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UAB Digital Repository of Documents 38 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
1.
3 p, 274.4 KB η-η'mixing : overview / Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Institut de Física d'Altes Energies
2014
Light Meson Dynamics Workshop. Magúncia, : 2014  
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2.
6 p, 166.1 KB Parametrizations of three-body hadronic B- and D-decay amplitudes / Loiseau, Benoît (Sorbonne Université. Laboratoire de physique nucléaire et de hautes énergies) ; Boito, Diogo (Universidade de São Paulo. Instituto de Física de São Carlos) ; Dedonder, Jean-Pierre (Sorbonne Université. Laboratoire de physique nucléaire et de hautes énergies) ; El-Bennich, Bruno (Universidade Cruzeiro do Sul. Laboratório de Física Teórica e Computacional) ; Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Kamiński, Robert (H. Niewodniczański Institute of Nuclear Physics) ; Leśniak, Leonard (H. Niewodniczański Institute of Nuclear Physics) ; Institut de Física d'Altes Energies
A short review of our recent work on amplitude parametrizations of three-body hadronic weak B and D decays is presented. The final states are here composed of three light mesons, namely the various charge πππ, Kππ and KKK¯ states. [...]
2019 - 10.1051/epjconf/201920206014
EPJ Web of Conferences, Vol. 202 (2019), art. 06014  
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3.
8 p, 144.4 KB Phenomenological test of the large N_c ChPT predictions for the pseudoscalar mixing parameters / Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Institut de Física d'Altes Energies
A phenomenological analysis of various decay processes is performed in order to test the large Nc Chiral Perturbation Theory predictions for the octet and singlet pseudoscalar decay constants and mixing angles. [...]
2006
Acta Physica Polonica B, Vol. 37, no. 3 (2006), p. 867-874  
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4.
4 p, 358.2 KB Short study of the eta-eta' system in the two mixing angle scheme / Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Institut de Física d'Altes Energies
A two mixing angle description of the pseudoscalar decay constants associated to the η-η'system is used to parametrize the theoretical amplitudes of the radiative decays (η,η') → γγ and the coupling constants gV(η,η')γ with V = ρ,ω,φ. [...]
2007 - 10.22323/1.021.0418
Proceedings of Science, Vol. HEP2005 (2007), art. 418  
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5.
6 p, 151.1 KB A rational approach to η AND η' transition form factors / Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Institut de Física d'Altes Energies
The η and η 0 transition form factors in the space-like region are analyzed at low and intermediate energies in a model-independent way through the use of rational approximants. The slope and curvature parameters of the form factors as well as their values at infinity are extracted from experimental data. [...]
2014 - 10.1142/S2010194514603986
International Journal of Modern Physics: Conference Series, Vol. 35 (2014), art. 1460398  
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6.
17 p, 354.4 KB Study of the η-η' system in the two mixing angle scheme / Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Frère, Jean Marie (Université Libre de Bruxelles. Service de Physique Théorique) ; Institut de Física d'Altes Energies
An analysis of various decay processes is performed using the two mixing angle description of the η-η' system, incorporating the link to the gluonic sector through anomalies. The agreement is excellent. [...]
2005 - 10.1088/1126-6708/2005/06/029
Journal of high energy physics, Vol. 2005 (June 2005), art. 29  
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7.
6 p, 240.7 KB Two mixing angle description of radiative VPgamma decays / Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Institut de Física d'Altes Energies
An analysis of various radiative VPγ decays is performed using the two mixing angle description of the η-η' system. The agreement is excellent. Our results are expressed both in the ''octet-singlet'' and in the ''quark-flavour'' basis. [...]
2005 - 10.1016/j.nuclphysbps.2006.11.105
Nuclear Physics B - Proceedings Supplements, Vol. 164 (Feb. 2007), p. 109-112  
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8.
6 p, 183.6 KB A first prediction of the electromagnetic rare decays η'→π0γγ and η'→ηγγ / Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Institut de Física d'Altes Energies
The branching ratio of the electromagnetic rare decays η→π0γγ and η'→(π0,η)γγ are analysed in terms of scalar and vector meson exchange contributions using the frameworks of the Linear Sigma Model and Vector Meson Dominance, respectively. [...]
2012 - 10.22323/1.157.0079
Proceedings of Science, Vol. QNP2012 (2012), art. 079  
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9.
6 p, 256.4 KB Eta' gluonic content and J/psi->VP decays / Escribano, Rafel (Universitat Autònoma de Barcelona. Departament de Física) ; Institut de Física d'Altes Energies
The η- pseudoscalar mixing angle and the gluonium content of the meson are deduced from an updated phenomenological analysis of decays into a vector and a pseudoscalar meson. In absence of gluonium, the value of the mixing angle in the quark-flavour basis is found to be. [...]
2008 - 10.1016/j.nuclphysbps.2008.09.041
Nuclear Physics B - Proceedings Supplements, Vol. 181-182 (Sep. 2008), p. 226-230  
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10.
Com fer un ordinador quàntic? / López-Núñez, David ; Institut de Física d'Altes Energies
En aquesta xerrada t'explicarem perquè hauries de voler tenir (o no) un ordinador quàntic. Introduirem la física quàntica i com, a partir d'aquesta, podem realitzar operacions lògiques i resoldre problemes. [...]
2022 (Dissabtes de la Física)
2 documents
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