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A. Research Papers - C. Reports - D. Work in Progrsss

Nuclear Physics

  1. Kocbach L. and Vogel P. Phys.Lett. 32B (1970) 434-36 Branching ratios for E1 transitions deexciting the octupole states in even-even nuclei.
  2. Vogel P. and Kocbach L. Nucl.Phys. A176 (1971) 33-46 Low lying negative-parity states in the vibrational nuclei.
  3. Kocbach L. Dept.Phys.Univ.Bergen,Sci/Techn Report No. 50 (1972) Negative parity states and anharmonic effects in the spectra of even-even vibrational nuclei.

    Inner Shell Ionization in Atomic Collisions

  4. Kocbach L. Dept.Phys.Univ.Bergen,Sci/Techn Report No. 58 (1973) Universal cross sections for K,L, and M shell Coulomb ionization by proton impact. A numerical guide.
  5. Karmaker R. and Kocbach L. Dept.Phys.Univ.Bergen,Sci/Techn Report No. 59 (1973) A scaling law for proton ionization cross section for different target elements.
  6. Hansteen J.M., Johnsen O.M. and Kocbach L., J.Phys.B 7 (1974) L271-74 Coulomb ionization of the L-subshells by heavy charged projectiles.
  7. Kocbach L. Physica Fennica 9, Suppl. S1 (1974) 46-48 Two contributions to the sca model of Coulomb ionization by heavy charged particles.
  8. Kocbach L. J.Phys.B: 7 (1974) L486-88 A note on the impact parameter treatment of excitation and ionization by H+ .
  9. Hansteen J.M., Johnsen O.M. and Kocbach L. Atomic Data and Nucl.Data Tables 15 (1975) 305-17 Predictions of inner shell coulomb ionization by heavy charged particles.
  10. Amundsen P.A. and Kocbach L. , J.Phys.B:8 (1975) L122-126 Electronic relativistic effects in the K-shell coulomb ionization by massive charged particles.
  11. Amundsen P.A., Kocbach L. and Hansteen J.M. J.Phys B: 9 (1976) L203-206 Approximate corrections for electronic relativistic effects in K-shell ionization of atoms by ions.
  12. Kocbach L. J.Phys.B: 9 (1976) 2269-87 The semiclassical approximation for L- and M-shell coulomb ionization by heavy charged particles.
  13. Andersen J.U., Kocbach L., Laegsgaard E., Lund M. and Moak C.D. J.Phys.B: 9 (1976) 3247-62 Angular dependence of probability for proton induced Cu K-shell ionization at large scattering angles.
  14. Kocbach L. Z.Physik. A279 (1976) 233-36 On the evaluation of SCA matrix elements for inner shell ionization by heavy charged particles.
  15. Aashamar O. and Kocbach L. Z.Physik. A279 (1976) 237-242 The K-shell ionization induced by protons: projectile scattering angle and electronic relativistic effects in the SCA calculations.
  16. Kocbach L. Physica Norvegica 8 (1976) 187-99 The influence of projectile Coulomb deflection on the process of inner shell ionization by heavy charged particles.
  17. Kocbach L. THESIS (University of Bergen 1976) Inner shell ionization by heavy chearged particles : Applications of the semiclassical approximation.
  18. Aashamar O. and Kocbach L. J.Phys.B: 10 (1977) 869-78 On the description of electronic final states in K-shell ionization by protons.
  19. Kocbach L. and Taulbjerg K. ICPEAC X, Contributed Papers, North Holland, Amsterdam (1977) 44-45 Polarization of X-rays from light ion -atom collisions.
  20. Aashamar O., Amundsen P.A. and Kocbach L. Phys.Lett. 67A (1978) 349-50 Proton induced L-shell ionization at large scattering angles.
  21. Kocbach L., Hansteen J.M. and Gundersen R. Nucl.Instr.Meth. 169 (1980) 281-91 Review of the SCA method for inner shell ionization.
  22. Kocbach L. Contribution to ISIAC VI., Tokai-mura, Japan (1979) On the alignment of ions after L- and M-shell ionization by protons. ( Extended version published as Kocbach L., Hansteen J.M. and Gundersen R. : Physica Scripta 27 (1983) 54 Alignment of atoms from L3 sub-shell ionization by heavy charged particle impact.
  23. Gundersen R., Kocbach L. and Hansteen J.M. J.Phys.B: 14 (1981) L367-70 Coulomb deflection factors for K-shell ionization by protons and deuterons.
  24. R. Gundersen, J.M. Hansteen and L. Kocbach Nucl.Instr.Meth. 192 (1982) 62-70 Coulomb deflection factors for K-shell ionization by protons and deuterons: the role of the dipole amplitudes.
  25. Graue A., Hansteen J.M., Gundersen R. and Kocbach L. J.Phys. B: 15 (1982) L445 K-shell ionisation by protons, deutrons and alpha particles at low projectile energies.
  26. Kocbach L. Nucl. Instr. Meth. B: 4 (1984) 248 On the binding effect on inner shell ionisation in asymmetric ion-atom collisions.
  27. Hansteen J.M., Kocbach L. and Graue A. Physica Scripta 31 (1985) 63-68 Total K-shell Coulomb ionisation cross sections at very low projectile energies.
  28. Bang J.M., J.M. Hansteen and L. Kocbach: J.Phys.G: Nucl.Phys. 13 (1987) L281 Anomalous positron production and its dependence on the heavy ion scattering angle.
  29. T. Papp and L. Kocbach, Journal de Phys. 48, Colloque C9 (1987) C9-243 Alignment sharing in simultaneous L- and M-shell ionization.
  30. T. Papp, L. Kocbach and J.M. Hansteen: NORDITA preprint 88/13 N (1988) The importance of multiple ionisation in the analysis of L-shell X-ray spectra induced by ion impact.
  31. J.P. Hansen and L. Kocbach: J.Phys.B:Atom.Molec.Opt.Phys. 22 (1989) L71-77 Ejection angles of fast delta electrons from K-shell ionization induced by energetic ions.
  32. J. M. Hansteen, O. K. Huseby and L. Kocbach, J.Phys.B:At.Mol. Opt.Phys. 26(1993) L607 ; K-shell ionization induced by slow proton and antiproton impact

    Electron Capture in Fast Ion-AtomCollisions

  33. Kocbach L. J.Phys.B: 13 (1980) L665-671 Impulse approximation calculations for capture of K-shell electrons by fast light nuclei.
  34. Kocbach L. in HIGH-ENERGY ION-ATOM COLLISIONS, D. Bereyi and G. Hock (eds.), ( Elsevier:Amsterdam 1982), pp. 169-186 Inner shell electron pickup by protons and other light ions. Proceedings of Int. Seminar on Ion-Atom Collisins Debrecen, Hungary, March 1981
  35. Briggs J.S., Greenland P.T. and Kocbach L. J.Phys.B: 15 (1982) 3085 Differential cross sections for high energy electron capture in the impulse approximation.
  36. Kocbach L. and Briggs J.S. J.Phys. B: 17 (1984) 3255 Theory of electron capture by fast projectiles scattered through large angles.
  37. Kocbach L. and Taulbjerg K. J. Phys. B: 18 (1985) L79-L83 On the theory of electron capture from inner shells in intermediate and high energy collisions.

    Interplay of Nuclear and Atomic Processes in Collisions and Decays

  38. Lund M., Laegsgaard E., Andersen J.U. and Kocbach L. ICPEAC X, Contributed Papers, North Holland, Amsterdam (1977) 40-41 Pb K-shell ionization in alpha decay and alpha backscattering. I. Experiment.
  39. Kocbach L.,Andersen J.U., Laegsgaard E. and Lund M. ICPEAC X, Contributed Papers, North Holland, Amsterdam (1977) 42-43 Pb K-shell ionization in alpha decay and alpha backscattering. II. Theory.
  40. Kocbach L. (1978) in Notes from Nordic Spring Symposium, Geilo ed. by J.M. Hansteen and R. Gundersen, Bergen 1978, PART II, p.65-92 K-shell ionization in alpha decay.

  41. Feagin J.M. and Kocbach L. J.Phys.B: 14 (1981) 4349-60 Inner shell excitation in central collisions of light ions with atoms: An interplay between atomic and nuclear processes.
  42. Feagin J. and Kocbach L. IEEE Transactions on Nuclear Science NS 32 (1983) 1086 Using nuclear resonance excitation to observe united atoms in symmetric ion-atom collisions
  43. Kocbach L. Proceedings of "Brasov International School on Atomic and Nuclear Heavy Ion Interactions" publ. by Central Institute of Physics, Bucharest (1984) Interplay of atomic and nuclear phenomena in collisions.

    Electron correlations and multielectron phenomena

  44. Bruch R., Kocbach L., Trabert E., Heckmann P.H. and Raith B. Nucl. Instr. and Meth. B9 (1985) 438-441 He+ (np) cross sections for 2,3,4 and 5 MeV C4+ ions colliding with He atoms.
  45. J.H. McGuire, N.C. Deb, O.L. Weaver, T. Ishihara, L. Kocbach and T. Mukoyama, Nucl. Instr. and Methods B40/41 (1989) 340 Simple correlations in Atomic Collisions

    Slow Ion-Atom Collisions: Electron Excitation and Capture.

  46. J.P. Hansen, L. Kocbach and K. Taulbjerg J.Phys.B:At.Mol.Opt.Phys. 22 (1989) 885 Partial capture cross sections and energy gain spectra in Ar 6+ He collisions.
  47. L Kocbach and J P Hansen : Physica Scripta 42, (1990) 317. Hypergrams of electronic wave functions in ion-atom collisions
  48. J P Hansen, L Kocbach, A Dubois and S E Nielsen : Phys.Rev.Lett. 64 (1990) 2491 Orientation and alignment effects for capture in multiply charged ion-atom collisions.
  49. L Kocbach : Physica Scripta T46, (1993) in print. Computer graphics based analysis and visualization of semiclassical collision theory
  50. L. Kocbach and R. Liska, J.Phys.B: At. Mol. Opt. Phys. 27 (1994) L619; Closed Form Formula for the Exchange Integrals in the Impact-parameter Treatment of Heavy-particle Collisions

    

    B. General interest papers.

  51. Hansen J.P., J.M. Hansteen, A. Hornžæ and L. Kocbach Dept. of Physics, Univ. Bergen, Sci/Techn Rep.170 (1986) Use of an algebraic expert system for evaluation physical quantities. an application to atomic collision studies.
  52. Hansteen J. M. and Kocbach L. Sci/Techn. Rep. No. 165, Fysisk Institutt, Univ. Bergen Niels Bohr and semiclassical collision physics. printed also in "Niels Bohr 100 år : Vitenskapsmann og verdensborger ", (Vitskapsteoretisk forum UiB : Bergen 1985)

    Revised version of No. 50 (1991): Hansteen J. M. and Kocbach L. Sci/Techn. Rep. 1991-3, Fysisk Institutt, Univ. Bergen Niels Bohr and semiclassical collision physics.

    C. Work presented as Reports and Notes.

  53. Kocbach L. unpublished note Low lying high spin states in Bi 212 The note has been written in 1971, trying to rise interest for possible experimental investigation. ( A suitable rare isotope target existed ).
  54. Kocbach L. and Thorsteinsen T.F. Deformerte kjerner (Deformed nuclei). This is a part of an intended large compendium on nuclear models written in 1973 (Deformed nuclei; in Norwegian )
  55. Kocbach L. Lecture note, Nordic Summer School on Atomic Collision Processes, Sandbjerg 1980 Inner shell phenomena
  56. Hansen J-P and Kocbach L. Dept. of Physics, University of Bergen Sci/Techn Rep.9 (1986) Evaluation of two-centre matrix elements for molecular and atomic collisions applicationS. Based on a part of a cand.scient. thesis of J.P.H.
  57. L. Kocbach, (1995) Dept. of Physics, University of Bergen Sci./Tech. Rep. 1 995/18 Applications of MATLAB to Problems in Quantum Mechanics in Research and Education: Dirac Notation Interpreter ( Prepared for Nordic MATLAB Conference, Stockholm, Sweden Oct. 1995 )
  58. L. Kocbach and R. Liska, (1995) Dept. of Physics, University of Bergen Sci./Te ch. Rep. 1995/19 Generation and Verification of Algorithms for Symbolic-Numeric Processing
  59. L. Kocbach and R. Liska, (1995) Dept. of Physics, University of Bergen Sci./Te ch. Rep. 1995/20 Matrix Elements of Travelling Gaussians for Applications in the Theory of Atomic Collisions

E. Work in progress available as preliminary reports.

  1. A. Nuñez, L. Kocbach and N. Elander Internal Dielectronic Excitation in Highly Charged Ions (1994-1996) Preprint, to be submitted for publication. Work related to the so called hollow atoms.



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