Library

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 1
    Electronic Resource
    Electronic Resource
    GoldL-shell ionization probability by 1 MeV proton at large scattering angles (1981)
    Springer
    The European physical journal 300 (1981), S. 31-34 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The impact parameter dependence of the ionization of GoldL-subshells has been measured and compared to theoretical values calculated in the SCA framework by Aashamar et al. [17]. Special attention has been paid to large scattering angle measurements and results are obtained for0 lab=30°, 45°, 65°, 90°, 110°, 130°, 153° and 166°. Taking into account the sum ofL α ,L β ,L γ ,L α ,L l lines we conclude firstly that the experimental ionization probabilityP(b) is in good agreement with the theoretical values. Secondly, comparing experimental and theoretical intensity of (L α +L l ) and (L γ +L β ) X-ray lines, we show that ionization ofL II andL III subshells is also fairly well described by the SCA model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01412611
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Production of projectile and targetK X-rays by single and multiple electron-capture in collisions of Si14+ and Si13+ ions with argon atoms at 4.5 and 5.5 MeV/amu (1984)
    Springer
    The European physical journal 317 (1984), S. 251-265 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Projectile and target X-ray cross-sections have been measured in collisions of bare and hydrogenlike Silicon ions with argon atoms. Projectile energies are 125 MeV and 153 MeV, i.e. the intermediate velocity region forK-shell capture. Coincidence measurements between X-ray photons and the scattered Si n+ projectiles with charge statesn-1,n-2 andn-3 have been made. The relative contribution of charge exchange and direct ionization (or excitation) of the targetK-shell has been obtained directly by this new method. DoubleK-shell electron transfer is demonstrated to be very large in the case of fully stripped Si ions. A thorough theoretical analysis of the data is carried out and multiple capture processes are evaluated using an independent electron model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01438357
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    X-ray study of the deep inelastic reactions 1,160-MeV136Xe+Pb and136Xe+232Th (1983)
    Springer
    The European physical journal 310 (1983), S. 9-17 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The spectra ofK x-rays emitted by the target-like reaction products in the deep inelastic collisions 1,160-MeV136Xe+Pb and136Xe+232Th were investigated. Target-like x-ray emission probabilities per projectile-like and per target-like product were determined and compared with theoretical predictions of atomic vacancy production in the higher-Z particle (1s }-vacancy production). It is shown that a large fraction of the x-rays is produced by internal conversion ofγ-rays in the higher-Z reaction product. Measurement of target-like x-rays in coincidence with projectile-like and with target-like reaction products allowed the determination of the average survival probability against fission and of theZ-distribution of the highly excited target-like nuclei as a function of theQ value (total kinetic energy loss). The observed average survival probabilities agree qualitatively with theoretical predictions of Wilcke et al. Nuclearreaction-time effects on the 1s σ-vacancy production in these collisions could not be demonstrated with any certainty.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01433605
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    K-Ionization probability across the 460-keV12C(p, p 0) resonance (1982)
    Springer
    The European physical journal 309 (1982), S. 93-100 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have remeasured theK-shell vacancy production probabilityP K across the 460-keV12C(p, p 0) resonance, previously investigated by Duinker et al. We are unable to confirm the large (∼70 %) variation ofP K across the resonance, found by Duinker et al. for protons elastically scattered at 125°. Our values for the ratioP K (142°)/P K (16°) are independent (within±20%) of the proton bombarding energy over the resonance region, in agreement with theoretical predictions by Blair and Anholt, Feagin and Kocbach, McVoy and Weidenmüller. Our average value for this ratio, equal to 0.88 ±0.06, agrees with the value 0.88 calculated by Amundsen and Aashamar.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01414969
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Measurement of the ionization probability of the 1s σ MO on the way into the nuclear fusion reaction58Ni+54Fe (1986)
    Springer
    The European physical journal 2 (1986), S. 161-171 
    Details
    ISSN: 1434-6079
    Keywords: 34.50.H ; 25.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The total excitation probability of the 1s σ molecular orbital on the way into the nuclear reaction58Ni+54Fe at 238 MeV has been directly measured. The result found is (3.1±0.6) 10−2. The method is based on the detection at zero degree with respect to the beam direction of the x-rays emitted in the reaction, in coincidence with the gamme rays following the deexcitation of the evaporation residues produced in the nuclear reaction. The difference in the doppler shift of the x-ray energies enables to discriminate between the internal conversion x-rays and the prompt atomic x-rays following the decay of the vacancies made in the approach of the nuclear reaction. The experimental data is compared with numerical evaluations of different mechanisms which can produce a vacancy in theK-shell of the united atom at the end of the collision. The best agreement is found with the value of the direct ionization of the 1sσ MO evaluated in the framework of the Brigg's model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429069
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...