S
S. Stepanyan
Researcher at Yerevan Physics Institute
Publications - 6
Citations - 383
S. Stepanyan is an academic researcher from Yerevan Physics Institute. The author has contributed to research in topics: Scattering & Momentum transfer. The author has an hindex of 4, co-authored 6 publications receiving 354 citations.
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Journal ArticleDOI
Strange-quark contributions to parity-violating asymmetries in the forward G0 electron-proton scattering experiment
D. S. Armstrong,J. Arvieux,R. Asaturyan,T. Averett,S. L. Bailey,G. Batigne,Douglas H Beck,E. J. Beise,J. Benesch,L. Bimbot,J. Birchall,A. S. Biselli,P. Bosted,E. Boukobza,H. Breuer,R. D. Carlini,R. Carr,N. S. Chant,Y. C. Chao,Subhasis Chattopadhyay,R. Clark,S. Covrig,A. A. Cowley,D. S. Dale,C. A. Davis,W. Falk,J. M. Finn,T. A. Forest,G. B. Franklin,Christophe Furget,D. Gaskell,J. Grames,K. A. Griffioen,K. Grimm,K. Grimm,B. Guillon,H. Guler,L. Hannelius,R. Hasty,A. Hawthorne Allen,T. Horn,K. Johnston,M. K. Jones,P. Kammel,R. Kazimi,P. M. King,P. M. King,A. Kolarkar,E. Korkmaz,Wolfgang Korsch,S. Kox,J. Kuhn,J. Lachniet,L. Lee,J. Lenoble,E. Liatard,Jianglai Liu,B. Loupias,A. Lung,G. A. MacLachlan,D. Marchand,J. W. Martin,J. W. Martin,K. W. McFarlane,D. McKee,R. D. McKeown,F. Merchez,H. Mkrtchyan,Bryan J. Moffit,M. Morlet,I. Nakagawa,K. Nakahara,M. Nakos,R. Neveling,S. Niccolai,S. Ong,S.A. Page,V. Papavassiliou,S. F. Pate,S. K. Phillips,Michael Pitt,M. Poelker,T. A. Porcelli,T. A. Porcelli,G. Quéméner,B. P. Quinn,W. D. Ramsay,A. W. Rauf,J. S. Real,J. Roche,J. Roche,P. G. Roos,G. A. Rutledge,J. A. Secrest,Neven Simicevic,G. R. Smith,D. T. Spayde,D. T. Spayde,S. Stepanyan,M. Stutzman,V. Sulkosky,V. Tadevosyan,Raphael Noel Tieulent,J. Van de Wiele,W. T. H. van Oers,E. Voutier,W. F. Vulcan,Glen A. Warren,S. P. Wells,Shawn Williamson,S. A. Wood,C. Yan,J. Yun,V. Zeps +113 more
TL;DR: Measurement of parity-violating asymmetries in elastic electron-proton scattering indicate nonzero, Q2 dependent, strange-quark contributions and provide new information beyond that obtained in previous experiments.
Journal ArticleDOI
Phenomenology of the deuteron electromagnetic form factors
D. Abbott,A. Ahmidouch,H. Anklin,J. Arvieux,J. P. Ball,S. Beedoe,E. J. Beise,L. Bimbot,W. Boeglin,H. Breuer,R. D. Carlini,N. S. Chant,S. Danagoulian,K. A. Dow,J.E. Ducret,J. A. Dunne,L. Ewell,L. Eyraud,Christophe Furget,M. Garçcon,Ronald Gilman,Charles Glashausser,Paul Gueye,K. Gustafsson,K. Hafidi,A. Honegger,J. Jourdan,S. Kox,G. J. Kumbartzki,L. Lu,A. F. Lung,Pete Markowitz,Justin I. McIntyre,D. G. Meekins,F. Merchez,John C. Mitchell,R. Mohring,S. Mtingwa,H. Mrktchyan,D. Pitz,L. Qin,Ronald Ransome,J. S. Real,P. G. Roos,P. M. Rutt,R. Sawafta,S. Stepanyan,Raphael Noel Tieulent,E. Tomasi-Gustafsson,W. Turchinetz,K. Vansyoc,J. Volmer,E. Voutier,C. Williamson,S. A. Wood,C. Yan,J. Zhao,W. Zhao +57 more
TL;DR: In this article, the deuteron charge form factors from tensor polarization data in elastic electron-deuteron scattering, at given values of the 4-momentum transfer, are presented.
Journal ArticleDOI
The ratio of proton electromagnetic form factors via recoil polarimetry at Q2=1.13(GeV/c)2
G. MacLachlan,A. Aghalaryan,A. Ahmidouch,B. D. Anderson,R. Asaturyan,O. K. Baker,A. R. Baldwin,D. Barkhuff,H. Breuer,R. D. Carlini,E. Christy,S. Churchwell,L. Cole,E. Crouse,S. Danagoulian,S. Danagoulian,Donal Day,T. Eden,T. Eden,M. Elaasar,Rolf Ent,M. Farkhondeh,H. Fenker,J. M. Finn,L. Gan,K. Garrow,Paul Gueye,C. R. Howell,B. Hu,M. K. Jones,James J. Kelly,C. E. Keppel,M. Khandaker,W. Kim,S. Kowalski,A. Lai,A. Lung,D. Mack,Richard Madey,Richard Madey,David Manley,Pete Markowitz,John C. Mitchell,H. Mkrtchyan,A.K. Opper,Brad Plaster,C. F. Perdrisat,V. A. Punjabi,Brian Raue,T. Reichelt,J. Reinhold,J. Roche,Y. Sato,N. Savvinov,A. Yu. Semenov,I. A. Semenova,W. Seo,N. Simicevic,G. R. Smith,Stephen Taylor,S. Stepanyan,V. Tadevosyan,S. Tajima,L. G. Tang,W. Tireman,P.E. Ulmer,W. Vulcan,J. W. Watson,S. Wells,F. R. Wesselmann,S. A. Wood,C. Yan,Chenyu Yan,Sung-Chul Yang,L. Yuan,W. M. Zhang,Hongbo Zhu,Xiaofeng Zhu +77 more
TL;DR: In this paper, the recoil polarimetry was used to extract the ratio of the proton electromagnetic form factors, μ p G E p / G M p = 0.878 ± 0.064 (stat) ±0.012 (sys), at Q 2 = 1.13 (GeV / c ) 2 from the reaction H 1 ( e →, e p → ).
Journal ArticleDOI
Survey of ALT ' asymmetries in semi-exclusive electron scattering on He-4 and C-12
D. Protopopescu,F. W. Hersman,M. Holtrop,G. S. Adams,P. Ambrozewicz,E. Anciant,M. Anghinolfi,B. Asavapibhop,G. Asryan,G. Audit,Thierry Auger,H. Avakian,H. Bagdasaryan,J. P. Ball,S. Barrow,M. Battaglieri,K. Beard,M. Bektasoglu,M. Bektasoglu,M. Bellis,N. Benmouna,B. L. Berman,William Bertozzi,Nicola Bianchi,A. S. Biselli,S. Boiarinov,B. E. Bonner,Sylvain Bouchigny,R. Bradford,D. Branford,W. J. Briscoe,W. K. Brooks,Volker D. Burkert,C. Butuceanu,J. R. Calarco,Daniel S. Carman,B. Carnahan,C. Cetina,Shifeng Chen,P. L. Cole,P. L. Cole,A. Coleman,A. Coleman,D. Cords,P. Corvisiero,D. G. Crabb,Hall Crannell,J. P. Cummings,Dimitri Debruyne,E. De Sanctis,R. DeVita,P. V. Degtyarenko,L. C. Dennis,K. V. Dharmawardane,Kalvir S. Dhuga,C. Djalali,G. E. Dodge,D. Doughty,D. Doughty,P. Dragovitsch,Michael Dugger,S. A. Dytman,O. P. Dzyubak,H. Egiyan,H. Egiyan,K. S. Egiyan,L. Elouadrhiri,L. Elouadrhiri,A. Empl,P. Eugenio,R. Fatemi,R. J. Feuerbach,T. A. Forest,H. O. Funsten,G. Gavalian,G. Gavalian,Shalev Gilad,Gerard Gilfoyle,K. L. Giovanetti,Patrick Girard,C. I O Gordon,R. W. Gothe,K. A. Griffioen,M. Guidal,M. Guillo,N. Guler,L. Guo,V. Gyurjyan,Cynthia Marie Hadjidakis,R. S. Hakobyan,J. Hardie,J. Hardie,D. Heddle,D. Heddle,K. Hicks,I. Hleiqawi,J. Hu,C. E. Hyde-Wright,W. Ingram,D. G. Ireland,M. M. Ito,D. G. Jenkins,K. Joo,K. Joo,H. G. Juengst,J. H. Kelley,J. D. Kellie,M. Khandaker,K. Y. Kim,Kwangsoo Kim,W. Kim,Avraham Klein,Friedrich Klein,Alexei V. Klimenko,M. Klusman,M. Kossov,Laird Kramer,Laird Kramer,S. E. Kuhn,J. Kuhn,J. Lachniet,J. M. Laget,J. Langheinrich,D. Lawrence,T. Lee,Ji Li,K. Livingston,K. Lukashin,J. J. Manak,C. Marchand,S. McAleer,S. McLauchlan,J. W C McNabb,Bernhard Mecking,J. J. Melone,M. D. Mestayer,C. A. Meyer,K. Mikhailov,R. C. Minehart,M. Mirazita,R. A. Miskimen,L. Morand,S. A. Morrow,Valeria Muccifora,James Mueller,G. S. Mutchler,J. Napolitano,Rakhsha Nasseripour,S. O. Nelson,S. Niccolai,G. Niculescu,G. Niculescu,I. Niculescu,I. Niculescu,B. B. Niczyporuk,R. A. Niyazov,R. A. Niyazov,M. Nozar,G. V. O'Rielly,M. Osipenko,A. I. Ostrovidov,K. Park,E. Pasyuk,G. A. Peterson,S. A. Philips,N. Pivnyuk,Dinko Pocanic,O. Pogorelko,E. Polli,S. Pozdniakov,B. M. Preedom,J. W. Price,Y. Prok,L. M. Qin,Brian Raue,Brian Raue,G. Riccardi,G. Ricco,M. Ripani,Barry Ritchie,Federico Ronchetti,G. Rosner,P. Rossi,D. Rowntree,P. D. Rubin,Jan Ryckebusch,F. Sabatié,K. Sabourov,C. Salgado,J. P. Santoro,J. P. Santoro,V. Sapunenko,R. A. Schumacher,V. S. Serov,Y.G. Sharabian,J. Shaw,S. Simionatto,A. V. Skabelin,Elton Smith,L. C. Smith,D. I. Sober,M. Spraker,A.V. Stavinsky,S. Stepanyan,B. E. Stokes,P. Stoler,S. Strauch,M. Taiuti,Susan Taylor,D. J. Tedeschi,U. Thoma,Roy Thompson,A. Tkabladze,L. Todor,C. Tur,M. Ungaro,Michael Vineyard,Michael Vineyard,A. V. Vlassov,K. Wang,Larry Weinstein,H. R. Weller,D. P. Weygand,C. S. Whisnant,Michael L. Williams,E. Wolin,Michael Wood,A. Yegneswaran,J. Yun,Lorenzo Zana,Baile Zhang +230 more
TL;DR: In this paper, single spin azimuthal asymmetries were measured at Jefferson Lab using 2.2 and 4.4 GeV longitudinally polarised electrons incident on 4 He and 12 C targets in the CLAS detector.
Journal ArticleDOI
Neutron electric form factor up to Q 2 = 1.47 GeV/c 2
Richard Madey,Richard Madey,A. Yu. Semenov,S. Taylor,A. Aghalaryan,E. Crouse,G. MacLachlan,Brad Plaster,S. Tajima,W. Tireman,Chenyu Yan,A. Ahmidouch,B.D. Anderson,Hartmuth Arenhövel,R. Asaturyan,O. K. Baker,A.R. Baldwin,H. Breuer,R. D. Carlini,E. Christy,S. Churchwell,L. Cole,S. Danagoulian,S. Danagoulian,Donal Day,M. Elaasar,Rolf Ent,M. Farkhondeh,H. Fenker,J.M. Finn,L. Gan,K. Garrow,Paul Gueye,C. R. Howell,B. Hu,M. K. Jones,James J. Kelly,C. E. Keppel,M. Khandaker,W. Kim,S. Kowalski,A. Lung,D. Mack,David Manley,Pete Markowitz,John C. Mitchell,H. Mkrtchyan,A.K. Opper,C. Perdrisat,V. Punjabi,Brian Raue,T. Reichelt,J. Reinhold,J. Roche,Y. Sato,I. A. Semenova,W. Seo,N. Simicevic,G. R. Smith,S. Stepanyan,V. Tadevosyan,L. G. Tang,P.E. Ulmer,W. Vulcan,J.W. Watson,S. Wells,F. R. Wesselmann,S. A. Wood,Chen Yan,Sung-Chul Yang,L. Yuan,W.-M. Zhang,Hongbo Zhu,Xiaofeng Zhu +73 more
TL;DR: In this paper, the authors measured the ratio of the electric to the magnetic form factor of the neutron using recoil polarimetry at three values of Q2 (viz, 0.45, 1.15, and 1.47 (GeV/c)2).