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Observation of gamma(4S) -> eta 'gamma(1S)

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10387029" target="_blank" >RIV/00216208:11320/18:10387029 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1103/PhysRevLett.121.062001" target="_blank" >https://doi.org/10.1103/PhysRevLett.121.062001</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevLett.121.062001" target="_blank" >10.1103/PhysRevLett.121.062001</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Observation of gamma(4S) -> eta 'gamma(1S)

  • Original language description

    We report the first observation of the hadronic transition gamma(4S) -&gt; eta&apos;gamma(1S), using 496 fb(-1) data collected at the gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We reconstruct the eta&apos; meson through its decays to rho(0)gamma and to pi(+)pi(-)eta, with eta -&gt; gamma gamma. We measure B(gamma(4S) -&gt; eta&apos;gamma(1S)) = [3.43 +/- 0.88(stat) +/- 0.21(syst)] x 10(-5), with a significance of 5.7 sigma.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10303 - Particles and field physics

Result continuities

  • Project

    <a href="/en/project/LTT17020" target="_blank" >LTT17020: Study of Beyond Standard Model Physics with the International Experiment Belle II in Japan</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review Letters

  • ISSN

    0031-9007

  • e-ISSN

  • Volume of the periodical

    121

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

  • UT code for WoS article

    000440827300004

  • EID of the result in the Scopus database

    2-s2.0-85052088690