Revisiting the analysis of axion-like particles with the Fermi-LAT gamma-ray observation of NGC1275

Revisiting the analysis of axion-like particles with the Fermi-LAT gamma-ray observation of NGC1275

In this work, we re-analyze the Fermi-LAT observation of NGC 1275 to search for axion-like particle (ALP) effects and constrain ALP parameters. Instead of fitting the observed spectrum with ALP models, we adopt an alternative method for the analysis of this source which calculates the irregularity o...

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Bibliographic Details
Main Authors: Ji-Gui Cheng, Ya-Jun He, Yun-Feng Liang, Rui-Jing Lu, En-Wei Liang
Format: Article
Language:English
Published: Elsevier 2021-10-01
Series:Physics Letters B
Subjects:
Dark matter
Gamma rays: general
Axion-like particle
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269321005517

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