About: Parameters of scalar resonances from the combined analysis of data on processes pi pi -> pi pi, K(K)over-bar, eta eta and J/psi decays

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About: Parameters of scalar resonances from the combined analysis of data on processes pi pi -> pi pi, K(K)over-bar, eta eta and J/psi decays Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A combined analysis of data on the isoscalar S-wave processes pi pi -> pi pi, K (K) over bar, eta eta and on decays J/psi -> phi pi pi, phi K (K) over bar from the DM2, Mark III, and BES II Collaborations is performed to study f(0) mesons. The method of analysis is based on analyticity and unitarity and uses an uniformization procedure. In the analysis limited only to the multichannel pi pi-scattering data, two possible sets of parameters of the f(0)(500) were found: In both cases the mass was about 700 MeV but the total width was either about 680 or 1040 MeV. The extension of the analysis using only the DM2 and Mark III data on the J/psi decays does not allow us to choose between these sets. However, the data from BES II on the di-pion mass distribution in the decay J/psi -> phi pi(+)pi(-) clearly prefer the wider f(0)(500) state. Spectroscopic implications from the results of the analysis are also discussed. A combined analysis of data on the isoscalar S-wave processes pi pi -> pi pi, K (K) over bar, eta eta and on decays J/psi -> phi pi pi, phi K (K) over bar from the DM2, Mark III, and BES II Collaborations is performed to study f(0) mesons. The method of analysis is based on analyticity and unitarity and uses an uniformization procedure. In the analysis limited only to the multichannel pi pi-scattering data, two possible sets of parameters of the f(0)(500) were found: In both cases the mass was about 700 MeV but the total width was either about 680 or 1040 MeV. The extension of the analysis using only the DM2 and Mark III data on the J/psi decays does not allow us to choose between these sets. However, the data from BES II on the di-pion mass distribution in the decay J/psi -> phi pi(+)pi(-) clearly prefer the wider f(0)(500) state. Spectroscopic implications from the results of the analysis are also discussed. (en)
Title	Parameters of scalar resonances from the combined analysis of data on processes pi pi -> pi pi, K(K)over-bar, eta eta and J/psi decays Parameters of scalar resonances from the combined analysis of data on processes pi pi -> pi pi, K(K)over-bar, eta eta and J/psi decays (en)
skos:prefLabel	Parameters of scalar resonances from the combined analysis of data on processes pi pi -> pi pi, K(K)over-bar, eta eta and J/psi decays Parameters of scalar resonances from the combined analysis of data on processes pi pi -> pi pi, K(K)over-bar, eta eta and J/psi decays (en)
skos:notation	RIV/61389005:_____/14:00428163!RIV15-GA0-61389005
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP203/12/2126), P(LG14004)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bydžovský, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	35730
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/14:00428163
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	multichannel amplitude; light scalar and pseudoscalar mesons; pion-pion scattering; meson decay (en)
http://linked.open.../riv/klicoveSlovo	pion-pion scattering light scalar and pseudoscalar mesons meson decay multichannel amplitude
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[F4EAD831AF75]
http://linked.open...i/riv/nazevZdroje	Physical Review D: Particles, Fields, Gravitation and Cosmology
http://linked.open...in/vavai/riv/obor	BE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Microscopic models for the description of hadronic systems Cooperation of Czech Republic with JINR Dubna in the theoretical and nuclear physics and application of nuclear methods in other fields
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	89
http://linked.open...iv/tvurceVysledku	Bydžovský, Petr Lyubovitskij, V. E. Kaminski, R. Nagy, M. Surovtsev, Yu .S.
http://linked.open...ain/vavai/riv/wos	000332163900007
issn	1550-7998
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevD.89.036010

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