From d329f5d7c83f07c86bf1cb78269b5f855b7d8ed1 Mon Sep 17 00:00:00 2001
From: Mark Jones <jones@jlab.org>
Date: Thu, 16 Aug 2018 13:53:41 -0400
Subject: [PATCH] Add README.md to the CALIBRATION directory

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 CALIBRATION/README.md | 35 +++++++++++++++++++++++++++++++++++
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 create mode 100644 CALIBRATION/README.md

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+# Hall C Calibration Codes
+
+1. This is the directory containing subdirectories for Hall C calibration codes.
+2. A few of the directories are obsolete. 
+3. Each subdirectory has a README or HOWTO which explains how to run the calibration code.
+
+## Obsolete directories
+
+1. hms_dc_calib : old HMS DC Tzero and time-to-distance maps calibration code
+2. shms_dc_calib : old SHMS DC Tzero and time-to-distance maps calibration code
+3. hodo_calib: old hodoscope calibration code used during the 6GeV running
+
+## Directories
+
+1. bcm_current_map : Contains scripts to create parameter files of the beam current as a function of event number to be used in the code for cutting data according to a beam current cut.
+
+2. bpm_calib : Contains scripts for fitting HARP vs BPM scans and creating a parameter file.
+
+3. dc_calib/scripts : Contains scripts for calibrating tzero parameters and time-to-dsitance maps for eithe the HMS or SHMS drift chambers. 
+
+4. hms_cal_calib : Contains scripts for calibrating the HMS calorimeter energy/ADC conversion for each block. 
+
+5. shms_cal_calib : Contains scripts for calibrating the SHMS calorimeter energy/ADC conversion for each block. 
+
+6. hms_hodo_calib : Contains scripts for calibrating the time offsets for the HMS hodoscope. Creates the time walk correction parameters, time difference between negative-postive PMTs in a paddle and the relative time offsets of the paddles.
+
+7. shms_hodo_calib : Contains scripts for calibrating the time offsets for the SHMS hodoscope. Creates the time walk correction parameters, time difference between negative-postive PMTs in a paddle and the relative time offsets of the paddles.
+
+8. shms_aero_calib : Contains a script to calibrate the NPE/ADC conversion parameters from SPE peaks for the SHMS aerogel.
+
+9. shms_hgcer_calib : Contains scripts to calibrate hte NPE/ADC conversion parameters for SHMS Gas Cerenkovs.
+
+
+
+
-- 
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