41 lines
1.3 KiB
Groovy
41 lines
1.3 KiB
Groovy
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package inr.numass.scripts
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import hep.dataforge.maths.integration.GaussRuleIntegrator;
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import hep.dataforge.maths.integration.UnivariateIntegrator;
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import inr.numass.models.LossCalculator;
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import org.apache.commons.math3.analysis.UnivariateFunction
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UnivariateIntegrator integrator = new GaussRuleIntegrator(400);
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def exPos = 12.878;
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def ionPos = 13.86;
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def exW = 1.32;
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def ionW = 12.47;
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def exIonRatio = 3.96;
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def cutoff = 25d
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UnivariateFunction loss = LossCalculator.getSingleScatterFunction(exPos, ionPos, exW, ionW, exIonRatio);
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println integrator.integrate(loss,0,600);
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println integrator.integrate(loss,0,cutoff);
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println integrator.integrate(loss,cutoff,600d);
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println (integrator.integrate(loss,0,cutoff) + integrator.integrate(loss,cutoff,3000d));
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//double tailValue = (Math.atan((ionPos-cutoff)*2d/ionW) + 0.5*Math.PI)*ionW/2;
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//println tailValue
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//println integrator.integrate(loss,0,100);
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//println integrator.integrate(loss,100,600);
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//def lorentz = {eps->
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// double z = 4 * (eps - ionPos) * (eps - ionPos);
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// 1 / (1 + z / ionW / ionW);
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//}
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//
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//println(integrator.integrate(lorentz, cutoff, 800))
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