KM3NeT/ARCA 探测器对漫射中微子通量和点状源发射的不同灵敏度：探索星爆星系案例

IF 4.2 3区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Astroparticle Physics Pub Date : 2024-05-22 DOI:10.1016/j.astropartphys.2024.102990

S. Aiello , A. Albert , M. Alshamsi , S. Alves Garre , Z. Aly , A. Ambrosone , F. Ameli , M. Andre , E. Androutsou , M. Anguita , L. Aphecetche , M. Ardid , S. Ardid , H. Atmani , J. Aublin , F. Badaracco , L. Bailly-Salins , Z. Bardačová , B. Baret , A. Bariego-Quintana , N. Zywucka

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引用次数: 0

摘要

KM3NeT/ARCA 是正在地中海建造的切伦科夫中微子望远镜，专门用于探测能量超过 1 TeV 的天体物理中微子。在这项工作中，利用包括全味中微子在内的蒙特卡洛模拟，提出了 KM3NeT/ARCA 的综合和差分灵敏度，考虑了弥散中微子通量以及扩展和点状中微子源的情况。这一分析适用于星爆星系，表明该探测器有能力追踪来自这些中微子源的 TeV 中微子。值得注意的是，在八年之后，来自附近小麦哲伦云的硬幂律频谱可以得到约束。还对 NGC 1068 的灵敏度和发现潜力进行了评估，结果表明 KM3NeT/ARCA 经过 3 年的数据采集后，能够区分所测中微子通量的不同天体物理成分。

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Differential Sensitivity of the KM3NeT/ARCA detector to a diffuse neutrino flux and to point-like source emission: Exploring the case of the Starburst Galaxies

KM3NeT/ARCA is a Cherenkov neutrino telescope under construction in the Mediterranean sea, optimised for the detection of astrophysical neutrinos with energies above $\sim$ 1 TeV. In this work, using Monte Carlo simulations including all-flavour neutrinos, the integrated and differential sensitivities for KM3NeT/ARCA are presented considering the case of a diffuse neutrino flux as well as extended and point-like neutrino sources. This analysis is applied to Starburst Galaxies demonstrating that the detector has the capability of tracing TeV neutrinos from these sources. Remarkably, after eight years, a hard power-law spectrum from the nearby Small Magellanic Cloud can be constrained. The sensitivity and discovery potential for NGC 1068 is also evaluated showing that KM3NeT/ARCA will discriminate between different astrophysical components of the measured neutrino flux after 3 years of data taking.

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来源期刊

Astroparticle Physics 地学天文-天文与天体物理

CiteScore

8.00

自引率

2.90%

发文量

审稿时长

79 days

期刊介绍： Astroparticle Physics publishes experimental and theoretical research papers in the interacting fields of Cosmic Ray Physics, Astronomy and Astrophysics, Cosmology and Particle Physics focusing on new developments in the following areas: High-energy cosmic-ray physics and astrophysics; Particle cosmology; Particle astrophysics; Related astrophysics: supernova, AGN, cosmic abundances, dark matter etc.; Gravitational waves; High-energy, VHE and UHE gamma-ray astronomy; High- and low-energy neutrino astronomy; Instrumentation and detector developments related to the above-mentioned fields.