On-Orbit Energy Calibration of the Calorimeter on the ISS-CREAM Instrument Using the Boronated Scintillator Detector

Discussion timeslot (ZOOM-Meeting): 16. July 2021 - 18:00
ZOOM-Meeting URL: https://icrc2021.desy.de/pf_access_abstracts
Corresponding Session: https://icrc2021-venue.desy.de/channel/Presenter-Forum-1-Evening-All-Categories/48
Abstract:
'The Cosmic Ray Energetics And Mass instrument on the International Space Station (ISS-CREAM) aims to measure the energy spectra of cosmic ray (CR) nuclei from Z=1 to Z=26 with energies from $10^{12}$ eV to $10^{15}$ eV. The calorimeter (CAL) was designed to measure the energy of the CR particles. The ISS-CREAM on-orbit data provide evidence that the CAL may have either suffered from an efficiency problem or its energy scale may be in need of calibration. As a result, a careful scrutiny of the absolute energy calibration of the CAL is needed. We propose an approach to calibrate the energy scale using the on-orbit data of the boronated scintillator detector, which is independent of CAL data and reduces potential bias. In this talk we will discuss the issues revealed by the on-orbit data, demonstrate how this can be corrected using the boronated scintillator detector and present preliminary results.'

Authors: Yu Chen
Co-Authors: Jason Link | Scott Nutter | Tyler Anderson | Tyler LaBree | John W. Mitchell | S.A. Isaac Mognet | Kenichi Sakai | Stephane Coutu | Jacob Smith | Monong Yu
Indico-ID: 866
Proceeding URL: https://pos.sissa.it/395/074