کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8190562 1528856 2012 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
CP violation and flavor SU(3) breaking in D-meson decays
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک هسته ای و انرژی بالا
پیش نمایش صفحه اول مقاله
CP violation and flavor SU(3) breaking in D-meson decays
چکیده انگلیسی
We carry out a systematic flavor SU(3) analysis of D-meson decays including the leading order symmetry breaking effects. We find that SU(3) breaking can easily account for the recent LHCb measurement of the difference in CP asymmetries in the decays of D0 into K+K− and π+π− mesons, once an enhancement mechanism, similar to the Δ=1/2 rule in neutral kaon decays is assumed. As a byproduct of the analysis, one can make predictions regarding the individual asymmetries in K+K−, π+π−, as well as the D0→π0π0 decay channels. Moreover, we find that the asymmetry in the decay D+→π+π0 vanishes in the leading approximation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 712, Issues 1–2, 30 May 2012, Pages 81-86
نویسندگان
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