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Dear Didier,

Thank you for the explanations.
Indeed, the second plot looks better.

The matching of the dispersion in envelope and multiparticle modes is another issue I have observed.
I was actually planning to ask you about it too.

Thank you.

Best regards,
Emil

Dear Didier,

Thank you for your answer.

Please, let me know when you know more on the subject and when you have checked the modifications.
I will be very grateful to know which of the two approaches gives a better estimation of the dispersion.
Thank you in advance.

Best regards,
Emil

Dear Didier, I opened a project in TraceWin 2.17.1.7, which I have created with an older version (2.16.6.1). Apparently, the dispersion is calculated differently in the two versions (in envelope mode). In the older version I had reached achromaticity whereas with the newer version this is not the ca...

Dear Didier, In the latest version of TraceWin I experienced a problem with the beam current element/command. No matter what value I specify for the beam current I always get beam current of zero in the Beam current plot. If I do not use the command then everything is plotted correctly. In version 2...

Dear Didier, Thank you for the fast reply. Apparently two of my collaborators experienced similar problems. Here are the .ini and .dat files. I am afraid I made some changes in the TraceWin settings after the error showed. I hope it will not make it difficult to find the source. Thank you in advance...

Dear Didier, Lately I get this error message sometimes during PARTRAN optimizations. PLOT_DST number limited to 500 From->[PARTRAN] Library From->[PROCESS_ENVELOPE] : Run PARTRAN From->[PROCESS_ENVELOPE] : Run multiparticle program It happens only sometimes and I cannot find the reason. Once it has ...