International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2529

Full Length Research Paper

Variability of quiet-time diurnal amplitude and phase of cosmic ray count rates in the mid- and high latitudes

Okiyi Ugochukwu
  • Okiyi Ugochukwu
  • Department of Physics and Astronomy, University of Nigeria, Nsukka, Enugu State, Nigeria.
  • Google Scholar
Okpala Kingsley C.
  • Okpala Kingsley C.
  • Department of Physics and Astronomy, University of Nigeria, Nsukka, Enugu State, Nigeria.
  • Google Scholar
Tsor James O.
  • Tsor James O.
  • Department of Physics and Astronomy, University of Nigeria, Nsukka, Enugu State, Nigeria.
  • Google Scholar
Egbunu Friday
  • Egbunu Friday
  • Department of Physics, Kogi State University, Anyigba, Kogi State, Nigeria.
  • Google Scholar


  •  Received: 22 August 2017
  •  Accepted: 22 September 2017
  •  Published: 30 November 2017

References

Agarwal R, Mishra RK (2008). Modulation of cosmic rays at different cutoff rigidity. Braz. J. Phys. 38:108-116.
Crossref

 

Ananth AG, Vankatesan D, Pillai S (1993). Long term changes in cosmic ray diurnal anisotropy. Solar Phys. 143:187-196.
Crossref

 
 

Balasubrahmanyan VK (1968). Solar activity and the 11-year modulation of cosmic rays. Solar Phys. 7(1):39-45.
Crossref

 
 

Bazilevskaya BA, Krainev MB, Makhmutov VS, Stozhkov YI, Svirzhevskaya AK, Svirzhevsky NS (1995). The relationship between the galactic cosmic ray intensity and the sunspot distribution. Adv. Space Res. 16(9):221-225.
Crossref

 
 

Belov AV, Gushchina RT, Yanke VG (1999). The spectrum of cosmic rays variations during 19-22 solar cycles. Proc. 26th int. cosmic conf. 7:175-178.

 
 

Chillingarian A, Mailyan R (2009). Investigation of diurnal variation of cosmic ray flux in the Beginning of 24th Solar Activity Cycle, proceedings of the 31st ICRC, LODZ, 1-4.

 
 

Firoz KA (2008). On cosmic ray diurnal variations: Disturbed and Quiet days, WDS'08 proceedings of contributed papers, part II, 183-188.

 
 

Helen M, Evangelos P (2012). Long term cosmic ray variability and the CME-index. Adv. in Astron. pp. 1-8.

 
 

Hester J, David B, George B, Ronald G, Bradford S, Howard V, Gary W (2002). 21st Century Astronomy. New York NY: WW Norton & company inc. publishers.

 
 

Kane RP (2009). High amplitude anisotropic events (HAE) in cosmic ray diurnal variation during solar cycle 23. Indian J. Radio Space Phys. 38:189-196.

 
 

Kudela K, Firoz KA, Langer RD, Kollir V (2008). On diurnal variation of cosmic rays: statistical study of neutron monitor data including Lommicky slit. Proc. 21st Eur. cosmic ray conf. 374-378.

 
 

Kudela K, Sabbah I (2016). Quasi-periodic variations of low energy cosmic rays. Sci. China Tech. Sci. 59(4):547-557.
Crossref

 
 

Kumar S, Shrivastava SK, Dubey SK, Richaria MK, Gulati U (1998). Effect of solar poloidal magnetic field reversal on diurnal anisotropy of cosmic ray intensity on quiet days. Indian J. Radio Space Phys. 27:236-240.

 
 

Okpala KC, Okeke FN (2011). Investigation of diurnal and seasonal galactic cosmic ray variation on quite days in two mid latitude stations. Astropart. Phys. 34:878-885.
Crossref

 
 

Okpala KC, Okeke FN, Ugwoke AI (2015). Cosmic ray modulation in high and middle latitudes during solar cycles 22 and 23. Can. J. Phys. 93(1):100-104.
Crossref

 
 

Pomerantz MA, Duggal SP (1971). The cosmic ray solar diurnal anisotropy. Space Sci. Rev. 12:75-130.
Crossref

 
 

Sabbah I (2007). Twenty-seven day variation of galactic cosmic rays. Solar Phys. 245:207-217.
Crossref

 
 

Sabbah I, Kudela K (2011). Third harmonic of the 27 periodicity of galactic cosmic rays: coupling with interplanetary parameters. J. Geophys. Res. Space Phys. 116(A4):2156-2202.
Crossref

 
 

Singer SF (1952). Cosmic rays and the sun's magnetic field: Diurnal variation of cosmic rays and the sun's magnetic field. Nature 170:63-64.
Crossref

 
 

Singh Y, Badruddin P (2015). Solar rotational oscillation and its harmonics in the solar wind, geomagnetic and cosmic ray particles during the last two solar minima. Astrophys. Space Sci. 359:60.
Crossref

 
 

Thomas S, Owens M, Lockwood M, Owen C (2017). Decadal trends in the diurnal variation of galactic cosmic rays observed using neutron monitor data. Ann. Geophys. 35:825-838.
Crossref

 
 

Tiwari RK, Achyut P, Pankaj KS, Sushil KS (2011). Relationship of cosmic rays with solar and geomagnetic activity. Ind. J. Sci. Res. 2(4):15-19.

 
 

Usoskin IG, Kalevi M (2001). Heliospheric modulation of cosmic rays and solar activity during the maunder minimum. J. Geophys. Res. 106(A8):16039-16046.
Crossref