J
J. O. Hansen
Researcher at Thomas Jefferson National Accelerator Facility
Publications - 72
Citations - 3480
J. O. Hansen is an academic researcher from Thomas Jefferson National Accelerator Facility. The author has contributed to research in topics: Nucleon & Scattering. The author has an hindex of 25, co-authored 53 publications receiving 2752 citations.
Papers
More filters
Journal ArticleDOI
Probing Cold Dense Nuclear Matter
R. Subedi,R. Shneor,P. Monaghan,B. D. Anderson,K. A. Aniol,Jrm Annand,John Arrington,H. Benaoum,H. Benaoum,Fatiha Benmokhtar,W. U. Boeglin,J. P. Chen,Seonho Choi,E. Cisbani,B. Craver,S. Frullani,F. Garibaldi,Shalev Gilad,Ronald Gilman,Ronald Gilman,O. Glamazdin,J. O. Hansen,Douglas Higinbotham,T. Holmstrom,H. F. Ibrahim,R. Igarashi,C. W. de Jager,E. Jans,X. Jiang,L. J. Kaufman,L. J. Kaufman,A. Kelleher,A. Kolarkar,G. J. Kumbartzki,J. LeRose,R. A. Lindgren,Nilanga Liyanage,D. J. Margaziotis,Pete Markowitz,S. Marrone,M. Mazouz,D. G. Meekins,R. Michaels,Bryan J. Moffit,C. F. Perdrisat,Eli Piasetzky,M. Potokar,V. A. Punjabi,Yujie Qiang,J. Reinhold,Guy Ron,G. Rosner,Arijit Saha,B. Sawatzky,B. Sawatzky,A. Shahinyan,Simon Širca,Karl Slifer,P. Solvignon,V. Sulkosky,G. M. Urciuoli,E. Voutier,J. W. Watson,Larry Weinstein,Bogdan Wojtsekhowski,S. A. Wood,X. Zheng,X. Zheng,X. Zheng,L. Zhu +69 more
TL;DR: Scattering experiments show that in carbon-12 the neutron-proton pairs are nearly 20 times as prevalent as proton- Proton pairs and, by inference, neutron-neutron pairs, which has implications for understanding cold dense nuclear systems such as neutron stars.
Journal ArticleDOI
Proton elastic form-factor ratios to Q**2 = 3.5-GeV**2 by polarization transfer
V. A. Punjabi,C. F. Perdrisat,K. A. Aniol,F. T. Baker,J. Berthot,P.Y. Bertin,William Bertozzi,A. Besson,L. Bimbot,W. U. Boeglin,E. J. Brash,E. J. Brash,E. J. Brash,D. S. Brown,J. R. Calarco,L. Cardman,Z. Chai,C. C. Chang,Jian-Ping Chen,E. Chudakov,S. Churchwell,E. Cisbani,D. S. Dale,R. De Leo,A. Deur,A. Deur,B. Diederich,J. Domingo,M. B. Epstein,L. A. Ewell,Kevin Fissum,Kevin Fissum,Andre Fleck,H. Fonvieille,Salvatore Frullani,J. Gao,J. Gao,Franco Garibaldi,A. Gasparian,A. Gasparian,G. M. Gerstner,Shalev Gilad,Ronald Gilman,A. V. Glamazdin,Charles Glashausser,J. Gomez,V. Gorbenko,A. Green,J. O. Hansen,C. R. Howell,G. M. Huber,M. Iodice,C. W. de Jager,S. Jaminion,X. Jiang,M. K. Jones,M. K. Jones,W. Kahl,James J. Kelly,M. Khayat,Laird Kramer,G. Kumbartzki,M. Kuss,E. Lakuriki,G. Laveissière,J. J. LeRose,M. Liang,R. A. Lindgren,Nilanga Liyanage,Nilanga Liyanage,Nilanga Liyanage,G. J. Lolos,R. Macri,R. Madey,R. Madey,S. Malov,D. J. Margaziotis,Pete Markowitz,K. McCormick,K. McCormick,K. McCormick,Justin I. McIntyre,R. L.J. van der Meer,R. L.J. van der Meer,R. Michaels,B. D. Milbrath,J. Y. Mougey,S. K. Nanda,E. A.J.M. Offermann,Z. Papandreou,L. Pentchev,G. G. Petratos,N. M. Piskunov,R. I. Pomatsalyuk,David L. Prout,G. Quéméner,Ronald Ransome,Brian Raue,Y. Roblin,Y. Roblin,R. Roche,R. Roche,G. Rutledge,P. M. Rutt,A. Saha,T. Saito,A. J. Sarty,A. J. Sarty,T. P. Smith,Pavel Sorokin,S. Strauch,S. Strauch,R. Suleiman,R. Suleiman,K. Takahashi,J. A. Templon,L. Todor,L. Todor,P. E. Ulmer,G. M. Urciuoli,P. Vernin,Branislav Vlahovic,H. Voskanyan,K. Wijesooriya,Bogdan Wojtsekhowski,R. J. Woo,F. Xiong,George Dan Zainea,Z. L. Zhou +128 more
TL;DR: In this article, the authors measured Pt and P, the transverse and longitudinal recoil proton polarization components, respectively, for the elastic epepreaction in the four-momentum transfer squared range of 0.5 to 3.5 GeV2.
Journal ArticleDOI
Search for a new gauge boson in electron-nucleus fixed-target scattering by the APEX experiment.
S. Abrahamyan,Z. Ahmed,Kalyan Allada,D. Anez,T. Averett,A. Barbieri,K. Bartlett,James Baker Beacham,J. Bono,James Boyce,P. Brindza,A. Camsonne,Kyle Cranmer,M. M. Dalton,C. W. de Jager,C. W. de Jager,J. Donaghy,R. Essig,C. Field,E. Folts,Ashot Gasparian,Neil Goeckner-Wald,J. Gomez,M. T. Graham,J. O. Hansen,Douglas Higinbotham,T. Holmstrom,J. Huang,S. Iqbal,J. A. Jaros,Eric L. N. Jensen,A. Kelleher,M. Khandaker,M. Khandaker,J. LeRose,R. A. Lindgren,Nilanga Liyanage,E. Long,Juliette Mammei,Pete Markowitz,T. Maruyama,V. Maxwell,S. Mayilyan,J. McDonald,R. Michaels,K.C. Moffeit,Vladimir Nelyubin,A.C. Odian,M. Oriunno,R. Partridge,M. Paolone,E. Piasetzky,Ishay Pomerantz,Yujie Qiang,S. Riordan,Y. Roblin,B. Sawatzky,Philip Schuster,Philip Schuster,J. Segal,L. Selvy,A. Shahinyan,R. Subedi,Vincent Sulkosky,S. Stepanyan,Natalia Toro,Natalia Toro,D. Walz,Bogdan Wojtsekhowski,Jie Zhang +69 more
TL;DR: In this paper, a search at the Jefferson Laboratory for new forces mediated by sub-GeV vector bosons with weak coupling α' to electrons was conducted using APEX test run data.
Journal ArticleDOI
Accurate Determination of the Neutron Skin Thickness of ^{208}Pb through Parity-Violation in Electron Scattering.
D. Adhikari,H. Albataineh,Darko Androić,K. A. Aniol,D. S. Armstrong,T. Averett,C. Ayerbe Gayoso,S. Barcus,V. Bellini,R. S. Beminiwattha,Jay Benesch,H. Bhatt,D. Bhatta Pathak,D. Bhetuwal,B. Blaikie,Q. Campagna,A. Camsonne,G. D. Cates,Y. Chen,C. Clarke,J. C. Cornejo,S. Covrig Dusa,P. Datta,A. Deshpande,Dipangkar Dutta,C. Feldman,E. Fuchey,C. Gal,C. Gal,D. Gaskell,T. Gautam,Michael Gericke,C. Ghosh,C. Ghosh,I. Halilovic,J. O. Hansen,F. Hauenstein,W. Henry,Charles Horowitz,C. Jantzi,Siyu Jian,S. Johnston,D. C. Jones,B. Karki,S. Katugampola,Cynthia Keppel,P. M. King,D. King,M. Knauss,K. S. Kumar,T. Kutz,N. Lashley-Colthirst,G. Leverick,H. Liu,N. Liyange,S. Malace,R. Mammei,Juliette Mammei,M. McCaughan,D. McNulty,D. G. Meekins,C. Metts,R. Michaels,M. M. Mondal,Jim Napolitano,A. Narayan,D. Nikolaev,M. N. H. Rashad,V. Owen,C. Palatchi,J. Pan,B. Pandey,S. Park,Kent Paschke,M. Petrusky,Michael Pitt,S. Premathilake,Andrew Puckett,B. P. Quinn,R. W. Radloff,S. Rahman,A. Rathnayake,Brendan Reed,P. E. Reimer,R. Richards,S. Riordan,Y. Roblin,S. Seeds,A. Shahinyan,Paul Souder,L. G. Tang,L. G. Tang,Michaela Thiel,Y. Tian,G. M. Urciuoli,E. W. Wertz,Bogdan Wojtsekhowski,B. Yale,T. Ye,A. Yoon,A. Zec,W. Zhang,Jiawen Zhang,Jiawen Zhang,X. Zheng +104 more
TL;DR: In this paper, the parity-violating asymmetry in the elastic scattering of longitudinally polarized electrons from 208 Pb was measured, leading to an extraction of the neutral weak form factor F = 0.0036(exp)±0.0013(theo)
Journal ArticleDOI
Basic instrumentation for Hall A at Jefferson Lab
J. Alcorn,B. D. Anderson,K. A. Aniol,Jrm Annand,L. B. Auerbach,John Arrington,T. Averett,F. T. Baker,M. Baylac,E. J. Beise,J. Berthot,P.Y. Bertin,William Bertozzi,L. Bimbot,T. Black,T. Black,W. U. Boeglin,D. V. Boykin,E. J. Brash,Vincent Breton,H. Breuer,P. Brindza,D. S. Brown,E. Burtin,J. R. Calarco,L. Cardman,R. Carr,Gordon D. Cates,Gordon D. Cates,C. Cavata,Z. Chai,C. C. Chang,N. S. Chant,Jian-Ping Chen,Seonho Choi,E. Chudakov,S. Churchwell,M. Coman,E. Cisbani,S. Colilli,N. Colombel,R. Crateri,D. S. Dale,N. Degrande,C. W. de Jager,R. De Leo,A. Deur,A. Deur,A. Deur,G. Dezern,B. Diederich,Sonja Dieterich,R. Di Salvo,P. Djawotho,J. Domingo,J.E. Ducret,Dipangkar Dutta,K. S. Egiyan,M. B. Epstein,Stephanie Escoffier,S. Esp,L. A. Ewell,J. M. Finn,Kevin Fissum,Kevin Fissum,E. Folts,H. Fonvieille,B. Frois,S. Frullani,Haiyan Gao,Haiyan Gao,J. Gao,J. Gao,F. Garibaldi,A. Gasparian,A. Gasparian,A. Gavalya,Olivier Gayou,Olivier Gayou,Shalev Gilad,Ronald Gilman,Ronald Gilman,F. Giuliani,A. V. Glamazdin,C. Glashausser,J. Gomez,V. Gorbenko,T. P. Gorringe,M. Gricia,K. A. Griffioen,David Hamilton,J. O. Hansen,F. W. Hersman,Douglas Higinbotham,R. Holmes,H. Holmgren,M. Holtrop,N. d'Hose,E. Hovhannisyan,C. R. Howell,G. M. Huber,E. W. Hughes,C. E. Hyde-Wright,H. F. Ibrahim,Sebastien Incerti,Mauro Iodice,R. Iommi,D. G. Ireland,S. Jaminion,J. Jardillier,S. Jensen,X. Jiang,C. E. Jones,M. K. Jones,M. K. Jones,K. Joo,K. Joo,C. Jutier,C. Jutier,W. Kahl,Seigo Kato,A. T. Katramatou,James J. Kelly,S. Kerhoas,A. Ketikyan,M. Khandaker,M. Khayat,K. Kino,I. K. Kominis,Wolfgang Korsch,S. Kox,K. Kramer,K. S. Kumar,K. S. Kumar,G. J. Kumbartzki,M. Kuss,L. Lagamba,G. Laveissière,A. Leone,J. LeRose,F. Marie,Leonid Levchuk,M. Leuschner,D. Lhuillier,M. Liang,K. Livingston,R. A. Lindgren,Nilanga Liyanage,Nilanga Liyanage,Nilanga Liyanage,G. J. Lolos,R. W. Lourie,R. W. Lourie,M. Lucentini,R. Madey,R. Madey,R. Madey,Kazushige Maeda,S. Malov,David Manley,D. J. Margaziotis,Pete Markowitz,J. Marroncle,J. Martine,S. Mayilyan,J. S. McCarthy,K. McCormick,K. McCormick,K. McCormick,J. Mclntyre,R. D. McKeown,D. G. Meekins,R. L.J. van der Meer,R. L.J. van der Meer,Z. E. Meziani,R. Michaels,B. D. Milbrath,James A. Miller,W. Miller,J. H. Mitchell,J. H. Mitchell,J. Y. Mougey,S. K. Nanda,Alan M. Nathan,D. Neyret,E. A.J.M. Offermann,E. A.J.M. Offermann,Z. Papandreou,C. F. Perdrisat,Roberto Perrino,G. G. Petratos,A. Petrosyan,L. Pierangeli,S. Platchkov,R. I. Pomatsalyuk,D. Pripstein,David L. Prout,V. A. Punjabi,T. Pussieux,G. Quéméner,G. Quéméner,R. D. Ransomez,O. Ravel,B. Reitz,Y. Roblin,Y. Roblin,R. Roche,R. Roche,M. Roedelbronn,O. Rondon-Aramayo,P. G. Roos,G. Rosner,D. Rowntree,G. A. Rutledge,P. M. Rutt,M. Rvachev,F. Sabatavenere,Arijit Saha,T. Saito,F. Santavenere,A. J. Sarty,A. J. Sarty,W. J. Schneider,J. Segal,A. Serdarevic-Offermann,A. Serdarevic-Offermann,A. Shahinyan,Karl Slifer,T. P. Smith,A. Soldi,Pavel Sorokin,Paul Souder,S. L. Spiegel,M. A. Stevens,S. Strauch,S. Strauch,R. Suleiman,R. Suleiman,J. A. Templon,T. Terasawa,L. Todor,L. Todor,Hiroaki Tsubota,H. Ueno,P. E. Ulmer,G. M. Urciuoli,L. Van Hoorebeke,R. Van de Vyver,S. van Verst,P. Vernin,Branislav Vlahovic,Branislav Vlahovic,H. Voskanyan,E. Voutier,R. L. Walter,J. W. Watson,D. P. Watts,Larry Weinstein,K. Wijesooriya,K. Wijesooriya,K. Wijesooriya,Bogdan Wojtsekhowski,H. Xiang,F. Xiong,W. Xu,D. G. Zainea,V. Zeps,Jing Zhao,X. Zheng,X. Zheng,Z. L. Zhou,L. Zhu,P. A. Zolnierczuk +272 more
TL;DR: The Thomas Jefferson National Accelerator Facility was designed to study electro-and photo-induced reactions at very high luminosity and good momentum and angular resolution for at least one of the reaction products.