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Double differential distribution of electron emission in the ionization of water molecules by fast bare oxygen ions

dc.contributor.authorBHATTACHARJEE, Shamik
dc.contributor.authorBISWAS, Shubhadeep
dc.contributor.authorBAGDIA, Chandan
dc.contributor.authorROYCHOWDHURY, Madhusree
dc.contributor.authorNANDI, Saikat
dc.contributor.authorMISRA, Deepankar
dc.contributor.authorMONTI, J.M.
dc.contributor.authorTACHINO, C.A.
dc.contributor.authorRIVAROLA, R.D.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorCHAMPION, C.
dc.contributor.authorTRIBEDI, Lokeshc.
dc.date.issued2016
dc.identifier.issn0953-4075
dc.description.abstractEnThe doubly differential distributions of low-energy electron emission in the ionization of water molecules under the impact of fast bare oxygen ions with energy of 48 MeV are measured. The measured data are compared with two quantum-mechanical models, i.e. the post and prior versions of the continuum distorted wave–eikonal initial state (CDW-EIS) approximation, and the first-order Born approximation with initial and final wavefunctions verifying correct boundary conditions (CB1). An overall excellent qualitative agreement is found between the data and the CDW-EIS models whereas the CB1 model showed substantial deviation. However, the detailed angular distributions display some discrepancies with both CDW-EIS models. The single differential and total cross-sections exhibit good agreement with the CDW-EIS models. The present detailed data set could also be used as an input for modeling highly charged ion induced radiation damage in living tissues, whose most abundant component is water. Similar measurements are also carried out for a projectile energy of 60 MeV. However, since the double differential cross-section data show similar results the details are not provided here, except for the total ionization cross-sections results.
dc.language.isoen
dc.publisherIOP Publishing
dc.title.enDouble differential distribution of electron emission in the ionization of water molecules by fast bare oxygen ions
dc.typeArticle de revue
dc.identifier.doi10.1088/0953-4075/49/6/065202
dc.subject.halPhysique [physics]
bordeaux.journalJournal of Physics B: Atomic, Molecular and Optical Physics
bordeaux.page065202
bordeaux.volume49
bordeaux.issue6
bordeaux.peerReviewedoui
hal.identifierhal-03610211
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03610211v1
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