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  • 1
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    Intercomparison of 10Be measurements by decay and Accelerator mass spectrometry (AMS) techniques for layers inside ferromanganese crusts of the Pacific Ocean (ANTP-058D and ARIES-039D) (1983)
    PANGAEA
    In:  Supplement to: Sharma, P; Somayajulu, Bammidipati L K; Lal, D; Wolfli, Willy; Bonani, Georges; Stoller, Ch; Suter, Martin; Beer, Jürg (1983): Particle accelerator measurements of10Be in marine accumulations: Intercomparison with beta counting method. Journal of Earth System Science, 92(1), 1-4, https://doi.org/10.1007/BF02936458
    Details
    Publication Date: 2023-08-28
    Description: Cosmogenic beryllium-10 activities have been measured in marine accumulations of up to about 6 m.y age by conventional beta counting technique and by accelerator mass spectrometry. The two sets of data at 10Be levels of 109-1010 atoms/g agree within the absolute errors of the two methods. The detection limit for 10Be by the accelerator mass spectrometry is about five orders of magnitude lower than that with the beta counting method.
    Keywords: Alpha spectrometry; ANTIPODE; ANTP04MV-058D; ANTP-058D; ARIES; ARIES-039D; Beryllium-10; Beryllium-10, decay-corrected; Beryllium-10, decay-corrected, standard deviation; Beryllium-10, standard deviation; Beryllium-10/Beryllium-9; Beryllium-10/Beryllium-9, standard deviation; Counting, foraminifera, planktic; Deposit type; DEPTH, sediment/rock; Description; DISTANCE; Distance, maximum; Distance, minimum; Dredge; DRG; Event label; Identification; Melville; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; Thomas Washington; Western Pacific Ocean
    Type: Dataset
    Format: text/tab-separated-values, 49 data points
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    DATA PANGAEA
  • 2
    Electronic Resource
    Electronic Resource
    Long-term effects of negative pions in female mice exposed to whole-body irradiation (1979)
    Springer
    Radiation and environmental biophysics 16 (1979), S. 295-298 
    Details
    ISSN: 1432-2099
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Summary Long-term effects, especially the incidence of tumors, of whole-body exposure of female NMRI mice with either negative pions (peak or plateau region) or X rays have been studied in comparison to controls. Animals were irradiated at the age of 10 days after birth. The mice were then regularly examined for deaths and signs of severe disease, moribund animals being killed. A detailed histopathological work-up has been performed. The data show that the survival as defined by death or the time of autopsy is significantly lower in irradiated mice in comparison to controls, that there is no difference in reduction of survival between groups treated either with X rays or pions at peak region, but that a difference can be seen when comparing X rays with pions at plateau region. The incidence of ovarian tumors at any particular age is higher in mice treated with X rays or pions than in control groups, but significantly lower in animals exposed to plateau pions than in those treated with peak pions or X rays.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01358293
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  • 3
    Electronic Resource
    Electronic Resource
    Impact parameter dependence ofL- andK-shell excitation in I-Ag collisions (1983)
    Springer
    The European physical journal 311 (1983), S. 7-17 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The impact parameter dependence of theL- andK-vacancy production of target and projectile was measured in I-Ag collisions at 40 MeV and 63 MeV in a X-ray particle coincidence experiment. A largeL-vacancy production is found for impact parametersb smaller than theL-shell radius with a pronounced increase forb〈250fm. TheL-shell excitation is discussed in terms of 4fσ excitation and vacancy transfer in the 3pσ, 3dπ, 3dσ molecular orbitals through 3pπ-3pσ and 3dδ-3dπ-3dσ rotational-couplings. The 2pσ excitation probability is obtained from the summedK-vacancy production probability, and compared with the prediction of 2pσ excitation in a multiple collision process. The latter is determined by folding the measured IL-shell excitation probability with the impact parameter dependence of the 2pπ-2pσ rotational coupling. The discrepancy observed at small impact parameters suggests an enhanced 2pπ and 2pσ excitation at small impact parameters in a one-collision process. TheL- andK-vacancy sharing probabilities are found to be impact parameter independent over a large impact parameter range.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01411601
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  • 4
    Electronic Resource
    Electronic Resource
    The anisotropy of the MO-2pσ-radiation observed in symmetric heavy ion collisions (1978)
    Springer
    The European physical journal 287 (1978), S. 33-36 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The anisotropies of the MO-2pσ-radiation have been measured for five symmetric systems with a united atom numberZ u between 52 and 94 at beam energies in the range from 7 up to 66 MeV. A comparison with the available theoretical data suggests that the anisotropic part of the 2pσ-radiation is mainly due to transitions from near continuum initial states into the minimum of the molecular 2pσ-orbital.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408357
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  • 5
    Electronic Resource
    Electronic Resource
    Azimuthal angle dependence of molecular orbital K X-rays in heavy ion collisions (1981)
    Springer
    The European physical journal 300 (1981), S. 105-106 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The dependence of molecular X-ray emission on the azimuthal angle in heavy ion collisions has been measured as a function of the impact parameter in the collision systems F-Al and Cl-Cl at projectile energies of 20 and 48 MeV respectively. The values of the observed azimuthal anisotropies agree with dynamical calculations of molecular orbital X-ray emission, but they are at variance with predictions of the kinematic dipole model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01412622
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  • 6
    Electronic Resource
    Electronic Resource
    Molecular-orbital X-rays and their anisotropies in heavy-ion collisions in solids and gases (1981)
    Springer
    The European physical journal 302 (1981), S. 95-102 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Molecular-orbital spectra and anisotropies were measured in Cl+NaCl, Cl+KCl, Cl +Ti, and Cl+Ar collisions at bombarding energies between 0.5 and 2.6MeV/a.m.u. The results suggest that at low bombarding energies MO x-rays in the KCl and NaCl targets are partly produced by a two-collision process. Qualitative differences between the anisotropies of gas- and solid-target induced MO x-ray spectra underline this result. Also, new information on the bombarding-energy dependency of anisotropies at higher projectile velocities has been obtained, confirming previous observations in low-Z systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01413037
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  • 7
    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
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  • 8
    Electronic Resource
    Electronic Resource
    Evidence for a molecular REC-effect in heavy ion collisions (1978)
    Springer
    The European physical journal 286 (1978), S. 249-252 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Anisotropy spectra of the MOK X-ray transitions have been measured in F-Al, Al-Al and Cl-Al collisions as a function of the projectile energy. The measurements at higher energies indicate a new molecular effect due to transitions from quasicontinuum states to the MO 1s σ-orbitals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01408253
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  • 9
    Electronic Resource
    Electronic Resource
    Impact-parameter dependence of 1 sσ vacancy production in 4.6-MeV/a.m.u. Xe + Pb collisions (1979)
    Springer
    The European physical journal 291 (1979), S. 287-288 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The probability of forming 1sσ vacancies in collisions with impact parameters b ≲ 60 fm was measured using the x-ray-scattered-particle-coincidence method. The probability falls off monotonically with b, in qualitative agreement with calculations of Soff et al.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01409197
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  • 10
    Electronic Resource
    Electronic Resource
    MO X-ray angular distributions from 1 GeV208Pb+208Pb and209Bi+209Bi collisions (1980)
    Springer
    The European physical journal 297 (1980), S. 93-99 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Doppler shift and the anisotropy of the MO X-rays above the separated-atomK-lines have been measured in208Pb+208Pb and209Bi+209Bi collisions at beam energies between 4.2 and 4.8 MeV/u. The Doppler shift is found to be consistent with a source moving with 90% of the center of mass velocity of the colliding system. One peak is observed in the anisotropy spectrum. This peak might be attributed to transitions from the continuum into the minimum of the 2p 1/2 σ MO or from the 3p 1/2 σ and 2p 3/2 σ MO's into the 2 sσ MO near the united atom limit. Radiative electron capture and secondary electron bremsstrahlung could be excluded as major sources of the observed radiation. Contrary to lighter systems no anisotropy corresponding to transitions into the 1 sσ orbital could be observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01421464
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