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Tvaskis, V; Christy, M E; Arrington, J; Asaturyan, R; Baker, O K; Blok, H P; Bosted, P; Boswell, M; Bruell, A; Cochran, A; Cole, L; Crowder, J; Dunne, J; Ent, R; Fenker, H C; Filippone, B W; Garrow, K; Gasparian, A; Gomez, J; Jackson, H E; Keppel, C E; Kinney, E; Lapikás, L; Liang, Y; Lorenzon, W; Lung, A; Mack, D J; Martin, J W; McIlhany, K; Meekins, D; Milner, R G; Mitchell, J H; Mkrtchyan, H; Moreland, B; Nazaryan, V; Niculescu, I; Opper, A; Piercey, R B; Potterveld, D H; Rose, B; Sato, Y; Seo, W; Smith, G; Spurlock, K; van der Steenhoven, G; Stepanyan, S; Tadevosian, V; Uzzle, A; Vulcan, W F; Wood, S A; Zihlmann, B; Ziskin, V
Physical review letters, 2007-Apr-06, Letnik: 98, Številka: 14Journal Article
We report on a study of the longitudinal to transverse cross section ratio, R=sigmaL/sigmaT, at low values of x and Q2, as determined from inclusive inelastic electron-hydrogen and electron-deuterium scattering data from Jefferson Laboratory Hall C spanning the four-momentum transfer range 0.06<Q2<2.8 GeV2. Even at the lowest values of Q2, R remains nearly constant and does not disappear with decreasing Q2, as might be expected. We find a nearly identical behavior for hydrogen and deuterium.
