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May 21 – 26, 2017
Beijing International Convention Center
Asia/Shanghai timezone

Calibration of the LHAASO-KM2A electromagnetic particle detectors

May 23, 2017, 12:12 PM
18m
Room 305A (Beijing International Convention Center)

Room 305A

Beijing International Convention Center

No.8 Beichen Dong Road, Chaoyang District, Beijing P. R. China 100101
oral Astrophysics and space instrumentation R1-Astrophysics and space instrumentation(1)

Speaker

Mr Hongkui Lv (Institute of High Energy Physics)

Description

The Large High Altitude Air Shower Observatory (LHAASO) is a multipurpose project focusing on the study of high energy gamma ray astronomy and cosmic ray physics. The one square kilometer array (KM2A) of the observatory will consists of more than 5000 electromagnetic particle detectors (EDs). The large number of detectors demands on a robust, automatic self-calibration method. In this paper, the hardware and software-level methods used to calibrate the output charge and relative time-offset of EDs are described. These two independent calibration techniques have been applied in the KM2A prototype array to provide an estimation of uncertainties. As a result of this work, we have achieved a precision which can meet the requirements of KM2A EDs.

Primary author

Mr Hongkui Lv (Institute of High Energy Physics)

Presentation materials