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From the same journal

Measurement of the η → 3 π0 Dalitz plot distribution with the WASA detector at COSY

Research output: Contribution to journalArticle

Published copy (DOI)

Author(s)

  • C. Adolph
  • M. Angelstein
  • U. Bechstedt
  • S. Belostotski
  • M. Berłowski
  • H. Bhatt
  • J. Bisplinghoff
  • A. Bondar
  • B. Borasoy
  • M. Büscher
  • H. Calén
  • K. Chandwani
  • H. Clement
  • E. Czerwiński
  • R. Czyzykiewicz
  • G. D'Orsaneo
  • D. Duniec
  • C. Ekström
  • R. Engels
  • W. Erven
  • W. Eyrich
  • P. Fedorets
  • O. Felden
  • K. Fransson
  • D. Gil
  • F. Goldenbaum
  • K. Grigoryev
  • A. Heczko
  • C. Hanhart
  • V. Hejny
  • F. Hinterberger
  • M. Hodana
  • B. Höistad
  • A. Izotov
  • M. Jacewicz
  • M. Janusz
  • B. R. Jany
  • L. Jarczyk
  • T. Johansson
  • B. Kamys
  • G. Kemmerling
  • I. Keshelashvili
  • O. Khakimova
  • A. Khoukaz
  • K. Kilian
  • N. Kimura
  • S. Kistryn
  • J. Klaja
  • P. Klaja
  • H. Kleines
  • B. Klos
  • A. Kowalczyk
  • F. Kren
  • W. Krzemień
  • P. Kulessa
  • S. Kullander
  • A. Kupść
  • A. Kuzmin
  • V. Kyryanchuk
  • J. Majewski
  • H. Machner
  • A. Magiera
  • R. Maier
  • P. Marciniewski
  • W. Migdał
  • U. G. Meißner
  • M. Mikirtychiants
  • O. Miklukho
  • N. Milke
  • M. Mittag
  • P. Moskal
  • B. K. Nandi
  • A. Nawrot
  • R. Nißler
  • M. A. Odoyo
  • W. Oelert
  • H. Ohm
  • N. Paul
  • C. Pauly
  • Y. Petukhov
  • N. Piskunov
  • P. Pluciński
  • P. Podkopał
  • A. Povtoreyko
  • D. Prasuhn
  • A. Pricking
  • K. Pysz
  • J. Rachowski
  • T. Rausmann
  • C. F. Redmer
  • J. Ritman
  • R. J.M.Y. Ruber
  • Z. Rudy
  • R. Salmin
  • S. Schadmand
  • A. Schmidt
  • H. Schneider
  • W. Schroeder
  • W. Scobel
  • T. Sefzick
  • V. Serdyuk
  • M. Siemaszko
  • R. Siudak
  • T. Skorodko
  • T. Smoliński
  • J. Smyrski
  • V. Sopov
  • D. Spölgen
  • J. Stepaniak
  • G. Sterzenbach
  • H. Ströher
  • A. Szczurek
  • A. Teufel
  • T. Tolba
  • A. Trzciński
  • K. Ulbrich
  • R. Varma
  • P. Vlasov
  • W. Weglorz
  • A. Winnemöller
  • A. Wirzba
  • M. Wolke
  • A. Wrońska
  • P. Wüstner
  • A. Yamamoto
  • H. Yamaoka
  • X. Yuan
  • L. Yurev
  • J. Zabierowski
  • M. J. Zieliński
  • W. Zipper
  • J. Złomańczuk
  • K. Zwoll
  • I. Zychor

Department/unit(s)

Publication details

JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
DatePublished - 15 Jun 2009
Issue number1-2
Volume677
Number of pages6
Pages (from-to)24-29
Original languageEnglish

Abstract

In the first production run of the WASA experiment at COSY, the eta decay into three neutral pions was measured in proton-proton interactions at a proton beam kinetic energy of 1.4 GeV. The Dalitz plot of the three pions was studied using 1.2 × 105 fully reconstructed events, and the quadratic slope parameter α was determined to be - 0.027 ± 0.008 (stat) ± 0.005 (syst). The result is consistent with previous measurements and further corroborates the importance of pion-pion final state interactions.

    Research areas

  • η, η → 3 π, Dalitz plot

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