Image of the week: Precision magnetic field mapping for CERN experiment NA62

In the CERN experiment NA62, low-mass straw-tube tracking-chambers have been designed to operate in vacuum and, in conjunction with precisely mapped magnetic fields, enable the determination of the trajectories of the charged decay products of a 75 GeV/c K+ with high accuracy.  

This week’s image is from this paper on NA62 by John R Fry, Giuseppe Ruggiero and Felix Bergsma.

Residual magnetic fields CERN

Residual values of BX over the X–Y plane at Z = 0, (left) before corrections for Hall-probe, sensor and panel angles have been applied, (right) after applying all angular corrections.


This work is licensed under a Creative Commons Attribution 3.0 Unported License. Image and thumbnail Yichao Wang and David R Andersen 2016 J. Phys.: Condens. Matter 28 475301. © 2016 IOP Publishing Ltd. All rights reserved.

Categories: Journal of Physics G: Nuclear and Particle Physics

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