Measurement of the Fluctuations in the Number of Muons in Extensive Air Showers with the Pierre Auger Observatory
Measurement of the Fluctuations in the Number of Muons in Extensive Air Showers with the Pierre Auger Observatory
复制标题
用皮埃尔俄歇天文台测量大范围空气簇射中 μ 子数量的波动
DOI：
10.1103/physrevlett.126.152002
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发表时间：
2021
影响因子：
8.6
通讯作者：
Anchordoqui, L.
中科院分区：
文献类型：
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作者：
Aab, A.;Abreu, P.;Aglietta, M.;Albury, J. M.;Allekotte, I.;Almela, A.;Alvarez-Muñiz, J.;Alves Batista, R.;Anastasi, G. A.;Anchordoqui, L.
我们首次测量了超高能量宇宙射线产生的大量空气阵雨中μ子数量的波动。我们发现测量到的波动与风淋室模拟的预测很好地吻合。这一观测结果为先前报道的空气阵雨模拟中介子缺陷的起源提供了新的见解，并限制了超高能量强子相互作用的模型。我们的测量结果与粒子产生的强子相互作用模型预测中的小偏差相一致，这些模型随着阵雨的发展而积累。
We present the first measurement of the fluctuations in the number of muons in extensive air showers produced by ultrahigh energy cosmic rays. We find that the measured fluctuations are in good agreement with predictions from air shower simulations. This observation provides new insights into the origin of the previously reported deficit of muons in air shower simulations and constrains models of hadronic interactions at ultrahigh energies. Our measurement is compatible with the muon deficit originating from small deviations in the predictions from hadronic interaction models of particle production that accumulate as the showers develop.