Thomas-Fermi Model for Mesons and Noise Subtraction Techniques in Lattice QCD / Suman Baral

By:

Baral, Suman [VerfasserIn]

Resource type: Ressourcentyp: Buch (Online)Book (Online)Language: English Series: Springer Theses Recognizing Outstanding Ph.D. Research | Springer Theses, Recognizing Outstanding Ph.D. Research | Springer eBooks Physics and Astronomy | Springer eBook CollectionPublisher: Cham : Springer, [2019]Copyright date: © 2019Description: 1 Online-Ressource (IX, 72 Seiten) : Illustrationen, DiagrammeISBN:

9783030309046

Subject(s): Genre/Form:

Hochschulschrift

Additional physical formats: 9783030309039 | Erscheint auch als: 978-3-030-30903-9 Druck-AusgabeMSC: MSC: *81-02 | 81V05LOC classification:

QC793-793.5 QC174.45-174.52

DOI: DOI: 10.1007/978-3-030-30904-6Online resources:

Dissertation note: Dissertation - Baylor University Summary: This thesis make significant contributions to both the numerical and analytical aspects of particle physics, reducing the noise associated with matrix calculations in quantum chromodynamics (QCD) and modeling multi-quark mesonic matters that could be used to investigate particles previously unseen in nature. Several methods are developed that can reduce the statistical uncertainty in the extraction of hard-to-detect lattice QCD signals from disconnected diagrams. The most promising technique beats competing methods by 1700 percent, leading to a potential decrease in the computation time of quark loop quantities by an order of magnitude. This not only increases efficiency but also works for QCD matrices with almost-zero eigenvalues, a region where most QCD algorithms break down. This thesis also develops analytical solutions used to investigate exotic particles, specifically the Thomas-Fermi quark model, giving insight into possible new states formed from mesonic matter. The main benefit of this model is that it can work for a large number of quarks which is currently almost impossible with lattice QCD. Patterns of single-quark energies are observed which give the first a priori indication that stable octa-quark and hexadeca-quark versions of the charmed and bottom Z-meson existPPN: PPN: 1684970377Package identifier: Produktsigel: ZDB-2-PHA | ZDB-2-SEB | ZDB-2-SXP

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