کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
8188659 1528837 2013 5 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Does a proton “bubble” structure exist in the low-lying states of 34Si?
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موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک هسته ای و انرژی بالا
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Does a proton “bubble” structure exist in the low-lying states of 34Si?
چکیده انگلیسی
The possible existence of a “bubble” structure in the proton density of 34Si has recently attracted a lot of research interest. To examine the existence of the “bubble” structure in low-lying states, we establish a relativistic version of configuration mixing of both particle-number and angular-momentum projected quadrupole deformed mean-field states and apply this state-of-the-art beyond relativistic mean-field method to study the density distribution of the low-lying states in 34Si. An excellent agreement with the data of low-spin spectrum and electric multipole transition strengths is achieved without introducing any parameters. We find that the central depression in the proton density is quenched by dynamic quadrupole shape fluctuation, but not as significantly as what has been found in a beyond non-relativistic mean-field study. Our results suggest that the existence of proton “bubble” structure in the low-lying excited 02+ and 21+ states is very unlikely.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 723, Issues 4–5, 25 June 2013, Pages 459-463
نویسندگان
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