Výsledky vyhledávání

Ionization induced by protons on isolated molecules of adenine: theory, modelling and experiment

Autor: Jocelyn Hanssen, M. A. Quinto, Y. Iriki, C. Abdallah, Omar Ariel Fojon, Akio Itoh, Roberto D. Rivarola, Ziad Francis, Christophe Champion, M E Galassi, Philippe F. Weck

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

We here report a comparison between semi-empirical and theoretical predictions in terms of differential and total cross sections for proton-induced ionization of isolated adenine molecules. Whereas the first ones are provided by existing analytical m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b228547829118ff38a3b638fb323b1a4
http://iopscience.iop.org/article/10.1088/1742-6596/488/1/012038

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Cross sections for ionization of uracil by MeV-energy-proton impact

Autor: Roberto D. Rivarola, Akio Itoh, M. Imai, Christophe Champion, Y. Iriki

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

Absolute double differential cross sections (DDCS) have been measured for the ionization of gas-phase uracil (C4H4N2O2) by 0.5, 1.0, and 2.0 MeV proton impacts. Measurements were performed by secondary electron spectroscopy using a 45∘ parallel pla

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f22ce045c06bfb319d12faa462f8f4e
http://journals.aps.org/pra/abstract/10.1103/PhysRevA.88.052711

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Proton-induced ionization of isolated uracil molecules: A theory/experiment confrontation

Autor: Sebastien Incerti, Christophe Champion, Akio Itoh, Roberto D. Rivarola, Omar Ariel Fojon, Jocelyn Hanssen, M E Galassi, Y. Iriki, Philippe F. Weck

Proton-induced ionization of RNA-uracil target is here theoretically described by two quantum-mechanical models, namely, a first perturbative one developed within the 1st Born approximation and a second one based on the continuum distorted wave appro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c84c6044807351d6ab392607f7baf01
http://hdl.handle.net/20.500.12278/120895

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Proton-impact ionization cross sections of adenine measured at 0.5 and 2.0 MeV by electron spectroscopy

Autor: Yuu Kikuchi, M. Imai, Akio Itoh, Y. Iriki

Publikováno v: Physical Review A. 84

Double-differential ionization cross sections (DDCSs) of vapor-phase adenine molecules (C{sub 5}H{sub 5}N{sub 5}) by 0.5- and 2.0-MeV proton impact have been measured by the electron spectroscopy method. Electrons ejected from adenine were analyzed b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::880059445c4e1ff396b2391539013594
https://doi.org/10.1103/physreva.84.052719

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Absolute doubly differential cross sections for ionization of adenine by 1.0-MeV protons

Autor: Yuu Kikuchi, Y. Iriki, A. Itoh, M. Imai

Publikováno v: Physical Review A. 84

Double-differential ionization cross sections of adenine (C{sub 5}H{sub 5}N{sub 5}) by 1.0-MeV protons have been measured using a vapor-phase adenine target. Ejected electrons were analyzed by a 45 deg. parallel-plate electrostatic spectrometer in an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e36a6e74ecaead22e6c5c127207eac3c
https://doi.org/10.1103/physreva.84.032704

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Positive and negative cluster ions from liquid ethanol by fast ion bombardment

Autor: Akio Itoh, Hidetsugu Tsuchida, T. Hayakawa, Y. Iriki, Masahiro Kaneda, M. Shimizu

Publikováno v: The Journal of chemical physics. 132(14)

Secondary ion mass spectra have been measured for the first time for a liquid ethanol target bombarded by 2.0 MeV He(+) ions. Positive and negative ion spectra exhibit evidently a series of cluster ions of the forms [(EtOH)(n)H](+) and [(EtOH)(n)-H](

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba191db92bf9680577ea6f089a458f0f
https://pubmed.ncbi.nlm.nih.gov/20405996

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