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Low-\(Q^2\) elastic electron-proton scattering using a gas jet target

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 ra...

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Bibliographic Details
Published in:arXiv.org 2022-08
Main Authors: 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
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Language:English
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Summary: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.
ISSN:2331-8422
DOI:10.48550/arxiv.2208.13689