Timing studies for the prototype AMIGA detectors

FEDERICO SÁNCHEZ; BRIAN WUNDHEILER; JUAN MANUEL FIGUEIRA; DIEGO RAVIGNANI; MARTÍN CANZIANI; ALEJANDRO ALMELA; MARÍA BELÉN ANDRADA; ANA MARTINA BOTTI; ANGEL CANCIO; ALBERTO ETCHEGOYEN; ALAN FUSTER; BEATRIZ GARCÍA; NICOLÁS GONZÁLEZ; MATÍAS ROLF HAMPEL; EWA HOLT; JOHANNES HULSMAN; MARIELA JOSEBACHUILI; AGUSTÍN LUCERO; DIEGO MELO; SARAH MÜLLER; MATIAS PERLIN; MANUEL PLATINO; GAIA SILLI; DAVID SCHMIDT; FEDERICO SUÁREZ; ALEX TAPIA-CASANOVA; OSCAR WAINBERG

Otro; Pierre Auger Collaboration internal note; 2016

AMIGA detectors are highly segmented devices and, as such, posses the capability of measuring the arrival times of individual muons at a depth of 2.3 m.  Nevertheless, the lack of information of the exact  position  of  a  crossing  particle  along  the  scintillator  strips  (of  2 m  or  4 m  length  depending  on the module area) results in an unavoidable uncertainty in the reconstruction of its arrival time.  In this work, we analyse the delay in the signal for triggering-particle positions spanning from the closest to the farthest ends of the scintillators using well controlled laboratory measurements.  The resolution of the reconstructed times observed is 12 ns.