Pulse (Energy) & Position Reconstruction in the CMS ECAL - INFN
Pulse (Energy) & Position Reconstruction in the CMS ECAL - INFN
Pulse (Energy) & Position Reconstruction in the CMS ECAL - INFN
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Impact <strong>Position</strong> Resolution versus energy (x, y)<br />
Calor 2004 (March 2004) Ivo van Vulpen 20<br />
Resolution on impact position us<strong>in</strong>g <strong>the</strong> logarithmic weight<strong>in</strong>g method:<br />
Resolution(mm)<br />
Hodoscope contribution subtracted<br />
1 mm<br />
Y-orientation<br />
= Resolution <strong>in</strong> X slightly worse:<br />
Different stagger<strong>in</strong>g of crystals<br />
Different crystal dimensions<br />
10% larger <strong>in</strong> X than <strong>in</strong> Y<br />
Different (effective) angle of<br />
<strong>in</strong>cidence<br />
<strong>Energy</strong> (GeV)<br />
σ 5040<br />
( µ Y<br />
m) = ⊕<br />
E<br />
430
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