Topic 3 pyAT errors and corrections



EURIZON Task 4.1 Status:

M4.1.1 (M30 July 2022, DESY) Identify common beam physics interests, define necessary software developments
M4.1.2 (M30 July 2022, DESY) Definition of the work organisation for beam dynamics studies
M4.1.3 (M32 September 2022, ESRF) Define work organisation and contributors to the tasks identified in M4.1.1

M4.1.6 (M42 July 2023, ESRF) Assess feasibility of experimental validation on EBS or PETRA III.

To do:

M4.1.4 (M36 Jan 2023, DESY) Beam Diagnostics: Definition of the work organization for beam diagnostics studies

M4.1.5 (M42 Jul 2023, ESRF) Beam Diagnostics: Selection of the shaker device

D4.1.1 (M38 March 2023, ESRF) Preliminary technical report with proof of principle validation on simplified test cases

D4.1.2 (M48, January 2024, DESY) Final technical report with detailed beam dynamics studies and documentation for EBS and/or PETRA IV

D4.1.3 (M48, Januray 2024 DESY) Technical report on beam diagnostics studies with detailed documentation.



E Musa


presentaiont by E.Musa
FCC-ttbar simulations in pyAT
objective is to speed up the code for FCC.
family concept included
For large lattices like FCC: equaly distributed correctors
gradient and tilt errors applied (sext off)
gets perfect correction.
correction for quadrupole and skew quadripole
all singular values seem usefull.
35 minutes for 100 quad, 4 correctors, all BPMs
9h to correct random errors case
did apply to PETRAIII? PETRAIV matlab simualtions.

presentation by S.L.

I.A. has many questions, will adress by email.

L.M. some ORM derivative formulas available also in python OMC3 code. may be not including thick corrections.

S.W. can improve the code by not copying the ring in ORM computations. Parallelized SVD exists . Can also look for sparse matrix. full_matrix = 'economny' + sparse matrix (lots of zeros).

MDT discussion:
ES postpones (B.Veglia may not come during restart)
TbT Sunday 23rd October 23.00-3.00

N.C. simulations not ready, so may not be ready for MDT. Also control of shaker etc must be further discussed.
Diagnostics colleagues to be involved.
S.W. may need an hardware commissioning shift
N.C. may try to have some acquisitions shaker on and look at the data. Test everything and postpone the measurement to a later Monday nigth. Try to take data, and see that acquisition runs ok.

NO MDT on restart. techincal MDT at ESRF. Then in the run Monday nigths 23-3


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