From 3a55ae58d0e0b539269cbe0d49b29856ca5545f3 Mon Sep 17 00:00:00 2001 From: Cahit Date: Fri, 13 Nov 2015 09:37:19 +0100 Subject: [PATCH] corrected the value of the realtive temperature effect --- 2015-twepp-cahit-tdc_with_stretcher/twepp2015_ugur.tex | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/2015-twepp-cahit-tdc_with_stretcher/twepp2015_ugur.tex b/2015-twepp-cahit-tdc_with_stretcher/twepp2015_ugur.tex index e5c8f8f..5ac33e4 100644 --- a/2015-twepp-cahit-tdc_with_stretcher/twepp2015_ugur.tex +++ b/2015-twepp-cahit-tdc_with_stretcher/twepp2015_ugur.tex @@ -365,7 +365,7 @@ temperature. The other is the secondary effect of the temperature change on different ToT offsets, as the effect of temperature is higher on the longer stretcher offsets due to larger intrinsic delays of the electronic components on the delay lines. The average relative effect of the temperature on delay -line is calculated as $\sim$1.3$\%/^{\circ}$C. +line is calculated as $\sim$0.4$\%/^{\circ}$C. The temperature correction coefficient is calculated iteratively until the smallest ToT deviation among every channel at the measured temperatures is @@ -451,7 +451,8 @@ supply. The effect of the temperature change on the ToT measurement is also assessed and the average relative effect of the temperature on delay line is calculated as -$\sim$1.3$\%/^{\circ}$C. This result shows that the with the increasing length +$\sim$0.4$\%/^{\circ}$C. This result shows that the with the increasing +length of the delay line and temperature difference the shift in the mean value increases. This degeneration is corrected by a factor of $\sim$10 and limited to $\sim$65~ps with a correction model. @@ -460,7 +461,7 @@ With correct environmental conditions and controlling, the temperature change can be minimised to less then 1$^{\circ}$C. Although in many high energy physics applications high precision ToT measurements are not required, if necessary, the conventional method should be used, as the temperature effect -plays a minimal role. +plays a minimal role in short routing lines. -- 2.43.0