کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5494031 | 1527061 | 2017 | 19 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electric dipole moment of the deuteron in the standard model with NN â ÎN â ΣN coupling
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک هسته ای و انرژی بالا
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چکیده انگلیسی
We calculate the electric dipole moment (EDM) of the deuteron in the standard model with |ÎS|=1 interactions by taking into account the NNâÎNâΣN channel coupling, which is an important nuclear level systematics. The two-body problem is solved with the Gaussian Expansion Method using the realistic Argonne v18 nuclear force and the YN potential which can reproduce the binding energies of Î3H, Î3He, and Î4He. The |ÎS|=1 interbaryon potential is modeled by the one-meson exchange process. It is found that the deuteron EDM is modified by less than 10%, and the main contribution to this deviation is due to the polarization of the hyperon-nucleon channels. The effect of the YN interaction is small, and treating ÎN and ΣN channels as free is a good approximation for the EDM of the deuteron.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Physics A - Volume 963, July 2017, Pages 33-51
Journal: Nuclear Physics A - Volume 963, July 2017, Pages 33-51
نویسندگان
Nodoka Yamanaka,