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Electromagnetic Showering Behavior Tests on GFC Status

Explore the examination of behavior inconsistent with electromagnetic showering through various onboard filter versions, including OBF v1r1p8gr0, OBF v2r0p5, OBF v3r0, and OBF v4r0, used in GlastReleaseV7r3, GlastReleaseV9r6, v9r7, and GlastReleaseV9r9. These tests involve specific bit configurations (15, 22, 23, 26) and criteria related to energy levels and tile hits. Understanding the impact of these tests is crucial for analyzing data integrity and ensuring accurate results in the study of electromagnetic interactions.

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Electromagnetic Showering Behavior Tests on GFC Status

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  1. Vetoes Bits In Question GFC_STATUS_V_TKR_LT_2_ELO = 15, two projections AND energy <5 MeV GFC_STATUS_V_EL0_ETOT_90 = 22, GFC_STATUS_V_EL0_ETOT_01 = 23, Both tests look for behavior inconsistent with electromagnetic showering GFC_STATUS_V_SPLASH_1 = 26, cal energy < 40,000 MeV and >4 tiles hit OR cal energy < 40,000 MeV and 3 tiles hits and pattern of tiles is right C&A

  2. OnboardFilter Versions • OBF v1r1p8gr0 • David Wren’s implementation of flight code • Used in GlastReleaseV7r3 • Bits 15, 22, 23, 26 disabled (commented out) • OBF v2r0p5 • Reproduction of JJ’s flight code, only wrapper code is non-JJ • Used in GlastReleaseV9r6, v9r7 • Bits 15, 22, 23, 26 enabled (just using JJ’s default code) • OBF v3r0 • Reorganization of flight packages • Bits 15, 22, 23, 26 disabled (commented out) • OBF v4r0 • Modifications necessary to allow OBF to work on Windows • OBF libraries/source moved to external packages area • Used in GlastReleaseV9r9 • Bits 15, 22, 23, 26 remain disabled (commented out) C&A

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