A study of the $\eta\pi^{+}\pi^{-}$ channel produced in central pp interactions at 450 GeV/c

D. Barberis; F G. Binon; F E. Close; K M. Danielsen; S V. Donskov; B C. Earl; D. Evans; B R. French; T. Hino; S. Inaba; A. Jacholkowski; T. Jacobsen; G V. Khaustov; J B. Kinson; A. Kirk; a A. Kondashov; a A. Lednev; V. Lenti; I. Minashvili; J P. Peigneux; V. Romanovsky; N. Russakovich; A. Semenov; P M. Shagin; H. Shimizu; a V. Singovsky; A. Sobol; M. Stassinaki; J P. Stroot; K.. Takamatsu; T. Tsuru; O. Villalobos Baillie; M F. Votruba; Y. Yasu

Journal Articles Physics Letters B Year : 2000

A study of the $\eta\pi^{+}\pi^{-}$ channel produced in central pp interactions at 450 GeV/c

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D. Barberis

Function : Author

F G. Binon

Function : Author

F E. Close

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K M. Danielsen

Function : Author

S V. Donskov

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B C. Earl

Function : Author

D. Evans

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B R. French

Function : Author

T. Hino

Function : Author

S. Inaba

Function : Author

A. Jacholkowski

Function : Author

T. Jacobsen

Function : Author

G V. Khaustov

Function : Author

J B. Kinson

Function : Author

A. Kirk

Function : Author

a A. Kondashov

Function : Author

a A. Lednev

Function : Author

V. Lenti

Function : Author

I. Minashvili

Function : Author

J P. Peigneux

Function : Author

Laboratoire d'Annecy de Physique des Particules

V. Romanovsky

Function : Author

N. Russakovich

Function : Author

A. Semenov

Function : Author

P M. Shagin

Function : Author

H. Shimizu

Function : Author

a V. Singovsky

Function : Author

Laboratoire d'Annecy de Physique des Particules

A. Sobol

Function : Author

M. Stassinaki

Function : Author

J P. Stroot

Function : Author

K.. Takamatsu

Function : Author

T. Tsuru

Function : Author

O. Villalobos Baillie

Function : Author

M F. Votruba

Function : Author

Y. Yasu

Function : Author

Abstract

The reaction pp -> pf (eta pi pi) ps has been studied at 450 GeV/c. There is clear evidence for an a2(1320)pi decay mode of the eta2(1645) and eta2(1870). In addition, there is evidence for an a0(980)pi$ decay mode of both resonances and an f2(1270)eta decay mode of the eta2(1870). No evidence is found for a JPC = 2++ a2(1320)pi wave.

Keywords

scientific information standards electronique document

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High Energy Physics - Experiment [hep-ex]

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Submitted on : Friday, May 26, 2000-3:42:45 PM

Last modification on : Friday, June 2, 2023-3:36:26 PM

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in2p3-00005399 , version 1 (26-05-2000)

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HAL Id : in2p3-00005399 , version 1

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D. Barberis, F G. Binon, F E. Close, K M. Danielsen, S V. Donskov, et al.. A study of the $\eta\pi^{+}\pi^{-}$ channel produced in central pp interactions at 450 GeV/c. Physics Letters B, 2000, 471, pp.435-439. ⟨in2p3-00005399⟩

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A study of the $\eta\pi^{+}\pi^{-}$ channel produced in central pp interactions at 450 GeV/c

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