Parity violating electron deuteron scattering and the proton's neutral weak axial vector form-factor
- Ito, T.M.
- Averett, T.
- Barkhuff, D.
- Batigne, Guillaume
- Beck, D.H.
- Beise, E.J.
- Blake, A.
- Breuer, H.
- Carr, R.
- Clasie, B.
- Covrig, S.
- Danagoulian, A.
- Dodson, G.
- Dow, K.
- Dutta, D.
- Farkhondeh, M.
- Filippone, B.W.
- Franklin, W.
- Furget, C.
- Gao, H.
- Gao, J.
- Gustafsson, K.
- Hannelius, L.
- Hasty, R.
- Hawthorne-Allen, A.M.
- Herda, M.C.
- Jones, C.E.
- King, P.
- Korsch, W.
- Kowalski, S.
- Kox, S.
- Kramer, K.
- Lee, P.
- Liu, J.
- Martin, J.W.
- McKeown, R.D.
- Mueller, B.
- Pitt, M.L.
- Plaster, B.
- Quéméner, G.
- Real, J.S.
- Ritter, J.
- Roche, J.
- Savu, V.
- Schiavilla, R.
- Seely, J.
- Spayde, D.
- Suleiman, R.
- Taylor, S.
- Tieulent, R.
- Tipton, B.
- Tsentalovich, E.
- Wells, S.P.
- Yang, Bin
- Yuan, J.
- Yun, J.
- Zwart, T.
Publication date
January 2004
DOI Publisher
American Physical Society (APS)Abstract
We report on a new measurement of the parity-violating asymmetry in quasielastic electron scattering from the deuteron at backward angles at Q2= 0.038 (GeV/c)2. This quantity provides a determination of the neutral weak axial vector form factor of the nucleon, which can potentially receive large electroweak corrections. The measured asymmetry A=-3.51 +/- 0.57(stat) +/- 0.58(sys)ppm is consistent with theoretical predictions. We also report on updated results of the previous experiment at Q2=0.091 (GeV/c)2, which are also consistent with theoretical predictions
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