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This commit is contained in:
Gabriele Cosmo
2016-06-09 15:07:44 +02:00
parent fe73f43734
commit 75c7fd177d
764 changed files with 45230 additions and 95238 deletions
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source/processes/hadronic/models/cascade/History
+6
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@@ -14,6 +14,12 @@ code and to keep track of all tags.
* Please list in reverse chronological order (last date on top)
---------------------------------------------------------------
04 May 2007 Aatos Heikkinen (hadr-casc-V08-02-00)
-------------------------------------------------
- Added protection in G4ElementaryParticleCollider against negative
value to sqrt().
08 May 2006 Dennis Wright (hadr-casc-V08-00-00)
-----------------------------------------------
source/processes/hadronic/models/cascade/cascade/src/G4ElementaryParticleCollider.cc
+8 -2
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@@ -562,8 +562,14 @@ generateSCMfinalState(G4double ekin,
G4double m2 = dummy.getParticleMass(particle_kinds[1]);
m2 *= m2;
G4double a = 0.5 * (etot_scm * etot_scm - m1 - m2);
G4double np = std::sqrt((a * a - m1 * m2) / (m1 + m2 + 2.0 * a));
mom = particleSCMmomentumFor2to2(is, kw, ekin, np);
G4double em = a * a - m1 * m2;
if (em > 0) { // see if it is possible to rescale?
G4double np = std::sqrt( em / (m1 + m2 + 2.0 * a));
mom = particleSCMmomentumFor2to2(is, kw, ekin, np);
} else { // rescaling not possible
mom = particleSCMmomentumFor2to2(is, kw, ekin, pscm);
}
} else {
mom = particleSCMmomentumFor2to2(is, kw, ekin, pscm);