C Parameter definition for the program C C momanhough.f C C Author: Vannuccini Elena C Date: 2004/2005 C c------------------------------------------------------------------------ c CUTS and other parameters c------------------------------------------------------------------------ c***************************************************** cccccc 10/9/2005 modified by david fedele --> (1) c cccccc20/10/2005 modified by elena --> (2) c (rilasciati i tagli per la hough transform, c in attesa dell'allineamento delle colonne) c**************************************************** PARAMETER (PIGR=3.14) !159265359)!(1) * ----------------------------------------------------- * cuts on cluster signal * ----------------------------------------------------- c parameter (dedx_x_min=70.) c parameter (dedx_y_min=50.) parameter (dedx_x_min=0.) parameter (dedx_y_min=0.) * ----------------------------------------------------- * number of GOOD strips around MAXS * (NB this cut has been removed in track fitting but * not in calibration) * now the cut is used to avoid charge correlation * for clusters with bad strips * ----------------------------------------------------- * parameter (ngoodstr=1) * parameter (ngoodstr=2) parameter (ngoodstr=2) * ----------------------------------------------------- * first cuts on the parameters determined with * the hough transform, in order to exclude from the * following analysis not physical dublets and triplets * (out of the geometrical acceptance of the apparatus) * ----------------------------------------------------- parameter (alfyz1_max=70.7) !Y0 parameter (alfyz2_max=0.47) !tg theta-yz (25 deg) parameter (alfxz1_max=80.7) !X0 parameter (alfxz2_max=0.47) !tg theta-xz (25 deg) * ----------------------------------------------------- * cut on the position of the circle center: * center inside the spectrometer volume is not physical * ==> THE TRIPLET IS REJECTED * ----------------------------------------------------- parameter (xclimit=8.) !cm * ----------------------------------------------------- * Parameter normalization constants, needed to evaluate * distances in parameter space * ----------------------------------------------------- parameter (Dalfayz1=0.1689e-2) parameter (Dalfayz2=0.4813e-4) parameter (Dalfaxz1=0.1974e-2) parameter (Dalfaxz2=0.7978e-4) parameter (Dalfaxz3=1.) * ----------------------------------------------------- * Cut on normalized distances in parameter space. * Doublets/triplets are recursively included in a cloud * if the distance from any of the points already included * is less than this cut. * ----------------------------------------------------- c parameter (cutdistyz=10.) !y0 / tg theta_yz space c parameter (cutdistxz=30.) !x0 / tg theta_xz space c parameter (cutdistyz=20.) !y0 / tg theta_yz space !(2) c parameter (cutdistxz=60.) !x0 / tg theta_xz space !(2) parameter (cutdistyz=30.) !y0 / tg theta_yz space !(2) parameter (cutdistxz=90.) !x0 / tg theta_xz space !(2) * (NB deflection is not considered in the selection criteria) * -------------------------------------------------- * cloud selection * -------------------------------------------------- * minimum number of COUPLES required in order to select a cloud c parameter (ncpyz_min=3) !for a straight line c parameter (ncpxz_min=4) !for a circle parameter (ncpyz_min=3) !for a straight line !(2) parameter (ncpxz_min=3) !for a circle !(2) * minimum number of POINTS required in order to select a cloud c parameter (nptyz_min=3) !for a straight line c parameter (nptxz_min=6) !for a circle parameter (nptyz_min=3) !for a straight line !(2) parameter (nptxz_min=3) !for a circle !(2) * minimum number of PLANES required in order to select a cloud c parameter (nplyz_min=3) !for a straight line c parameter (nplxz_min=4) !for a circle parameter (nplyz_min=3) !for a straight line !(2) parameter (nplxz_min=3) !for a circle !(2) * -------------------------------------------------- * ----------------------------------------------------- * minimum number of matching couples required to combine * XZ-YZ clouds and perform the fit * ----------------------------------------------------- c parameter (ncpok=4) parameter (ncpok=3) !(2) * ----------------------------------------------------- * maximum value of deflection from Hough transform * accepted in order to perform the track fit * ----------------------------------------------------- c parameter (defmax=10.) !GV-1 c parameter (defmax=10000.) !GV-1 parameter (defmax=25.) !GV-1 * ----------------------------------------------------- * cut to include new couple or single clusters in the * track fitting, after the first fit * ----------------------------------------------------- c parameter (clinc=4) c parameter (clinc=6) parameter (clinc=10)