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:: Volume 4, Issue 1 (Spring & Summer 2019) ::
2019, 4(1): 29-40 Back to browse issues page
Phenomenological calculation of B-meson fragmentation function up to next-to-leading order at QCD perturbation theory
Seyed Mohammad Moosavi Nejad , Maryam Soleymaninia
Yazd University
Abstract:   (928 Views)
In this work, we determine the non-perturbative fragmentation function (FF) of B-mesons (meson including a bottom quark flavor), phenomenologically, at next-to-leading order QCD perturbation theory using data from electron-positron annihilation. In this regard, we apply all current experimental data from OPAL, ALEPH, SLD2002 and DELPHI collaborations. We also apply the Hessian method to calculate the error in determination of FFs. As an application, using our extracted results we shall make our predictions for energy distribution of B-mesons produced through top quark decay. Study of the B-meson energy spectrum can be considered as a convenient channel to search for the properties of top quarks at CERN.
 
Keywords: Fragmentation function, B-meson, Electron-positron annihilation, Top quark
Full-Text [PDF 844 kb]   (371 Downloads)    
Type of Study: Research | Subject: Special
Received: 2018/10/26 | Accepted: 2020/01/5 | Published: 2020/09/14
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Moosavi Nejad S M, Soleymaninia M. Phenomenological calculation of B-meson fragmentation function up to next-to-leading order at QCD perturbation theory. Journal title 2019; 4 (1) :29-40
URL: http://jmrph.khu.ac.ir/article-1-74-en.html


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Volume 4, Issue 1 (Spring & Summer 2019) Back to browse issues page
پژوهش های نوین فیزیک Journal Modern Research Physics
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