对$t \bar t$不对称性的解释：光子手柄
Shedding light on the $t \bar t$ asymmetry: the photon handle
摘要：
我们调查的电荷不对称性$t \bar t γ$生产在大型强子对撞机，提供补充信息的测量不对称性$t \bar t$生产。我们估计的实验不确定度在LHC的测量与8和14 TeV。对于新的物理模型，同时再现在Tevatron的$t \bar t$的不对称性过剩和在LHC的SM-样的不对称性，在$t \bar t γ$在LHC的测量可能会表现出显着的偏差相对于SM的预测。
英文摘要：
We investigate a charge asymmetry in $t \bar t γ$ production at the LHC that provides complementary information to the measured asymmetries in $t \bar t$ production. We estimate the experimental uncertainty in its measurement at the LHC with 8 and 14 TeV. For new physics models that simultaneously reproduce the asymmetry excess in $t \bar t$ at the Tevatron and the SM-like asymmetry at the LHC, the measurement in $t \bar t γ$ at the LHC could exhibit significant deviations with respect to the SM prediction.
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