کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8185773 | 1528096 | 2011 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Exclusive production of Ïc(0+) meson and its measurement in the Ï+Ïâ channel
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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
We report on the results of a theoretical study of the central exclusive production of scalar Ïc(0+) meson via Ïc0âÏ+Ïâ decay in high-energy hadron collisions at the RHIC, Tevatron and LHC. The corresponding amplitude for exclusive double-diffractive Ïc0 meson production was obtained within the kt-factorization approach including virtualities of active gluons and the cross section is calculated with unintegrated gluon distribution functions (UGDFs) known from the literature. The four-body ppâppÏ+Ïâ reaction constitutes an irreducible background to the exclusive Ïc0 meson production. We include the absorption effects due to proton-proton interaction and pion-pion rescattering. Several differential distributions for pp(p¯)âpp(p¯)Ïc0 process, including the absorptive corrections, were calculated. The influence of kinematical cuts on the signal-to-background ratio is investigated.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Physics B - Proceedings Supplements - Volumes 219â220, OctoberâNovember 2011, Pages 284-287
Journal: Nuclear Physics B - Proceedings Supplements - Volumes 219â220, OctoberâNovember 2011, Pages 284-287
نویسندگان
P. Lebiedowicz, R. Pasechnik, A. Szczurek,