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Progress in Cosmic-Ray Elemental Energy Spectra and Absolute Energy Calibration

25 Oct 2026, 08:30
20m
Tianfu Cosmic Ray Research Center

Tianfu Cosmic Ray Research Center

No. 1500 Kezhi Road, Tianfu New Area, Chengdu, China

Speaker

lingling Ma(ihep)

Description

Earlier this year, the LHAASO Collaboration published measurements of the cosmic-ray proton and helium spectra from 100 TeV to 10 PeV, revealing new spectral features that suggest potentially different origins of cosmic rays in different energy ranges. To further characterize these features and clarify their physical implications, it is important to extend the proton and helium spectrum measurements to lower energies and investigate the spectra of heavier nuclei. This talk will present recent progress in these studies. In addition, the absolute energy calibration of the detector affects both the energies at which fine spectral features appear and the measured cosmic-ray fluxes. Results of absolute energy calibration using the cosmic-ray Moon shadow will also be presented

Primary author

lingling Ma(ihep)

Presentation materials

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