$\langle$ PDMATHAAC $\rangle$ = 4.2 GeV时$ν_μ$与烃相互作用中μ子+质子末态的测量
Measurement of muon plus proton final states in $ν_μ$ Interactions on Hydrocarbon at $\langle$$E_ν$$\rangle$ = 4.2 GeV
摘要：
本文研究了带电μ子中微子与烃的散射，其中末态包括一个μ子和一个质子，而没有π子。虽然这个签名具有中微子从中子的准弹性散射的拓扑结构，但事件样本包含来自准弹性和非弹性过程的贡献，其中π介子被吸收在核中。分析接受事件的μ介子生产角高达70 $^{\circ}$和质子动能大于110兆电子伏。提取的截面，完全基于强子运动学，是很好地描述了一个简单的相对论性费米气体核模型，包括中微子事件发生器建模的非弹性过程和粒子通过核的运输。这与基于μ子运动学的准弹性截面相反，μ子运动学的准弹性截面最好由包含多核子相关性的扩展模型来描述。这种测量指导制定一个完整的描述中微子核相互作用，包括强子以及轻子方面的这一过程。
英文摘要：
A study of charged-current muon neutrino scattering on hydrocarbon in which the final state includes a muon and a proton and no pions is presented. Although this signature has the topology of neutrino quasielastic scattering from neutrons, the event sample contains contributions from both quasielastic and inelastic processes where pions are absorbed in the nucleus. The analysis accepts events with muon production angles up to 70$^{\circ}$ and proton kinetic energies greater than 110 MeV. The extracted cross section, when based completely on hadronic kinematics, is well-described by a simple relativistic Fermi gas nuclear model including the neutrino event generator modeling for inelastic processes and particle transportation through the nucleus. This is in contrast to the quasielastic cross section based on muon kinematics, which is best described by an extended model that incorporates multi-nucleon correlations. This measurement guides the formulation of a complete description of neutrino-nucleus interactions that encompasses the hadronic as well as the leptonic aspects of this process.
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