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  • Husek, TomasCharles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, V Holesovickach 2, Prague 8, Czech Republic;Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England (author)

Radiative corrections to the η(') Dalitz decays

  • Article/chapterEnglish2018

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  • 2018
  • electronicrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:uu-357558
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-357558URI
  • https://doi.org/10.1103/PhysRevD.97.096013DOI

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  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype

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  • We provide the complete set of radiative corrections to the Dalitz decays eta(()'()) -> l(+)l(-)gamma beyond the softphoton approximation, i. e., over the whole range of the Dalitz plot and with no restrictions on the energy of a radiative photon. The corrections inevitably depend on the eta(()'()) -> gamma*gamma(*) transition form factors. For the singly virtual transition form factor appearing, e.g., in the bremsstrahlung correction, recent dispersive calculations are used. For the one-photon-irreducible contribution at the one-loop level (for the doubly virtual form factor), we use a vector-meson-dominance-inspired model while taking into account the eta-eta' mixing.

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  • Kampf, KarolCharles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, V Holesovickach 2, Prague 8, Czech Republic (author)
  • Novotny, JiriCharles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, V Holesovickach 2, Prague 8, Czech Republic (author)
  • Leupold, StefanUppsala universitet,Kärnfysik(Swepub:uu)stele192 (author)
  • Charles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, V Holesovickach 2, Prague 8, Czech Republic;Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, EnglandCharles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, V Holesovickach 2, Prague 8, Czech Republic (creator_code:org_t)

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  • In:Physical Review D97:92470-00102470-0029

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Husek, Tomas
Kampf, Karol
Novotny, Jiri
Leupold, Stefan
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NATURAL SCIENCES
NATURAL SCIENCES
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and Subatomic Physic ...
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Uppsala University

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