The time-space structure of pulses in Cherenkov light detectors

TL;DR

This paper presents calculations of Cherenkov light pulse structures in detectors at the Yakutsk array, emphasizing the importance of precise measurements for calibration and analyzing pulse width variations with distance from the shower axis.

Contribution

It provides detailed calculations of Cherenkov light pulse shapes and widths, confirming the validity of the Q(400) signal measurement at the Yakutsk array.

Findings

Pulse width increases from ~50 ns at 100 m to ~700 ns at 1000 m

Validation of Q(400) as an estimation parameter

Pulse structure analysis aids in calibration accuracy

Abstract

Here the results of calculations of pulses in Cherenkov light detectors for the Yakutsk array are presented. As long as the Vavilov-Cherenkov light is used to calibrate signals in scintillation detectors at the Yakutsk array it is vital for these measurements to be precise. The validity of measurements of the signal Q(400) used as the estimation parameter at the Yakutsk array has been confirmed. Our calculations show that the width of time pulses increases from nearly 50 ns at a distance of 100 m from the shower axis up to 700 ns at 1000 m.