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Showing 1 to 20 of 191 for “"Mesons"”.
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Scattering and mesons
We present the P-matrix, an alternative method to parameterize the S-matrix, which is particularly useful for low energy meson-meson scattering. We discuss its basic properties and use it to analyze the isospin 0 and 2 s-wave [pi] [pi] scattering. We construct the S-matrix from our analysis and …
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Photoproduction of D± mesons
Submitted by Carolyn Rauber (crauber2@illinois.edu) on 2011-06-01T18:55:09Z No. of bitstreams: 1 1990_lingel.pdf: 15834105 bytes, checksum: cc0ff01cb45621ea6a8d9f5c978cafaf (MD5)
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Photoproduction of D(+,-) mesons
U of I Only
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Nonleptonic decays of charm mesons
Amplitude analyses of the $D\sp{+}$, $D\sbsp{s}{+}\ \to\ K\sp{+}K\sp{-}\pi\sp{+}$ and $D\sp{+}$, $D\sbsp{s}{+}\ \to\ \pi\sp{+}\pi\sp{+}\pi\sp{-}$ Dalitz plots are presented using data collected by the Fermilab high energy photoproduction experiment E687. Our data are fit to a model consisting of a …
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A Relativistic Model for Heavy Mesons
… effective theory, we construct a model for heavy mesons based on a relativistic bound state wave equation, the Gross equation. The kernel we use is based on scalar confining and vector Coulomb potentials. Wave functions are treated to leading order and energies to order 1/<sub>MQ</sub> in the …
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Photoproduction of Neutral Mesons From Hydrogen
Made available in DSpace on 2015-05-12T17:11:57Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0013532.PDF: 4043173 bytes, checksum: 52d85ef5d55dad171fd2c8c60e6b6f28 (MD5) Previous issue date: 1955
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Diffractive hadronic production of D mesons
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-20T20:09:28Z No. of bitstreams: 1 1980_mackay.pdf: 2689452 bytes, checksum: cee9b85e5c3e41a9222515dc68e61aed (MD5)
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Photoproduction of D*± and Dº Mesons
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-11T18:23:07Z No. of bitstreams: 1 1991_jaross.pdf: 15411852 bytes, checksum: 3ed658311ef8b5f547942aaec6c77945 (MD5)
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Four-body semileptonic decays of D mesons
Submitted by Carolyn Rauber (crauber2@illinois.edu) on 2012-01-20T18:29:01Z No. of bitstreams: 1 1993_culbertson.pdf: 4021258 bytes, checksum: 20c8b29e5b491da7cac693bfa4beef66 (MD5)
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Study of Ds and D*s mesons
Hadronic decays of the Ds are studied in e+ e- annihilation at center-of-mass energy 4.14 GeV /c2. The data were collected with the Mark III detector at the storage ring SPEAR at the Stanford Linear Accelerator Center. [Abstract continued in document]
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Photoproduction of D(*,+/-) and D(0) mesons
Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T15:05:02Z Item is restricted indefinitely.
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Photoproduction of [rho]⁰ Mesons on complex nuclei
An experiment was performed on the reaction y + A + A + p0 + A + [pi]+ + [pi]- the DESY 7.5 GeV electron synchrotron. Using a double arm magnetic spectrometer, approximately 106 dipion events were detected on thirteen complex nuclei covering a range from Beryllium to Uranium. The events were in a …
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Pair production of s-wave pi mesons
Thesis (Ph.D.) Massachusetts Institute of Technology. Dept. of Physics, 1956.
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Studies of the Semileptonic Decays of D Mesons
We present new measurements of the branching ratios and decay distributions for the decays D+ → K¯ *0ℓ+nuℓ. We observe an asymmetry in the K¯*0 angular decay distribution that we interpret as evidence for a previously unobserved s-wave K-pi+ amplitude that interferes with the …
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Charmonium and Charmed Mesons With Improved Lattice QCD
… of the properties of charmonium and charmed mesons with lattice QCD. The calculations use improved actions and 2+1 flavors of dynamical quarks. After a review of the relevant phenomenology, I provide an introduction to lattice techniques including the specific actions used in this analysis. …
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Search for semileptonic decays of photoproduced charmed mesons
… a search for photoproduction of charmed D mesons has been done using photons of 100 to 300 GeV. The reaction considered was [equation] s No statistically significant evidence for D production is observed based on the Ksnpi± mass spectrum. The sensitivity of the search is commensurate with …
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Production of charm mesons by high energy neutrons
"The charmed mesons D""'±, DO, and D; have been observed in neutron-nucleus collisions at the FNAL Tevatron. A sample of 134 ± 19 events was investigated in the decay D""'±-+ D°1r± with the subsequent decay mode D°-+ K+ K-. The cross section per nucleon for D""'±, at most probable energy ...;s = 35 …
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Spectroscopy of exotic charm mesons from lattice QCD
Exotic mesons are mesons that cannot be described as a quark-antiquark pair. The number of exotic mesons has been growing every year in the charm sector and the theoretical understanding of them is often conflicted amongst the community. Some possible explanations include hybrid mesons where the …
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Direct measurement of the decays of charmed D mesons
Charmed D mesons produced in the decay of the t/1(3770) are observed by the Mark III detector at SPEAR. A new technique is applied to these data to derive D branching fractions which do not rely on the measurement of D production cross sections. Measurements are presented for three decay modes of …
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Exclusive diffractive dissociation of KL mesons at high energies
… we have observed diffractive dissociation of KL mesons with a carbon target into the exclusive final states Ks pi+pi-, K*(890)+-pi+, Ks Ksw and Kstheta , but not Ks ""t"" The diffractive production cross section for these states is not strongly dependent on incident energy varying at most by 30 …
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