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Study the intensities of cosmic ions and the interplanetary magnetic field parameters near the heliospheric current sheet / Ahmed Hamdy Mohamed Ibrahim Khalil ; Superised Abdullah Abdelsalam Mohamed , Mohamed Ali Attia Elborie

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Ahmed Hamdy Mohamed Ibrahim Khalil , 2018Description: 167 P. : charts ; 25cmOther title:
  • دراسة ترابط شدة الأشعة الكونية ومعاملات المجال المغناطيسي بين الكوكبى بالتيار الهليوسفيرى [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University -Faculty of Science - Department of Physics Summary: In the present work, highly inverse correlation between the tilt angle (TA) of heliospheric current sheet (HCS) and the cosmic ray intensity (CRI) has been noted while highly positive correlation has been observed between the TA of HCS and the sunspot number (Rz). In cases of the interplanetary magnetic field and the solar plasma density, the correlations were weak and negative. In addition, the correlation was moderate in case of the solar wind speed. Our results confirmed that the sensitivity of the CRI to changes in the TA of HCS was rigidity-dependence and the time lag between the TA of HCS and the CRI was smaller throughout the even solar activity cycles (22 and 24) as compared to the odd solar activity cycles (21 and 23)
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.20.M.Sc.2018.Ah.S (Browse shelf(Opens below)) Not for loan 01010110076078000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.20.M.Sc.2018.Ah.S (Browse shelf(Opens below)) 76078.CD Not for loan 01020110076078000

Thesis (M.Sc.) - Cairo University -Faculty of Science - Department of Physics

In the present work, highly inverse correlation between the tilt angle (TA) of heliospheric current sheet (HCS) and the cosmic ray intensity (CRI) has been noted while highly positive correlation has been observed between the TA of HCS and the sunspot number (Rz). In cases of the interplanetary magnetic field and the solar plasma density, the correlations were weak and negative. In addition, the correlation was moderate in case of the solar wind speed. Our results confirmed that the sensitivity of the CRI to changes in the TA of HCS was rigidity-dependence and the time lag between the TA of HCS and the CRI was smaller throughout the even solar activity cycles (22 and 24) as compared to the odd solar activity cycles (21 and 23)

Issued also as CD

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