从750个GeV双光子过剩重新审视轻弦态
Revisiting light stringy states in view of the 750 GeV diphoton excess
摘要：
我们研究出现在膜交叉点的轻质量弦态。它们以更丰富的方式复制无质量光谱，并且可能比标准的Regge激发参数更轻。我们确定的前几个物理状态，并确定其BRST不变顶点算子。在超对称情况下，我们重建了超多重态结构。然后，我们计算一些简单的相互作用，例如一个大质量标量或矢量衰变成两个无质量费米子的速率。最后，我们提出了另一种解释750 GeV的双光子过剩在LHC在一个轻质量的弦状态，一个副本的标准模型希格斯。
英文摘要：
We investigate light massive string states that appear at brane intersections. They replicate the massless spectrum in a richer fashion and may be parametrically lighter than standard Regge excitations. We identify the first few physical states and determine their BRST invariant vertex operators. In the supersymmetric case we reconstruct the super-multiplet structure. We then compute some simple interactions, such as the decay rate of a massive scalar or vector into two massless fermions. Finally we suggest an alternative interpretation of the 750 GeV diphoton excess at LHC in terms of a light massive string state, a replica of the Standard Model Higgs.
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