24–29 Nov 2023
Tianfu Cosmic Ray Research Center
Asia/Shanghai timezone

Study the variance of the mean logarithmic mass of cosmic rays in the knee region using LHAASO-KM2A

26 Nov 2023, 14:40
5m
Tianfu Cosmic Ray Research Center

Tianfu Cosmic Ray Research Center

No. 1500 Kezhi Road, Tianfu New Area, Chengdu, China
Poster report(print size: 0.6m Wide*1.2m High) Cosmic-ray physics Poster

Speaker

Hengying Zhang (IHEP)

Description

Utilizing the unique advantages of the LHAASO experiment, we have achieved a high-precision measurement of the muon content generated by cosmic rays in the knee region of atmospheric showers. The first measurement of $\sigma_{lnA}$ in the knee region using LHAASO-KM2A, combined with $\langle\ln (A)\rangle$, provides experimental evidence for major physical issues such as the origin of the knee region and the origin of cosmic rays.

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