<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Hello Sofiia Forostenko,</div><div class=""><br class=""></div><div class="">could you let us know, which version of GATE you are using,</div><div class="">since it is easier then for our developers and users to help you.</div><div class=""><br class=""></div><div class="">I remember, that I had to set the cuts like shown below</div><div class="">in physics.mac in order to find useful results for Cherenkov radiation.</div><div class=""><br class=""></div><div class=""><div class="">#</div><div class=""># C U T S</div><div class="">#</div><div class=""><br class=""></div><div class="">/gate/physics/displayCuts</div><div class="">/gate/physics/Gamma/SetCutInRegion world 10 mm</div><div class="">/gate/physics/Electron/SetCutInRegion world 10 mm</div><div class="">/gate/physics/Positron/SetCutInRegion world 10 mm</div><div class="">/gate/physics/Proton/SetCutInRegion world 10 mm</div></div><div class=""><br class=""></div><div class="">I hope this is helpful!</div><div class=""><br class=""></div><div class="">Kind regards and best wishes,</div><div class=""><br class=""></div><div class="">Uwe Pietrzyk</div><br class=""><div class="">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">---------------------------------------</div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Prof. Dr. Uwe Pietrzyk<br class="">Diplom-Physiker<br class="">Am Anger 18<br class="">50374 Erftstadt<br class="">Tel: +49-2235-922038<br class="">Fax: +49-2235-922039<br class="">Mobil: +49-172-213-2155<br class="">eMail: <a href="mailto:Uwe.Pietrzyk@web.de" class="">Uwe.Pietrzyk@web.de</a></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">---------------------------------------</div></div>
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<br class=""><div><blockquote type="cite" class=""><div class="">On 9. Nov 2018, at 12:07, Sofiia <<a href="mailto:s.i.forostenko@gmail.com" class="">s.i.forostenko@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div dir="ltr" class="">Dear GATE users,<div class=""><br class=""></div><div class="">I am working currently on simple simulation of crystal to determine the mean amount of Cherenkov produced per photoelectric interaction.</div><div class="">I found that the amount of Cherenkov from GATE I obtained is much less than calculated one from the formula. </div><div class="">So I decided to switch to Geant4. I've obtained from Geant4 simulation reasonable amount (compatible with formula) of Cherenkov while electron multiple scattering and electron <span class="gmail-gr-alert gmail-gr_spell gmail-gr_1736 gmail-gr_run_anim gmail-gr_inline_cards gmail-ContextualSpelling gmail-gr_ gmail-multiReplace" id="gmail-1736" style="display:inline;border-bottom:2px solid transparent;background-repeat:no-repeat">ionisation processes were "ON" only for PostStep option, but "OFF" for AlongStep. </span></div><div class=""><span class="gmail-gr-alert gmail-gr_spell gmail-gr_1736 gmail-gr_run_anim gmail-gr_inline_cards gmail-ContextualSpelling gmail-gr_ gmail-multiReplace" style="display:inline;border-bottom:2px solid transparent;background-repeat:no-repeat"><br class=""></span></div><div class="">Could someone give me please tips on how to implement these options in my GATE simulation? </div><div class=""><br class=""></div><div class="">With best regards,</div><div class="">Sofiia Forostenko</div><div class=""><br class=""></div><div class=""><br class=""></div></div>
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