Linearly polarised photon beams at ELSA and measurement of the beam asymmetry in pi^0-photoproduction off the proton

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dc.creatorElsner, D.
dc.creatorBantes, B.
dc.creatorBartholomy, O.
dc.creatorBayadilov, D. E.
dc.creatorBeck, R.
dc.creatorBeloglazov, Y. A.
dc.creatorCastelijns, R.
dc.creatorCrede, V.
dc.creatorEhmanns, A.
dc.creatorEssig, K.
dc.creatorEwald, R.
dc.creatorFabry, I.
dc.creatorFornet-Ponse, K.
dc.creatorFuchs, M.
dc.creatorFunke, C.
dc.creatorGridnev, A. B.
dc.creatorGutz, E.
dc.creatorHoeffgen, S.
dc.creatorHoffmeister, P.
dc.creatorHorn, I.
dc.creatorJaegle, I.
dc.creatorJunkersfeld, J.
dc.creatorKalinowsky, H.
dc.creatorKlein, Frank
dc.creatorKlein, Friedrich
dc.creatorKlempt, E.
dc.creatorKonrad, M.
dc.creatorKotulla, M.
dc.creatorKrusche, B.
dc.creatorLoehner, H.
dc.creatorLopatin, I. V.
dc.creatorLotz, J.
dc.creatorLugert, S.
dc.creatorMenze, D.
dc.creatorMertens, T.
dc.creatorMesschendorp, J. G.
dc.creatorMetag, V.
dc.creatorMorales, C.
dc.creatorNanova, M.
dc.creatorNovinski, D. V.
dc.creatorNovotny, R.
dc.creatorOstrick, M.
dc.creatorPant, L. M.
dc.creatorvan Pee, H.
dc.creatorPfeiffer, M.
dc.creatorSarantsev, A. V.
dc.creatorSchmidt, C.
dc.creatorSchmieden, H.
dc.creatorSchoch, B.
dc.creatorShende, S.
dc.creatorSuele, A.
dc.creatorSumachev, V. V.
dc.creatorSzczepanek, T.
dc.creatorThoma, U.
dc.creatorTrnka, D.
dc.creatorWalther, D.
dc.creatorWeinheimer, C.
dc.creatorWendel, C.
dc.date2008-10-10
dc.date.accessioned2026-07-07T13:04:41Z
dc.date.available2026-07-07T13:04:41Z
dc.descriptionAt the electron accelerator ELSA a linearly polarised tagged photon beam is produced by coherent bremsstrahlung off a diamond crystal. Orientation and energy range of the linear polarisation can be deliberately chosen by accurate positioning of the crystal with a goniometer. The degree of polarisation is determined by the form of the scattered electron spectrum. Good agreement between experiment and expectations on basis of the experimental conditions is obtained. Polarisation degrees of P = 40% are typically achieved at half of the primary electron energy. The determination of P is confirmed by measuring the beam asymmetry, Σ, in pi^0 photoproduction and a comparison of the results to independent measurements using laser backscattering.
dc.description9 pages, 10 figures, submitted to EPJA
dc.identifierhttps://arxiv.org/abs/0810.1849
dc.identifierhttp://arxiv.org/abs/0810.1849
dc.identifierEur.Phys.J.A39:373-381,2009
dc.identifierdoi:10.1140/epja/i2008-10708-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/227249
dc.subjectNuclear Experiment
dc.titleLinearly polarised photon beams at ELSA and measurement of the beam asymmetry in pi^0-photoproduction off the proton
dc.typetext

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