I was trying to plot the ctau of a BSM particle in madanalysis5 using the function ctau() of MCParticleFormat in the expert mode. However, it seems to give the value zero every time. I need help in resolving the issue. The analysis snipet is given below. for(MAuint32 i=0; iparticles().size(); i++) { if(abs(event.mc()->particles()[i].pdgid())!=9000007) continue; std::cout<particles()[i].pdgid()<<"\t"<particles()[i].ctau()< 13 0 +3.8396570e-09 6.13616900e+02 7.81860800e-03 9.87755100e-02 3 -1 0 0 501 0 +0.0000000000e+00 +0.0000000000e+00 +4.0189104069e+02 4.0189105338e+02 1.0100000000e-01 0.0000e+00 -1.0000e+00 -3 -1 0 0 0 501 -0.0000000000e+00 -0.0000000000e+00 -2.3422122208e+02 2.3422124385e+02 1.0100000000e-01 0.0000e+00 1.0000e+00 23 2 1 2 0 0 +2.8421709430e-14 -2.8421709430e-14 +1.6766981861e+02 6.3611229723e+02 6.1361688912e+02 4.7141e-14 0.0000e+00 9000007 2 3 3 0 0 -1.7107677329e+02 +1.2626355258e+02 +1.0585629305e+02 3.2386066054e+02 2.2016000000e+02 6.2026e+00 0.0000e+00 24 2 4 4 0 0 -3.1426600489e+01 +1.0915897758e+01 -9.2309061579e-01 3.3672636996e+01 5.1192132036e+00 8.1136e-14 0.0000e+00 -9000007 2 3 3 0 0 +1.7107677329e+02 -1.2626355258e+02 +6.1813525561e+01 3.1225163669e+02 2.2016000000e+02 5.8829e+00 0.0000e+00 -24 2 6 6 0 0 +2.3085737333e+01 -2.7910681004e+01 +2.3444790133e+00 3.8187407777e+01 1.1866935096e+01 2.4407e-13 0.0000e+00 9000005 1 4 4 0 0 -1.3965017280e+02 +1.1534765482e+02 +1.0677938366e+02 2.9018802355e+02 2.0000000000e+02 0.0000e+00 1.0000e+00 -11 1 5 5 0 0 -8.8130700251e+00 +5.4630162720e+00 +3.6465129679e-01 1.0375341965e+01 5.1100000000e-04 0.0000e+00 1.0000e+00 12 1 5 5 0 0 -2.2613530464e+01 +5.4528814858e+00 -1.2877419126e+00 2.3297295032e+01 0.0000000000e+00 0.0000e+00 -1.0000e+00 9000005 1 6 6 0 0 +1.4799103596e+02 -9.8352871578e+01 +5.9469046548e+01 2.7406422891e+02 2.0000000000e+02 0.0000e+00 -1.0000e+00 11 1 7 7 0 0 +2.0557214877e+01 -2.0920030374e+01 -2.3031439023e+00 2.9420251978e+01 5.1100000000e-04 0.0000e+00 -1.0000e+00 -12 1 7 7 0 0 +2.5285224559e+00 -6.9906506299e+00 +4.6476229156e+00 8.7671557991e+00 0.0000000000e+00 0.0000e+00 1.0000e+00 0 0.61361689E+03 0 1 3 0.61829393E-01 0.61361689E+03 1 -3 0.36034037E-01 0.61361689E+03 0.51104293E+01 ...

When	Who	Action	New State
2020-10-27	Jack Y. Araz	Answer	Answered
2020-10-27	Sahasransu	Reopen	Open
2020-10-27	Jack Y. Araz	Answer	Answered
2020-10-27	Sahasransu	Reopen	Open
2020-10-27	Jack Y. Araz	Answer	Answered
2020-10-27	Sahasransu	Confirm	Solved

MadAnalysis 5

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