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Questions related from Shankar Lal
I want to carryout beam dynamics simulations using code ASTRA, where I want use a 3m long 2856 MHz traveling wave linac. As per ASTRA manual "The field table has to contain the on-axis...
07 July 2025 1,842 0 View
I want to download the Poisson/superfish code developed by LANL. Earlier it was available on LANL website, but I did not find it now. Can anyone help me how to get the latest version of...
06 June 2025 7,360 0 View
In CST Wake field solve it takes a particle beam with gaussian shape, but I want to calculate wake field due to a arbitrary shape ( mainly a rectangular beam), because experimental beam is not...
12 July 2023 3,371 1 View
I need some help regarding importing the CST field data to ASTRA. With the help of a colleague, I got a matlab script to convert the CST data into ASTRA field plots. That the program work very...
20 September 2021 7,340 1 View
In text books defined that if in a collision the total kinetic energy before and after collision is conserved then it is called elastic collision other wise in-elastic ( momentum conserve in both...
27 January 2021 3,271 5 View
I want to recognize and calculate R/Q for the Higher Order Modes (HOMs) in a multi-cell coupled accelerating structure. Although by plotting the E and B field components in radial, azimuthal...
22 September 2020 6,321 1 View
When a beam of charge particles pass through an RF cavity it leave wake behind it and in fundamental mode the induced voltage is known as beam loading voltage . The amplitude of beam loading...
17 January 2020 1,657 3 View
