<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Below are the meeting minutes, and they are also on the wiki page.</div>Attending: John, Michael, Igor, Eugene, Veronique, Lei<div>Minutes:</div><div><br></div><div><p> Our proposal reviewers are Keith Griffioen and Marco Battaglieri </p></div><div>Item 1: The effect of the FT resolution on the s/b ratio. FT resolution IS included in Derek and Michael's simulation. However, if it is not clear, for example in the reaction of gamma p->K+K+K0K-(Lambda), the K0 mass is constrained in reconstructing the missing lambda, and the lambda four momentum can be reconstructed using the lambda mass in order to improve the S/B ratio for M(LambdaK-), as opposed to MM(K+K+K0K-). Derek an Michael seems to have all the data to check the effects.</div><div>Item 2: Eugene raise the issue of comparison with gluex. Our main advantage seems to be the momentum resolution/PID and vertex detector. We need to find the relevant GlueX parameters for comparison.</div><div>Item 3: Is Kaon decayed handled in FASTMc. We are not sure, but the answer is probably not. However, even if kaon decay, the track can still probably be reconstructed. The effect should not be big since most kaons move close to speed of light and time dilation works in our favor. The best way to check this quantiatively, without full CLAS12 simulation, is to do this in CLAS simulation by comparison efficiencies with and without decay.</div><div>Item 4: Xi(1820) efficiency seems too low (from Johann, using a hyperon-decay based Xi(1820) produciton mechanism), when compared with a similar reaction for Omega- (Derek and Michael, using phase space), by a factor of 6. Whether this is due to the physics in the generator or other factors remains to be sorted out. Michael agrees to come up with the Xi(1820) efficiency using phase space, but since Xi(1820) is not included in Phythia, it will take a bit of time. On the other hand, Johann should try to reproduce the Xi-(1320) number produced by Michael to see if there is anything mistaken in his simulation since it only started to work late last week.</div><div><br></div><div>Lei</div><br><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>**************************************</div><div> @</div><div> / *</div><div> / ___ ___ Lei Guo _______________________</div><div> L_O_/ ____ Florida International University____/_/</div><div> \ | Physics Dept., CP 212 / /</div><div> / \ | Miami, FL 33199 / / /</div><div> / I_/ \ ____ USA _____ /______/__________/ /</div><div> / / L / / / / /</div><div> / / / / / / /</div><div> /_/__________/______/______/__________/_/</div><div>/_/__________/______/______/__________/_/</div><div>305-348-0234(o)</div><div><br></div><div>**************************************</div><div><br></div></div></div></span><br class="Apple-interchange-newline"></div></span><br class="Apple-interchange-newline"></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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