THE STRONG COUPLING CONSTANT FROM HADRON STRUCTURE PHENOMENOLOGY
نویسندگان
چکیده
منابع مشابه
The strong coupling constant
In this paper we fix our attention, on hadron structure, and show that also the strong interaction strength αS, ordinarily called the “(perturbative) coupling–constant square”, can be evaluated within our theory, and found to decrease (increase) as the “distance” r decreases (increases). This yields both the confinement of the hadron constituents, and their asymptotic freedom: in qualitative ag...
متن کاملLessons from Hadron Phenomenology
The main effort of our light-front community has been in the past ten years to develop new techniques for solving QCD, be it DLCQor renormalisationgroupbased methods (for review see [1]). In practice the usefulness of any procedure (which includes the question of convergence) is often determined by how well its first approximation captures the essential features of the system under consideratio...
متن کاملThe Strong Coupling Constant from the Lattice 3-gluon Vertex
We compute the QCD running coupling on the lattice as deened from the 3-gluon vertex. We present the results of an exploratory study at = 6:0 on a 16 4 lattice, which show that for momenta larger than 2 GeV, the coupling runs according to the 2-loop asymptotic formula, allowing a precise determination of the parameter. Our renormalization procedure corresponds to a momentum subtraction scheme i...
متن کاملThe Determination of the Strong Coupling Constant
The strong coupling constant is one of the fundamental parameters of the Standard Theory of particle physics. In this review I will briefly summarise the theoretical framework, within which the strong coupling constant is defined and how it is connected to measurable observables. Then I will give an historical overview of its experimental determinations and discuss the current status and world ...
متن کاملStatus of the Strong Coupling Constant
The current status of measurements of the strong coupling constant from different reactions is reviewed. Including new results presented at the 1996 ICHEP conference, a global average αs(MZ) = 0.118± 0.003 is obtained. Plenary talk given at the XXVIII International Conference on High Energy Physics Warsaw, July 25–31, 1996.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International Journal of Modern Physics: Conference Series
سال: 2012
ISSN: 2010-1945,2010-1945
DOI: 10.1142/s2010194512009312