With null results in resonance searches at the LHC, the physics potential focus is now shifting towards the interpretation of nonresonant phenomena. An example of such shift is the increased popularity of the EFT programme. We can embark on such programme owing to the good integrated luminosity and an excellent understanding of the detectors, which will allow these searches to become more intense as the LHC continues. In this paper, we provide a framework to perform this interpretation in terms of a diverse set of scenarios, including (1) generic heavy new physics described at low energies in terms of a derivative expansion, such as in the EFT approach; (2) very light particles with derivative couplings, such as axions or other light pseudo-Goldstone bosons; and (3) the effect of a quasicontinuum of resonances, which can come from a number of strongly coupled theories, extradimensional models, clockwork set-ups, and their deconstructed cousins. These scenarios are not equivalent despite all nonresonance, although the matching among some of them is possible, and we provide it in this paper.

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关于碰撞者非共振现象的解释

在大型强子对撞机进行共振搜索时，由于没有结果，因此物理潜能的重点现在转移到了非共振现象的解释上。这种转变的一个例子是电子转帐计划日益普及。由于良好的综合发光度和对探测器的出色理解，我们可以着手进行此类程序，随着LHC的继续进行，这些搜索将变得更加激烈。在本文中，我们提供了一个框架，可以根据多种情况进行这种解释，包括：（1）在低能量下通过导数展开（如EFT方法）描述的通用重新物理。（2）具有微分耦合的非常轻的粒子，例如轴子或其他轻的伪金石玻色子；（3）准连续共振的影响，它可以来自许多紧密耦合的理论，超维模型，发条装置及其解构的表亲。尽管全部不谐振，但这些场景并不等效，尽管其中某些场景是可以匹配的，我们将在本文中进行介绍。