All Stories

  1. Appearance Energies of Fluorinated and Fluorine‐Free Fragment‐Ion Series Formed by Electron Ionization of 2‐Fluoropyridine

    Article • Rapid Communications in Mass Spectrometry, October 2026, Wiley

    Tomasz J Wasowicz

  2. Angle- and energy-resolved electron energy-loss spectroscopy of singlet and triplet valence and Rydberg states in 3,4-dihydro-2 H -pyran: experiment and theory

    Article • Physical Chemistry Chemical Physics, January 2026, Royal Society of Chemistry

    Tomasz J Wasowicz

  3. Furan Dissociation Induced by Collisions with H3+ and C+ Ions

    Article • Molecules, June 2025, MDPI AG

    Tomasz J Wasowicz

  4. Why is it important to study the fragmentation of heterocyclic compounds?

    Article • The Journal of Chemical Physics, August 2024, American Institute of Physics

    Tomasz J Wasowicz, Ivan Ljubic

  5. Collisions of furan and trihydrogen cations studied by collision-induced emission spectroscopy

    Article • January 2024, RAD Association

    Tomasz J Wasowicz

  6. High-resolution X-ray photoelectron spectra of isoxazole and oxazole

    Article • January 2024, RAD Association

    Tomasz J Wasowicz

  7. Electron-induced dissociative ionization of the pyridine molecules

    Article • January 2023, RAD Association

    Tomasz J Wasowicz

  8. The overabundance of excited hydrogen atoms produced in the H2++ furan reaction

    Article • January 2023, RAD Association

    Tomasz J Wasowicz

  9. Two-body dissociation of isoxazole following double photoionization – an experimental PEPIPICO and theoretical DFT and MP2 study

    Article • Physical Chemistry Chemical Physics, January 2023, Royal Society of Chemistry

    Tomasz J Wasowicz

  10. Cation-induced isomerization of furan molecule

    Article • January 2022, RAD Association

    Tomasz J Wasowicz

  11. Core–shell excitation of isoxazole at the C, N, and O K-edges – an experimental NEXAFS and theoretical TD-DFT study

    Article • Physical Chemistry Chemical Physics, January 2022, Royal Society of Chemistry

    Tomasz J Wasowicz

  12. ThreSpect – a computer program for the threshold energy determination

    Article • January 2022, RAD Association

    Tomasz J Wasowicz

  13. Neutral Dissociation of Pyridine Evoked by Irradiation of Ionized Atomic and Molecular Hydrogen Beams

    Article • International Journal of Molecular Sciences, December 2021, MDPI AG

    Tomasz J Wasowicz

  14. Optical Spectroscopic Studies of Tetrahydrofuran Fragmentation Induced by Collisions with Dihydrogen Cations

    Article • Acta Physica Polonica A, September 2021, Institute of Physics, Polish Academy of Sciences

    Tomasz J Wasowicz

  15. Soft X-ray Induced Production of Neutral Fragments in High-Rydberg States at the O 1s Ionization Threshold of the Water Molecule

    Article • The Journal of Physical Chemistry A, January 2021, American Chemical Society (ACS)

    Tomasz J Wasowicz

  16. A competition between two- and three-body dissociation channels in photo-double-ionization of tetrahydro-2H-pyran and 3,4-dihydro-2H-pyran molecules

    Article • January 2021, RAD Association

    Tomasz J Wasowicz

  17. Ionization and fragmentation of the six-membered heterocycles containing oxygen – Comparative studies of electron and photon impact on the 3,4-dihydro-2H-pyran molecules

    Article • January 2021, RAD Association

    Tomasz J Wasowicz

  18. Collision-induced luminescence spectra of pyridine bombarded by 1000 eV He+ cations

    Article • Results in Physics, September 2020, Elsevier

    Tomasz J Wasowicz

  19. Vacuum ultraviolet photoionization and ionic fragmentation of the isoxazole molecules

    Article • International Journal of Mass Spectrometry, March 2020, Elsevier

    Tomasz J Wasowicz

  20. Charge Transfer, Complexes Formation and Furan Fragmentation Induced by Collisions with Low-Energy Helium Cations

    Article • International Journal of Molecular Sciences, November 2019, MDPI AG

    Tomasz J Wasowicz

  21. Study of ultraviolet-visible fluorescence emission following resonant Auger decay of the 2 p -1 nl core-excited states of argon atoms

    Article • Journal of Electron Spectroscopy and Related Phenomena, July 2018, Elsevier

    Tomasz J Wasowicz

  22. Elimination and migration of hydrogen in the vacuum-ultraviolet photodissociation of pyridine molecules

    Article • Journal of Physics B Atomic Molecular and Optical Physics, December 2016, Institute of Physics Publishing

    Tomasz J Wasowicz

  23. Interactions of protons with furan molecules studied by collision-induced emission spectroscopy at the incident energy range of 50–1000 eV

    Article • Zeitschrift für Physik D, August 2016, Springer Science + Business Media

    Tomasz J Wasowicz

  24. Yields and Time-of-Flight Spectra of Neutral High-Rydberg Fragments at the K Edges of the CO2 Molecule

    Article • The Journal of Physical Chemistry A, June 2016, American Chemical Society (ACS)

    Tomasz J Wasowicz

  25. Observation of the Hydrogen Migration in the Cation-Induced Fragmentation of the Pyridine Molecules

    Article • The Journal of Physical Chemistry A, February 2016, American Chemical Society (ACS)

    Tomasz J Wasowicz

  26. Charge transfer and formation of complexes in the He+ collisions with the furan molecules

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    Tomasz J Wasowicz

  27. Hydrogen migration in photodissociation of the pyridine molecules

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    Tomasz J Wasowicz

  28. Hydrogen migration observed in fragmentation of the pyridine molecules in collisions with the H+, H2+, He+and He++cations

    Article • Journal of Physics Conference Series, September 2015, Institute of Physics Publishing

    Tomasz J Wasowicz

  29. Fragmentation of Tetrahydrofuran Molecules by H+, C+, and O+ Collisions at the Incident Energy Range of 25–1000 eV

    Article • The Journal of Physical Chemistry A, January 2015, American Chemical Society (ACS)

    Tomasz J Wasowicz

  30. Hydrogen migration in formation of NH(A3Π) radicals via superexcited states in photodissociation of isoxazole molecules

    Article • The Journal of Chemical Physics, August 2014, American Institute of Physics

    Tomasz J Wasowicz

  31. Formation of CN (B2Σ+) radicals in the vacuum-ultraviolet photodissociation of pyridine and pyrimidine molecules

    Article • Journal of Physics B Atomic Molecular and Optical Physics, February 2014, Institute of Physics Publishing

    Tomasz J Wasowicz

  32. Superexcited states in the vacuum-ultraviolet photofragmentation of isoxazole molecules

    Article • Journal of Physics B Atomic Molecular and Optical Physics, September 2012, Institute of Physics Publishing

    Tomasz J Wasowicz

  33. Stark effect of atomic Helium singlet lines

    Article • Journal of the Optical Society of America B, April 2012, Optical Society of America (OSA)

    Tomasz J Wasowicz, Professor Ryszard Drozdowski

  34. Electron impact fragmentation of pyrrole molecules studied by fluorescence emission spectroscopy

    Article • Photonics Letters of Poland, September 2011, Photonics Society of Poland

    Tomasz J Wasowicz

  35. O 1s excitation and ionization processes in the CO2molecule studied via detection of low-energy fluorescence emission

    Article • Journal of Physics B Atomic Molecular and Optical Physics, July 2011, Institute of Physics Publishing

    Tomasz J Wasowicz

  36. Photofragmentation of tetrahydrofuran molecules in the vacuum-ultraviolet region via superexcited states studied by fluorescence spectroscopy

    Article • Physical Review A, March 2011, American Physical Society (APS)

    Tomasz J Wasowicz

  37. Isotope shifts of multipole lines of Pb I and Pb II

    Article • Journal of the Optical Society of America B, November 2010, Optical Society of America (OSA)

    Professor Ryszard Drozdowski, Tomasz J Wasowicz

  38. Fragmentation of isoxazole molecules by electron impact in the energy range 10–85eV

    Article • Chemical Physics Letters, September 2010, Elsevier

    Tomasz J Wasowicz

  39. Electronic and nuclear properties from the analysis of the isotope shifts in the spectral lines of lead

    Article • Zeitschrift für Physik D, May 2009, Springer Science + Business Media

    Tomasz J Wasowicz

  40. Stark effect of atomic helium second triplet series in electric fields up to 1600 kV cm−1

    Article • Physica Scripta, December 2008, Institute of Physics Publishing

    Tomasz J Wasowicz, Professor Ryszard Drozdowski

  41. Isotope shifts in the spectrum of Pb I

    Article • Physica Scripta, January 2008, Institute of Physics Publishing

    Tomasz J Wasowicz

  42. The E2 admixtures in mixed forbidden lines of Bi I and Pb I

    Article • Physica Scripta, August 2007, Institute of Physics Publishing

    Tomasz J Wasowicz

  43. Hyperfine structure and isotope shifts in 733.2 nm mixed forbidden line of Pb I

    Article • The European Physical Journal Special Topics, May 2007, Springer Science + Business Media

    Tomasz J Wasowicz, Professor Ryszard Drozdowski

  44. Preface

    Article • The European Physical Journal Special Topics, May 2007, Springer Science + Business Media

    Tomasz J Wasowicz

  45. Hyperfine structure and isotope shift study in singly ionized lead

    Article • Zeitschrift für Physik D, August 2005, Springer Science + Business Media

    Tomasz J Wasowicz, Professor Ryszard Drozdowski

  46. Investigation of hyperfine structure of several major lines in PbI and PbII

    Article • June 2005, SPIE

    Professor Ryszard Drozdowski, Tomasz J Wasowicz

  47. Anticrossing effects in Stark spectra of helium

    Article • June 2005, SPIE

    Professor Ryszard Drozdowski, Tomasz J Wasowicz

  48. Isotope shift study in two visible lines: 500.6 nm and 520.3 nm of Pb I

    Article • June 2005, SPIE

    Tomasz J Wasowicz

  49. Hyperfine Structure Study of Several Lines of207Pb I – Part II

    Article • Physica Scripta, January 2005, Institute of Physics Publishing

    Tomasz J Wasowicz, Professor Ryszard Drozdowski

  50. Hyperfine Structure Study of Several Lines of207Pb I

    Article • Physica Scripta, January 2005, Institute of Physics Publishing

    Tomasz J Wasowicz, Professor Ryszard Drozdowski