کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5495525 | 1528794 | 2016 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Heavy exotic molecules with charm and bottom
ترجمه فارسی عنوان
مولکول های عجیب و غریب سنگین با جذابیت و پایین
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک هسته ای و انرژی بالا
چکیده انگلیسی
We revisit the formation of pion-mediated heavy-light exotic molecules with both charm and bottom and their chiral partners under the general strictures of both heavy-quark and chiral symmetry. The chiral exotic partners with good parity formed using the (0+,1+) multiplet are about twice more bound than their primary exotic partners formed using the (0â,1â) multiplet. The chiral couplings across the multiplets (0±,1±) cause the chiral exotic partners to unbind, and the primary exotic molecules to be about twice more bound, for Jâ¤1. Our multi-channel coupling results show that only the charm isosinglet exotic molecules with JPC=1++ bind, which we identify as the reported neutral X(3872). Also, the bottom isotriplet exotic with JPC=1+â binds, which we identify as a mixture of the reported charged exotics Zb+(10610) and Zb+(10650). The bound isosinglet with JPC=1++ is suggested as a possible neutral Xb(10532) not yet reported.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 762, 10 November 2016, Pages 362-370
Journal: Physics Letters B - Volume 762, 10 November 2016, Pages 362-370
نویسندگان
Yizhuang Liu, Ismail Zahed,