Study of matter density distributions, elastic electron scattering form factors and reaction cross sections of 8He and 17B exotic nuclei
العناوين الأخرى
دراسة توزيعات الكثافة و عوامل التشكل للاستطارة الإلكترونية المرنة و المقاطع العرضية للتفاعل للنوى الغريبة 8 He و 17B
المؤلفون المشاركون
Abd Allah, Ahmad Najm
Fulayyih, Ghayth Nimah
Hammudi, Adil Khalaf
المصدر
العدد
المجلد 55، العدد 4B (31 ديسمبر/كانون الأول 2014)، ص ص. 1876-1890، 15ص.
الناشر
تاريخ النشر
2014-12-31
دولة النشر
العراق
عدد الصفحات
15
التخصصات الرئيسية
الملخص EN
The ground state densities of unstable neutron-rich 8He and 17B exotic nuclei are studied via the framework of the two-frequency shell model (TFSM) and the binary cluster model (BCM).
In TFSM, the single particle harmonic oscillator wave functions are used with two different oscillator size parameters βc and βv where the former is for the core (inner) orbits and the latter is for the valence (halo) orbits.
In BCM, the internal densities of the clusters are described by single particle Gaussian wave functions.
Shell model calculations for the two valence neutrons in 8He and 17B are performed via the computer code OXBASH.
The long tail performance is clearly noticed in the calculated neutron and matter density distributions of these nuclei.
The structure of the two valence neutrons in 8He and 17B is found to be a mixed configurations with dominant (1p1/2)2 and (2s1/2)2, respectively.
Elastic electron scattering proton form factors for 8He and 17B are studied using the plane wave born approximation (PWBA).
It is found that the major difference between the calculated form factors of unstable nuclei [8He, 17B] and those of stable nuclei [4He, 10B] is the difference in the center of mass correction which depends on the mass number and the size parameter β (which is assumed in this case as the average of βc and βv).
The reaction cross sections for 8He and 17B are studied by means of the Glauber model with an optical limit approximation using the ground state densities of the projectile and target, where these densities are described by single Gaussian functions.
The calculated reaction cross sections of 8He and 17B at high energy are in good agreement with the experimental data.
The analysis of the present study supports the halo structure of these nuclei.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Hammudi, Adil Khalaf& Fulayyih, Ghayth Nimah& Abd Allah, Ahmad Najm. 2014. Study of matter density distributions, elastic electron scattering form factors and reaction cross sections of 8He and 17B exotic nuclei. Iraqi Journal of Science،Vol. 55, no. 4B, pp.1876-1890.
https://search.emarefa.net/detail/BIM-955565
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Hammudi, Adil Khalaf…[et al.]. Study of matter density distributions, elastic electron scattering form factors and reaction cross sections of 8He and 17B exotic nuclei. Iraqi Journal of Science Vol. 55, no. 4B (2014), pp.1876-1890.
https://search.emarefa.net/detail/BIM-955565
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Hammudi, Adil Khalaf& Fulayyih, Ghayth Nimah& Abd Allah, Ahmad Najm. Study of matter density distributions, elastic electron scattering form factors and reaction cross sections of 8He and 17B exotic nuclei. Iraqi Journal of Science. 2014. Vol. 55, no. 4B, pp.1876-1890.
https://search.emarefa.net/detail/BIM-955565
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Text in English ; abstracts in English and Arabic.
رقم السجل
BIM-955565
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر