Spectator detection for the measurement of proton neutron interactions at ANKE

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dc.creatorLehmann, I.
dc.creatorBarsov, S.
dc.creatorSchleichert, R.
dc.creatorWilkin, C.
dc.creatorDrochner, M.
dc.creatorHartmann, M.
dc.creatorHejny, V.
dc.creatorMerzlyakov, S.
dc.creatorMikirtychyants, S.
dc.creatorMussgiller, A.
dc.creatorProtic, D.
dc.creatorStroher, H.
dc.creatorTrusov, S.
dc.creatorWustner, P.
dc.date2007-01-05
dc.date.accessioned2026-07-07T12:00:05Z
dc.date.available2026-07-07T12:00:05Z
dc.descriptionA telescope of three silicon detectors has been installed close to the internal target position of the ANKE spectrometer, which is situated inside the ultra-high vacuum of the COSY-Juelich light-ion storage ring. The detection and identification of slow protons and deuterons emerging from a deuterium cluster-jet target thus becomes feasible. A good measurement of the energy and angle of such a spectator proton (p_sp) allows one to identify a reaction as having taken place on the neutron in the target and then to determine the kinematical variables of the ion-neutron system on an event-by-event basis over a range of c.m. energies. The system has been successfully tested under laboratory conditions. By measuring the spectator proton in the p d to p_sp d pi^0 reaction in coincidence with a fast deuteron in the ANKE Forward Detector, values of the p n to d pi^0 total cross-section have been deduced. Further applications of the telescope include the determination of the luminosity and beam polarisation which are required for several experiments.
dc.description16 pages, 9 figures
dc.identifierhttps://arxiv.org/abs/nucl-ex/0701008
dc.identifierhttp://arxiv.org/abs/nucl-ex/0701008
dc.identifierNucl.Instrum.Meth.A530:275-285,2004
dc.identifierdoi:10.1016/j.nima.2004.04.227
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206774
dc.subjectNuclear Experiment
dc.titleSpectator detection for the measurement of proton neutron interactions at ANKE
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