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Observation of a re...
Observation of a resonant structure in e(+)e(-)-> omega eta and another in e(+)e(-)-> omega pi(0) at center-of-mass energies between 2.00 and 3.08 GeV
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- Ablikim, M. (author)
- Inst High Energy Phys, Beijing 100049, Peoples R China
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- Adlarson, Patrik (author)
- Uppsala universitet,Kärnfysik
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- Biernat, J. (author)
- Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden
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- Ikegami Andersson, Walter (author)
- Uppsala universitet,Kärnfysik
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- Johansson, T. (author)
- Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden
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- Kupsc, Andrzej (author)
- Uppsala universitet,Kärnfysik
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- Pettersson, J. (author)
- Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden
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- Schönning, Karin, 1978- (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Thorén, Viktor (author)
- Uppsala universitet,Kärnfysik
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- Wolke, Magnus (author)
- Uppsala universitet,Kärnfysik
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- Zou, J. H. (author)
- Inst High Energy Phys, Beijing 100049, Peoples R China
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(creator_code:org_t)
- Elsevier, 2021
- 2021
- English.
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In: Physics Letters B. - : Elsevier. - 0370-2693 .- 1873-2445. ; 813
- Related links:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Born cross sections for the processes e(+)e(-) -> omega eta and e(+)e(-) -> omega pi(0) have been determined for centerof-mass energies between 2.00 and 3.08GeVwith the BESIII detector at the BEPCII collider. The results obtained in this work are consistent with previous measurements but with improved precision. Two resonant structures are observed. In the e(+)e(-) -> omega eta cross sections, a resonance with a mass of (2176 +/- 24 +/- 3) MeV/c(2) and a width of (89 +/- 50 +/- 5) MeV is observed with a significance of 6.2 sigma. Its properties are consistent with the phi(2170). In the e(+)e(-) -> omega pi(0) cross sections, a resonance denoted Y (2040) is observed with a significance of more than 10 sigma. Its mass and width are determined to be (2034 +/- 13 +/- 9) MeV/c(2) and (234 +/- 30 +/- 25) MeV, respectively, where the first uncertainties are statistical and the second ones are systematic. (C) 2020 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- BESIII
- phi (2170)
- Excited omega states
- Excited rho states
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Ablikim, M.
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Adlarson, Patrik
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Biernat, J.
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Ikegami Andersso ...
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Johansson, T.
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Kupsc, Andrzej
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show more...
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Pettersson, J.
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Schönning, Karin ...
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Thorén, Viktor
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Wolke, Magnus
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Zou, J. H.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
- Articles in the publication
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Physics Letters ...
- By the university
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Uppsala University