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Related papers: Introduction to QCD sum rules

200 papers

Applications of QCD sum rules to exclusive decays of heavy mesons are reviewed. In detail, we discuss the calculations of the B and $D$ decay constants, the heavy-to-light form factors $f^+(p^2)$ and $f^0(p^2)$, and the strong couplings…

High Energy Physics - Phenomenology · Physics 2016-11-03 A. Khodjamirian , R. Rückl

We set up sum rules for heavy lambda decays in a full QCD calculation which in the heavy quark mass limit incorporates the symmetries of heavy quark effective theory. For the semileptonic $\La_c$ decay we obtain a reasonable agreement with…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. G. Dosch , E. Ferreira , M. Nielsen , R. Rosenfeld

In this talk, we briefly review the current understanding of the behavior of the QCD equation of state throughout the phase diagram. Special emphasis is given to regions of phenomenological interest, and a number of important open questions…

High Energy Physics - Phenomenology · Physics 2011-04-28 Aleksi Vuorinen

Significant progress has been made in the determination of the light quark masses, using both lattice QCD and sum rule methods, in the last year. We discuss the different methods and review the status of current results. Finally, we review…

High Energy Physics - Lattice · Physics 2011-01-27 Tanmoy Bhattacharya , Rajan Gupta

We study $\bar{Q}Q\bar{q}q$ and $\bar{Q}qQ\bar{q}$ states as mixed states in QCD sum rules. By calculating the two-point correlation functions of pure states of their corresponding currents, we review the mass and coupling constant…

High Energy Physics - Phenomenology · Physics 2022-06-08 Ze-Sheng Chen , Zhuo-Ran Huang , Hong-Ying Jin , T. G. Steele , Zhu-Feng Zhang

A comprehensive study of $b\to c$ weak decays of doubly heavy baryons is presented in this paper. The transition form factors as well as the pole residues of the initial and final states are respectively obtained by investigating the…

High Energy Physics - Phenomenology · Physics 2022-01-05 Zhi-Peng Xing , Zhen-Xing Zhao

The aim of these lectures is to provide (experimental particle physics Ph.D.) students with an introduction to some of the core concepts and methods of QCD that are relevant in an LHC context.

High Energy Physics - Phenomenology · Physics 2011-01-11 Gavin P. Salam

In this talk, I review recent developments in perturbative QCD and their applications to collider physics.

High Energy Physics - Phenomenology · Physics 2010-11-19 Thomas Gehrmann

A brief introduction is given to the topic of Smith normal forms of incidence matrices. A general discussion of techniques is illustrated by some classical examples. Some recent advances are described and the limits of our current…

Combinatorics · Mathematics 2015-06-18 Peter Sin

The masses of octet baryons are calculated by the method of QCD sum rules. Using generalized interpolating fields, three independent sets of QCD sum rules are derived which allow the extraction of low-lying N* states with spin-parity 1/2+,…

Nuclear Theory · Physics 2014-11-18 Frank X. Lee , Xinyu Liu

We summarize the current status of our understanding of the structure of the perturbative QCD expressions for the QCD generalization of the Crewther relation.

High Energy Physics - Phenomenology · Physics 2007-05-23 A. L. Kataev

We present a new QCD sum rule with high sensitivity to the continuum regions of charm and bottom quark pair production. Combining this sum rule with existing ones yields very stable results for the msbar quark masses, m_c(m_c)$ and m_b…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jens Erler , Mingxing Luo

Infinite sets of sum rules involving the excitations of infinite nuclear matter are derived using only completeness, the current algebra implicit in QCD, and relativistic covariance. The sum rules can be used for isospin-asymmetric nuclear…

Nuclear Theory · Physics 2007-05-23 Thomas D. Cohen , Wojciech Broniowski

We present a concise review of where we stand in particle physics today. First we discuss QCD, then the electroweak sector and finally the motivations and the avenues for new physics beyond the Standard Model.

High Energy Physics - Phenomenology · Physics 2007-05-23 Guido Altarelli

We present a set of sum rules relating the low-energy light-by-light scattering to integrals of \gamma\gamma-fusion cross sections and use them to study the hadronic contributions.

High Energy Physics - Phenomenology · Physics 2015-03-19 Vladimir Pascalutsa , Vladyslav Pauk , Marc Vanderhaeghen

We develop a three-point formalism to treat vacuum susceptibilities used for the coupling of currents to hadrons within the method of QCD Sum Rules. By introducing nonlocal condensates, with the space-time structure taken from fits to…

High Energy Physics - Phenomenology · Physics 2009-10-30 Mikkel B. Johnson , Leonard S. Kisslinger

QCD sum-rules are employed to determine whether the X(3872) can be described as a mixed state that couples to $J^{PC}=1^{++}$ charmonium hybrid and $\bar D D^*$ molecular currents. After calculating the mixed correlator of hybrid and…

High Energy Physics - Phenomenology · Physics 2013-09-24 Wei Chen , Hong-ying Jin , R. T. Kleiv , T. G. Steele , Meng Wang , Qing Xu

I discuss the lattice calculations relevant to recent advances in CKM phenomenology, focusing on those relevant to new experimental results reported at this workshop.

High Energy Physics - Phenomenology · Physics 2007-05-23 Paul B. Mackenzie

I present a compilation of results on B->light meson form factors from QCD sum rules on the light-cone.

High Energy Physics - Phenomenology · Physics 2007-05-23 Patricia Ball

I give a brief introduction to the physics of generalized parton distributions and distribution amplitudes. I then report on the status of the calculation of radiative corrections for the exclusive processes where these quantities occur.

High Energy Physics - Phenomenology · Physics 2007-05-23 Markus Diehl