SVIBOR - Project code: 1-03-098

MINISTRY OF SCIENCE AND TECHNOLOGY

Strossmayerov trg 4, HR - 10000 ZAGREB
tel.: +385 1 459 44 44, fax: +385 1 459 44 69
E-mail: ured@znanost.hr

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Project code: 1-03-098


Relativistic Effects in Atomic and Nuclear Decays


Main researcher: ILAKOVAC, KSENOFONT (16961)


Assistants
Type of research: basic
Duration from: 01/01/91. to 12/31/95.
Papers on project (total): 23
Papers on project quoted in Current Contents: 12
Institution name: Prirodoslovno-matematički fakultet, Prirodoslovni odjeli, Zagreb (119)
Department/Institute: Physics Department
Address: Bijenička 32
City: 10000 - Zagreb, Croatia
Communication
Phone: 385 (0)41 432 460
Phone: 385 (0)41 432 480
Fax: 385 (0)41 432 525
E-mail: ilakovac@dominis.phy.hr.
Summary: Experimental investigations of atomic and nuclear decays by the emission of two quanta (photons or electrons) : a) hypersatellites and satellites - transitions in atoms with two vacancies in the K shell b) double-photon (XX) transitions in atoms with a vacancy in the K shell c) internal Compton effect and other electron-gamma decays d) gamma-gamma decays of nuclear states e) internal bremsstrahlung during electron capture decay f) teoretical calculations of these processes g) K-shell ionizations and K plus L-shell ionizations of intermediate-Z-elements, multiple ionization of atoms h) dissociation of multicharged molecular ions

Keywords: X rays, hypersatellites and satellites, inner atomic vacancies, double-photon (XX) decay, resonance effects, differential transition probabilities, internal Compton effect, electron-gamma decay, gamma-gamma decay, internal bremsstrahlung, relativistic effects, K-shell and L-shell ionization, multiple ionization, dissociation of multicharged molecular ions

Research goals: a) hypersatellite and satellite transitions : energy shifts, relative intensities for electron inner-shell transitons b) XX decays : differential and integral transition probabilities of 2s-1s, 3s-1s, 3d-1s, and 4sd-1s double-photon transitions c) double electron-gamma nuclear decays : internal Compton effect d) search for nuclear gamma-gamma decays e) differential probabilities of internal bremsstrahlung f) teoretical calculations of these processes g) K-shell and K plus L-shell ionizations of atoms: differential cross sections , relative intensities of Kx rays from K-shell and double K-shell ionization h) dissociation of multicharged CO molekular ions: total-kinetic-energy distributions, dissociation fractions and branching ratios

COOPERATION - INSTITUTIONS


  1. Name of institution: Institut "R.Bošković"
    Type of institution: University/Faculty
    City: 10000 - Zagreb, Croatia

  2. Name of institution: Fakultet elektrotehnike, strojarstva i brodogradnje
    Type of institution: Economical/Production
    City: 21000 - Split, Croatia

  3. Name of institution: Cyclotron Institute and Department of Chemistry, Texas A&M University
    Type of institution: Economical/Production
    City: 77843 - College Station (USA), Texas, USA
Other information about the project.
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