双轻子对热和/或致密物质中的质量标度效应几乎“视而不见”
Dileptons Get Nearly "Blind" to Mass-Scaling Effects In Hot and/or Dense Matter
摘要：
基于BHHRS，并通过我在2008年10月与Gerry Brown的讨论进一步深化，我们得出了目前对双轻子传奇的评估，即双轻子对手征对称性真空结构的变化变得“盲目”（例如，BR在高温和/或高密度下结垢，因此与人们普遍认为的相反，\em \em不是用于部分或完全手性恢复的信号的合适探针。然而，有各种间接的迹象表明，标度概念是定性的，如果不是定量的，有效的，应该在各种低能核现象中工作，公平地得出结论，虽然没有直接证据支持标度概念，但也有{ \em没有反对}它，与2009年11月CERN的声明强烈不一致。我将简要地谈到某些观测值，这些观测值可以为温度和/或密度改变的手征对称性真空结构提供明确的石蕊信号。
英文摘要：
Based on BHHRS and further sharpened by discussions with Gerry Brown that I had in October 2008, we arrive at the present assessment of the dilepton saga, namely, that dileptons become "blind" to changes in the vacuum structure of chiral symmetry (such as, e.g., BR scaling at high temperature and/or at high density and hence are {\em not} an appropriate probe for a signal for partial or complete chiral restoration, contrary to what has been widely believed. There, however, are a variety of indirect indications that the scaling notion is qualitatively, if not quantitatively, valid and should work in various low-energy nuclear phenomena, and it is fair to conclude that while there is no direct evidence for the scaling notion, there is {\em none against} it either, in a strong disagreement with what was claimed in CERN Courier November 2009. I will touch briefly on certain observables that could give a clear-cut litmus signal for the vacuum structure of chiral symmetry modified by temperature and/or density.
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