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5e13a562-d6de-4dba-b05d-f49e7b1299d3 definition "The 3-D Plasma and Energetic Particle Analyzer investigation on WIND will measure ions and electrons in the interplanetary medium with energies including that of the solar wind and the energetic particle range. It will study the particles upstream of the bow shock in the foreshock region and the transient particles emitted by the Sun during solar particle events following solar flares. This experiment will cover the gap between the energy ranges covered by SWE and EPACT. The 3-D PLASMA instrument consists of two sensor packages mounted on small radial booms, and an electronics package mounted inside the spacecraft. One boom-mounted sensor package contains an array of 6 double-ended semiconductor telescopes, each with two or three closely sandwiched silicon detectors to measure electrons and ions above 20 keV. One side of each telescope is covered with a thin foil which absorbs ions below 400 keV. On the other side, the incoming electrons below 400 keV are swept away by a magnet so that electrons and ions are cleanly separated. Higher energy electrons (up to ~1 MeV) and ions (up to 11 MeV) are identified by the two double-ended telescopes which have a third detector. The first sensor package also contains a pair of ion electrostatic analyzers (PESA-L and -H) for measuring ion fluxes from ~3 eV to 40 keV. The second sensor package contains a pair of electron electrostatic analyzers (EESA-L and -H) for measuring electron fluxes from ~3 eV to 30 keV, and for making input (from EESA-H) to a fast particle correlator (FPC). The FPC, using also plasma wave data from WAVES as input, measures perturbations to the electron distribution function and studies other wave-particle interactions. For more information, see: http://sprg.ssl.berkeley.edu/wind3dp/esahome.html Group: Instrument_Details Entry_ID: 3DP Group: Instrument_Identification Instrument_Category: Solar/Space Observing Instruments Instrument_Class: Particle Detectors Short_Name: 3DP Long_Name: 3-D Plasma and Energetic Particle Investigation (WIND) End_Group Group: Associated_Platforms Short_Name: WIND End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Gamma Ray Number_Channels: 2 Spectral_Frequency_Coverage_Range: 3 eV - 11 MeV End_Group Online_Resource: http://sprg.ssl.berkeley.edu/wind3dp/esahome.html Sample_Image: http://sprg.ssl.berkeley.edu/wind3dp/images/windpartbig.gif Group: Instrument_Logistics Instrument_Start_Date: 1994-11-01 Instrument_Owner: University of California, Berkeley Instrument_Owner: NASA End_Group End_Group" @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 id "1654777" @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 path_id 02c354fd-8e2d-4825-b786-aa4b0782d1d6 @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 path_id 5f5e4f2c-61b7-4694-8680-3fc5799f6171 @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 path_id b2140059-b3ca-415c-b0a7-3e142783ffe8 @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 path_label "Instruments" @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 path_label "Particle Detectors" @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 path_label "Solar/Space Observing Instruments" @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 prefLabel "3DP" @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 reference "" @default.
5e13a562-d6de-4dba-b05d-f49e7b1299d3 tag "Instruments" @default.