I. PUBLICATIONS
1. Velinov P.I.Y., M. Buchvarova, L. Mateev, H. Ruder. Determination of Electron Production Rates Caused by Cosmic Ray Particles in Ionospheres of Terrestrial Planets. Adv. Space Res., 27, 11, 2001, pp. 1901-1908.
2. Buchvarova M. Modeling the Cosmic Ray Spectrum (1.8 MeV-10 GeV) in the Ionospheric C-Layer. Compt. Rend. Acad. Bulg. Sci., 54, 3, 2001, pp. 43-46.
3. Velinov P.I.Y., D. Mishev, M. Buchvarova, C. Spassov. On the Solar Ionospheric Particle Effects in First Quarter of 2001. Compt. Rend. Acad. Bulg. Sci., 54, 10, 2001, pp. 59-62.
4. Mishev D., P.I.Y. Velinov, M. Buchvarova, C. Spassov. First Results for Solar Proton Events from April 2001 and their Impact on Earth Environment. Compt. Rend. Acad. Bulg. Sci., 54, 11, 2001, pp. 55-58.
5. Mateev L., H. Ruder, M. Buchvarova and P.I.Y. Velinov. Computation of Cosmic Ray Ionization Effect in Planetary Ionosphere Using Improved Tangens Hyperbolicus Spectrum.
Compt. Rend. Acad. Bulg. Sci., 2002, 55, 2, 43-46.
6. Buchvarova M. An Analytical Model for Differential Spectrum of Cosmic Rays. Publ. Astron. Obs. Belgrade, 73, 2002, pp. 91-95.
7. Buchvarova M. Modeling the Galactic and Anomalous Cosmic Ray Differential Spectrum (1.8 MEV – 100 GeV) with Improved Smoothing Function Tangens Hyperbolicus. Compt. Rend. Acad. Bulg. Sci., 55, 7, 2002, pp. 27-30.
8. Velinov P.I.Y., H. Ruder, L. Mateev, M. Buchvarova, V. Kostov. On the Latitude and Azimuth Dependence of Electron Production Rate Profiles by Cosmic Rays in Saturnian Ionosphere. Compt. Rend. Acad. Bulg. Sci., 56, 5, 2003, pp. 37 - 42.
9. Ruder H., P.I.Y. Velinov, L. Mateev, M. Buchvarova. Electron Production Rate Profiles by Galactic and Anomalous Cosmic Rays in Planetary Ionospheres. Compt. Rend. Acad. Bulg. Sci., 57, 2, 2004, pp. 41-46.
10. Velinov P.I.Y., H. Ruder, L. Mateev, M. Buchvarova, V. Kostov. Method for Calculation of Ionization Profiles Caused by Cosmic Rays in Giant Planet Ionospheres from Jovian Group. Adv. Space Res., 33, 2, 2004, pp. 232-239.
11. Velinov P.I.Y., V. Kostov, M. Buchvarova. A modified Chapman Function for the Polar Regions of Oblate Planet Ionospheres. Adv. Space Res., 33, 2, 2004, pp. 227-231.
12. Buchvarova, M., P.I.Y. Velinov. Modeling Cosmic Ray Element Spectra and Ionization in the Ionospheres and Atmospheres of Terrestrial and Jovian Planets. International Journal of Modern Physics A (IJMPA), 20, 29, 2005, pp. 6681- 6684.
13. Buchvarova M., and P.I.Y. Velinov. Modeling Spectra of Cosmic Rays Influencing on the Ionospheres of the Earth and Outer Planets During Solar Maximum and Minimum [C3.1/B0.7/D3.3-0073-04}
Adv. Space Res., 2005, 36, 11, 2127 - 2133.
14. Buchvarova, M., and P.I.Y. Velinov. Cosmic Rays and 11-year Solar Modulation.
Sun and Geosphere, 2006, 1, 1, 27- 30.
15. Buchvarova, M., and P.I.Y. Velinov. An Empirical Model for Determination of the Cosmic Ray Spectra,
Sun and Geosphere, 2006, 1, 2, pp. 28-31
16. Buchvarova, M. Cosmic Ray Spectra Approximation Model for Protons and Alpha Particles in the Heliosphere. Compt. Rend. Acad. Bulg. Sci., 62, 11, 2009, pp. 1439-1448.
17. Buchvarova, M. Integral Primary Cosmic Ray Spectra in the Planetary Atmospheres in Extreme Phases of the Solar Cycle. Compt. Rend. Acad. Bulg. Sci, 63, 3, 2010, pp.419-426
18. Buchvarova M., P.I.Y. Velinov. Empirical Model of Cosmic Ray Spectrum in Energy Interval 1 MeV – 100 GeV during 11 - year Solar Cycle. Adv. Space Res., 45, 8, 2010, pp. 1026-1034.
19. Buchvarova M., P.I.Y. Velinov, I. Buchvarov. Model Approximation of Cosmic Ray Spectrum, Planetary Space Sci., 59(4), 2011, 355-363.
20. Buchvarova M., Draganov D., Cosmic-Ray Spectrum Approximation Model: Experimental
Results and Comparison with Other Models, Solar Physics, 284(2), 2013, 599-614.
II. CONFERENCE PROCEEDINGS
20. Buchvarova M., H. Ruder, P.I.Y. Velinov, P. Tonev. Ionization by Galactic Cosmic Rays in the Ionosphere and Atmosphere Depending on the Solar Activity. Proceedings of the International Solar Cycles Studies Symposium on „Solar Variability as an Input to the Earth’s Environment“, Tatranska Lomnica, Slovakia (ESA SP-535, September 2003), Ed. by A. Wilson, ESA Publications Division, publ. ESTEC, Noordwijk, The Netherlands, 2003, pp. 351-354.
21. Buchvarova M., P.I.Y. Velinov. A Model of Galactic and Anomalous Cosmic Ray Spectrum in the Planetary Ionospheres. Calculation of CR Ionization Effects in the Ionosphere and Middle Atmosphere. Proceedings of the 11th European Solar Physics Meeting "The Dynamic Sun: Challenges for Theory and Observations" (ESA SP-600), 11-16 September 2005, Leuven, Belgium, Ed. by D. Danesy, S. Poedts, A. De Groof and J. Andries. Published on CD-ROM, 2005, pp. 113.1- 113.4.
22. Buchvarova M., P.I.Y. Velinov. Model of Galactic and Anomalous Cosmic Ray Spectrum in the Planetary Ionospheres. Proceedings of the 29th International Cosmic Ray Conference, August 3-10, 2005, Pune, India. Ed. by B. S.Acharya, S. Gupta, P. Jagadeesan, A. Jain, S. Karthikeyan, S. Morris and S. Tonwar. Mumbai: Tata Institute of Fundamental Research, 2, 2005, pp.131- 134.
23. Buchvarova M., P.I.Y. Velinov, A. Mishev. Empirical Modelling of Cosmic Ray Spectra in the 1 MeV - 100 GeV Energy Range. Proceedings - Pre-Conference Edition on 30th International Cosmic Ray Conference, Merida, Mexico, 3 - 11 July 2007;
24. Buchvarova M., P. Velinov. Primary Cosmic Ray Spectra in the Planet Atmospheres. Proceedings of 21st European Cosmic Ray Symposium in Kosice, Slovakia, 9-12 September, 2008, Ed. by P. Kiraly, K. Kudela, M. Stehlik, A.W.Wolfendale, 2009, pp. 412-416
25. Buchvarova M. On the Motion of Carrier Rocket by Launching Artificial Satellite into Orbit. Proceedings of V National Conference with International Participation “Basic Problems in the Solar – Terrestrial Influences”, 12 – 13 November, CSTIL, Sofia, PIM – 18, 1998, pp. 53-56.
26. Tonev P., M. Buchvarova. Possible Effects in the Ionospheric D – Region Due to Tropospheric Electric Activity. Proceedings of VI National Conference with International Participation “Basic Problems in the Solar – Terrestrial Influences”, 18 – 19 November, CSTIL, Sofia, PMUA – 6, 1999, pp. 142-145.
27. Buchvarova M. Modeling the Galactic Cosmic Ray (CR) Spectrum with Account of Anomalous CR Component. Proceedings of VII National Conference with International Participation “Basic Problems in the Solar – Terrestrial Influences”, 23 – 24 November, CSTIL, Sofia, ICF – 4, 2000, pp. 121-124.
28. Buchvarova M. Modeling the Primary Cosmic Ray Differential Spectrum (1.8 MeV-100 GeV) with Improved Smoothing Function TANGENS HYPERBOLICUS. Proceedings of VIII National Conference with International Participation „Basic Problems in the Solar- Terrestrial Influences“, 6-7 December, CSTIL BAS, Sofia, PIM – 4, 2001, pp. 23-26.
29. Mateev L., H. Ruder, M. Buchvarova. Profiles for the Cosmic Ray Ionization Rates Using Improved Primary Spectrum. Flat Ionosphere Model. Proceedings of VIII National Conference with International Participation „Basic Problems in the Solar- Terrestrial Influences“, 6-7 December, CSTIL BAS, Sofia, PIM – 5, 2001, pp. 27-30.
30. Buchvarova M. Determination of Integral Spectra of Galactic and Anomalous Cosmic Rays in the Energy Intervals III, IV and V. Proceedings of IX National Conference with International Participation „Basic Problems in Solar – Terrestrial Influences“, 21 - 22 November, CSTIL BAS, Sofia, PIM - 6, 2002, pp. 29-32.
31. Kostov V., P.I.Y. Velinov, M. Buchvarova. Calculation of Particle Depth Parameter (PDP) and Optical Depth Parameter (ODP) for Ellipsoidal Ionospheres and Atmospheres of Jupiter, Saturn, Uranus and Neptune. Proceedings of IX National Conference with International Participation „Basic Problems in Solar – Terrestrial Influences“, 21 - 22 November, CSTIL BAS, Sofia, PIM - 7, 2002, pp. 33-36
32. Ruder H., P.I.Y. Velinov, L. Mateev, V. Kostov, M. Buchvarova. Investigation of Azimuth Dependence of Cosmic Ray Ionization in the Kronian Ionosphere at Different Heights and Latitudes. Proceedings of IX National Conference with International Participation „Basic Problems in Solar – Terrestrial Influences“, 21 - 22 November, CSTIL BAS, Sofia, PIM - 8, 2002, pp. 37-40.
33. Velinov P.I.Y., H. Ruder, L. Mateev, M. Buchvarova. Contribution of Galactic and Anomalous Cosmic Rays to Ionization State in the Planetary Ionospheres. Proceedings of X National Conference with International Participation „Basic Problems in Solar - Terrestrial Influences“, Bulgarian Academy of Sciences, Sofia, 20 - 21 November 2003, pp. 14-17.
34. Velinov P.I.Y., M. Buchvarova. Determination of Galactic and Anomalous Cosmic Ray Spectra in the Solar System at Different Modulation Levels. Proceedings of the XI International Scientific Conference. Dedicated to the Year of Physics 2005, Sofia, 23 - 25 November 2005, Ed. by S. Panchev, CSTIL BAS, Publishing House of Bulgarian Academy of Sciences, PIM 5, 2005, pp. 19-22.
35. Buchvarova M., Velinov P., Cosmic Ray Spectra in the Planet Atmospheres, Proceedings of IAU Symposium 257, Cambridge University Press, Ed. by N. Gopalswamy, D. Webb, 2009, pp. 471-473.
36. Buchvarova M., Approximation Model of Primary Cosmic Radiation, Journal of Physics: Conference Series, 409(1), 2013.
37. Buchvarova M., Draganov D., Models of Galactic Cosmic-Ray Spectrum during the Solar Cycle, AIP Conference Proceedings, 1551, 2013, 170-178.
|
