https://doi.org/10.1140/epjp/i2019-12465-9
Regular Article
Influence of target material impurities on physical results in relativistic heavy-ion collisions
Institute of Physics, Jan Kochanowski University, 25-406, Kielce, Poland
* e-mail: maciej.rybczynski@ujk.edu.pl
Received:
3
September
2018
Accepted:
10
December
2018
Published online:
30
January
2019
This paper presents the studies on the influence of the target material impurities on physical observables measured in heavy-ion collisions collected by fixed target experiments. It mainly concerns the measurements of multiplicity fluctuations, which can be used in searches for the critical point of strongly interacting matter, e.g. in the NA61/SHINE fixed-target experiment at CERN SPS. The elemental composition of the targets used in the NA61/SHINE experiment was determined applying the wavelength dispersive X-ray fluorescence (WDXRF) technique. The influence of the measured target impurities on multiplicity distributions and scaled variance was estimated using simulated events. A multiplicity analysis technique which limits the influences coming from target impurities was proposed.
© The Author(s), 2019
