Results 21 to 30 of about 1,415,557 (286)

Effective field theories for heavy quarkonium [PDF]

, 2004
We review recent theoretical developments in heavy quarkonium physics from the point of view of Effective Field Theories of QCD. We discuss Non-Relativistic QCD and concentrate on potential Non-Relativistic QCD.
Antonio Pineda, Antonio Vairo, Barbieri, R., Barbieri, R., Barchielli, A., Bauer, C. W., Billoire, A., Bodwin, G. T., Brambilla, N., Brambilla, N., Brambilla, N., Brambilla, N., Brambilla, N., Brambilla, N., Brodsky, S. J., Caswell, W. E., Catani, S., Czarnecki, A., Czarnecki, A., Fadin, V. S., Fleming, S., Fleming, S., Hoang, A. H., Hoang, A. H., Hoang, A. H., Hoang, A. H., Joan Soto, Kniehl, B. A., Kniehl, B. A., Kniehl, B. A., Kniehl, B. A., Kniehl, B. A., Kronfeld, A. S., Källen, G., Lee, T., Lee, T., Leutwyler, H., Lucini, B., Lüscher, M., Lüscher, M., Manohar, A. V., Manohar, A. V., Manohar, A. V., Melnikov, K., Melnikov, K., Messiah, A., Nora Brambilla, Penin, A. A., Penin, A. A., Peskin, M. E., Photiadis, D. M., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Pineda, A., Schröder, Y., Susskind, L., Vairo, A., Vairo, A., Voloshin, M. B., Yndurain, F. J.   +68 more
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Relativistic Corrections to Nonrelativistic Effective Field Theories [PDF]

, 2018
In this paper we develop a formalism for studying the nonrelativistic limit of relativistic field theories in a systematic way. By introducing a simple, nonlocal field redefinition, we transform a given relativistic theory, describing a real, self ...
Guth, Alan H., Kaiser, David I., Namjoo, Mohammad Hossein   +2 more
core   +2 more sources

Effective field theories as Lagrange spaces

Journal of High Energy Physics, 2023
We present a formulation of scalar effective field theories in terms of the geometry of Lagrange spaces. The horizontal geometry of the Lagrange space generalizes the Riemannian geometry on the scalar field manifold, inducing a broad class of affine ...
Nathaniel Craig, Yu-Tse Lee, Xiaochuan Lu, Dave Sutherland   +3 more
doaj   +1 more source

Non-factorizable corrections and effective field theories [PDF]

, 2001
We analyze the structure of higher-order radiative corrections for processes with unstable particles. By subsequently integrating out the various scales that are induced by the presence of unstable particles we obtain a hierarchy of effective field ...
A. Signer, A.P. Chapovsky, Aeppli, Aguilar-Saavedra, Badelek, Beenakker, Beenakker, Beenakker, Beenakker, Beneke, Brambilla, Chapovsky, Chapovsky, de Jong, Denner, Denner, Denner, Denner, Dokshitzer, Dokshitzer, Duchesneau, Fadin, Fadin, Jadach, Khoze, Khoze, Khoze, Khoze, Khoze, Khoze, Khoze, Melnikov, Melnikov, Pineda, Pineda, Sjöstrand, Sjöstrand, Smirnov, Stuart, V.A. Khoze, W.J. Stirling   +40 more
core   +3 more sources

Effective field theories [PDF]

, 2008
These lectures introduce some of the basic notions of effective field theories, as used in particle physics. The topics discussed are the $ S=1$ and $ S =2$ weak interactions, and chiral perturbation theory as applied to mesons, baryons, and hadrons containing heavy quarks.
openaire   +3 more sources

Effective field theory for leptoquarks

Journal of High Energy Physics, 2023
Abstract Leptoquarks enter in several extensions of the Standard Model as possible solutions to a number of observed anomalies. We work within the soft-collinear effective theory framework to present a detailed analysis of the decay rates of the three leptoquarks that appear the most in literature, the scalars S1 and S3 and the ...
Meçaj, Bianka, Neubert, Matthias
openaire   +4 more sources

Operator dimensions from moduli

Journal of High Energy Physics, 2017
We consider the operator spectrum of a three-dimensional N = 2 $$ \mathcal{N}=2 $$ superconformal field theory with a moduli space of one complex dimension, such as the fixed point theory with three chiral superfields X, Y, Z and a superpotential W = XYZ.
Simeon Hellerman, Shunsuke Maeda, Masataka Watanabe   +2 more
doaj   +1 more source

Heavy Quarkonium Physics from Effective Field Theories [PDF]

, 2006
I review recent progress in heavy quarkonium physics from an effective field theory perspective. In this unifying framework, I discuss advances in perturbative calculations for low-lying quarkonium observables and in lattice calculations for high-lying ...
A. Vairo, Abazov), Abe), Acosta), Acosta), Affolder), AlFiky, Allison, Artuso), Aubert), Aubert), Aubert), Bali, Barbieri, Beneke, Bodwin, Bodwin, Bodwin, Bodwin, Bodwin, Bodwin, Braaten, Braaten, Brambilla, Brambilla, Brambilla, Brambilla, Brambilla, Brambilla, Brambilla, Brambilla, Brambilla, Brambilla, Brambilla, Brambilla, Buchmüller, Caswell, Choi), Coan), Contreras, Eichten, Eichten, Eidemüller, El-Khadra, Fleming, Fleming, Fleming, Flynn, Gray, Hu, Juge, Khan, Kniehl, Koma, Kou, Lee, Lepage, Lewis, Ma, Mangano, Mathur, Nayak, Nemati), Penin, Penin, Penin, Penin, Pineda, Pineda, Pineda, Pineda, Savage, Tormo, Tormo, Vairo, Vairo, Vairo, Yao), Yaouanc, Zhang   +79 more
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Baryons as Solitons in Effective Chiral Field Theories [PDF]

, 1995
This lecture comprises some recent developments concerning the description of baryons as topological solitons in effective chiral meson theories. In the first part one-loop corrections to the classical tree approximation are discussed.
Holzwarth, Gottfried
core   +2 more sources

Loops in AdS: from the spectral representation to position space. Part II

Journal of High Energy Physics, 2021
We continue the study of AdS loop amplitudes in the spectral representation and in position space. We compute the finite coupling 4-point function in position space for the large-N conformal Gross Neveu model on AdS 3.
Dean Carmi
doaj   +1 more source