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We report characteristics of thermal particle observations during the\udencounter of the Wind satellite with the separatrix and the outflow domains\udof a reconnection event on 22 July 1999 in the solar wind. During the\udstudied event the electrostatic analyzers on Wind were transmitting\udthree-dimensional electron and proton distributions in a burst mode every 3 s,\udthe spin period of the spacecraft. The event was associated with a\udmagnetic shear angle of 114° and a large guide magnetic field. The\udobservations suggest that Wind crossed the separatrix and outflow regions\udabout a thousand of ion skin depths from the X-line. At the leading separator\udboundary, a strong proton beam was identified that originated from the\uddirection of the X-line. In the separatrix and the outflow regions, the phase\udspace distributions of thermal electrons displayed field aligned\udbidirectional anisotropy. During the crossings of the current sheets bounding\udthe outflow region, we identified two adjacent layers in which the dominant\udthermal electron flows were towards the X-line at the inner edges of the\udcurrent sheets and away from the X-line at the outer edges. Interestingly,\udsimulation studies and observations in the Earth's magnetosphere have\udrevealed that the electron flows are reversed, consistent with the Hall\udcurrent system

Wind observations of low energy particles within a solar wind reconnection region