Search found 5 matches
- 12 Apr 2021, 10:20
- Forum: Bugs
- Topic: IBSCATTER with ILMATRIX gives wrong Horizontal Emittance
- Replies: 1
- Views: 10579
IBSCATTER with ILMATRIX gives wrong Horizontal Emittance
Hi, I am trying to model a ramping booster using an ILMATRIX + SREFFECT element with IBS effects included via the IBSCATTER element. In all cases I have tried, the horizontal emittance seems to scale, if at all, inversely proportional to the bunch charge. If I track using element-by-element tracking...
- 02 Oct 2020, 04:18
- Forum: Bugs
- Topic: Space charge when splitting lattice into files
- Replies: 2
- Views: 9052
Re: Space charge when splitting lattice into files
Hi, Apologies, but I have fixed my own stupidity here. I was using CSRDRIFTs (since I have a 2-dipole chicane), and the LSC works in the CSRDRIFT after the dipole in the SINGLE lattice case. In the SPLIT lattice, (since there are no dipoles in the POST-DOGLEG.lte) file, CSRDRIFTS do not work in term...
- 30 Sep 2020, 12:45
- Forum: Bugs
- Topic: Space charge when splitting lattice into files
- Replies: 2
- Views: 9052
Space charge when splitting lattice into files
Hi, I have a beamline with a compressing dogleg, and some LSC-induced energy spread growth in the line *after* the dogleg, when I am at maximum compression. This is expected. However, if I split my lattice into (say), DOGLEG.lte, POST-DOGLEG.lte etc. and track using the output of the previous lattic...
- 06 Nov 2015, 07:59
- Forum: Bugs
- Topic: Issue with EMATRIX and DELTAP
- Replies: 3
- Views: 4938
Re: Issue with EMATRIX and DELTAP
Michael,
Thanks! That is so obvious, but I completely missed it.
I had translated the deck from a MAD line, which assumes the identity matrix if not told otherwise.
James
Thanks! That is so obvious, but I completely missed it.
I had translated the deck from a MAD line, which assumes the identity matrix if not told otherwise.
James
- 05 Nov 2015, 13:18
- Forum: Bugs
- Topic: Issue with EMATRIX and DELTAP
- Replies: 3
- Views: 4938
Issue with EMATRIX and DELTAP
Hello! I am trying to simulate off energy particle tracking through an undulator beam-line, where the undulator is implemented as a matrix (the nominal design is for a helical undulator). I need to obtain the trajectory at various momenta, so I use the centroid file and vary an initial MALIGN elemen...