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NSR database version of April 11, 2024.

Search: Author = V.Tvaskis

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2022LI32      Phys.Rev. C 105, 065205 (2022)

Y.Liang, V.Tvaskis, M.E.Christy, A.Ahmidouch, C.S.Armstrong, J.Arrington, R.Asaturyan, S.Avery, O.K.Baker, D.H.Beck, H.P.Blok, C.W.Bochna, W.Boeglin, P.Bosted, M.Bouwhuis, H.Breuer, D.S.Brown, A.Bruell, R.D.Carlini, J.Cha, N.S.Chant, A.Cochran, L.Cole, S.Danagoulian, D.B.Day, J.Dunne, D.Dutta, R.Ent, H.C.Fenker, B.Fox, L.Gan, H.Gao, K.Garrow, D.Gaskell, A.Gasparian, D.F.Geesaman, R.Gilman, P.L.J.Gueye, M.Harvey, R.J.Holt, X.Jiang, M.Jones, C.E.Keppel, E.Kinney, W.Lorenzon, A.Lung, D.J.Mack, P.Markowitz, J.W.Martin, K.McIlhany, D.McKee, D.Meekins, M.A.Miller, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.A.Mueller, A.Nathan, G.Niculescu, I.Niculescu, T.G.O'Neill, V.Papavassiliou, S.F.Pate, R.B.Piercey, D.Potterveld, R.D.Ransome, J.Reinhold, E.Rollinde, O.Rondon, P.Roos, A.J.Sarty, R.Sawafta, E.C.Schulte, E.Segbefia, C.Smith, S.Stepanyan, S.Strauch, V.Tadevosyan, L.Tang, R.Tieulent, A.Uzzle, W.F.Vulcan, S.A.Wood, F.Xiong, L.Yuan, M.Zeier, B.Zihlmann, V.Ziskin

Measurement of R=σ_L/σ_T and the separated longitudinal and transverse structure functions in the nucleon-resonance region

NUCLEAR REACTIONS ¹H(e, X), E=1.2-5.5 GeV; measured reaction products; deduced σ(θ), σ_L/σ_T, longitudinal and transverse nucleon structure function. High momentum spectrometer (HMS) at CEBAF accelerator (JLab).

doi: 10.1103/PhysRevC.105.065205
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2021AR12      Phys.Rev. C 104, 065203 (2021)

J.Arrington, J.Bane, A.Daniel, N.Fomin, D.Gaskell, J.Seely, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, M.H.S.Bukhari, M.E.Christy, S.Connell, M.M.Dalton, D.Day, J.Dunne, D.Dutta, L.El Fassi, R.Ent, H.Fenker, H.Gao, R.J.Holt, T.Horn, E.Hungerford, M.K.Jones, J.Jourdan, N.Kalantarians, C.E.Keppel, D.Kiselev, A.F.Lung, S.Malace, D.G.Meekins, T.Mertens, H.Mkrtchyan, G.Niculescu, I.Niculescu, D.H.Potterveld, C.Perdrisat, V.Punjabi, X.Qian, P.E.Reimer, J.Roche, V.M.Rodriguez, O.Rondon, E.Schulte, K.Slifer, G.R.Smith, P.Solvignon, V.Tadevosyan, L.Tang, G.Testa, R.Trojer, V.Tvaskis, F.R.Wesselmann, S.A.Wood, L.Yuan, X.Zheng

Measurement of the EMC effect in light and heavy nuclei

NUCLEAR REACTIONS ²H, ^3,4He, ⁹Be, ¹²C, ⁶³Cu, ¹⁹⁷Au(e, e'), E=5.77 GeV; measured scattered electrons using high momentum spectrometer (HMS), a magnetic focusing spectrometer at the Thomas Jefferson National Accelerator facility; deduced charge symmetric background, differential σ, magnitude of isoscalar corrections, EMC (European Muon Collaboration effect) ratios; analyzed present data combined with those from SLAC and CLAS. Cross sections listed in Supplemental Material. Relevance to atomic mass A-dependence of the EMC effect of nuclear structure functions differing significantly from the sum of proton and neutron distributions.

doi: 10.1103/PhysRevC.104.065203
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2018TV01      Phys.Rev. C 97, 045204 (2018)

V.Tvaskis, A.Tvaskis, I.Niculescu, D.Abbott, G.S.Adams, A.Afanasev, A.Ahmidouch, T.Angelescu, J.Arrington, R.Asaturyan, S.Avery, O.K.Baker, N.Benmouna, B.L.Berman, A.Biselli, H.P.Blok, W.U.Boeglin, P.E.Bosted, E.Brash, H.Breuer, G.Chang, N.Chant, M.E.Christy, S.H.Connell, M.M.Dalton, S.Danagoulian, D.Day, T.Dodario, J.A.Dunne, D.Dutta, N.El Khayari, R.Ent, H.C.Fenker, V.V.Frolov, D.Gaskell, K.Garrow, R.Gilman, P.Gueye, K.Hafidi, W.Hinton, R.J.Holt, T.Horn, G.M.Huber, H.Jackson, X.Jiang, M.K.Jones, K.Joo, J.J.Kelly, C.E.Keppel, J.Kuhn, E.Kinney, A.Klein, V.Kubarovsky, Y.Liang, G.Lolos, A.Lung, D.Mack, S.Malace, P.Markowitz, G.Mbianda, E.McGrath, D.Mckee, D.G.Meekins, H.Mkrtchyan, J.Napolitano, T.Navasardyan, G.Niculescu, M.Nozar, T.Ostapenko, Z.Papandreou, D.Potterveld, P.E.Reimer, J.Reinhold, J.Roche, S.E.Rock, E.Schulte, E.Segbefia, C.Smith, G.R.Smith, P.Stoler, V.Tadevosyan, L.Tang, J.Telfeyan, L.Todor, M.Ungaro, A.Uzzle, S.Vidakovic, A.Villano, W.F.Vulcan, G.Warren, F.Wesselmann, B.Wojtsekhowski, S.A.Wood, C.Yan, B.Zihlmann

Measurements of the separated longitudinal structure function F_L from hydrogen and deuterium targets at low Q²

NUCLEAR REACTIONS ^1,2H(e, e'), E=2.24, 3.04, 4.41, 5.50 GeV; measured scattered electrons, differential σ(E, θ) using the high momentum spectrometer (HMS) and the short orbit spectrometer (SOS) at CEBAF-Thomas Jefferson National Accelerator (JLab) facility; deduced structure functions and longitudinal structure functions for protons and deuterons using Rosebluth separation technique, smaller longitudinal structure function and a smaller ratio of longitudinal to transverse cross section for deuteron than the proton, possible suppression of the gluonic distribution in nuclei. Comparison with parametrizations, previous experimental data, and theoretical predictions extrapolated to the beam energies investigated.

doi: 10.1103/PhysRevC.97.045204
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2012FO06      Phys.Rev.Lett. 108, 092502 (2012)

N.Fomin, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, M.H.S.Bukhari, M.E.Christy, E.Chudakov, B.Clasie, S.H.Connell, M.M.Dalton, A.Daniel, D.B.Day, D.Dutta, R.Ent, L.El Fassi, H.Fenker, B.W.Filippone, K.Garrow, D.Gaskell, C.Hill, R.J.Holt, T.Horn, M.K.Jones, J.Jourdan, N.Kalantarians, C.E.Keppel, D.Kiselev, M.Kotulla, R.Lindgren, A.F.Lung, S.Malace, P.Markowitz, P.McKee, D.G.Meekins, H.Mkrtchyan, T.Navasardyan, G.Niculescu, A.K.Opper, C.Perdrisat, D.H.Potterveld, V.Punjabi, X.Qian, P.E.Reimer, J.Roche, V.M.Rodriguez, O.Rondon, E.Schulte, J.Seely, E.Segbefia, K.Slifer, G.R.Smith, P.Solvignon, V.Tadevosyan S.Tajima, L.Tang, G.Testa, R.Trojer, V.Tvaskis, W.F.Vulcan, C.Wasko, F.R.Wesselmann, S.A.Wood, J.Wright, X.Zheng

New Measurements of High-Momentum Nucleons and Short-Range Structures in Nuclei

doi: 10.1103/PhysRevLett.108.092502
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2011NU02      Phys.Rev. C 84, 015210 (2011)

Nuruzzaman, D.Dutta, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, B.Clasie, M.E.Christy, E.Chudakov, M.M.Dalton, A.Daniel, D.Day, L.El Fassi, R.Ent, H.C.Fenker, J.Ferrer, N.Fomin, H.Gao, K.Garrow, D.Gaskell, C.Gray, T.Horn, G.M.Huber, M.K.Jones, N.Kalantarians, C.E.Keppel, K.Kramer, Y.Li, Y.Liang, A.F.Lung, S.Malace, P.Markowitz, A.Matsumura, D.G.Meekins, T.Mertens, T.Miyoshi, H.Mkrtchyan, R.Monson, T.Navasardyan, G.Niculescu, I.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, V.Punjabi, X.Qian, A.W.Rauf, V.M.Rodriquez, D.Rohe, J.Seely, E.Segbefia, G.R.Smith, M.Sumihama, V.Tadevosyan, L.Tang, V.Tvaskis, W.F.Vulcan, F.R.Wesselmann, S.A.Wood, L.Yuan, X.C.Zheng

Nuclear transparency and effective kaon-nucleon cross section from the A(e, e'K⁺) reaction

doi: 10.1103/PhysRevC.84.015210
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2010FO09      Phys.Rev.Lett. 105, 212502 (2010)

N.Fomin, J.Arrington, D.B.Day, D.Gaskell, A.Daniel, J.Seely, R.Asaturyan, F.Benmokhtar, W.Boeglin, B.Boillat, P.Bosted, A.Bruell, M.H.S.Bukhari, M.E.Christy, E.Chudakov, B.Clasie, S.H.Connell, M.M.Dalton, D.Dutta, R.Ent, L.El Fassi, H.Fenker, B.W.Filippone, K.Garrow, C.Hill, R.J.Holt, T.Horn, M.K.Jones, J.Jourdan, N.Kalantarians, C.E.Keppel, D.Kiselev, M.Kotulla, R.Lindgren, A.F.Lung, S.Malace, P.Markowitz, P.McKee, D.G.Meekins, T.Miyoshi, H.Mkrtchyan, T.Navasardyan, G.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, D.H.Potterveld, V.Punjabi, X.Qian, P.E.Reimer, J.Roche, V.M.Rodriguez, O.Rondon, E.Schulte, E.Segbefia, K.Slifer, G.R.Smith, P.Solvignon, V.Tadevosyan, S.Tajima, L.Tang, G.Testa, R.Trojer, V.Tvaskis, W.F.Vulcan, C.Wasko, F.R.Wesselmann, S.A.Wood, J.Wright, X.Zheng

Scaling of the F₂ Structure Function in Nuclei and Quark Distributions at χ > 1

doi: 10.1103/PhysRevLett.105.212502
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2010TV01      Phys.Rev. C 81, 055207 (2010)

V.Tvaskis, J.Arrington, R.Asaturyan, O.K.Baker, H.P.Blok, P.Bosted, M.Boswell, A.Bruell, M.E.Christy, A.Cochran, R.Ent, B.W.Filippone, A.Gasparian, C.E.Keppel, E.Kinney, L.Lapikas, W.Lorenzon, D.J.Mack, J.Mammei, J.W.Martin, H.Mkrtchyan, I.Niculescu, R.B.Piercey, D.H.Potterveld, G.Smith, K.Spurlock, G.van der Steenhoven, S.Stepanyan, V.Tadevosian, S.A.Wood

Proton and deuteron F₂ structure function at low Q²

doi: 10.1103/PhysRevC.81.055207
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2009DA11      Phys.Rev. C 80, 015205 (2009)

M.M.Dalton, G.S.Adams, A.Ahmidouch, T.Angelescu, J.Arrington, R.Asaturyan, O.K.Baker, N.Benmouna, C.Bertoncini, W.U.Boeglin, P.E.Bosted, H.Breuer, M.E.Christy, S.H.Connell, Y.Cui, S.Danagoulian, D.Day, T.Dodario, J.A.Dunne, D.Dutta, N.El Khayari, R.Ent, H.C.Fenker, V.V.Frolov, L.Gan, D.Gaskell, K.Hafidi, W.Hinton, R.J.Holt, T.Horn, G.M.Huber, E.Hungerford, X.Jiang, M.K.Jones, K.Joo, N.Kalantarians, J.J.Kelly, C.E.Keppel, V.Kubarovsky, Y.Li, Y.Liang, S.Malace, P.Markowitz, P.McKee, D.G.Meekins, H.Mkrtchyan, B.Moziak, T.Navasardyan, G.Niculescu, I.Niculescu, A.K.Opper, T.Ostapenko, P.E.Reimer, J.Reinhold, J.Roche, S.E.Rock, E.Schulte, E.Segbefia, C.Smith, G.R.Smith, P.Stoler, V.Tadevosyan, L.Tang, V.Tvaskis, M.Ungaro, A.Uzzle, S.Vidakovic, A.Villano, W.F.Vulcan, M.Wang, G.Warren, F.R.Wesselmann, B.Wojtsekhowski, S.A.Wood, C.Xu, L.Yuan, X.Zheng, H.Zhu

Electroproduction of η mesons in the S₁₁(1535) resonance region at high momentum transfer

doi: 10.1103/PhysRevC.80.015205
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2009SE12      Phys.Rev.Lett. 103, 202301 (2009)

J.Seely, A.Daniel, D.Gaskell, J.Arrington, N.Fomin, P.Solvignon, R.Asaturyan, F.Benmokhtar, W.Boeglin, B.Boillat, P.Bosted, A.Bruell, M.H.S.Bukhari, M.E.Christy, B.Clasie, S.Connell, M.M.Dalton, D.Day, J.Dunne, D.Dutta, L.El Fassi, R.Ent, H.Fenker, B.W.Filippone, H.Gao, C.Hill, R.J.Holt, T.Horn, E.Hungerford, M.K.Jones, J.Jourdan, N.Kalantarians, C.E.Keppel, D.Kiselev, M.Kotulla, C.Lee, A.F.Lung, S.Malace, D.G.Meekins, T.Mertens, H.Mkrtchyan, T.Navasardyan, G.Niculescu, I.Niculescu, H.Nomura, Y.Okayasu, A.K.Opper, C.Perdrisat, D.H.Potterveld, V.Punjabi, X.Qian, P.E.Reimer, J.Roche, V.M.Rodriguez, O.Rondon, E.Schulte, E.Segbefia, K.Slifer, G.R.Smith, V.Tadevosyan, S.Tajima, L.Tang, G.Testa, R.Trojer, V.Tvaskis, W.F.Vulcan, F.R.Wesselmann, S.A.Wood, J.Wright, L.Yuan, X.Zheng

New Measurements of the European Muon Collaboration Effect in Very Light Nuclei

doi: 10.1103/PhysRevLett.103.202301
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2009VI05      Phys.Rev. C 80, 035203 (2009)

A.N.Villano, P.Stoler, P.E.Bosted, S.H.Connell, M.M.Dalton, M.K.Jones, V.Kubarovsky, G.S.Adams, A.Ahmidouch, J.Arrington, R.Asaturyan, O.K.Baker, H.Breuer, M.E.Christy, S.Danagoulian, D.Day, J.A.Dunne, D.Dutta, R.Ent, H.C.Fenker, V.V.Frolov, L.Gan, D.Gaskell, W.Hinton, R.J.Holt, T.Horn, G.M.Huber, K.Joo, N.Kalantarians, C.E.Keppel, Y.Li, A.Lung, D.Mack, S.Malace, P.Markowitz, D.G.Meekins, H.Mkrtchyan, J.Napolitano, G.Niculescu, I.Niculescu, D.H.Potterveld, P.E.Reimer, J.Reinhold, J.Roche, S.E.Rock, G.R.Smith, S.Stepanyan, V.Tadevosyan, V.Tvaskis, M.Ungaro, A.Uzzle, S.Vidakovic, F.R.Wesselmann, B.Wojtsekhowski, S.A.Wood, L.Yuan, X.Zheng, H.Zhu

Neutral pion electroproduction in the resonance region at high Q²

doi: 10.1103/PhysRevC.80.035203
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2008HA14      Nucl.Phys. A804, 125 (2008)

O.Hashimoto, S.N.Nakamura, A.Acha, A.Ahmidouch, D.Androic, A.Asaturyan, R.Asaturyan, O.K.Baker, P.Baturin, F.Benmokhtar, P.Bosted, R.Carlini, X.Chen, M.Christy, L.Cole, S.Danagoulian, A.Daniel, V.Dharmawardane, K.Egiyan, M.Elaasar, R.Ent, H.Fenker, Y.Fujii, M.Furic, L.Gan, D.Gaskell, A.Gasparian, E.F.Gibson, P.Gueye, R.Halkyard, D.Honda, T.Horn, B.Hu, S.Hu, Ed.V.Hungerford, M.Ispiryan, K.Johnston, M.Jones, N.Kalantarians, M.Kaneta, F.Kato, S.Kato, D.Kawama, C.Keppel, Y.Li, W.Luo, D.Mack, A.Margaryan, G.Marikyan, N.Maruyama, A.Matsumura, T.Miyoshi, A.Mkrtchyan, H.Mkrtchyan, T.Navasardyan, G.Niculescu, M.-I.Niculescu, H.Nomura, K.Nonaka, A.Ohtani, Y.Okayasu, P.Pamela, N.Perez, T.Petkovic, S.Randeniya, J.Reinhold, R.Rivera, J.Roche, V.M.Rodriguez, Y.Sato, T.Seva, L.Tang, N.Simicevic, G.Smith, M.Sumihama, Y.Song, V.Tadevosyan, T.Takahashi, H.Tamura, V.Tvaskis, W.Vulcan, B.Wang, S.Wells, S.Wood, C.Yan, L.Yuan, S.Zamkochian

Hypernuclear spectroscopy program at JLab Hall C2008.01.029

NUCLEAR REACTIONS ¹H, ¹²C, ²⁸Si(e, e'K⁺), E=1.8 GeV; measured hypernuclei missing mass spectra using the Tilt method.

doi: 10.1016/j.nuclphysa.2008.01.029
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2008HO11      Phys.Rev. C 78, 058201 (2008)

T.Horn, X.Qian, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, M.E.Christy, E.Chudakov, B.Clasie, M.M.Dalton, A.Daniel, D.Day, D.Dutta, L.El Fassi, R.Ent, H.Fenker, J.Ferrer, N.Fomin, H.Gao, K.Garrow, D.Gaskell, C.Gray, G.M.Huber, M.K.Jones, N.Kalantarians, C.E.Keppel, K.Kramer, Y.Li, Y.Liang, A.F.Lung, S.Malace, P.Markowitz, A.Matsumura, D.Meekins, T.Mertens, T.Miyoshi, H.Mkrtchyan, R.Monson, T.Navasardyan, G.Niculescu, I.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, V.Punjabi, A.W.Rauf, V.Rodriguez, D.Rohe, J.Seely, E.Segbefia, G.R.Smith, M.Sumihama, V.Tadevosyan, L.G.Tang, V.Tvaskis, A.Villano, W.Vulcan, F.R.Wesselmann, S.A.Wood, L.Yuan, X.C.Zheng

Scaling study of the pion electroproduction cross sections

doi: 10.1103/PhysRevC.78.058201
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2007CL04      Phys.Rev.Lett. 99, 242502 (2007)

B.Clasie, X.Qian, J.Arrington, R.Asaturyan, F.Benmokhtar, W.Boeglin, P.Bosted, A.Bruell, M.E.Christy, E.Chudakov, W.Cosyn, M.M.Dalton, A.Daniel, D.Day, D.Dutta, L.El Fassi, R.Ent, H.C.Fenker, J.Ferrer, N.Fomin, H.Gao, K.Garrow, D.Gaskell, C.Gray, T.Horn, G.M.Huber, M.K.Jones, N.Kalantarians, C.E.Keppel, K.Kramer, A.Larson, Y.Li, Y.Liang, A.F.Lung, S.Malace, P.Markowitz, A.Matsumura, D.G.Meekins, T.Mertens, G.A.Miller, T.Miyoshi, H.Mkrtchyan, R.Monson, T.Navasardyan, G.Niculescu, I.Niculescu, Y.Okayasu, A.K.Opper, C.Perdrisat, V.Punjabi, A.W.Rauf, V.M.Rodriquez, D.Rohe, J.Ryckebusch, J.Seely, E.Segbefia, G.R.Smith, M.Strikman, M.Sumihama, V.Tadevosyan, L.Tang, V.Tvaskis, A.Villano, W.F.Vulcan, F.R.Wesselmann, S.A.Wood, L.Yuan, X.C.Zheng

Measurement of Nuclear Transparency for the A(e, e'π⁺) Reaction

NUCLEAR REACTIONS ²H, ¹²C, ²⁷Al, ⁶³Cu, ¹⁹⁷Au(e, e'π⁺), E=4.021-5.767 GeV; measured electron and pion energies. Deduced nuclear transparency.

doi: 10.1103/PhysRevLett.99.242502
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2007TV01      Phys.Rev.Lett. 98, 142301 (2007)

V.Tvaskis, M.E.Christy, J.Arrington, R.Asaturyan, O.K.Baker, H.P.Blok, P.Bosted, M.Boswell, A.Bruell, A.Cochran, L.Cole, J.Crowder, J.Dunne, R.Ent, H.C.Fenker, B.W.Filippone, K.Garrow, A.Gasparian, J.Gomez, H.E.Jackson, C.E.Keppel, E.Kinney, L.Lapikas, Y.Liang, W.Lorenzon, A.Lung, D.J.Mack, J.W.Martin, K.McIlhany, D.Meekins, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.Moreland, V.Nazaryan, I.Niculescu, A.Opper, R.B.Piercey, D.H.Potterveld, B.Rose, Y.Sato, W.Seo, G.Smith, K.Spurlock, G.van der Steenhoven, S.Stepanyan, V.Tadevosian, A.Uzzle, W.F.Vulcan, S.A.Wood, B.Zihlmann, V.Ziskin

Longitudinal-Transverse Separations of Deep-Inelastic Structure Functions at Low Q² for Hydrogen and Deuterium

NUCLEAR REACTIONS ¹H(e, e'X), E=2.301, 3.419, 5.648 GeV; measured σ(E, θ), ratio of longitudinal, transverse σ.

doi: 10.1103/PhysRevLett.98.142301
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2006TV01      Phys.Rev. C 73, 025206 (2006)

V.Tvaskis, J.Arrington, M.E.Christy, R.Ent, C.E.Keppel, Y.Liang, G.Vittorini

Experimental constraints on nonlinearities induced by two-photon effects in elastic and inelastic Rosenbluth separations

NUCLEAR REACTIONS ¹H(e, e), (e, e'), E=high; analyzed data; deduced no evidence for two-photon exchange corrections.

doi: 10.1103/PhysRevC.73.025206
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2006TV02      Nucl.Phys. B(Proc.Supp.) S159, 163 (2006)

V.Tvaskis, J.Steinman, R.Bradford, and the E02-109 and E04-001 Collaborations

Measurement of F₂ and R = σ_L/σ_T on Nuclear Targets in the Nucleon Resonance Region

doi: 10.1016/j.nuclphysbps.2006.08.033
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