Crash when spin correlations for hadronic tau decays are enabled

[Frank Siegert]

When spin correlations are enabled, a crash with the following backtrace occurs:

Exception_Handler::SignalHandler: Signal (11) caught. 
Exception_Handler::GenerateStackTrace(..): Generating stack trace 
{
  0x2ab5878f13dd  in 'METOOLS::Amplitude_Tensor::~Amplitude_Tensor()' (Spin_Structure.C:69)
  0x2ab5878f13ee  in 'METOOLS::Amplitude_Tensor::~Amplitude_Tensor()' (Spin_Structure.C:69)
  0x2ab5878f14f0  in 'ATOOLS::Blob_Data<METOOLS::Amplitude_Tensor*>::~Blob_Data()' (Spin_Structure.C:258)
  0x2ab582eeb484  in 'ATOOLS::Blob::ClearAllData()' (stl_tree.h:182)
  0x2ab582eec766  in 'ATOOLS::Blob::~Blob()' (Blob.C:106)
  0x2ab5819931d2  in 'SHERPA::Beam_Remnant_Handler::FillBeamAndBunchBlobs(ATOOLS::Blob_List*)' (Beam_Remnant_Handler.C:67)
  0x2ab581528d8a  in 'SHERPA::Event_Handler::GenerateEvent(int)' (Event_Handler.C:155)
  0x2ab5810dbed9  in 'SHERPA::Sherpa::GenerateOneEvent(bool)' (Sherpa.C:181)
  0x402556        in 'main' (Main.C:63)
}   Cannot continue.

This comes from a change in 1.2.2 which fixes #90 but unfortunately hasn't been tested with spin correlations (mea culpa). The fix is very simple, I have attached the corresponding patch. Apply it with

cd SHERPA-MC-1.2.2
patch -p0 < sc-crash.patch
make install

Sorry about this inconvenience!

[Stefan Hoeche]

Milestone old deleted