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Amplitude analysis ...
Amplitude analysis and branching-fraction measurement of D+s → π+π0η′
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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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- Johansson, Tord (author)
- Uppsala universitet,Kärnfysik
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- Kupsc, Andrzej (author)
- Uppsala universitet,Kärnfysik
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- Pettersson, Joachim (author)
- Uppsala universitet,Kärnfysik
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- Schönning, Karin, 1978- (author)
- Uppsala universitet,Kärnfysik
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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)
- Springer Nature, 2022
- 2022
- English.
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In: Journal of High Energy Physics (JHEP). - : Springer Nature. - 1126-6708 .- 1029-8479. ; :4
- Related links:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Using data collected with the BESIII detector in e(+)e(-) collisions at center-of-mass energies between 4.178 and 4.226 GeV and corresponding to 6.32 fb(-1) of integrated luminosity, we report the amplitude analysis and branching-fraction measurement of the D-s(+) -> pi(+)pi(0)eta' decay. We find that the dominant intermediate process is D-s(+) -> rho(+)eta' and the significances of other resonant and nonresonant processes are all less than 3 sigma. The upper limits on the branching fractions of S-wave and P-wave nonresonant components are set to 0.10% and 0.74% at the 90% confidence level, respectively. In addition, the branching fraction of the D-s(+) -> pi(+)pi(0)eta' decay is measured to be (6.15 +/- 0.25(stat.) +/- 0.18(syst.))%, which receives significant contribution only from D-s(+) -> rho(+)eta' according to the amplitude analysis.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- Branching fraction
- Charm Physics
- e(+)-e(-) Experiments
- Particle and Resonance Production
Publication and Content Type
- ref (subject category)
- art (subject category)
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