NDLTD logo NDLTD Union Catalog and Global ETD Search

Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 20 of 30 for “"Strange quark"”.

  1. The mass of the strange quark

    Van Gend, CarelDepartment of Physics1991

    … transform sum rules are used to determine the strange-quark mass. We use improved QCD input and experimental data to obtain for the invariant mass: mₛ= 266 ± 29 MeV, or for the running mass at 1 GeV: mₛ(1 GeV) = 194 ± 4 MeV.

    cape-town Repository record

  2. Strange Quark Suppression in 225 Gev/c Negative Pion Beryllium Interactions

    Schoessow, Paul V.University of Illinois at Urbana-Champaign2015

    … the observed (phi)/(omega) production ratio, the strange quark suppression factor (lamda) was determined to be 0.31 (+OR-) 0.05, in good agreement with a world average of about 0.29.

    uiuc Repository record

  3. Strange quark suppression in 225 GEV/C pi-minus beryllium interactions

    Schoessow, Paul V.2011

    … via their decays into pi+pi- ratio, the strange quark suppression factor.A was determined to be 0.31 ± 0.05, in good agreement with a world average of about 0.29.

    uiuc Repository record

  4. A search for strange quark matter in the -0.75T field setting of E864

    Van Buren, Gene Edward, 1971-Massachusetts Institute of Technology1998

    … was designed as a high sensitivity search for strange quark matter produced in heavy ion collisions at the AGS accelerator at Brookhaven National Laboratory. In this thesis, we analyze data taken at the -0.75T field setting of the experiment, which is optimal for finding negatively charged …

    mit Repository record

  5. Measurement of the Strange Quark Contribution to Proton Structure Through Parity Violating Electron -Proton Scattering

    Nakahara, KazutakaUniversity of Illinois at Urbana-Champaign2015

    … positive value for the linear combination of the strange form factors is seen.

    uiuc Repository record

  6. Measurement of the strange quark contribution to proton structure through parity violating electron-proton scattering

    Nakahara, Kazutaka2012

    Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-26T21:09:27Z No. of bitstreams: 1 Nakahara_Kazutaka.pdf: 6364023 bytes, checksum: 95e2dbf91d0ddd898fcd27bbef85e892 (MD5)

    uiuc Repository record

  7. Strange quark contributions to nucleon electric and magnetic form factors from parity-violating electron scattering asymmetries in the backward angle g0 experiment

    Muether, Mathew O.University of Illinois at Urbana-Champaign2010

    … 0.63 GeV^2. These asymmetries are sensitive to strange quark contributions to electric and magnetic properties of the nucleon, as well as to the axial current of the nucleon. The measurements were made using the polarized beam at Jefferson Laboratory by detecting electrons scattered at ~110 …

    uiuc Repository record

  8. Parity-Violating Elastic Electron Nucleon Scattering: Measurement of the Strange Quark Content of the Nucleon and Towards a Measurement of the Weak Charge of the Proton

    Mammei, Juliette MaeVirginia Tech2010

    … the fully separated contributions of the strange quark to the charge and magnetization distributions of the nucleon at two different values of four-momentum transfer, Q² ~ 0.22 and 0.63 GeV²/c². The measurement of the strange quark content of the proton in the G⁰ experimental program and …

    vt Repository record

  9. Gapless color superconductivity

    Kouvaris, Christoforos NMassachusetts Institute of Technology2005

    … phase, a possible new phase of dense and cold quark matter. At high enough densities, quarks interact with each other and form pairs similarly to electrons in superconductors. This phenomenon in the case of quark matter is called Color Superconductivity. Color superconducting matter must be …

    mit Repository record

  10. Flavour SU(3) symmetry breaking in quantum chromodynamics

    Ramlakan, AlastairDepartment of Physics2000

    … the QeD vacuum, as measured by the ratio of the strange to non-strange quark vacuum condensates <ss>/<uu> (with <ūu>

    cape-town Repository record

  11. Nonperturbative aspects of kaon structure

    Hutauruk, Parada Tobel Paraduan2016

    … regularisation scheme to simulate the effect of quark confinement. The separate contributions of each flavour to the elastic form factor are calculated with and without the effect of dressing at the quark-photon vertex. In comparison with the existing experimental data, our model shows a …

    adelaide Repository record

  12. The chiral phase transition of QCD with 2+1 flavors : a lattice study on Goldstone modes and universal scaling

    Unger, WolfgangUniversität Bielefeld

    … transition of QCD with two degenerate light quark masses and a strange quark mass close to its physical value. We analyze the quark mass dependence of the chiral condensate and chiral susceptibilities close to the transition temperature. The analysis is twofold: First we provide evidence for …

    bielefeld Repository record

  13. The Staggered Chiral Perturbation Theory In The Two-Flavor Case And Su(2) Chiral Analysis Of The Milc Data

    Du, Xining2010

    … accepted theory to describe the physics of quarks and gluons. Formulating QCD on finite discrete lattices in Euclidean space-time not only enables one to study the theory non-perturbatively, but also provides a framework analogous to statistical systems, in which numerical methods can be …

    wustl Repository record

  14. A Study of the Λ(1405) in Lattice QCD

    Menadue, Benjamin Jason2018

    … mass. Even though it contains a heavier valence strange quark and has odd parity, with an energy of 1405 MeV it lies lower than any other excited spin-1/2 baryon. In the almost 50 years since its discovery there has been significant effort expended to describe the structure of the Λ(1405), …

    adelaide Repository record

  15. Two key questions about color superconductivity

    Kundu, Joydip, 1977-Massachusetts Institute of Technology2004

    … What are the effects of the large strange quark mass, and what are the observable consequences of color superconductivity? Motivated by the first question, we study crystalline color superconductivity. We adapt the Nambu-Gor'kov formalism to study this phase, and go on to examine …

    mit Repository record

  16. Equation of state of rotating neutron stars

    Husain, Wasif2019

    … has been constructed, which is based on the Quark-Meson Coupling model (QMC model), using the method developed by Hartle for slowly rotating compact stars. To determine tidal Love number method suggested by ’Hinderer’ is adopted. In this thesis, neutron star properties are calculated at the …

    adelaide Repository record

  17. A Measurement of the Proton Weak Magnetic Form Factor (G(m)(z)) at Q(2)=0.1 GeV(2)/c(2)

    Forest, Tony AndrewUniversity of Illinois at Urbana-Champaign2015

    … calculations of weak radiative corrections. The strange quark contribution to the proton magnetic form factor GsM has been determined from the weak magnetic form factor. After applying model dependent radiative corrections, the value determined is GsMQ2=0.1G eV2/c2=0.49+/- 0.62+/-0.17+/-0.10m N. …

    uiuc Repository record

  18. Calculation of the axial charge of a heavy nucleon in Lattice QCD

    Pefkou, Dimitra AnastasiaMassachusetts Institute of Technology2016

    … axial charge gA of a heavy nucleon made out of quarks at the physical mass of the strange quark. We present the framework of Lattice QCD which makes the calculation of such observables attainable from first principles. The data used for the estimation of gA were obtained on a 243 x64 hypercubic …

    mit Repository record

  19. Meson Photo-Couplings From Lattice Quantum Chromodynamics

    Shultz, Christian J. P.2019

    … arising within the context of the constituent quark model before transitioning to a lattice calculation of the spectrum of isovector mesons in a version of QCD featuring three flavors of quarks all tuned to approximately the physical strange quark mass. We then proceed to calculate radiative …

    odu Repository record

  20. Measurement of the Drell--Yan differential cross section with the CMS detector at the LHC

    Svyatkovskiy, Alexey

    … fits provides substantial constraints for the strange quark and the light sea quark distribution functions in a region of phase space which has not been accessible at hadron colliders in the past.</p>

    purdue-thes Repository record

Page 1 of 2