Latest content added for Digital Libraryhttps://digital.library.unt.edu/search/?sort=added_a&t5=dc_subject&q5=%22Deck+Effect%22&searchType=advanced2017-10-15T22:09:52-05:00UNT LibrariesThis is a custom feed for searching Digital LibraryInterpretation of experimental J{sub PC} exotic signals2015-09-12T06:31:14-05:00https://digital.library.unt.edu/ark:/67531/metadc703220/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc703220/"><img alt="Interpretation of experimental J{sub PC} exotic signals" title="Interpretation of experimental J{sub PC} exotic signals" src="https://digital.library.unt.edu/ark:/67531/metadc703220/small/"/></a></p><p>The authors investigate theoretical interpretations of the 1.4 GeV J{sup PC} exotic resonance reported by the E852 collaboration. It is argued that interpretation in terms of a hybrid meson is untenable. A K-matrix analysis shows that the 1.4 GeV enhancement in the E852 {eta}{pi} data can be understood as an interference of a non-resonant Deck-type background and a resonance at 1.6 GeV. A final state rescattering calculation shows that the 1.6 GeV hybrid has a {eta}{pi} width which is bounded above by 57 {+-} 14 MeV.</p>Studies of neutron dissociation at FermiLab energies2016-09-16T00:32:18-05:00https://digital.library.unt.edu/ark:/67531/metadc869390/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc869390/"><img alt="Studies of neutron dissociation at FermiLab energies" title="Studies of neutron dissociation at FermiLab energies" src="https://digital.library.unt.edu/ark:/67531/metadc869390/small/"/></a></p><p>The characteristics of diffraction dissociation of neutrons into p$pi$$sup -$ systems at high energies were examined. A substantial correlation is observed between the mass and the t of the produced system. The spin structure of the p$pi$$sup -$ amplitudes at low mass is very complex, but is described surprisingly well by the simple Deck Mechanism. Both $pi$-exchange and proton-exchange contributions are evident in diffractive production. The t- channel and s-channel helicity amplitudes contain comparable contributions from flip and nonflip terms and the produced states are not restricted to those expected on the basis of the Morrison rule. (auth)</p>Studies of neutron dissociation at Fermilab energies2016-09-21T02:29:59-05:00https://digital.library.unt.edu/ark:/67531/metadc873357/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc873357/"><img alt="Studies of neutron dissociation at Fermilab energies" title="Studies of neutron dissociation at Fermilab energies" src="https://digital.library.unt.edu/ark:/67531/metadc873357/small/"/></a></p><p>None</p>Developments in the phenomenology of two-to-three particle reactions2016-09-21T02:29:59-05:00https://digital.library.unt.edu/ark:/67531/metadc880533/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc880533/"><img alt="Developments in the phenomenology of two-to-three particle reactions" title="Developments in the phenomenology of two-to-three particle reactions" src="https://digital.library.unt.edu/ark:/67531/metadc880533/small/"/></a></p><p>None</p>Decay properties of p$pi$$sup -$ systems produced in neutron dissociation at Fermilab energies2016-09-21T02:29:59-05:00https://digital.library.unt.edu/ark:/67531/metadc881141/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc881141/"><img alt="Decay properties of p$pi$$sup -$ systems produced in neutron dissociation at Fermilab energies" title="Decay properties of p$pi$$sup -$ systems produced in neutron dissociation at Fermilab energies" src="https://digital.library.unt.edu/ark:/67531/metadc881141/small/"/></a></p><p>None</p>Diffraction dissociation of neutrons in np collisions at Fermilab energies2016-09-21T02:29:59-05:00https://digital.library.unt.edu/ark:/67531/metadc873603/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc873603/"><img alt="Diffraction dissociation of neutrons in np collisions at Fermilab energies" title="Diffraction dissociation of neutrons in np collisions at Fermilab energies" src="https://digital.library.unt.edu/ark:/67531/metadc873603/small/"/></a></p><p>None</p>Deck model calculation of $pi$$sup -$p $Yields$ $pi$$sup -$$pi$$sup +$$pi$$sup -$p2017-10-15T22:09:52-05:00https://digital.library.unt.edu/ark:/67531/metadc1024996/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc1024996/"><img alt="Deck model calculation of $pi$$sup -$p $Yields$ $pi$$sup -$$pi$$sup +$$pi$$sup -$p" title="Deck model calculation of $pi$$sup -$p $Yields$ $pi$$sup -$$pi$$sup +$$pi$$sup -$p" src="https://digital.library.unt.edu/ark:/67531/metadc1024996/small/"/></a></p><p>A Deck-like model for the reaction pi /sup -/p yields pi /sup -/ pi / sup +/ pi /sup -/p is formulated and studied. The model differs from previous Deck calculations in two respects: i) experimental data are used for both pi pi and pi N scattering, and ii) the amplitude has proper Bose symmetry. Feature i) allows one to examine any desired region of 3 pi mass (the A/sub 3/ is treated on the same footing as the A/sub 1/); features i) and ii) allow one to examine all the angular dependence in the final state and to compare with partinl wave analyses of experimental data. The results of a study are presented in which events generated from the model by a Monte Carlo method are plotted and fit in the same way as experimental events. Many of the features of the data are qualitatively reproduced including certain important properties obtained from the partial wave analysis in the A/sub 1/ region. The A/sub 3/ region is not accurately representcd by the model. (auth)</p>Critique of the Reggeized deck model2017-10-15T22:09:52-05:00https://digital.library.unt.edu/ark:/67531/metadc1023567/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc1023567/"><img alt="Critique of the Reggeized deck model" title="Critique of the Reggeized deck model" src="https://digital.library.unt.edu/ark:/67531/metadc1023567/small/"/></a></p><p>None</p>Analysis of proton--deuteron interactions at Fermilab energies2017-10-15T22:09:52-05:00https://digital.library.unt.edu/ark:/67531/metadc1020944/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc1020944/"><img alt="Analysis of proton--deuteron interactions at Fermilab energies" title="Analysis of proton--deuteron interactions at Fermilab energies" src="https://digital.library.unt.edu/ark:/67531/metadc1020944/small/"/></a></p><p>None</p>Glauber--Deck model for 3$pi$ production on nuclei2017-10-15T22:09:52-05:00https://digital.library.unt.edu/ark:/67531/metadc1023965/<p><a href="https://digital.library.unt.edu/ark:/67531/metadc1023965/"><img alt="Glauber--Deck model for 3$pi$ production on nuclei" title="Glauber--Deck model for 3$pi$ production on nuclei" src="https://digital.library.unt.edu/ark:/67531/metadc1023965/small/"/></a></p><p>None</p>