DEVELOPMENTS in QCD
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چکیده
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منابع مشابه
New Developments in Nonperturbative Qcd
Basic developments in the analytic study of the QCD vacuum structure and of the QCD spectrum, including glueballs and hybrids are reviewed.
متن کاملRecent Developments in Lattice Qcd
I review the current status of several lattice QCD results. I concentrate on new analytical developments and on numerical results relevant to phenomenology.
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در این مقاله رسانندگی الکتریکی یک سیستم ناپایدار نظریة QCD در دمای پایین بررسی شده است. یک راه مطالعه چنین سیستمهایی، اعمال یک میدان الکتریکی وابسته به زمان و بررسی رفتار زمانی خارج از تعادل سیستم است. اعمال میدان الکتریکی باعث تولید زوجهای کوارک و آنتی کوارک از فاز محبوس QCD و ایجاد یک جریان الکتریکی میشود. با استفاده از رابطة بین شدت میدان الکتریکی اعمال شده و جریان الکتریکی حاصل از آن می...
متن کاملبررسی مدلهای گوناگون QCD و مقایسه آنها با نتایج حاصل از نابودی e+e- در انرژی مرکز جرم60GeV
We present the QCD models based on the hadronization of final states of e+e- annihilations, in 60 GeV centre of mass energy in the AMY detector at the KEK collider TRISTAN. To achieve this, we first find the jet axis by using the momentum tensor and diagonilizing it for each event. The models under consideration are the Webber, the Matrix Elements and the Parton Shower. In most cases our resu...
متن کاملB?J/?(?,K) Decays within QCD Factorization Approach
We used QCD factorization for the hadronic matrix elements to show that the existing data, in particular the branching ratios BR ( ?J/?K) and BR ( ?J/??), can be accounted for this approach. We analyzed the decay within the framework of QCD factorization. We have complete calculation of the relevant hard-scattering kernels for twist-2 and twist-3. We calculated this decays in a special scale ...
متن کاملTwisted mass lattice QCD: Recent developments and results
I review recent theoretical developments and numerical results of twisted mass QCD. I argue that, combined with an efficient algorithm, twisted mass QCD can be an attractive QCD lattice action, to perform large scale simulations at small pion masses, where a matching with chiral perturbation theory can be performed. Open issues like flavour breaking effects are also addressed. c Copyright owned...
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تاریخ انتشار 2018