By the same authors

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From the same journal

Abashian-booth-crowe effect in basic double-pionic fusion: A new resonance?

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Published copy (DOI)

Author(s)

  • P. Adlarson
  • C. Adolph
  • W. Augustyniak
  • V. Baru
  • T. Bednarski
  • F. S. Bergmann
  • M. Berłowski
  • H. Bhatt
  • K. T. Brinkmann
  • M. Büscher
  • H. Calén
  • H. Clement
  • D. Coderre
  • E. Czerwiński
  • E. Doroshkevich
  • C. Ekström
  • R. Engels
  • W. Erven
  • W. Eyrich
  • P. Fedorets
  • K. Föhl
  • K. Fransson
  • F. Goldenbaum
  • P. Goslawski
  • K. Grigoryev
  • V. Grishina
  • C. O. Gullström
  • J. Hampe
  • C. Hanhart
  • L. Heijkenskjöld
  • V. Hejny
  • F. Hinterberger
  • M. Hodana
  • B. Höistad
  • M. Jacewicz
  • M. Janusz
  • A. Jany
  • B. R. Jany
  • L. Jarczyk
  • T. Johansson
  • B. Kamys
  • G. Kemmerling
  • O. Khakimova
  • A. Khoukaz
  • S. Kistryn
  • J. Klaja
  • H. Kleines
  • B. Kłos
  • F. Kren
  • W. Krzemień
  • P. Kulessa
  • S. Kullander
  • A. Kupć
  • K. Lalwani
  • B. Lorentz
  • A. Magiera
  • R. Maier
  • P. Marciniewski
  • B. Mariański
  • M. Mikirtychiants
  • P. Moskal
  • H. P. Morsch
  • B. K. Nandi
  • S. Niedžwiecki
  • H. Ohm
  • A. Passfeld
  • C. Pauly
  • E. Perez Del Rio
  • Y. Petukhov
  • N. Piskunov
  • P. Pluciński
  • P. Podkopał
  • A. Povtoreyko
  • D. Prasuhn
  • A. Pricking
  • K. Pysz
  • T. Rausmann
  • C. F. Redmer
  • J. Ritman
  • R. J.M.Y. Ruber
  • Z. Rudy
  • S. Sawant
  • S. Schadmand
  • A. Schmidt
  • W. Schroeder
  • T. Sefzick
  • V. Serdyuk
  • M. Siemaszko
  • R. Siudak
  • T. Skorodko
  • M. Skurzok
  • J. Smyrski
  • V. Sopov
  • R. Stassen
  • J. Stepaniak
  • G. Sterzenbach
  • H. Stockhorst
  • H. Ströher
  • A. Szczurek
  • A. Täschner
  • T. Tolba
  • A. Trzciński
  • R. Varma
  • P. Vlasov
  • G. J. Wagner
  • W. Wȩglorz
  • A. Winnemöller
  • A. Wirzba
  • M. Wolke
  • A. Wrońska
  • P. Wüstner
  • P. Wurm
  • X. Yuan
  • L. Yurev
  • J. Zabierowski
  • M. J. Zieliński
  • W. Zipper
  • J. Złomańczuk
  • P. Zupranski

Department/unit(s)

Publication details

JournalPhysical Review Letters
DatePublished - 17 Jun 2011
Issue number24
Volume106
Original languageEnglish

Abstract

We report on an exclusive and kinematically complete high-statistics measurement of the basic double-pionic fusion reaction pn→dπ0π0 over the full energy region of the ABC effect, a pronounced low-mass enhancement in the ππ-invariant mass spectrum. The measurements, which cover also the transition region to the conventional t-channel ΔΔ process, were performed with the upgraded WASA detector setup at COSY. The data reveal the Abashian-Booth-Crowe effect to be uniquely correlated with a Lorentzian energy dependence in the integral cross section. The observables are consistent with a narrow resonance with m=2.37GeV, Γ 70MeV and I(JP)=0(3+) in both pn and ΔΔ systems. Necessary further tests of the resonance interpretation are discussed.

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