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   <TITLE> Example Events Containing an Electron </TITLE>
<!-- Changed by: Terry Wyatt, 28-Mar-1997 -->
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<H1> Example Events Containing an Electron</H1>
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An electron loses all of its energy in the electromagnetic calorimeter.
This has two consequences that allow us to identify electrons:
<ul>
<li>The momentum of the observed charged particle track should be similar to
the energy observed where is strikes the electromagnetic calorimeter.
(Therefore the track and the cluster of energy in the electromagnetic 
calorimeter should usually be drawn in the same colour.)
<li>The electron does not produce an energy deposit in the hadronic
calorimeter or signals in the muon chambers.
</ul> 
Here are three example electrons.
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<H1> Example Electron Number 1</H1>
<H2>End-On View of Event</H2>
<IMG alt="Image" SRC=x7579_15794.gif></A>
<H2>Side View of Event</H2>
<IMG alt="Image" SRC=s7579_15794.gif></A>
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<H1> Example Electron Number 2</H1>
<H2>End-On View of Event</H2>
<IMG alt="Image" SRC=x7579_9144.gif></A>
<H2>Side View of Event</H2>
<IMG alt="Image" SRC=s7579_9144.gif></A>
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<H1> Example Electron Number 3</H1>
<H2>End-On View of Event</H2>
<IMG alt="Image" SRC=x7588_9732.gif></A>
<H2>Side View of Event</H2>
<IMG alt="Image" SRC=s7588_9732.gif></A>
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Next take a look at some example events containing a hadron. </a>

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<BR><ADDRESS>
<A HREF="/~wyatt/home.html">Terry Wyatt.</A>  March 1997.
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