Z. Papandreou , J. Papavassiliou , L. L. Pappalardo , G. Paredes-Torres , R. Paremuzyan , S. Park , B. Parsamyan , K. D. Paschke , B. Pasquini , E. Passemar , E. Pasyuk , T. Patel , C. Paudel , S. J. Paul , J-C. Peng , L. Pentchev , R. Perrino , R. J. Perry , K. Peters , G. G. Petratos , W. Phelps , E. Piasetzky , A. Pilloni , B. Pire , D. Pitonyak , M. L. Pitt , A. D. Polosa , M. Pospelov , A. C. Postuma , J. Poudel , L. Preet , S. Prelovsek , J. W. Price , A. Prokudin , A. J. R. Puckett , J. R. Pybus , S. -X. Qin , J. -W. Qiu , M. Radici , H. Rashidi , A. D Rathnayake , B. A. Raue , T. Reed , P. E. Reimer , J. Reinhold , J. -M. Richard , M. Rinaldi , F. Ringer , M. Ripani , J. Ritman , J. Rittenhouse West , A. Rivero-Acosta , C. D. Roberts , A. Rodas , S. Rodini , J. Rodríguez-Quintero , T. C. Rogers , J. Rojo , P. Rossi , G. C. Rossi , G. Salmè , S. N. Santiesteban , E. Santopinto , M. Sargsian , N. Sato , S. Schadmand , A. Schmidt , S. M Schmidt , G. Schnell , R. A. Schumacher , P. Schweitzer , I. Scimemi , K. C Scott , D. A Seay , J. Segovia , K. Semenov-Tian-Shansky , A. Seryi , A. S Sharda , M. R. Shepherd , E. V. Shirokov , S. Shrestha , U. Shrestha , V. I. Shvedunov , A. Signori , K. J. Slifer , W. A. Smith , A. Somov , P. Souder , N. Sparveris , F. Spizzo , M. Spreafico , S. Stepanyan , J. R. Stevens , I. I. Strakovsky , S. Strauch , M. Strikman , S. Su , B. C. L. Sumner , E. Sun , M. Suresh , C. Sutera , E. S. Swanson , A. P Szczepaniak , P. Sznajder , H. Szumila-Vance , L. Szymanowski , A. -S. Tadepalli , V. Tadevosyan , B. Tamang , V. V. Tarasov , A. Thiel , X. -B. Tong , R. Tyson , M. Ungaro , G. M. Urciuoli , A. Usman , A. Valcarce , S. Vallarino , C. A. Vaquera-Araujo , L. Venturelli , F. Vera , A. Vladimirov , A. Vossen , J. Wagner , X. Wei , L. B. Weinstein , C. Weiss , R. Williams , D. Winney , B. Wojtsekhowski , M. H. Wood , T. Xiao , S. -S. Xu , Z. Ye , C. Yero , C. -P. Yuan , M. Yurov , N. Zachariou , Z. Zhang , Z. W. Zhao , Y. Zhao , X. Zheng , X. Zhou , V. Ziegler , B. Zihlmann , W de Paula , G. F. de Téramond

12 GeV CEBAF - The Physics and Experiments

In this talk the role of spin and polarization is discussed in experimental search for new excited baryon states and in the study of the internal quark-gluon structure of the proton and neutron. Also the perspective of spin physics at the…

Nuclear Experiment · Physics 2017-02-28 Volker D. Burkert

Probing the Structure of Nucleons in the Resonance Region with CLAS at Jefferson Lab

The physics of electromagnetic excitation of nucleon resonances and of their relevance in nucleon structure studies are discussed. Preliminary data from the CLAS detector on the N-Delta(1232) transition multipoles, the helicity amplitudes…

High Energy Physics - Phenomenology · Physics 2019-08-14 Volker D. Burkert

A Direct Measurement of Hard Two-Photon Exchange with Electrons and Positrons at CLAS12

One of the most surprising discoveries made at Jefferson Lab has been the discrepancy in the determinations of the proton's form factor ratio $\mu_p G_E^p/G_M^p$ between unpolarized cross section measurements and the polarization transfer…

Nuclear Experiment · Physics 2023-08-21 A. Schmidt , W. J. Briscoe , O. Cortes , L. Earnest , G. N. Grauvogel , S. Ratliff , E. M. Seroka , P. Sharp , I. I. Strakovsky , G. Niculescu , S. Diehl , P. G. Blunden , E. Cline , I. Korover , T. Kutz , S. N. Santiesteban , C. Fogler , L. B. Weinstein , D. Marchand , S. Niccolai , E. Voutier , A. D'Angelo , J. C. Bernauer , R. Singh , V. Burkert , F. Hauenstein , D. W. Higinbotham , D. Nguyen , E. Pasyuk , H. Szumila-Vance , X. Wei , D. Keller

Physics of the CLAS collaboration: some selected results

The CLAS collaboration in Hall B at the Thomas Jeffeson National Accelerator Facility (Jefferson Lab) has a broad scientific program. Recent results on the main topics are presented. These concern the electromagnetic exitation of nucleon…

High Energy Physics - Experiment · Physics 2019-08-14 Patrizia Rossi

Issues in Light Meson Spectroscopy: The Case for Meson Spectroscopy at Cebaf

I review some outstanding issues in meson spectroscopy. The most important qualitative issue is whether hadrons with explicit gluonic degrees of freedom exist. To answer this question requires a much better understanding of conventional…

High Energy Physics - Phenomenology · Physics 2009-09-25 Stephen Godfrey

Spectrum and Structure of Excited Baryons with CLAS

In this contribution we discuss recent results in light quark baryon spectroscopy involving CLAS data and higher level analysis results from the partial wave analysis by the Bonn-Gatchina group. New baryon states were discovered largely…

Nuclear Experiment · Physics 2017-03-08 Volker D. Burkert

The JLab 12GeV Upgrade and the Initial Science Program

An overview is presented of the upgrade of JLab's cw electron accelerator from a maximum beam energy of currently 6 GeV to 12 GeV. Construction of the 12 GeV upgrade project has started in 2008. A broad experimental program has been…

Nuclear Experiment · Physics 2012-03-13 Volker D. Burkert

Hadron Spectroscopy with COMPASS -- Newest Results

The COMPASS experiment at the CERN SPS investigates the structure and spectrum of hadrons by scattering high energetic hadrons and polarised muons off various fixed targets. During the years 2002-2007, COMPASS focused on nucleon spin…

High Energy Physics - Experiment · Physics 2019-08-13 Frank Nerling

Strange Hadron Spectroscopy with Secondary KL Beam in Hall D

We propose to create a secondary beam of neutral kaons in Hall D at Jefferson Lab to be used with the GlueX experimental setup for strange hadron spectroscopy. The superior CEBAF electron beam will enable a flux on the order of $1\times…

Nuclear Experiment · Physics 2021-03-05 KLF Collaboration , Moskov Amaryan , Mikhail Bashkanov , Sean Dobbs , James Ritman , Justin Stevens , Igor Strakovsky , Shankar Adhikari , Arshak Asaturyan , Alexander Austregesilo , Marouen Baalouch , Vitaly Baturin , Vladimir Berdnikov , Olga Cortes Becerra , Timothy Black , Werner Boeglin , William Briscoe , William Brooks , Volker Burkert , Eugene Chudakov , Geraint Clash , Philip Cole , Volker Crede , Donal Day , Pavel Degtyarenko , Alexandre Deur , Gail Dodge , Anatoly Dolgolenko , Simon Eidelman , Hovanes Egiyan , Denis Epifanov , Paul Eugenio , Stuart Fegan , Alessandra Filippi , Sergey Furletov , Liping Gan , Franco Garibaldi , Ashot Gasparian , Gagik Gavalian , Derek Glazier , Colin Gleason , Vladimir Goryachev , Lei Guo , David Hamilton , Avetik Hayrapetyan , Garth Huber , Andrew Hurley , Charles Hyde , Isabella Illari , David Ireland , Igal Jaegle , Kyungseon Joo , Vanik Kakoyan , Grzegorz Kalicy , Mahmoud Kamel , Christopher Keith , Chan Wook Kim , Eberhard Klemp , Geoffrey Krafft , Sebastian Kuhn , Sergey Kuleshov , Alexander Laptev , Ilya Larin , David Lawrence , Daniel Lersch , Wenliang Li , Kevin Luckas , Valery Lyubovitskij , David Mack , Michael McCaughan , Mark Manley , Hrachya Marukyan , Vladimir Matveev , Mihai Mocanu , Viktor Mokeev , Curtis Meyer , Bryan McKinnon , Frank Nerling , Matthew Nicol , Gabriel Niculescu , Alexander Ostrovidov , Zisis Papandreou , KiJun Park , Eugene Pasyuk , Peter Pauli , Lubomir Pentchev , William Phelps , John Price , Jorg Reinhold , Dimitri Romanov , Carlos Salgado , Todd Satogata , Susan Schadmand , Amy Schertz , Axel Schmidt , Daniel Sober , Alexander Somov , Sergei Somov , Victor Tarasov , Simon Taylor , Annika Thiel , Guido Maria Urciuoli , Holly Szumila-Vance , Daniel Watts , Lawrence Weinstein , Timothy Whitlatch , Nilanga Wickramaarachchi , Bogdan Wojtsekhowski , Nicholas Zachariou , Jonathan Zarling , Jixie Zhang , Alexey Anisovich , Alexei Bazavov , Rene Bellwied , Veronique Bernard , Gilberto Colangelo , Ales Cieply , Michael Doring , Ali Eskanderian , Jose Goity , Helmut Haberzettl , Mirza Hadzimehmedovic , Robert Jaffe , Boris Kopeliovich , Heinrich Leutwyler , Maxim Mai , Terry Mart , Maxim Matveev , Ulf-G. Meissner , Colin Morningstar , Bachir Moussallam , Kanzo Nakayama , Wolfgang Ochs , Youngseok Oh , Rifat Omerovic , Hedim Osmanovic , Eulogio Oset , Antimo Palano , Jose Pelaez , Alessandro Pilloni , Maxim Polyakov , David Richards , Arkaitz Rodas , Dan-Olof Riska , Jacobo Ruiz de Elvira , Hui-Young Ryu , Elena Santopinto , Andrey Sarantsev , Jugoslav Stahov , Alfred Svarc , Adam Szczepaniak , Ronald Workman , Bing-Song Zou

Jefferson Lab Science, Past and Future

The Continuous Electron Beam Accelerator Facility (CEBAF) and associated experimental equipment at Jefferson Lab comprise a unique facility for experimental nuclear physics. This facility is presently being upgraded, which will enable a new…

Nuclear Experiment · Physics 2015-06-23 R. D. McKeown

Overview of Nuclear Physics at Jefferson Lab

The Continuous Electron Beam Accelerator Facility (CEBAF) and associated experimental equipment at Jefferson Lab comprise a unique facility for experimental nuclear physics. This facility is presently being upgraded, which will enable a new…

Accelerator Physics · Physics 2013-03-27 R. D. McKeown