论文标题
在低动量转移时对弹性Muon-Proton散射的辐射校正
Radiative corrections to elastic muon-proton scattering at low momentum transfers
论文作者
论文摘要
我们系统地计算出低动量转移时弹性$α/π$的辐射校正。这些包括真空极化，哑光和质子的光子环形式，两光子交换校正和软光子辐射。特别是，我们讨论了以$ 100 \ $ GEV MUON BEAM ENEMAL的上述琥珀色实验的运动学的校正。已经发现，对于诞生的横截面的比率，只有质子和两光子交换的光子环形式的次要项取决于强相互作用预先确定的质子结构。由于软光子辐射在辐射校正中发挥着重要作用，因此应将Bremsstrahung工艺的计算$μp\ toμpγ$扩展到软光子近似之外，并根据特定的实验条件定制。
We systematically calculate the radiative corrections of order $α/π$ to elastic muon-proton scattering at low momentum transfers. These include vacuum polarization, photon-loop form factors of the muon and the proton, two-photon exchange corrections and soft photon radiation. In particular, we discuss these corrections for the kinematics of the upcomimg AMBER experiment with a $100\,$GeV muon beam energy. It is found that for the ratio to the Born cross section, only the minor terms from the photon-loop form factors of the proton and two-photon exchange depend on the proton structure predetermined by the strong interactions. Since a prominent role among the radiative corrections is played by soft photon radiation, the calculation of the bremsstrahlung process $μp \toμp γ$ should be extended beyond the soft photon approximation and tailored to the specific experimental conditions.
