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Perspectives of open charm physics at P̄ANDA
FZ-Jülich, Germany.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
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Number of Authors: 534
2015 (English)In: EPJ Web of Conferences, ISSN 2101-6275, E-ISSN 2100-014X, Vol. 95, 04052Article in journal (Refereed) Published
Abstract [en]

The $\bar PANDA$ experiment at FAIR (Facility for Antiproton and Ion Research) in Darmstadt (Germany) is designed for $\bar p p$ annihilation studies and it will investigate fundamental questions of hadron and nuclear physics in interactions of antiprotons with nucleons and nuclei. Gluonic excitations and the physics of hadrons with strange and charm quarks will be accessible with unprecedented accuracy, thereby allowing high precision tests of the strong interactions. In particular, the $D_{s0}^*(2317)^+$ and $D_{s1}(2460)^+$ are still of high interest 11 years after their discovery, because they can not be simply understood in term of potential models. The available statistics and resolution of the past experiments did not allow to clarify their nature. Recently LHCb at CERN has made progresses in this respect, but still not at the level of precision required in order to clarify the puzzle of the $cs$-spectrum. $\bar PANDA$ will be able to achieve a factor 20 higher mass resolution than attained at the B-factories, which is expected to be decisive on these and second-order open questions. The technique to evaluate the width from the excitation function of the cross section of the $D_s$ mesons will be presented, and ongoing simulations performed with $PandaRoot$ will be shown.

Place, publisher, year, edition, pages
2015. Vol. 95, 04052
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-286780DOI: 10.1051/epjconf/20159504052OAI: oai:DiVA.org:uu-286780DiVA: diva2:922004
Conference
3rd International Conference on New Frontiers in Physics (ICNFP 2014), Kolymbari, Greece, 28 Jul - 06 Aug, 2014
Note

PANDA Collaboration, for complete list of authors see http://dx.doi.org/10.1140/epja/i2015-15107-y

Available from: 2016-04-21 Created: 2016-04-21 Last updated: 2017-11-30

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Caldeira Balkeståhl, LiCalén, HansFransson, KjellKupsc, AndrzejMarciniewski, PawelSchönning, KarinPettersson, JoachimWolke, Magnus

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