Threshold π 0 photoproduction on transverse polarised protons at MAMI

Here, polarisation-dependent differential cross sections σT associated with the target asymmetry T have been measured for the reaction γp→ → pπ0 with transverse target polarisation from π0 threshold to photon energies of 190 MeV. The data were obtained using a frozen-spin butanol target with the Cry...

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Published in:	Physics letters. B 2015-11, Vol.750 (C), p.252-258
Main Authors:	Schumann, S., Otte, P.B., Akondi, C.S., Annand, J.R.M., Arends, H.-J., Beck, R., Bernstein, A.M., Borisov, N., Braghieri, A., Briscoe, W.J., Cherepnya, S., Collicott, C., Costanza, S., Downie, E.J., Dieterle, M., Fernández-Ramírez, C., Fix, A., Fil'kov, L.V., Garni, S., Glazier, D.I., Gradl, W., Gurevich, G., Hall-Barrientos, P., Hamilton, D., Hornidge, D., Howdle, D., Huber, G.M., Kashevarov, V.L., Keshelashvili, I., Kondratiev, R., Korolija, M., Krusche, B., Lazarev, A., Lisin, V., Livingston, K., MacGregor, I.J.D., Mancel, J., Manley, D.M., Martel, P.P., McNicoll, E.F., Meyer, W., Middleton, D., Miskimen, R., Mushkarenkov, A., Nefkens, B.M.K., Neganov, A., Nikolaev, A., Oberle, M., Ostrick, M., Ortega, H., Ott, P., Oussena, B., Paudyal, D., Pedroni, P., Polonski, A., Polyanski, V.V., Prakhov, S., Reicherz, G., Rostomyan, T., Sarty, A., Sikora, M.H., Sokhoyan, V., Steffen, O., Strakovsky, I.I., Strub, Th, Supek, I., Tiator, L., Thomas, A., Unverzagt, M., Usov, Yu.A., Watts, D.P., Werthmüller, D., Witthauer, L., Wolfes, M.
Format:	Article
Language:	English
Subjects:	chiral perturbation-theory electromagnetic multipoles microtron near-threshold neutral pion-photoproduction photon spectrometer PHYSICS OF ELEMENTARY PARTICLES AND FIELDS scattering taps target asymmetry threshold π0 photoproduction unitary
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