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Related papers: Exact Amplitude-Based Resummation in Quantum Field…

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We present the current status of the comparisons with the respective data of the predictions of our approach of exact amplitude-based resummation in quantum field theory in two areas of investigation: precision QCD calculations of all four…

High Energy Physics - Phenomenology · Physics 2013-12-04 B. F. L. Ward , S. K. Majhi , A. Mukhopadhyay , S. A. Yost

We present the current status of the comparisons with the respective data of the predictions of our approach of exact amplitude-based resummation in quantum field theory as applied to precision QCD calculations as needed for LHC physics.…

High Energy Physics - Phenomenology · Physics 2015-07-14 Aditi Mukhopadhyay , B. F. L. Ward

We present the current status of the comparisons with the respective data of the predictions of our approach of exact amplitude-based resummation in quantum field theory as applied to precision QCD calculations as needed for LHC physics,…

High Energy Physics - Phenomenology · Physics 2014-09-05 B. F. L. Ward , S. K. Majhi , A. Mukhopadhyay , S. A. Yost

We present the status and update of a new approach to quantum general relativity as formulated by Feynman from the Einstein-Hilbert action wherein amplitude-based resummation techniques are applied to the theory's loop corrections to yield…

General Relativity and Quantum Cosmology · Physics 2008-10-09 B. F. L. Ward

With the advancement of strategies for the precision physics programs for the HL-LHC, FCC-ee, FCC-hh, ILC, CLIC, CEPC, and CPPC, the need for proper control of the attendant theoretical precision tags is manifest. We discuss the role that…

High Energy Physics - Phenomenology · Physics 2023-02-03 B. F. L. Ward , S. Jadach , W. Placzek , M. Skrzypek , Z. Was , S. A. Yost

There is a continuing effort to support and prepare the precision physics programs for the present and planned future colliders such as HL-LHC, FCC, CLIC, CEPC, and CPPC. We discuss new results from IR-improved amplitude-based resummation…

High Energy Physics - Phenomenology · Physics 2023-10-17 B. F. L. Ward , S. Jadach , W. Placzek , M. Skrzypek , Z. A. Was , S. A. Yost

We present a new approach to quantum general relativity based on the idea of Feynman to treat the graviton in Einstein's theory as a point particle field subject to quantum fluctuations just as any such field is in the well-known Standard…

High Energy Physics - Phenomenology · Physics 2009-06-19 B. F. L. Ward

We present recent developments in the application of exact amplitude-based resummation methods in the confrontation between precision theory and recent experimental results. As a consequence, we argue that these methods open the way to 1\%…

High Energy Physics - Phenomenology · Physics 2016-03-09 B. F. L. Ward , A. Mukhopadhyay

We present the current status of the a new approach to quantum general relativity based on the exact resummation of its perturbative series as that series was formulated by Feynman. We show that the resummed theory is UV finite and we…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. F. L. Ward

We present the elements of three applications of resummation methods in non-Abelian gauge theories: (1), QED X QCD exponentiation and shower/ME matching for LHC physics; (2), IR improvement of DGLAP theory; (3), resummed quantum gravity and…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. F. L. Ward

It is shown that amplitude-based, exact resummation tames the un-cancelled IR divergences at O(alpha_s^2) in initial state radiation in QCD with massive quarks. Implications for precision predictions for LHC physics are discussed.

High Energy Physics - Phenomenology · Physics 2008-11-07 B. F. L. Ward

We present the elements of resummed quantum gravity, a new approach to quantum gravity based on the work of Feynman using the simplest example of a scalar field as the representative matter. We show that we get a UV finite quantum…

High Energy Physics - Phenomenology · Physics 2009-11-10 B. F. L. Ward

We review the application of exact, amplitude-based, YFS-syle resummation in quantum field theory via Monte Carlo methods.

High Energy Physics - Phenomenology · Physics 2008-12-19 B. F. L. Ward

We show that, by using amplitude-based resummation techniques for Feynman's formulation of Einstein's theory, we get quantum field theoretic 'first principles' predictions for the UV fixed-point values of the dimensionless gravitational and…

General Relativity and Quantum Cosmology · Physics 2009-10-13 B. F. L. Ward

IR-improvement based on amplitude-level resummation allows one to control unintegrable results in quantum field theory with arbitrary precision in principle. We illustrate such resummation in specific examples in precision LHC and FCC…

High Energy Physics - Phenomenology · Physics 2021-08-17 B. F. L. Ward , S. Jadach , W. Placzek , M. Skrzypek , Z. A. Was , S. A. Yost

The paper puts together some loosely connected observations, old and new, on the concept of a quantum field and on the properties of Feynman amplitudes. We recall, in particular, the role of (exceptional) elementary induced representations…

Mathematical Physics · Physics 2013-12-02 Ivan Todorov

We use exact results in a new approach to quantum gravity to discuss some issues in black hole physics.

High Energy Physics - Phenomenology · Physics 2009-11-10 B. F. L. Ward

We present new results on the summation of nonpower-series expansions in QCD Analytic Perturbation Theory (APT) in the one-loop approximation. We show how to generalize the approach suggested by one of us earlier to the cases of APT and…

High Energy Physics - Phenomenology · Physics 2008-03-27 A. P. Bakulev , S. V. Mikhailov

In this chapter, we will review the field-theoretic treatment of General Relativity based on an effective field theory extension of the Einstein-Hilbert action. This pragmatic route to low-energy quantum effects in gravity critically…

High Energy Physics - Theory · Physics 2022-12-20 N. Emil J. Bjerrum-Bohr , Ludovic Planté , Pierre Vanhove

A framework for quantum field theory coupled to three-dimensional quantum gravity is proposed. The coupling with quantum gravity regulates the Feynman diagrams. One recovers the usual Feynman amplitudes in the limit as the cosmological…

General Relativity and Quantum Cosmology · Physics 2009-11-11 John W. Barrett
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