کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1836381 1527084 2015 14 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The decay widths, the decay constants, and the branching fractions of a resonant state
ترجمه فارسی عنوان
عرض پوسیدگی، ثابت شدن پوسیدگی و بخش های شاخه ای یک حالت رزونانس
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک هسته ای و انرژی بالا
چکیده انگلیسی
We introduce the differential and the total decay widths of a resonant (Gamow) state decaying into a continuum of stable states. When the resonance has several decay modes, we introduce the corresponding partial decay widths and branching fractions. In the approximation that the resonance is sharp, the expressions for the differential, partial and total decay widths of a resonant state bear a close resemblance with the Golden Rule. In such approximation, the branching fractions of a resonant state are the same as the standard branching fractions obtained by way of the Golden Rule. We also introduce dimensionless decay constants along with their associated differential decay constants, and we express experimentally measurable quantities such as the branching fractions and the energy distributions of decay events in terms of those dimensionless decay constants.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Physics A - Volume 940, August 2015, Pages 297-310
نویسندگان
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