Publications

1. K. Blagoev, Opt. Spektrosk (40) 622 (1976)

2. K. Blagoev, V. Komarovskii, N. Penkin, Oscillator strengths of the spectral lines of atomic thulium, Opt. Spectrosc.(USSR)(Engl. Transl.);(United States) 40 (4) (1976)

3. K. Blagoev, V. Komarovskii, Relative oscillator strengths of the spectral lines of atomic samarium, Optics and Spectroscopy, 42 (2) 229-230 (1977)

4. K. Blagoev, V. Kamarovskii, Relative oscillator strengths of the atomic lines of erbium, Optics and Spectroscopy 42 (3), 340-341 (1977)

5. K. Blagoev, V. Komarovskii, N. Penkin, Radiative lifetimes of Yb I Yb II excited states, Optics and Spectroscopy, 45 (5) 832-833 (1978)

6. K. Blagoev, A. Valter, V. Komarovskii, Relative oscillator strengths of the spectral lines of holmium, Optics and Spectroscopy, 45 (6) 932-933 (1978)

7. K. Blagoev, Radiative lifetimes of excited Kr II states, Journal of Physics B: Atomic and Molecular Physics, 14 (24) 4743-4746 (1981)

8. K. Blagoev, Radiative lifetimes of excited Ar II states, Journal of Physics B: Atomic and Molecular Physics, 16 (1) 33-37 (1983)

9. K. Blagoev, N. Dimitrov, Radiative lifetimes of some 5d96snl states of Hg II, Physics Letters A, 106 (5-6) 249-251 (1984)

10. K. Blagoev, N. Dimitrov, M. Drenska, Radiative lifetimes of some excited Xe II states, Journal of Physics B: Atomic and Molecular Physics, 17 (11) 2189-2195 (1984)

11. K. Blagoev, N. Dimitrov, Radiative lifetimes of some excited states of Hg+ and Hg2+, Physics Letters A, 117 (4) 185-188 (1986)

12. K. Blagoev, K. Stankova, Radiative lifetimes of some states of NeII, Journal of Quantitative Spectroscopy and Radiative Transfer, 35 (6) 483-486 (1986)

13. K. Blagoev, S. Kasyanenko, Y. Tolmachov, Inelastic collisions of He atoms (21P, 21S) with alkali metal atoms at thermal energies, Physica B+ C, 141 (2) 237-242 (1986)

14. K. Blagoev, N. Dimitrov, Electron impact cross sections of some spectral lines and excited states of Hg+ and Hg2+, Physics Letters A, 118 (5) 232-236 (1986)

15. K. Blagoev, P. Bogdanovich, N. Dimitrov, A. Momkauskaite, Radiative lifetimes of 5 d 10 nl states of Hg+, Physical Review A, 37 (12) 4679 (1988)

16. A. Devdariani, A. Zagrebin, K. Blagoev, Interactions of noble gas atoms. Processes due to elastic scattering, Annales de Physique, 14 (5) 467-604 (1989)

17. K. Blagoev, Y. Piotrovskii, K. Stankova, Y. Tolmachev, Resonance excitation of Ar ii lines in a helium-argon plasma, Optics and Spectroscopy 66 (6), 726-728 (1989)

18. E. Alipieva, K. Blagoev, N. Dimitrov, On the two-electron transitions in spectra of Cu+, Ag+, Cd2+ and Hg2+, ?, 66 (6) 1212-1214 (1989)

19. K. Blagoev, N. Dimitrov, A. Benhalla, P. Bogdanovich, A. Momkauskaite, Two-electron transitions between nd8(n + 1)s2 and nd9(n + 1)p configurations in the spectra of Cu+, Ag+, Au+ Zn2+, Cd2+, Hg2+, Physica Scripta, 41 (2) 213-216 (1990)

20. A. Devdariani, A. Zagrebin, K. Blagoev, Excitation transfer and intermultiplet transitions in collisions of He and Ne atoms at thermal energies, Annales de physique, 17 (5) 365-470 (1992)

21. K. Blagoev, M. Burshtein, S. Yurgenson, Electron excitation cross section and lifetime of Cd2 + 4d95p3F3 level, Optics and spectroscopy, 75 (3) 311-312 (1993)

22. K. Blagoev, V. Komarovskii, Lifetimes of levels of neutral and singly ionized lanthanide atoms, Atomic Data and Nuclear Data Tables, 56 (1) 1-40 (1994)

23. K Blagoev, A Benhala, N Dimitrov, K Stankova, Y Stoyanova, Radiative Lifetimes of Some 5d10n2F and 5d10n2P Levels of Hg+, Spectroscopy letters 27 (8), 1017-1022 (1994)

24. K. Blagoev, A. Benhalla, N. Dimitrov, Lande g-Factors of 7d1D2 and 8d1D2 States of Mercury, Spectroscopy letters, 29 (6) 1021-1024 (1996)

25. K Blagoev, Ultraviolet laser action on nd8 (n+ 1) s2-nd9 (n+ 1) p transitions of ZnIII and CdIII, Ninth International School on Quantum Electronics: Lasers-Physics and Applications (3052) 141-146 (1996)

26. K. Blagoev, G. Popov, E. Dimova, Laser action of nd8(n + 1)s2 -nd9(n + 1)p transitions in HgIII, Cull and AgII, Applied Physics B, 63 (4) 349-354 (1996)

27. K. Blagoev, D. Gruber, A. Dreischuh, A. Morozov, U. Reiter-Domiaty, Time behaviour of Hg 7 3S and 6 3P1 state population after narrow band laser excitation of 6 3P1 state, Laser Physics and Applications (1996) 59-59

28. D. Gruber, K. Blagoev, U. Domiaty, L. Windholz, A. Morozov, Life Time Measurements of High Lying Hg States by Resonant Two-Photon Excitation, Verhandl. DPG (IV) 31, 584-584 (1996)

29. K. Blagoev, J. Engelbrecht, K. Bedell, S-wave superconductivity in weak ferromagnetic metals, Philosophical magazine letters, 78 (2) 169-176 (1998)

30. K. Blagoev, K. Iskra, L. Windholz, Radiative Lifetimes of nd 3D2 Excited States of Hg I, Physica Scripta, 60 (1) 32-35 (1998)

31. K. Blagoev, R. Roussev, A. Morozov, K. Iskra, L. Windholz, Radiative lifetimes of 7d, 8d 1D2 excited states of Hg I, The European Physical Journal D-Atomic, Molecular, Optical and Plasma Physics, 13 (2) 159-163 (2001)

32. V. Vujnovic, K. Blagoev, C. Fьrbцck, T. Neger, H. Jдger, Absolute transition probabilities of Al I and Al II spectral lines and intensity ratios within multiplets, Astronomy & astrophysics, 388 (2) 704-711 (2002)

33. K. Blagoev, V. Pentchev, E. Biйmont, Z. Zhang, C. Wahlstrцm, Radiative lifetimes of 6 s n s 3 S 1 and 6 s n d 3 D 1 excited states of Hg I, Physical Review A, 66 (3) 032509 (2002)

34. HL. Xu, A. Persson, S. Svanberg, K. Blagoev, G. Malcheva, V. Pentchev, Radiative lifetime and transition probabilities in Cd I and Cd II, Physical Review A, Atomic, Molecular, and Optical Physics 70 (4) 042508 (2004)

35. K. Blagoev, G. Malcheva, V. Penchev, E. Biйmont, HL. Xu, A. Persson, Radiative lifetimes of Zn I, II excited states, Physica Scripta, 69 (6) 433-440 (2004)

36. E. Dimova, G. Petrov, K. Blagoev, Quenching of 4He and 3He excited states by collisions with N2, Vacuum, 76 (2-3) 405-408 (2004)

37. K. Blagoev, E. Dimova, G. Petrov, Quenching of 4He (21S, 21P) and 3He (21S, 21P) states by collisions with Ne (1S0) atoms, Journal of Quantitative Spectroscopy and Radiative Transfer, 87 (1) 69-82 (2004)

38. M. Ortiz, R. Mayo, K. Blagoev, G. MalchevaTransition probabilities of some Ag II and Cu II lines, Eighth International Conference on Laser and Laser Information Technologies (5449) 367-371 (2004)

39. J. Campos, M. Ortiz, R. Mayo, E. Biйmont, P. Quinet, K. Blagoev, G. Malcheva, Radiative parameters for some transitions in the spectrum of Ag ii, Monthly Notices of the Royal Astronomical Society, 363 (3) 905-910 (2005)

40. E. Biйmont, K. Blagoev, J. Campos, R. Mayo, G. Malcheva, M. Ortiz, P. Quinet, Radiative parameters for some transitions in Cu (II) and Ag (II) spectrum, Journal of electron spectroscopy and related phenomena (144) 27-28 (2005)

41. M. Ortiz, J. Campos, R. Mayo, K. Blagoev, G. Malcheva, Possibility of LIBS for transition probabilities determination, 13th International School on Quantum Electronics: Laser Physics and Applications (5830) 226-230 (2005)

42. R. Mayo, M. Ortiz, J. Campos, K. Blagoev, G. Malcheva, Transition probabilities of some high lying states of Cd II, Physica Scripta, 72 (2-3) 142-147 (2005)

43. E. Biemont, K. Blagoev, J. Campos, R. Mayo, G. Malcheva, M. Ortiz, P. Quinet, Transition probabilities for lines from 4d96s, 4d95d of AgII spectrum and from 3d94d of Cu II lines, 13th International School on Quantum Electronics: Laser Physics and Applications (5830) 221-225 (2005)

44. G. Malcheva, K. Blagoev, R. Mayo, M. Ortiz, HL. Xu, S. Svanberg, P. Quinet, Radiative Lifetimes and Transition Probabilities of Astrophysical Interest in Zr ii, Monthly Notices of the Royal Astronomical Society, 367 (2) 754-762 (2006)

45. R. Mayo, J. Campos, M. Ortiz, H. Xu, S. Svanberg, G. Malcheva, K. Blagoev, Radiative lifetimes of Zr III excited levels, The European Physical Journal D-Atomic, Molecular, Optical and Plasma Physics, 40 (2) 169-173 (2006)

46. J. Gurell, E. Biйmont, K. Blagoev, V. Fivet, P. Lundin, S. Mannervik, L. Norlin, Laser-probing measurements and calculations of lifetimes of the 5 d D 3/ 2 2 and 5 d D 5/ 2 2 metastable levels in Ba II, Physical Review A, Atomic, Molecular, and Optical Physics, 75 (5) 052506 (2007)

47. Й. Biйmont, K. Blagoev, V. Fivet, G. Malcheva, R. Mayo, M. Ortiz, P. Quinet, Experimental and theoretical transition probabilities in singly ionized gold, Monthly Notices of the Royal Astronomical Society, 380 (4) 1581-1588 (2007)

48. M. Ortiz, R. Mayo, Й. Biйmont, P. Quinet, G. Malcheva, K. Blagoev, Radiative parameters for some transitions arising from the 3d94d and 3d84s2 electronic configurations in Cu II spectrum, Journal of Physics B: Atomic, Molecular and Optical Physics, 40 (1) 167-176 (2007)

49. M. Ortiz, R. Mayo, Й. Biйmont, P. Quinet, V. Fivet, G. Malcheva, K. Blagoev, Application of Laser Induced Breakdown Spectroscopy (LIBS) to the determination of transition probabilities of laser lines in Au II spectrum, 14th International School on Quantum Electronics: Laser Physics and Applications (6604) 166-170 (2007)

50. J. Gurell, P. Lundin, S. Mannervik, P. Royen, P. Schef, E. Biemont, P. Quinet, Laser-probing measurements and calculations of lifetimes of the 5d {sup 2} D {sub 3} at {sub {approx}}{sub sol {approx}} at {sub 2} and 5d {sup 2} D {sub 5} at {sub {approx, Physical Review. A, 75 (5) (2007)

51. J. Gurell, E. Biйmont, K. Blagoev, V. Fivet, P. Lundin, S. Mannervik, L. Norlin, Laser probing measurements and calculations of lifetimes of the 2D3/2 and 2D5/2 metastable states in Ba II, 9th European Conference on Atomic and Molecular Physics (ECAMP-9) (2007)

52. G. Malcheva, M. Ortiz, R. Mayo, E. Biйmont, P. Quinet, V. Fivet, K. Blagoev, Transition probabilities for lines originating from 6d and 7s configurations in singly ionized gold, 9th European Conference on Atomic and Molecular Physics (ECAMP-9) (2007)

53. M ORTIZ, R MAYO, E BIEMONT, P QUINET, V FIVET, G MALCHEVA, Application of Laser Induced Breakdown Spectroscopy, Proceedings of SPIE, the International Society for Optical Engineering (2007) 66040N. 1-66040N. 5

54. P. Palmeri, P. Quinet, Й. Biйmont, J. Gurell, P. Lundin, L. Norlin, P. Royen, Lifetimes of metastable levels of singly ionized titanium: theory and experiment, Journal of Physics B: Atomic, Molecular and Optical Physics, 41 (12) 125703 (2008)

55. G. Malcheva, R. Mayo, M. Ortiz, J. Ruiz, L. Engstrцm, H. Lundberg, H. Nilsson, Radiative data in the Zr I spectrum obtained by Laser Induced Fluorescence, 15th International School on Quantum Electronics: Laser Physics and Applications (7027) 195-200 (2008)

56. S. Enzonga Yoca, E. Biйmont, K. Blagoev, F. Delahaye, L. Engstrцm, Electronic structure and transition probabilities of doubly ionized gold and of some hafnium ions, Groupe de Contact FNRS'Atomes, Molйcules et Radiation (2008)

57. G. Malcheva, K. Blagoev, R. Mayo, M. Ortiz, J. Ruiz, L. Engstroem, Radiative data in the Zr I spectrum (2008)

58. G. Malcheva, S. Yoca, R. Mayo, M. Ortiz, L. Engstrцm, H. Lundberg, K. Blagoev, Radiative lifetimes and transition probabilities in Hf I and Hf III, Monthly Notices of the Royal Astronomical Society, 396 (4) 2289-2294 (2009)

59. G. Malcheva, R. Mayo, M. Ortiz, J. Ruiz, L. Engstrцm, H. Lundberg, H. Nilsson, Radiative decay data for highly excited Zr i levels, Monthly Notices of the Royal Astronomical Society, 395 (3) 1523-1528 (2009)

60. L. Engstrцm, H. Lundberg, G. Malcheva, H. Nilsson, E. Biйmont, P. Quinet, Radiative parameters of Nb I excited states, 10th International Conference on Atomic Spectra and Oscillator Strengths (ASOS-10) (2010)

61. Й. Biйmont, K. Blagoev, L. Engstrцm, H. Hartman, H. Lundberg, G. Malcheva, Lifetime measurements and calculations in Y+ and Y2+ ions, Monthly Notices of the Royal Astronomical Society, 414 (4) 3350-3359 (2011)

62. G. Malcheva, H. Nilsson, L. Engstrцm, H. Lundberg, E. Biйmont, P. Palmeri, Radiative parameters of Nb i excited states, Monthly Notices of the Royal Astronomical Society, 412 (3) 1823-1827 (2011)

63. D. Anglos, K. Blagoev, C. Fotakis, P. Ilieva, G. Malcheva, P. Penkova, Laserinduced breakdown spectroscopy (LIBS) analysis of finds from Trebenishte necropolis, Interdisziplinдre Forschungen zum Kulturerbe auf der Balkanhalbinsel Beitrдge des Humboldt-Kollegs. Sofia: Humboldt-Union in Bulgaria (2011) 291-299

64. K. Blagoev, M. Grozeva, G. Malcheva, S. Neykova, Investigation by laser induced breakdown spectroscopy, X-ray fluorescence and X-ray powder diffraction of the chemical composition of white clay ceramic tiles from Veliki Preslav, Spectrochimica Acta Part B: Atomic Spectroscopy 79, 39-43 (2013)

65. G. Malcheva, L. Engstrцm, H. Lundberg, H. Nilsson, H. Hartman, K. Blagoev, Lifetime measurements of even and odd states in neutral terbium (Tb I), Physica Scripta, 88 (4), 045304 (2013)

66. G. Malcheva, L. Engstrцm, H. Lundberg, H. Nilsson, H. Hartman, K. Blagoev, Radiative lifetimes and transition probabilities in Rh I, Monthly Notices of the Royal Astronomical Society, 450 (1) 223-228 (2015)

67. H. Lundberg, H. Hartman, L. Engstrцm, H. Nilsson, A. Persson, P. Palmeri, Oscillator strengths for high-excitation Ti ii from laboratory measurements and calculations, Monthly Notices of the Royal Astronomical Society, 460 (1) 356-362 (2016)

68. H. Lundberg, H. Hartman, L. Engstrцm, H. Nilsson, A. Persson, P. Palmeri, Radiative decay parameters for highly excited levels in Ti II, Monthly Notices of the Royal Astronomical Society (460) (2016)

69. H. Hartman, L. Engstrцm, H. Lundberg, H. Nilsson, P. Quinet, V. Fivet, Radiative data for highly excited 3d84d levels in Ni II from laboratory measurements and atomic calculations, Astronomy & Astrophysics (600) A108 (2017)

70. G. Malcheva, K. Blagoev, M. Grozeva, V. Tankova, V. Steflekova, Qualitative and quantitative laser-induced breakdown spectroscopy analysis of archaeological metal artefacts, 19th International Conference and School on Quantum Electronics: Laser Physics and Applications (10226) 135-143 (2017)

71. V. Tankova, G. Malcheva, K. Blagoev, L. Leshtakov, Investigation of archaeological metal artefacts by laser-induced breakdown spectroscopy (LIBS), Journal of Physics: Conference Series, 992 (1) 012003 (2018)

72. V. Tankova, G. Nekhrizov, G. Malcheva, V. Steflekova, K. Blagoev, Application of Laser Induced Breakdown Spectroscopy for Elemental Analysis of Archaeological Artefacts, COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES, 72 (5), 592 (2019)

73. A. Pirovska, K. Antonova, G. Malcheva, V. Tankova, K. Blagoev, Nature and physicochemical features of the incrusted white decoration on pottery from two sites in Bulgaria, dated to the chalcolithic period (IV mill BC), Journal of Archaeological Science: Reports (29) 102142 (2020)

74. H. Kisov, K. Blagoev, V. Tankova, B. Georgieva, V. Strijkova, P. Petrova, Organic random laser generation by stimulated cascaded four-wave mixing, Optics & Laser Technology (148) 107766 (2022)

75. P. Penkova, G. Malcheva, M. Grozeva, T. Hristova, G. Ivanov, S. Alexandrov, K. Blagoev, V. Tankova, V. Mihailov, Laser-Induced Breakdown Spectroscopy and X-ray Fluorescence Analysis of Bronze Objects from the Late Bronze Age Baley Settlement, Bulgaria, Quantum Beam Science, 7 (3) 22 (2023)