From 6b0007ee94ed81590b5435cbd41ff490d2738d31 Mon Sep 17 00:00:00 2001
From: Mark Jones <jones@jlab.org>
Date: Fri, 27 Oct 2017 15:38:09 -0400
Subject: [PATCH] Set units used in THcRawAdcHit to pC ( it was nC)
---
src/THcRawAdcHit.cxx | 2 +-
src/THcRawAdcHit.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/THcRawAdcHit.cxx b/src/THcRawAdcHit.cxx
index 37b6b8e..6199941 100644
--- a/src/THcRawAdcHit.cxx
+++ b/src/THcRawAdcHit.cxx
@@ -453,7 +453,7 @@ Double_t THcRawAdcHit::GetAdcTomV() const {
// Convert integral to pC
Double_t THcRawAdcHit::GetAdcTopC() const {
- // (1 V / 4096 adc channels) * (4 ns time sample / 50 ohms input resistance) = 0.020 pc/channel
+ // (1 V / 4096 adc channels) * (4000 ps time sample / 50 ohms input resistance) = 0.020 pc/channel
return (fAdcRange / fNAdcChan) * (fAdcTimeSample / fAdcImpedence);
}
diff --git a/src/THcRawAdcHit.h b/src/THcRawAdcHit.h
index 71a5c27..9b0a38b 100644
--- a/src/THcRawAdcHit.h
+++ b/src/THcRawAdcHit.h
@@ -60,7 +60,7 @@ class THcRawAdcHit : public TObject {
const Double_t fNAdcChan = 4096.0; // Number of FADC channels in units of ADC channels
const Double_t fAdcRange = 1.0; // Dynamic range of FADCs in units of V, // TO-DO: Get fAdcRange from pre-start event
const Double_t fAdcImpedence = 50.0; // FADC input impedence in units of Ohms
- const Double_t fAdcTimeSample = 4.0; // Length of FADC time sample in units of ns
+ const Double_t fAdcTimeSample = 4000.0; // Length of FADC time sample in units of ps
const Double_t fAdcTimeRes = 0.0625; // FADC time resolution in units of ns
Int_t fNPedestalSamples; // TODO: Get this from prestart event...
--
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