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Hi, How to connect the end of the ring to the beginning of a transfer line? For example, in the slow extraction of beams from synchrotron to a transfer line....

question

While investigating FCC lattice we found that with: ``` select, flag=makethin, class=rbend, slice = 1, thick = true; ``` An element declared with: ``` bc1: rbend,l:=lbc1 ,angle:=anglebc1 ,e1:=0 * anglebc1...

bug

It seems like the radiation integrals ignore any k0 value and only compute using angle. Simple example: ``` b: rbend, l = 1, angle = 0, k0 = 0.001; test:...

bug

Q. How to use FOIL (a small thickness) along the beam line and include their effects in MADX PTC tracking? Does MADX has any examples or Macros showing the use...

question

The documentation of the angle attribute is not implemented. The effect is a bit counter-intuitive ``` mm: multipole, angle=1e-20, tilt=0, knl:={1}, ksl:={0}; ! hkicker negative mm: multipole, angle=1e-20, tilt=pi/2, knl:={1},...

enhancement
documentation

Don't you think that these two tests should be the same? https://github.com/MethodicalAcceleratorDesign/MAD-X/blob/ec7ceb14d6c5df52556539de1621d1c767b3e70e/src/madx_ptc_twiss.f90#L1327 https://github.com/MethodicalAcceleratorDesign/MAD-X/blob/ec7ceb14d6c5df52556539de1621d1c767b3e70e/src/madx_ptc_twiss.f90#L1542 Found it while fixing another problem concerning this piece of code with PR #1154

question
PTC

Hi, I've noticed `MAD-X` crashes for inputs of **variable names** that are strictly longer than 47 characters. For instance, opening a `MAD-X` interpreter and entering this line will have it...

enhancement
documentation

Currently 126 tests don't pass using `-finit-real=nan`

bug

Using `make madx-linux64-gnu` does not work on lxplus without special paths. Using `make madx` does work instead.

bug

Synchrotron radiation integrals ("synch_*") are computed correctly with thick elements but are set to 0 when a thin sequence is used. Probably related to LRAD.

bug