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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F12%3A00386076%21RIV13-GA0-68378271
rdf:type
n10:Vysledek skos:Concept
dcterms:description
We report here on the resonant generation of K α emission, that is to say the production of copious K α radiation by tuning the x-ray FEL pulse to photon energies below that of the K edge of a solid aluminum sample. The sequential absorption of multiple photons in the same atom during the 80 fs pulse, with photons creating L-shell holes and then one resonantly exciting a K-shell electron into one of these holes, opens up a channel for the Kα production, as well as the absorption of further photons.We demonstrate rich spectra of such channels, and investigate the emission produced by tuning the FEL energy to the K-L transitions of those highly charged ions that have transition energies below the K edge of the cold material. The spectra are sensitive to x-ray intensity dependent opacity effects, with ions containing L-shell holes readily reabsorbing the K α radiation. We report here on the resonant generation of K α emission, that is to say the production of copious K α radiation by tuning the x-ray FEL pulse to photon energies below that of the K edge of a solid aluminum sample. The sequential absorption of multiple photons in the same atom during the 80 fs pulse, with photons creating L-shell holes and then one resonantly exciting a K-shell electron into one of these holes, opens up a channel for the Kα production, as well as the absorption of further photons.We demonstrate rich spectra of such channels, and investigate the emission produced by tuning the FEL energy to the K-L transitions of those highly charged ions that have transition energies below the K edge of the cold material. The spectra are sensitive to x-ray intensity dependent opacity effects, with ions containing L-shell holes readily reabsorbing the K α radiation.
dcterms:title
Resonant Kα spectroscopy of solid-density aluminum plasmas Resonant Kα spectroscopy of solid-density aluminum plasmas
skos:prefLabel
Resonant Kα spectroscopy of solid-density aluminum plasmas Resonant Kα spectroscopy of solid-density aluminum plasmas
skos:notation
RIV/68378271:_____/12:00386076!RIV13-GA0-68378271
n10:predkladatel
n11:ico%3A68378271
n3:aktivita
n13:Z n13:P
n3:aktivity
P(ED1.1.00/02.0061), P(EE.2.3.20.0087), P(EE2.3.30.0057), P(GAP108/11/1312), P(GAP205/11/0571), P(GAP208/10/2302), P(LA08024), P(ME10046), Z(AV0Z10100523)
n3:cisloPeriodika
24
n3:dodaniDat
n9:2013
n3:domaciTvurceVysledku
n6:6173047 n6:9517421 n6:3274713 n6:8434050 n6:2712679
n3:druhVysledku
n19:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
165241
n3:idVysledku
RIV/68378271:_____/12:00386076
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Kα spectroscopy; free-electron lasers; solid-density aluminum plasmas
n3:klicoveSlovo
n4:free-electron%20lasers n4:solid-density%20aluminum%20plasmas n4:K%CE%B1%20spectroscopy
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[626B2D389A86]
n3:nazevZdroje
Physical Review Letters
n3:obor
n15:BH
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
33
n3:projekt
n7:EE2.3.30.0057 n7:GAP208%2F10%2F2302 n7:ME10046 n7:GAP205%2F11%2F0571 n7:GAP108%2F11%2F1312 n7:EE.2.3.20.0087 n7:ED1.1.00%2F02.0061 n7:LA08024
n3:rokUplatneniVysledku
n9:2012
n3:svazekPeriodika
109
n3:tvurceVysledku
Falcone, R. W. Brown, C.R.D. Wu, B. Lee, R. W. Wark, J. S. Wang, T. Chung, H.-K. Nagler, B. Engelhorn, K. Higginbotham, A. Ping, Y. Chalupský, Jaromír Krzywinski, J. Hájková, Věra Cho, B. I. Murphy, C. Juha, Libor Zhu, D. Zastrau, U. Vinko, S. M. Scherz, A. Graves, C. Rackstraw, D. S. Ciricosta, O. Toleikis, S. Messersmidt, M. Vyšín, Luděk Lee, H. J. Burian, Tomáš Heimann, P. A. Turner, J. J. Schlotter, W. Rohringer, N.
n3:wos
000312068300021
n3:zamer
n16:AV0Z10100523
s:issn
0031-9007
s:numberOfPages
6
n18:doi
10.1103/PhysRevLett.109.245003