<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1432102060292_136115">Hi Rivet concerned,</div><div id="yui_3_16_0_1_1432102060292_136115"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">I want to know where is the Rivet discussion when I have question about Rivet using? </div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">Or I just ask question by this address(<rivet@projects.hepforge.org>)?</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">If yes, I would ask my question in below.</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">(1) In my Rivet plugin, I use</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">
</div><div class="" dir="ltr" style="" id="yui_3_16_0_1_1432102060292_136366"> const FinalState fs(-5.0, 5.0);</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">to define a final state, whose rapidity is within -5.0 to 5.0. </div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">Has the fs undergone the final state radiation(FSR)? </div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">(2) In my Rivet plugin, I use</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">
</div><div class="" dir="ltr" style="" id="yui_3_16_0_1_1432102060292_136424"> const ZFinder zfm(fs, -2.4, 2.4, 9*GeV, PID::MUON, 15*GeV, 1500*GeV);</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">to obtain the Z bosob or the virtual photon from 2 final states fs,</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">whose particle ID are Muon,</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">rapidities are in [-2.4,2.4], </div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">transverse momentum(pT) are larger than 9 GeV, <br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">invariant mass are in [15,1500] GeV.</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">If I want to choose my Z boson from 2 muon, </div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">but this time the 2 muons are required to different pT thresholds,</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">the first Muon is required to have pT> 14 GeV, </div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">and the second Muon is required to have pT> 9 GeV,</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">then how can I achieve it?</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">Or is there other way to do that instead of using ZFinder?</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">Thanks.</div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr"><br></div><div id="yui_3_16_0_1_1432102060292_136115" dir="ltr">Yu-hsiang</div></div></body></html>