Title: Muon bundles as a sign of strangelets from the Universe Show Chinese title

Title: μ子束作为来自宇宙奇夸克物质的信号

Abstract: Recently the CERN ALICE experiment, in its dedicated cosmic ray run, observed muon bundles of very high multiplicities, thereby confirming similar findings from the LEP era at CERN (in the CosmoLEP project). Originally it was argued that they apparently stem from the primary cosmic rays with a heavy masses. We propose an alternative possibility arguing that muonic bundles of highest multiplicity are produced by strangelets, hypothetical stable lumps of strange quark matter infiltrating our Universe. We also address the possibility of additionally deducing their directionality which could be of astrophysical interest. Significant evidence for anisotropy of arrival directions of the observed high multiplicity muonic bundles is found. Estimated directionality suggests their possible extragalactic provenance. Show Chinese abstract

Abstract: 近日，CERN的ALICE实验在其专门的宇宙射线运行中观察到了具有极高多重性的μ子簇，从而证实了CERN在LEP时期（CosmoLEP项目）的类似发现。 最初有人认为这些簇显然源自具有重质量的初级宇宙射线。 我们提出了一种替代可能性，即认为最高多重性的μ子簇是由奇异lets产生的，奇异lets是假设存在的稳定夸克物质团块，渗透进我们的宇宙。 我们还讨论了额外推断它们方向性的可能性，这可能具有天体物理学上的兴趣。 发现显著证据表明所观测到的高多重性μ子簇的到达方向存在各向异性。 估算的方向性表明它们可能是河外起源。