AUDOUIN, L.; TASSAN-GOT, L.; ARMBRUSTER, P.; BENLLIURE, J.; BERNAS, M.; BOUDARD, A.; CASAREJOS, E.; CZAJKOWSKI, S.; ENQVIST, T.; FERNÁNDEZ-DOMÍNGUEZ, B.; JURADO, B.; LEGRAIN, R.; CROSS, Maltese; LERAY, S.; MUSTAPHA, B.; PEREIRA, J.; PRAVIKOFF, M.; REJMUND, F.; RICCIARDI, M.-V.; SCHMIDT, K.-H.; STÉPHAN, C.; TAIEB, J.; VOLANT, C.; WLAZ&#322O, W.

doi:10.1016/j.nuclphysa.2006.01.006

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AUDOUIN, L.
Institut de Physique Nucléaire d'Orsay [IPNO]

TASSAN-GOT, L.
Institut de Physique Nucléaire d'Orsay [IPNO]

ARMBRUSTER, P.

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Nuclear Physics A. 2006, vol. 768, p. 1-21

Elsevier

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The production cross sections of fragmentation–evaporation residues in the reaction Pb+p at Click to view the MathML source have been measured using the inverse-kinematics method and the FRS spectrometer (GSI). Fragments were identified in nuclear charge using ionisation chambers. The mass identification was performed event-by-event using the Bρ–TOF–ΔE technique. Although partially-unresolved ionic charge states induced an ambiguity on the mass of some heavy fragments, production rates could be obtained with a high accuracy by systematically accounting for the polluting ionic charge states. The contribution of multiple reactions in the target was subtracted using a new, partly self-consistent code. The isobaric distributions are found to have a shape very close to the one observed in experiments at higher energy. Kinematic properties of the fragments were also measured. The total and the isotopic cross sections, including charge-pickup cross sections, are in good agreement with previous measurements and models. The data are discussed in the light of previous spallation measurements, especially on lead at 1 GeV.< Leer menos

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Spallation reactions

Isotopic production cross sections

Accelerator-driven system

Evaporation residues

Multiple reactions in target

Charge-pickup cross sections

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Evaporation residues produced in spallation of 208Pb by protons at 500 MeV

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