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arXiv 1905.00535nucl-th
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中微子诱导的单π介子产生:动力学和截面

Neutrino-induced single-pion production: Kinematics and Cross Section

Raúl González-Jiménez

摘要:

在当前和未来的中微子振荡加速器实验的能量范围内,单π介子产生(SPP)是中微子-核散射截面的主要贡献之一。对于这些中微子能量,从几百MeV到几GeV不等,原子核上的SPP通常用反应来描述,在该反应中,进入的轻子与原子核中的一个束缚核子耦合,产生一个π介子和敲出的核子,以及剩余系统和最终状态的散射轻子。在这里,运动学和截面公式为这个过程进行了讨论,虽然形式主义可以应用到其他$2\rightarrow4$过程。

英文摘要:

In the energy range of present and future accelerator-based neutrino-oscillation experiments, single-pion production (SPP) is one of the main contributions to the neutrino-nucleus scattering cross section. For these neutrino energies, ranging from several hundreds of MeV to a few GeV, the SPP on the nucleus is usually described by the reaction in which the incoming lepton couples to one bound nucleon in the nucleus, producing a pion and the knock-out nucleon, along with the residual system and the scattered lepton in the final state. Here, the kinematics and cross section formula for this process are discussed, although the formalism can be applied to other $2\rightarrow4$ processes.

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