محاسبه فاکتور S_E1 واکنش d(alpha,, gamma)6Li با استفاده از نظریه میدان موثر خوشه‌ای در انرژی های پایین

رادین, مهدی; نظری, فرزانه; معینی آرانی, مهدی

doi:10.22055/jrmbs.2025.19793

محاسبه فاکتور S_E1 واکنش d(alpha,, gamma)6Li با استفاده از نظریه میدان موثر خوشه‌ای در انرژی های پایین

نوع مقاله : مقاله پژوهشی کامل

نویسندگان

¹ دانشکدة فیزیک، دانشگاه صنعتی خواجه نصیرالدین طوسی، تهران، ایران

² دانشگاه صنعتی مالک اشتر، تهران، ایران

10.22055/jrmbs.2025.19793

چکیده

در این مقاله با استفاده از نظریه میدان موثر خوشه‌ای به مطالعه فرآیند گیراندازی تابشی d(alpha, gamma)6Li تا مرتبه NLO و در محدوده انرژی های پایین می‌پردازیم. این واکنش نقشی تعیین کننده در تولید در دقایق ابتدایی پس از انفجار بزرگ داشته است. در محدوده انرژی MeV 0.5 گذار سهم غالبی در فرآیند دارد. در این تحقیق ابتدا به استخراج دامنه گذار برای همه حالت های P اولیه سیستم آلفا-دوترون به حالت پایه نهایی هسته 6Li مطابق با دیاگرام های فاینمن پرداخته و سپس سطح مقطع کل و فاکتور اخترفیریکی واکنش را در بازه انرژی MeV5

کلیدواژه‌ها

موضوعات

فیزیک هسته ای

عنوان مقاله [English]

Calculation of the factor S_E1 of d(\alpha,,\gamma)6Li reaction in the Cluster Effective Field Theory at Low Energies

نویسندگان [English]

Mahdi Radin ¹
Farzaneh Nazari ¹
Mahdi Moeini Arani ²

¹ Department of Physics, K. N. Toosi University of Technology, Tehran, Iran

² Malek Ashtar University of Technology, Tehran, Iran

چکیده [English]

In this paper we study the radiative capture process d(alpha, gamma)6Li in the cluster effective field theory at low energies up to next-to-leading order. This particular nuclear reaction played a crucial role in the early universe by rapidly producing 6Li shortly after the Big Bang. In the range of energy E_CM

کلیدواژه‌ها [English]

Cluster effective field theory
Gamma capture reaction
The astrophysical S-factor

مراجع

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