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Model-independent d...
Model-independent determination of the relative strong-phase difference between D-0 and (D)over-bar(0) -> K-S,L(0)pi(+)pi(-) and its impact on the measurement of the CKM angle gamma/phi(3)
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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, Tord (author)
- Uppsala universitet,Kärnfysik
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- Kupsc, Andrzej (author)
- Uppsala universitet,Kärnfysik
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- Li, C. (author)
- Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden
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- Papenbrock, Michael (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,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)
- AMER PHYSICAL SOC, 2020
- 2020
- English.
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In: Physical Review D. - : AMER PHYSICAL SOC. - 1550-7998 .- 1550-2368. ; 101:11
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Abstract
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- Crucial inputs for a variety of CP-violation studies can be determined through the analysis of pairs of quantum-entangled neutral D mesons, which are produced in the decay of the psi(3770) resonance. The relative strong-phase parameters between D-0 and (D) over bar (0) in the decays D-0 -> K-S,L(0)pi(+)pi(-) are studied using 2.93 fb(-1) of e(+)e(-) annihilation data delivered by the BEPCII collider and collected by the BESIII detector at a center-of-mass energy of 3.773 GeV. Results are presented in regions of the phase space of the decay. These are the most precise measurements to date of the strong-phase parameters in D-0 -> K-S,L(0)pi(+)pi(-) decays. Using these parameters, the associated uncertainty on the Cabibbo-Kobayashi-Maskawa angle gamma/phi(3) is expected to be between 0.7 degrees and 1.2 degrees for an analysis using the decay B-+/- -> DK +/-, D -> K-S(0)pi(+)pi(-), where D represents a superposition of D-0 and (D) over bar (0) states. This is a factor of 3 smaller than that achievable with previous measurements. Furthermore, these results provide valuable input for charm-mixing studies, other measurements of CP violation, and the measurement of strong-phase parameters for other D-decay modes.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
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- 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, Tord
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Kupsc, Andrzej
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show more...
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Li, C.
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Papenbrock, Mich ...
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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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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Uppsala University