کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10721929 | 1033653 | 2011 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Neutron-proton coincidences from Non-Mesonic Weak Decay of p-shell Î-hypernuclei and determination of the two-nucleon induced process
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک هسته ای و انرژی بالا
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The decay of Î-hypernuclei without Ï emission, known as Non-Mesonic Weak Decay (NMWD), gives an effective tool to investigate ÎS=1 four-baryon interactions. It was theoretically suggested that the two-nucleon induced mechanism could play a substantial role in reproducing the observed NMWD decay rates and nucleon spectra, but at present no direct evidence of such a mechanism has been obtained. The FINUDA experiment, exploiting the possibility to detect both charged and neutral particles coming from the hypernucleus decay, has allowed us to deduce the relative weight of the two nucleon induced decay rate to the total NMWD rate. The value of Î2N/ÎNMWD=0.21±0.07statâ0.02sys+0.03sys has been deduced, well consistent with the previous determinations.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 701, Issue 5, 27 July 2011, Pages 556-561
Journal: Physics Letters B - Volume 701, Issue 5, 27 July 2011, Pages 556-561
نویسندگان
FINUDA Collaboration FINUDA Collaboration, M. Agnello, L. Benussi, M. Bertani, H.C. Bhang, G. Bonomi, E. Botta, M. Bregant, T. Bressani, S. Bufalino, L. Busso, D. Calvo, P. Camerini, B. Dalena, F. De Mori, G. DʼErasmo, F.L. Fabbri, A. Feliciello,