English
Related papers

Related papers: Light-Cone Sum Rules

200 papers

An introduction to the method of QCD sum rules is given for those who want to learn how to use this method. Furthermore, we discuss various applications of sum rules, from the determination of quark masses to the calculation of hadronic…

High Energy Physics - Phenomenology · Physics 2016-11-23 Pietro Colangelo , Alexander Khodjamirian

We overview the current status and future perspectives of the QCD-based method of light-cone sum rules. The two main versions of these sum rules, using light-meson and $B$-meson distribution amplitudes are introduced and the most important…

High Energy Physics - Phenomenology · Physics 2023-11-16 Alexander Khodjamirian , Blaženka Melić , Yu-Ming Wang

In these lectures, I present several important applications of QCD sum rules to the decay processes involving heavy-flavour hadrons. The first lecture is introductory. As a study case, the sum rules for decay constants of the heavy-light…

High Energy Physics - Phenomenology · Physics 2013-12-24 Alexander Khodjamirian

QCD sum rules are overviewed with an emphasize on the practical applications of this method to the physics of light and heavy hadrons.

High Energy Physics - Phenomenology · Physics 2017-08-23 Alexander Khodjamirian

The B --> pi ell nu weak decay form factors are calculated via light-cone sum rules within the framework of the heavy quark effective theory. We calculate the leading and the relevant sub-leading universal form factors. Our results are…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. G. Korner , Chun Liu , Chi-Tau Yan

Contents: 1. Introduction. 2. Sum rules prior to QCD. 3. Dispersion relations. 4. Types of two point function sum rules. 5. Non-perturbative power corrections. 6. Some examples of QCD sum rules.

High Energy Physics - Phenomenology · Physics 2016-09-06 Eduardo de Rafael

We outline the developed approach within the light-cone sum rules at the leading order for calculation of the gravitational form factors related to the nucleon valence quark combinations. The predictions for the gravitational form factor…

High Energy Physics - Phenomenology · Physics 2020-01-29 I. V. Anikin

We argue that soft non-factorisable terms give a significant contribution to the baryon form factors at intermediate momentum transfers and set up a framework for the calculation of such terms in the light-cone sum rule approach. Among…

High Energy Physics - Phenomenology · Physics 2009-11-07 V. M. Braun , A. Lenz , N. Mahnke , E. Stein

We present the application of the method of light-cone sum rules to the determination of baryonic form factors at intermediate momentum transfer. After reviewing the current status of this field we give some outlook on possible future…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alexander Lenz

The status of our understanding of relativistic sum rules is reviewed. The recent development of new theoretical methods for the evaluation of these sum rules offers hope for further advances in this challenging field. These new techniques…

Atomic Physics · Physics 2015-06-26 Scott M. Cohen

We describe the construction of light-cone sum rules (LCSRs) for exclusive $B$-meson decays into light energetic hadrons from correlation functions within soft-collinear effective theory (SCET). As an example, we consider the SCET sum rule…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. De Fazio , Th. Feldmann , T. Hurth

In the heavy quark effective field theory of QCD, we analyze the order 1/m_Q contributions to heavy to light vector decays. Light cone sum rule method is applied with including the effects of 1/m_Q order corrections. We then extract…

High Energy Physics - Phenomenology · Physics 2009-11-11 W. Y. Wang , Y. L. Wu , M. Zhong

A sum rule relating the widths of the decays of mesons belonging to heavy quark multiplets, having the same parity and light quark spin j, into the low lying $0^-$ and $1^-$ multiplet is obtained. As this sum rule follows from properties of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Myron Bander

A general, and very basic introduction to QCD sum rules is presented, with emphasis on recent issues to be described at length in other papers in this volume of Modern Physics Letters A. Collectively, these papers constitute the proceedings…

High Energy Physics - Phenomenology · Physics 2015-06-16 C. A. Dominguez

The concept of QCD sum rules is extended to bound states composed of particles with finite mass such as scalar quarks or strange quarks. It turns out that mass corrections become important in this context. The number of relevant corrections…

High Energy Physics - Phenomenology · Physics 2015-06-25 M. Meyer-Hermann , A. Schäfer , W. Greiner

A theoretical framework is suggested for the calculation of gamma* N -> Delta transition form factors using the light-cone sum rule approach. Leading-order sum rules are derived and compared with the existing experimental data. We find that…

High Energy Physics - Phenomenology · Physics 2014-11-18 V. M. Braun , A. Lenz , G. Peters , A. V. Radyushkin

The light cone sum rules method is used in studying the radiative decays $\Sigma_Q \to \Lambda_Q \gamma$ and $\Xi^\prime_Q \to \Xi_Q \gamma$. Firstly, the sum rules for the form factor $F_2(Q^2=0)$ responsible for these transitions is…

High Energy Physics - Phenomenology · Physics 2016-04-20 T. M. Aliev , T. Barakat , M. Savcı

We suggest a new approach for calculating heavy-to-light form factors. The method is based on light cone sum rules (LCSR) and covers the whole kinematical range of momentum transfer. The derivation of the new sum rule uses a suitable…

High Energy Physics - Phenomenology · Physics 2010-02-03 Stefan Weinzierl , Oleg Yakovlev

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

I give a short summary of QCD sum rule results for hadrons involving a heavy quark, with emphasis on recent developments.

High Energy Physics - Phenomenology · Physics 2007-05-23 V. M. Braun
‹ Prev 1 2 3 10 Next ›