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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>For question 1: yes. On figure 11 of the calorimeter write-up, i.e. after taken care of the charge sharing, we get about 1cm position resolution on both radial and azimuthal dimension in the case of 10x10 cm modules. It is simulated for various sizes of square modules. And I would expect hexagon module of similar dimension fit on the curve too. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'>Jin<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>__________________________________________<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Jin Huang<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Los Alamos National Lab<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>PO Box 1663, MS H846, Los Alamos, NM 87545<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Office:(505) 665-2523, Cell:(757) 604-9946<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>__________________________________________<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> solid_ec-bounces@jlab.org [mailto:solid_ec-bounces@jlab.org] <b>On Behalf Of </b>Paul E. Reimer<br><b>Sent:</b> Thursday, March 07, 2013 2:03 PM<br><b>To:</b> reimer@anl.gov<br><b>Cc:</b> solid_ec@jlab.org; Whit Seay; Guarino, Victor<br><b>Subject:</b> Re: [Solid_ec] Calorimeter dimensions<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello All,<br><br>This brings up two issues:<o:p></o:p></p><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'>Have we done a simulation to see the lateral extent of a shower? Depending on the lateral extend, the size and to some extent the shape of the individual modules dictates the energy sharing and hence the position resolution.<o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'>If we decide to not have a regular lattice and go with squares close packed into the center radius, we could mitigate this slightly, but then we would get problems at the PVDIS inner radius, unless we decide to make two separate mounting fixtures<o:p></o:p></li></ul><p>Paul<o:p></o:p></p><p class=MsoNormal><br><br><o:p></o:p></p><pre>-- <o:p></o:p></pre><pre>Paul E. Reimer +1-630-252-4037 (Argonne Office)<o:p></o:p></pre><pre>Physics Division Bldg 203 +1-630-252-3903 (Argonne Fax)<o:p></o:p></pre><pre>9700 S. Cass Ave. +1-630-840-5709 (Fermilab)<o:p></o:p></pre><pre>Argonne, IL 60439 +1-630-344-9207 (Cell)<o:p></o:p></pre><pre>USA <a href="mailto:reimer@anl.gov">reimer@anl.gov</a><o:p></o:p></pre></div></body></html>