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BigBite Plan

This document outlines the calibration process for the Multi-Wire Drift Chamber (MWDC) and optics involved in particle diagnostics. It highlights the relationship between time of flight (TOF) and energy deposition in identifying coincident particles. The T0 timing of the MWDC is established and calibrated alongside the S1 and S2 optics plan, using matrix techniques for angular measurements. The final results focus on momentum determination linked to angular calibration. The TOF resolution is noted at 4.6 ns with a background-to-signal ratio of 7.05%.

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BigBite Plan

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  1. BigBite Plan

  2. BigBite Calibration • MWDC • T0 [done] • Absolute position • dE&E • TDC TOF • ADC Energy • Gap correction! • The Time of flight and the energy deposited can be used to identify the coincident and the particle id. • Both tdc and adc will be calibrate the same as the S1 and S2

  3. Optics plan • The t0 of the MWDC were set. • The optics can be done in this point as it only involve the MWDC only • (Can also be improve with the help of the E plane hit location) 1. The vertex is the first part of the optics to be set. Reason: • Dipole magnet • the aid from the left arm vertex

  4. Optics plan 2. The theta and phi matrix are calibrated with the sieve slit run. 3. The final data is the momentum which strongly related in theta.

  5. dE vs E

  6. Time of flight Current tof resolution is with sigma = 4.6 ns The background to signal ration are: 7.05 %

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