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Volumn 68, Issue 3, 2003, Pages

Three-body momentum exchange in singly ionizing 2-MeV/u C6+-helium collisions

Author keywords

[No Author keywords available]

Indexed keywords

APPROXIMATION THEORY; ELECTRON EMISSION; ELECTRON SPECTROSCOPY; HELIUM; HIGH ENERGY PHYSICS; ION EXCHANGE; MAGNETIC FIELD EFFECTS; PHOTONS;

EID: 0242526113     PISSN: 10502947     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (13)

References (36)
  • 3
    • 0242713622 scopus 로고    scopus 로고
    • note
    • p are the electron and target nucleus masses, respectively) and is not considered here since it would result in negligible cross sections.
  • 4
    • 85088489584 scopus 로고    scopus 로고
    • note
    • 6+ + He) were considered in Ref. [5] where energy and angular distributions of emission from helium were explored. The present study could, to some extent, be viewed as complementary to those performed in Ref. [5].
  • 16
    • 0242461063 scopus 로고    scopus 로고
    • note
    • Note that very recently a generalization of the CDW-EIS, GCDW-EIS, was proposed in Ref. [15].
  • 20
    • 0242713620 scopus 로고    scopus 로고
    • note
    • One should mention that in cases we have tested, both the hydrogenlike approximation and the Hartree-Fock description, being used to model the helium ground state, yielded rather similar results.
  • 23
    • 0242713621 scopus 로고    scopus 로고
    • note
    • A more sophisticated way to treat the (free) helium target within the one-active-electron approximation would be to apply the Hartree-Fock description for both initial and final states of the active electron [20]. However, when the n-n interaction is taken into account, CDW-EIS calculations for projectile and target recoil distributions become very time consuming and at the moment are not feasible for us. Yet, this does not seem to be crucial for the present study since, as was discussed in Refs. [21,22], the changes in singly differential cross sections, introduced by the "full" Hartree-Fock description, are not expected to be very substantial for the case of rather a high collision velocity of 9 a. u.
  • 27
    • 0242461062 scopus 로고    scopus 로고
    • note
    • The "hydrogenlike" result is finally multiplied by a factor of 2 in order to account for two electrons in helium.
  • 32
    • 0242629499 scopus 로고    scopus 로고
    • note
    • Note that in Ref. [29] it was pointed out that already the first Born approximation predicts the angular distribution of the emitted electrons to be asymmetric.
  • 36
    • 0242629500 scopus 로고    scopus 로고
    • note
    • One should mention that the details of the electron angular distribution could be sensitive to the form of the interaction between the active electron and the target core [29].


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.