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Investigations on baryonium and other rare pmacrp annihilation modes using high resolution pi0 spectrometers (PS 182)
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1985 (English)In: Antiproton 1984. Proceedings of the VII European Symposium on Antiproton Interactions, Institution of Electrical Engineers (IEE), 1985, 297-304 p.Conference paper, Published paper (Refereed)
Abstract [en]

In the search for heavy, narrow exotic states such as baryonium or glueballs, carried out so far, various methods of high- and low-energy production, low-energy formation, and e+e- reactions were used. In particular, a search for baryonium states below threshold (mxlsimmppmacr) has shown some evidence [Richter et al., 1983, Brando et al., 1984] for a few states. However, the results of these measurements suffer from poor statistics. Among the possible methods which can be applied in the baryonium bound state research at LEAR, the authors consider the study of the reaction ppmacrrarrX+pi0 as the most promising. They have performed an experiment to study this reaction by means of an experimental set-up especially tailored for measuring monoenergetic pi0,s, allowing for both angular distribution measurements and high-resolution spectroscopy. They report on the preliminary results from our actual measurements of the inclusive pi0 and eta spectra following the antiproton annihilation at rest.

Place, publisher, year, edition, pages
Institution of Electrical Engineers (IEE), 1985. 297-304 p.
Keyword [en]
pion production, proton-proton interactions
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-28601OAI: oai:DiVA.org:lnu-28601DiVA: diva2:644523
Conference
VII European Symposium on Antiproton Interactions. Durham, UK, 19840709
Available from: 2013-08-30 Created: 2013-08-30 Last updated: 2013-08-30Bibliographically approved

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Carius, Staffan

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