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| 1 | #ifndef MARS_MPhoton
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| 2 | #define MARS_MPhoton
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| 3 |
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| 4 | #ifndef MARS_MParticle
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| 5 | #include "MParticle.h"
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| 6 | #endif
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| 7 |
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| 8 | class TH1;
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| 9 |
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| 10 | class MPhoton : public MParticle
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| 11 | {
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| 12 | public:
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| 13 |
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| 14 | MPhoton(Double_t e=0, Double_t z=0)
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| 15 | : MParticle(MParticle::kEGamma)
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| 16 | {
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| 17 | fEnergy = e;
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| 18 | fZ = z;
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| 19 | }
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| 20 |
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| 21 | MPhoton(MParticle &p) : MParticle(p, MParticle::kEGamma) { }
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| 22 | MPhoton(MParticle &p, Double_t e) : MParticle(p, e, MParticle::kEGamma) { }
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| 23 |
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| 24 | void operator=(MParticle &p) { MParticle::operator=(p); }
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| 25 |
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| 26 | void Fill(TH1 &h, Double_t idx, Double_t w) const;
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| 27 |
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| 28 | // ----------------------------------------------------------------
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| 29 |
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| 30 | static Double_t Sigma_gg(Double_t *x, Double_t *k=NULL);
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| 31 | static Double_t Int1(Double_t *x, Double_t *k=NULL);
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| 32 | static Double_t Int2(Double_t *x, Double_t *k);
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| 33 | static Double_t InteractionLength(Double_t *x, Double_t *k=NULL);
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| 34 | static Double_t GetInteractionLength(Double_t energy, Double_t z=0);
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| 35 |
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| 36 | Double_t GetInteractionLength() const;
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| 37 |
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| 38 | // ----------------------------------------------------------------
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| 39 |
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| 40 | static void DrawInteractionLength(Double_t z, Double_t from=2e2, Double_t to=1e11, Option_t*opt="");
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| 41 | void DrawInteractionLength() const;
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| 42 |
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| 43 | ClassDef(MPhoton, 1)
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| 44 | };
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| 45 |
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| 46 | #endif
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