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[SOLVED] Beam Smear and Cross Sections [message #13812] Tue, 24 July 2012 21:20 Go to previous message
Michael Kunkel is currently offline  Michael Kunkel
Messages: 53
Registered: June 2011
continuous participant
From: 129.57.115*
Hello again,

Another question about beam smearing.
When I apply a beam smear of a reaction, does pluto preserve the production cross section for that specific beam energy?

I have investigated the output of the code below, and it seems the answer is no. So I ask the forum in case I am coding incorrectly.

    double ebeam_min = 1.1725;
    double ebeam_max = 5.44575;
    PBeamSmearing *beam_smear = new PBeamSmearing("beam_smear", "Beam smearing");

   
    
    TF1* beam_smear_fn = new TF1("beam_smear_fn", "1./x", ebeam_min, ebeam_max);

    beam_smear->SetReaction("g + p");
    beam_smear->SetMomentumFunction(beam_smear_fn);
    makeDistributionManager()->Add(beam_smear);

    ((PDalitzDecay * )makeDistributionManager()->GetDistribution("eta_dalitz"))->SetUseQED(1);


    PReaction my_reaction("_P1 = 2.2","g","p","p eta [dilepton [e+ e-] g]",creater,1,0,0,0);



Thanks
Michael

[Updated on: Tue, 28 May 2013 18:39]

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