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Author : Christopher Zeoli
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.:/5 (777 download)
Download or read book Infinite-cutoff Renormalization of the Chiral Nucleon-nucleon Interaction written by Christopher Zeoli and published by . This book was released on 2011 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ehab Marji
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (857 download)
Download or read book Finite-cutoff Renormalization of the Chiral Nucleon-nucleon Interaction written by Ehab Marji and published by . This book was released on 2013 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chiral effective field theory is a powerful tool in dealing with nuclear forces in both a systematic and model-independent way. In the recent past, two-, three-, and four-nucleon forces up to next-to-next-to-next-to-leading order (N3 LO) have been derived and and applied fairly successfully in nuclear few- and many-body systems. However, an important issue has been neglected in all of this work: Non-perturbative renormalization, which is crucial to prove the model-independence of the theory. In this thesis, I have have investigated systematically the renormalization of chiral neutron-proton (np) potentials at order NLO and NNLO applying Weinberg counting for the counter terms (NN contact terms). I show that the reproduction of the np data at these energies is generally poor at NLO, while at NNLO the [chi] 2 /datum assumes acceptable values (a clear demonstration of order-by-order improvement). Moreover, at NNLO one observes "plateaus" of constant low [chi]2 for cutoff parameters ranging from 450 to 850 MeV. This may be perceived as cutoff independence (and, thus, successful renormalization) in the relevant range of cutoff parameters. Preliminary results for N3 LO will also be discussed.
Author : Laura Elisa Marcucci
Publisher : Frontiers Media SA
ISBN 13 : 2889663485
Total Pages : 373 pages
Book Rating : 4.8/5 (896 download)
Download or read book The Long-Lasting Quest for Nuclear Interactions: The Past, the Present and the Future written by Laura Elisa Marcucci and published by Frontiers Media SA. This book was released on 2021-01-05 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sunethra Ramanan
Publisher :
ISBN 13 :
Total Pages : 209 pages
Book Rating : 4.:/5 (56 download)
Download or read book Investigations of the Renormalization Group Approach to the Nucleon-nucleon Interaction written by Sunethra Ramanan and published by . This book was released on 2007 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis work has investigated the Renormalization Group theory for the nucleon-nucleon interaction. Conventional nuclear many-body calculations have the following sources of non-perturbative physics: (1) a strongly repulsive short-range interaction, (2) a tensor force, e.g. from pion exchange, which is highly singular at short-distances, (3) the presence of low-energy bound states or nearly bound states (in the S waves).
Author : Pei Liu
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (636 download)
Download or read book Renormalization of the Chiral Nucleon-nucleon Potential written by Pei Liu and published by . This book was released on 2009 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yevgen O. Nosyk
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book The Nucleon-nucleon Interaction in Chiral Effective Field Theory Up to 5th Order (N4LO) written by Yevgen O. Nosyk and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: While attempts to solve the equations of Quantum Chromodynamics (QCD) numerically in the low energy limit are increasingly successful ("lattice QCD"), Chiral Effective Field Theory (ChEFT) remains a potent alternative method for deriving nuclear force potentials. Previous calculations within framework of ChEFT up to 4th order (next-to-next-to-next-to-leading order, N3LO) show generally good agreement with experiment. However, some persistent problems with N3LO potentials as well as the question of order-by-order convergence of ChEFT require calculations up to higher orders. In this work, I present calculations of pion exchange contributions to nucleon-nucleon potentials up to 5th and 6th order (N4LO and N5LO). N4LO calculations solve some of the previous persistent problems and improve the agreement with nucleon-nucleon (NN) scattering experiments in peripheral partial waves. N5LO contributions further improve the agreement with experiment and also turn out to be smaller compared to N4LO, thus showing the trend for convergence. Finally, I present the full NN potential at N4LO, which shows excellent agreement with experimental data in all partial waves and can be applied further in nuclear structure calculations. Since a modified power counting scheme is used for N4LO potential, full NN potentials at NLO, NNLO and N3LO are also recalculated using the modified scheme. This allows for systematic truncation error estimation when applying potentials to calculations of nuclear structure and reactions.
Author : Oliver Thim
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Renormalization Group Invariant Formulation of Chiral Effective Field Theory Applied to the Nucleon-nucleon System written by Oliver Thim and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sabine Lee
Publisher : World Scientific
ISBN 13 : 9814329088
Total Pages : 502 pages
Book Rating : 4.8/5 (143 download)
Download or read book From Nuclei to Stars written by Sabine Lee and published by World Scientific. This book was released on 2011 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a collection of essays of colleagues of Professor G E Brown, covering several areas in cutting-edge physics, to which he himself contributed in research and teaching. These will be among others, nuclear physics and particle physics theory, nuclear physics experiments and astrophysics. It is envisaged to include an introductory biographical chapter authored by the editor, and three shorter reminiscences of prominent colleagues, followed by around 20 contributions from former and current students, postdocs and colleagues.
Author : Evgeny Epelbaum
Publisher :
ISBN 13 :
Total Pages : 201 pages
Book Rating : 4.:/5 (248 download)
Download or read book The Nucleon Nucleon Interaction in a Chiral Effective Field Theory written by Evgeny Epelbaum and published by . This book was released on 2000 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sergey Ketov
Publisher : BoD – Books on Demand
ISBN 13 : 9535100351
Total Pages : 246 pages
Book Rating : 4.5/5 (351 download)
Download or read book Advances in Quantum Field Theory written by Sergey Ketov and published by BoD – Books on Demand. This book was released on 2012-02-03 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum Field Theory is now well recognized as a powerful tool not only in Particle Physics but also in Nuclear Physics, Condensed Matter Physics, Solid State Physics and even in Mathematics. In this book some current applications of Quantum Field Theory to those areas of modern physics and mathematics are collected, in order to offer a deeper understanding of known facts and unsolved problems.
Author : Isao Tanihata
Publisher : Springer Nature
ISBN 13 : 9811963452
Total Pages : 4180 pages
Book Rating : 4.8/5 (119 download)
Download or read book Handbook of Nuclear Physics written by Isao Tanihata and published by Springer Nature. This book was released on 2023-09-04 with total page 4180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook is a comprehensive, systematic source of modern nuclear physics. It aims to summarize experimental and theoretical discoveries and an understanding of unstable nuclei and their exotic structures, which were opened up by the development of radioactive ion (RI) beam in the late 1980s. The handbook comprises three major parts. In the first part, the experiments and measured facts are well organized and reviewed. The second part summarizes recognized theories to explain the experimental facts introduced in the first part. Reflecting recent synergistic progress involving both experiment and theory, the chapters both parts are mutually related. The last part focuses on cosmo-nuclear physics—one of the mainstream subjects in modern nuclear physics. Those comprehensive topics are presented concisely. Supported by introductory reviews, all chapters are designed to present their topics in a manner accessible to readers at the graduate level. The book therefore serves as a valuable source for beginners as well, helping them to learn modern nuclear physics.
Author : Susanne Brigitte Strohmeier
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (119 download)
Download or read book Nucleon-nucleon Interaction with Coupled Nucleon-delta Channels in Chiral Effective Field Theory written by Susanne Brigitte Strohmeier and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Achim Schwenk
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.:/5 (53 download)
Download or read book Renormalization Group Approach to the Nucleon-nucleon Interaction and the Nuclear Many-body Problem written by Achim Schwenk and published by . This book was released on 2002 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. (Niels Bohr Institutet) Kaiser
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (488 download)
Download or read book The Nucleon-nucleon Interaction from a Realistic Pseudoscalar-vector Chiral Lagrangian written by N. (Niels Bohr Institutet) Kaiser and published by . This book was released on 1990 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Mitter
Publisher : Springer Science & Business Media
ISBN 13 : 370918830X
Total Pages : 722 pages
Book Rating : 4.7/5 (91 download)
Download or read book Nucleon-Nucleon and Nucleon-Antinucleon Interactions written by H. Mitter and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the Proceedings of the "XXIV. Inter nationale Universitatswochen fur Kernphysik" held in Schlad ming, Austria, in February 1985. It consists of the written versions of the lectures (3-4 hours) given at this winter school and includes also most of the seminars (30-50 minutes) presented. In choosing the topic for the 1985 meeting, our aim was to give an account of the present understanding of the nucleon-nucleon as well as nucleon-antinucleon inter actions. This field, which is of definite relevance in nuclear and particle physics, has witnessed a rapid develop ment in recent times both in theory and experiment. New evidence has emerged in the whole range from low to extremely high energies. It was an exciting experience to bring to gether knowledge from the very domains of nuclear and high energy physics as well as to meet the respective researchers. Thanks to the efforts of the lecturers, who did a splendid job in presenting the lectures and in preparing their lecture notes, a comprehensive insight into the hadronic interaction between nucleons and anti-nucleons was achieved. The lecture notes were reconsidered by the authors after the meeting and are now being published in their final form. The seminars mainly dealt with specific topics currently under investiga tion within this rather wide field. We are grateful to all authors for their efforts, as they made it possible to speed up the publication of these proceedings.
![Download The Large-N[sub C] Renormalization Group PDF Online Free](https://books.google.com/books/content/images/frontcover/vywLkAEACAAJ?fife=w200-h370)
Download or read book The Large-N[sub C] Renormalization Group written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this talk, we review how effective theories of mesons and baryons become exactly soluble in the large-N[sub c], limit. We start with a generic hadron Lagrangian constrained only by certain well-known large-N[sub c], selection rules. The bare vertices of the theory are dressed by an infinite class of UV divergent Feynman diagrams at leading order in 1/N[sub c]. We show how all these leading-order dia, grams can be summed exactly using semiclassical techniques. The saddle-point field configuration is reminiscent of the chiral bag: hedgehog pions outside a sphere of radius [Lambda][sup [minus]1] ([Lambda] being the UV cutoff of the effective theory) matched onto nucleon degrees of freedom for r [le] [Lambda][sup [minus]1]. The effect of this pion cloud is to renormalize the bare nucleon mass, nucleon-[Delta] hyperfine mass splitting, and Yukawa couplings of the theory. The corresponding large-N[sub c], renormalization group equations for these parameters are presented, and solved explicitly in a series of simple models. We explain under what conditions the Skyrmion emerges as a UV fixed-point of the RG flow as [Lambda] [yields] [infinity].
Author : S D Glazek
Publisher : World Scientific
ISBN 13 : 9814549568
Total Pages : 338 pages
Book Rating : 4.8/5 (145 download)
Download or read book Theory Of Hadrons And Light Front Qcd - Proceedings Of The Fourth International Workshop On Light-front Quantization And Non-perturbative Dynamics written by S D Glazek and published by World Scientific. This book was released on 1995-04-26 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume includes 45 talks and reports from facilitated discussions by outstanding contributors to the theory of hadrons that cover the entire spectrum of computational strategies being developed to solve QCD.A new computational strategy for solving light-front QCD, a strategy which starts with a constituent quark model that can be solved using the weak-coupling methods of QED, is extensively reviewed.
