Proton nuclear simulation issue (MCNP6)

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SUMMARY

The forum discussion centers on a simulation issue in MCNP6, where 96% of protons are lost due to energy cutoff during a proton beam interaction with targets. The user, Eva, utilizes a tally4 for measuring reactions but questions the validity of the results given the significant loss of protons. The discussion highlights the importance of specifying proton energy and target material to diagnose the problem accurately.

PREREQUISITES
  • Understanding of MCNP6 simulation software
  • Knowledge of proton beam interactions with materials
  • Familiarity with tally4 in MCNP6 for reaction measurement
  • Basic principles of energy cutoff in particle simulations
NEXT STEPS
  • Investigate the impact of energy cutoff settings in MCNP6
  • Learn how to specify target materials in MCNP6 simulations
  • Explore the use of different tally types in MCNP6 for accurate results
  • Research proton energy levels and their effects on interaction rates
USEFUL FOR

Researchers and engineers working with particle simulations, particularly those using MCNP6 for proton beam studies, will benefit from this discussion.

evjanuclear
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Hi,
I'm simulating in MCNP6 the reaction of proton beam on targets but in the simulation the 96% of the proton are lost for energy cutoff.
I don't understand why happen that. I use a tally4 to obtain the reaction in the target, but I suppose the results are wrong because the lost of protons (if they are lost they can´t interact isn´t it?)

Any idea?

Thanks,
Eva
 
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Eva,
Can you tell us the energy of the protons and the material of the target ?
 

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