From a3f75308362c28fdd4264e84e628152acf307cd4 Mon Sep 17 00:00:00 2001 From: tlatorre Date: Mon, 17 Sep 2018 14:11:05 -0500 Subject: update likelihood to calculate absorption length correctly --- src/muon.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'src/muon.c') diff --git a/src/muon.c b/src/muon.c index 5eb1f54..0ab5cd8 100644 --- a/src/muon.c +++ b/src/muon.c @@ -258,7 +258,7 @@ double get_dEdx(double T, double rho) double get_expected_charge(double x, double T, double theta0, double *pos, double *dir, double *pmt_pos, double *pmt_normal, double r) { - double pmt_dir[3], cos_theta, n, wavelength0, omega, E, p, beta, z, R, f, cos_theta_pmt, absorption_length, distance; + double pmt_dir[3], cos_theta, n, wavelength0, omega, E, p, beta, z, R, f, cos_theta_pmt, absorption_length_h2o, absorption_length_d2o, l_h2o, l_d2o, distance; z = 1.0; @@ -298,8 +298,11 @@ double get_expected_charge(double x, double T, double theta0, double *pos, doubl f = get_weighted_pmt_response(acos(-cos_theta_pmt)); - absorption_length = get_absorption_length_snoman_d2o(wavelength0); + absorption_length_d2o = get_absorption_length_snoman_d2o(wavelength0); + absorption_length_h2o = get_absorption_length_snoman_h2o(wavelength0); + + get_path_length(pos,pmt_pos,AV_RADIUS,&l_d2o,&l_h2o); /* FIXME: add angular response and scattering/absorption. */ - return f*exp(-distance/absorption_length)*omega*FINE_STRUCTURE_CONSTANT*z*z*(1-(1/(beta*beta*n*n)))*get_probability(beta, cos_theta, theta0); + return f*exp(-l_d2o/absorption_length_d2o)*exp(-l_h2o/absorption_length_h2o)*omega*FINE_STRUCTURE_CONSTANT*z*z*(1-(1/(beta*beta*n*n)))*get_probability(beta, cos_theta, theta0); } -- cgit