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引用次数: 0
摘要
伽马射线暴 GRB221009A 在 γ 射线和 X 射线直至远紫外线的亮度都是前所未有的,多个空间和地面光学/近红外望远镜可以在一个红移 z=0.151 的宿主星系中进行识别,并首次通过宇宙射线空气淋浴事件将其与 251 TeV 的光子联系起来。这与量子引力(QG)潜在的可观测现象直接矛盾,在QG现象中,时空 "泡沫 "在传播宇宙距离的波阵面中累积,在足够高的能量下,通过有效地将其光子扩散到整个天空,使遥远但明亮的点状物体变得不可见。但这种效应不会导致光子损失,因此它与银河系外背景光的任何吸收都是不同的。本文描述了泡沫引起的模糊的一个简单的多波长平均值,类似于从地面看到的大气。当在费米和斯威夫特仪器的视场范围内缩放时,它适合所有z≤5、峰值能量为10MeV或更小的GRB角分辨数据,并且仍然与GRB221009A的最高能量定位相一致:约1度的极限边界与全息QG-favored公式一致。
Holographic Quantum-Foam Blurring Is Consistent with Observations of Gamma-Ray Burst GRB221009A
Gamma-ray burst GRB221009A was of unprecedented brightness in the γ-rays and X-rays through to the far ultraviolet, allowing for identification within a host galaxy at redshift z=0.151 by multiple space and ground-based optical/near-infrared telescopes and enabling a first association—via cosmic-ray air-shower events—with a photon of 251 TeV. That is in direct tension with a potentially observable phenomenon of quantum gravity (QG), where spacetime “foaminess” accumulates in wavefronts propagating cosmological distances, and at high-enough energy could render distant yet bright pointlike objects invisible, by effectively spreading their photons out over the whole sky. But this effect would not result in photon loss, so it remains distinct from any absorption by extragalactic background light. A simple multiwavelength average of foam-induced blurring is described, analogous to atmospheric seeing from the ground. When scaled within the fields of view for the Fermi and Swift instruments, it fits all z≤5 GRB angular-resolution data of 10 MeV or any lesser peak energy and can still be consistent with the highest-energy localization of GRB221009A: a limiting bound of about 1 degree is in agreement with a holographic QG-favored formulation.
GalaxiesPhysics and Astronomy-Astronomy and Astrophysics
CiteScore
4.90
自引率
12.00%
发文量
100
审稿时长
11 weeks
期刊介绍:
Es una revista internacional de acceso abierto revisada por pares que proporciona un foro avanzado para estudios relacionados con astronomía, astrofísica y cosmología. Areas temáticas Astronomía Astrofísica Cosmología Astronomía observacional: radio, infrarrojo, óptico, rayos X, neutrino, etc. Ciencia planetaria Equipos y tecnologías de astronomía. Ingeniería Aeroespacial Análisis de datos astronómicos. Astroquímica y Astrobiología. Arqueoastronomía Historia de la astronomía y cosmología. Problemas filosóficos en cosmología.