کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10723070 | 1033827 | 2010 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Light bound states of heavy fermions
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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
In the Standard Model, a group of heavy fermions, e.g. top quarks, can collectively strongly affect the Higgs field and create relatively long-lived bound states. If there exist new generations of fermions with masses beyond 1 TeV, strong binding of several of them can make them lighter than even a single heavy fermion. Using the mean field approximation we find multi-fermion states with masses Mâ¼5vNâ1.2N TeV, with N=2,3,⦠and v=246 GeV being the total number of heavy fermions bound together, and the Higgs VEV. These results inspire a hope that the experimental search for multi-fermions within the range of energies 2-3 Tev would either discover them, or suggest absence of new Standard Model fermions with larger masses. Possible implications related to multi-top states and baryonic asymmetry of the Universe are discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 693, Issue 4, 11 October 2010, Pages 485-488
Journal: Physics Letters B - Volume 693, Issue 4, 11 October 2010, Pages 485-488
نویسندگان
Michael Yu. Kuchiev, Victor V. Flambaum, Edward Shuryak,