低$ q^2 $使用燃气喷射目标弹性电子散射

论文标题

低$ q^2 $使用燃气喷射目标弹性电子散射

Low-$Q^2$ elastic electron-proton scattering using a gas jet target

论文作者

Wang, Y., Bernauer, J. C., Schlimme, B. S., Achenbach, P., Aulenbacher, S., Ball, M., Biroth, M., Bonaventura, D., Bosnar, D., Brand, P., Caiazza, S., Christmann, M., Cline, E., Denig, A., Distler, M. O., Doria, L., Eckert, P., Esser, A., Friscic, I., Gagneur, S., Geimer, J., Grieser, S., Gulker, P., Herrmann, P., Hoek, M., Kegel, S., Kelsey, J., Klag, P., Khoukaz, A., Kohl, M., Kolar, T., Lauß, M., Leßmann, L., Littich, M., Lunkenheimer, S., Marekovic, J., Markus, D., Mauch, M., Merkel, H., Mihovilovic, M., Milner, R. G., Muller, J., Muller, U., Petrovic, T., Pochodzalla, J., Rausch, J., Schlaadt, J., Schurg, H., Sfienti, C., Sirca, S., Spreckels, R., Stengel, S., Stottinger, Y., Szyszka, C., Thiel, M., Vestrick, S., Vidal, C.

论文摘要

在本文中，我们描述了一个实验，该实验使用新开发的低温超音速气射流目标在Mainz Microtron的A1三光度计设备中使用新开发的低温超音速燃气射流目标进行测量。我们测量了$ 0.01 \ le q^2 \ le 0.045（\ text {gev/c}）^2 $的质子电型颜色。实验显示了现有测量结果一致的结果。我们收集的数据证明了使用该气流射流目标使用高分辨率光谱仪使用高分辨率光谱仪的散射实验的可行性以及未来散射实验的潜力。

In this paper, we describe an experiment measuring low-$Q^2$ elastic electron-proton scattering using a newly developed cryogenic supersonic gas jet target in the A1 three-spectrometer facility at the Mainz Microtron. We measured the proton electric form factor within the four-momentum transfer range of $0.01\le Q^2 \le 0.045(\text{GeV/c})^2$. The experiment showed consistent results with the existing measurements. The data we collected demonstrated the feasibility of the gas jet target and the potential of future scattering experiments using high-resolution spectrometers with this gas jet target.

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