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Probing nucleobase ...
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McFarland, B. K.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
Probing nucleobase photoprotection with soft x-rays
- Article/chapterEnglish2013
Publisher, publication year, extent ...
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2013-03-13
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EDP Sciences,2013
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:uu-280024
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-280024URI
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https://doi.org/10.1051/epjconf/20134107004DOI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:ref swepub-contenttype
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Subject category:kon swepub-publicationtype
Notes
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Nucleobases absorb strongly in the ultraviolet region, leading to molecular excitation into reactive states. The molecules avoid the photoreactions by funnelling the electronic energy into less reactive states on an ultrafast timescale via non-Born-Oppenheimer dynamics. Current theory on the nucleobase thymine discusses two conflicting pathways for the photoprotective dynamics. We present our first results of our free electron laser based UV-pump soft x-ray-probe study of the photoprotection mechanism of thymine. We use the high spatial sensitivity of the Auger electrons emitted after the soft x-ray pulse induced core ionization. Our transient spetra show two timescales on the order of 200 fs and 5 ps, in agreement with previous (all UV) ultrafast experiments. The timescales appear at different Auger kinetic energies which will help us to decipher the molecular dynamics.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Farrell, J. P.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Berrah, N.
(author)
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Bostedt, C.
(author)
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Bozek, J.
(author)
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Bucksbaum, P. H.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Coffee, R.
(author)
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Cryan, J.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Fang, L.
(author)
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Feifel, RaimundUppsala universitet,Molekyl- och kondenserade materiens fysik(Swepub:uu)rfe32143
(author)
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Gaffney, K.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Glownia, J.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Martinez, T.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Mucke, MelanieUppsala universitet,Molekyl- och kondenserade materiens fysik(Swepub:uu)melmu186
(author)
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Murphy, B.
(author)
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Miyabe, S.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Natan, A.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Osipov, T.
(author)
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Petrovic, V.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Schorb, S.
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Schultz, Th.
(author)
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Spector, L.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Tarantelli, F.
(author)
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Tenney, I.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Wang, S.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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White, W.
(author)
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White, J.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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Guehr, M.SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.
(author)
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SLAC Natl Accelerator Lab, PULSE, Menlo Pk, CA 94025 USA.Molekyl- och kondenserade materiens fysik
(creator_code:org_t)
Related titles
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In:XVIIITH INTERNATIONAL CONFERENCE ON ULTRAFAST PHENOMENA: EDP Sciences, s. 07004-9782759809561
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- By the author/editor
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McFarland, B. K.
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Farrell, J. P.
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Berrah, N.
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Bostedt, C.
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Bozek, J.
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Bucksbaum, P. H.
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show more...
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Coffee, R.
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Cryan, J.
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Fang, L.
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Feifel, Raimund
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Gaffney, K.
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Glownia, J.
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Martinez, T.
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Mucke, Melanie
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Murphy, B.
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Miyabe, S.
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Natan, A.
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Osipov, T.
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Petrovic, V.
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Schorb, S.
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Schultz, Th.
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Spector, L.
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Tarantelli, F.
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Tenney, I.
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Wang, S.
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White, W.
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White, J.
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Guehr, M.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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XVIIITH INTERNAT ...
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Uppsala University