Elastic electron deuteron scattering on a tensor polarized solid ND3 target |
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Authors: | B Boden V Burkert G Knop G Kroesen M Leenen W Mehnert R Sauerwein H -D Schablitzky H H Schmitz K H Althoff R Dostert T Hewel O Kaul E Kohlgarth W Meyer E P Schilling W Thiel |
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Institution: | 1. Physikalisches Institut der Universit?t Bonn, Nussallee 12, W-5300, Bonn 1, Federal Republic of Germany
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Abstract: | Elastic electron deuteron scattering has been measured at the Bonn 2.5 GeV electron-synchrotron using a tensor polarized ND3 target. The scattered electrons and deuterons were detected in coincidence by two magnetic spectrometers. Data were taken at an average value of four momentum transfer ofQ 2=0.495 (GeV/c)2 in order to separate the electric monopole and quadrupole form factors of the deuteron. To have a sufficient control of systematic effects, both polarized and unpolarized cross sections were measured with an identical experimental set up. In the ratioR EXP=dσpol/dσunp systematic effects are expected to cancel. This ratioR EXP is related to the theoretical polarized cross section d dσ T where the spin quantization axis for the deuterons is orientated in the ed-scattering plane, perpendicular to the virtual photon direction. Our final result for the corresponding recoil tensor polarization ist 20=?2.01±1.13. |
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