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Untersuchung von Proton-Proton-Reaktionen an der Pion-Produktionsschwelle mit dem COSY-TOF-SpektrometerJakob, Bettina. Unknown Date (has links) (PDF)
Techn. Universiẗat, Diss., 2002--Dresden.
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Radiative corrections to hadron production in e+e- annihilations at DA_Ph63NE energiesHoefer, Axel. Unknown Date (has links) (PDF)
Humboldt-University, Diss., 2002--Berlin.
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Antiproton proton annihilation in flight into K+K-0Uman, Ismail. Unknown Date (has links) (PDF)
University, Diss., 2001--München.
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Two pion correlations at the STAR experimentFlierl, Dominik Bernhard. Unknown Date (has links)
University, Diss., 2003--Frankfurt (Main).
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The decay of the gp system into the p0j final stateHorn, Igor. Unknown Date (has links) (PDF)
University, Diss., 2004--Bonn.
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Investigation of exclusive photoproduction of j-r0 and 0-r0 meson pairs at HERATomasz, Filip. Unknown Date (has links)
University, Diss., 2005--Heidelberg.
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Photoproduktion neutraler Pionpaare mit dem Crystal-Barrel-Detektor an ELSAFuchs, Michael. Unknown Date (has links) (PDF)
Universiẗat, Diss., 2005--Bonn.
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Hadronic spectrum of tau lepton to antipion-neutral pion-tau neutrino decaysRahmat, Rahmat, 1974- 09 1900 (has links)
xix, 149 p. ; ill. (some col.) A print copy of this title is available through the UO Libraries. Search the library catalog for the location and call number. / We report on a study of the invariant mass spectrum of the hadronic system in à - [arrow right] à - à 0 à à à à à ½ à decays. This study was performed using data obtained with the BABAR detector operating at the PEP-II e + e - collider. We present fits to phenomenological models in which resonance parameters associated with the à (770), à '(1450) and à "(1700) mesons are determined. We also discuss the implications of our data with regard to estimates of the hadronic contribution to the muon anomalous magnetic moment. / Adviser: Eric Torrence
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Interação nucleon-nucleon devida à troca de três píons e produção de um píon devida à troca de dois píonsPupin, Joel César [UNESP] 02 1900 (has links) (PDF)
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pupin_jc_dr_ift.pdf: 1428942 bytes, checksum: d6abaa838d7800612f4a795ffa313ad7 (MD5) / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / Utilizando a simetria quiral, calculamos a contribuição dominante ao potencial nucleon-nucleon (NN) devido à troca de três píons não correlacionados. Esta contribuição é isovetorial com as componentes pseudoescalar e axial. A pseudoescalar é dominante, tem um alcance de 1.0 fm e contribui no canal de píon. No mesmo contexto, estudamos a produção de um píon na interação nucleon-nucleon devida à troca de dois píons. O termo dominante do Kernel da produção é construído a partir da mesma interação básica usada no potencial NN devido à troca de três píons. Relacionamos este termo à componente central do potencial NN devido à troca de dois píons e mostramos que esta, por sua vez, é dominada pelo fator de forma escalar píon-nucleon. O Kernel obtido foi aplicado para o limiar da produção e na construção de um potencial de três nucleons. Os resultados foram generalizados para um potencial NN central qualquer e comparados ao potencial de Argonne e àquele devido à troca de um méson escalar...ctício / Abstracts: Using the chiral symmetry, we calculated the dominant contribution to the nucleon-nucleon (NN) potential due to the exchange of three non-correlated pions (3o). This contribution is isovetor with pseudoscalar and axial components. The pseudoscalar component is dominant, it has a range of 1.0 fm and it contributes in the pion channel. In the same context, we studied the pion production in the nucleon-nucleon interaction due to the exchange of two pions (2o). The dominant term of the production Kernel is built from the same basic interaction used in the 3o-exchange NN potential. We related this term to the central component of the 2o-exchange NN potential and we showed that the latter, on its turn, is dominated by the pion-nucleon scalar form factor. The obtained Kernel was applied at the threshold and in the constructioin of a three-nucleon potential. The results were generalized foa a central NN potential of any kind and compared to the potentials of Argonne and to that due to the exchange of one ...ctitious scalar meson
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Pion Photo- and Electro-production from the NucleonCaia, George Laurentiu 24 November 2004 (has links)
No description available.
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