new unit for speed of light

thesis/chapters/chap7_results.tex

@@ -84,7 +84,7 @@ different absorber configurations are listed in
       %\toprule
       %{\textbf{Absorber}} &{\textbf{Inner wall}} & {\textbf{Total CFRP}}& {\textbf{Proton}} & {\textbf{Momentum}} & {\textbf{Integrated charge}}\\
       %{\textbf{thickness}} &{\textbf{thickness}} & {\textbf{thickness}}& {\textbf{hit rate}} &{\textbf{spread $\Delta p$}} &{\textbf{300 days}}\\
-      %{(\si{\mm})} & {(\si{\mm})} & {(\si{\mm})} & {(\si{\Hz})} & {(\si{\keV\per\cc)}} &{(mC/cm)}\\
+      %{(\si{\mm})} & {(\si{\mm})} & {(\si{\mm})} & {(\si{\Hz})} & {(\si{\keV\per\hepclight)}} &{(mC/cm)}\\
       %\midrule 
       %1   &0.5&1.5 & 2    & 195 & 25\\
       %0.5 &0.5&1.0 & 126  & 167 & 60\\
@@ -104,9 +104,9 @@ Therefore the absorber is not necessary as far as the hit rate is concerned.
 %absorber is not needed for the COMET Phase I's CDC.
 
 If the proton absorber is not used, the momentum spread of the signal electron
-reduces from \SI{167}{\keV\per\cc} to \SI{131}{\keV\per\cc} (\cref{tab:proton_cdc_hitrate}).
+reduces from \SI{167}{\keV\per\hepclight} to \SI{131}{\keV\per\hepclight} (\cref{tab:proton_cdc_hitrate}).
 This is a small improvement since the momentum resolution is dominated by
-intrinsic spread of \SI{197}{\keV\per\cc} due to multiple scattering in gas
+intrinsic spread of \SI{197}{\keV\per\hepclight} due to multiple scattering in gas
 and wires.
 
 The last column of \cref{tab:proton_cdc_hitrate} shows the integrated charge
@@ -124,7 +124,7 @@ absorber will not worsen the ageing process of the wires.
       {\textbf{thickness}} &{\textbf{thickness}} & {\textbf{thickness}}&
       {\textbf{spread $\Delta p$}} &{\textbf{300 days}}\\
       {(\si{\mm})} & {(\si{\mm})} & {(\si{\mm})} 
-      & {(\si{\keV\per\cc)}} &{(mC/cm)}\\
+      & {(\si{\keV\per\hepclight)}} &{(mC/cm)}\\
       \midrule 
       1   &0.5&1.5 &  195 & 25\\
       0.5 &0.5&1.0 &  167 & 60\\
@@ -137,7 +137,7 @@ absorber will not worsen the ageing process of the wires.
   \caption{Momentum spreads due to the inner wall and absorber, and integrated
     charge per unit length of wire as calculated in the COMET Phase-I's TDR.
     The momentum spreads were calculated for signal electrons at
-    \SI{104.96}{\MeV\per\cc}. The integrated charge is estimated assuming 300
+    \SI{104.96}{\MeV\per\hepclight}. The integrated charge is estimated assuming 300
     days of operation.}
   \label{tab:proton_cdc_hitrate}
 \end{table}