Hauptseite > Publikationsdatenbank > Reaction pp -> pp pi pi pi as a background for hadronic decays of the eta ' meson > print

001     19480
005     20200423203133.0
024 7 _ |a 10.1140/epja/i2011-11093-4
|2 DOI
024 7 _ |a WOS:000295170900010
|2 WOS
024 7 _ |a arXiv:1107.4278
|c hep-ex
|2 arXiv
024 7 _ |a 2128/10274
|2 Handle
024 7 _ |a altmetric:194497
|2 altmetric
035 _ _ |a arXiv:1107.4278
|9 arXiv
|c hep-ex
037 _ _ |a PreJuSER-19480
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |a Physics, Nuclear
|2 WoS
084 _ _ |a Physics, Particles & Fields
|2 WoS
084 _ _ |a 13.60.Le
|2 PACS
084 _ _ |a 13.75.-n
|2 PACS
084 _ _ |a 13.85.Lg
|2 PACS
084 _ _ |a 25.40.-h
|2 PACS
084 _ _ |a 29.20.Dh
|2 PACS
100 1 _ |a Zielinski, M. J.
|b 0
|0 P:(DE-HGF)0
245 _ _ |a Reaction pp -> pp pi pi pi as a background for hadronic decays of the eta ' meson
260 _ _ |a Berlin
|b Springer
|c 2011
300 _ _ |a 93
336 7 _ |a Journal Article
|0 PUB:(DE-HGF)16
|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
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440 _ 0 |a European Physical Journal A
|x 1434-6001
|0 1981
|y 8
|v 47
500 _ _ |a The work was partially supported by the European Commission through the Research Infrastructures action of the Capacities Program. Call: FP7-INFRASTRUCTURES-2008-1, Grant Agreement No. 227431, by the PrimeNet, by the FFE grants from the Research Center Julich, by the MPD programme of the Foundation for Polish Science through structural funds of the European Union and by the DOCTUS programme of Malopolskie Centre of Entrepreneurship through structural funds of the European Union.
520 _ _ |a Isospin violating hadronic decays of the eta and eta ' mesons into 3 pi mesons are driven by a term in the QCD Lagrangian proportional to the mass difference of the d and u quarks. The source giving large yield of the mesons for such decay studies are pp interactions close to the respective kinematical thresholds. The most important physics background for eta, eta ' -> pi pi pi is coming from direct three-pion production reactions. In case of the eta meson the background for the decays is relatively low (approximate to 10%). The purpose of this article is to provide an estimate of the direct pion production background for the eta ' -> 3 pi decays. Using the inclusive data from the COSY-11 experiment we have extracted the differential cross-section for the pp -> pp-multipion production reactions with the invariant mass of the pions equal to the eta ' meson mass and estimated an upper limit for the signal to background ratio for studies of the eta ' -> pi(+)pi(-)pi(0)decay.
536 _ _ |a Physik der Hadronen und Kerne
|0 G:(DE-Juel1)FUEK413
|c P53
|2 G:(DE-HGF)
|x 0
536 _ _ |a HADRONPHYSICS2 - Study of Strongly Interacting Matter (227431)
|0 G:(EU-Grant)227431
|c 227431
|x 1
|f FP7-INFRASTRUCTURES-2008-1
588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a background: upper limit
|2 INSPIRE
650 _ 7 |a eta(958): rare decay
|2 INSPIRE
650 _ 7 |a pi: multiple production
|2 INSPIRE
650 _ 7 |a isospin: violation
|2 INSPIRE
650 _ 7 |a differential cross section
|2 INSPIRE
650 _ 7 |a missing-mass
|2 INSPIRE
650 _ 7 |a kinematics
|2 INSPIRE
650 _ 7 |a COSY-11
|2 INSPIRE
650 _ 7 |a p p: inelastic scattering
|2 INSPIRE
650 _ 7 |a eta: hadroproduction
|2 INSPIRE
650 _ 7 |a threshold
|2 INSPIRE
650 _ 7 |a mass spectrum: (3pi)
|2 INSPIRE
650 _ 7 |a channel cross section: energy dependence
|2 INSPIRE
650 _ 7 |a experimental results
|2 INSPIRE
650 _ 7 |a Juelich COSY PS
|2 INSPIRE
650 _ 7 |a p p --> 2p anything
|2 INSPIRE
650 _ 7 |a p p --> 2p pi+ pi- pi0
|2 INSPIRE
650 _ 7 |a eta --> pi+ pi- pi0
|2 INSPIRE
700 1 _ |a Moskal, P.
|b 1
|u FZJ
|0 P:(DE-Juel1)VDB1093
700 1 _ |a Kupsc, A.
|b 2
|0 P:(DE-HGF)0
773 _ _ |a 10.1140/epja/i2011-11093-4
|g Vol. 47, p. 93
|p 93
|q 47<93
|0 PERI:(DE-600)1459066-9
|t The @European physical journal / A
|v 47
|y 2011
|x 1434-6001
856 7 _ |u http://dx.doi.org/10.1140/epja/i2011-11093-4
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913 1 _ |a DE-HGF
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