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E36 experiment at J-PARC / Experimento E36 en J-PARC
Lu, Haiyun; Djalali, Chaden.
  • Lu, Haiyun; University of Iowa. US
  • Djalali, Chaden; University of Iowa. US
Nucleus (La Habana) ; (64): 37-41, July.-Dec. 2018. graf
Article in English | LILACS-Express | LILACS | ID: biblio-1002726
ABSTRACT
Summary The E36 experiment has been carried out at J-PARC to search for Lepton Universality violation in the kaon two body decays K l2 . A precise value of the decay width ratio R K = Γ ( K e 2 ) = Γ ( K μ 2 ) will be extracted and compared with the standard model (SM) value. Any sizable difference would suggest new physics beyond the SM. Simultaneously, E36 is sensitive to light U(1) gauge bosons which could be associated with dark matter or explain established muon-related anomalies (g-2). The experiment as well as the status of the analysis will be presented.
RESUMEN
Resumen El experimento E36 se ha llevado a cabo en J-PARC para buscar anomalías a la universalidad leptónica en las desintegraciones en dos leptones del kaón K l2 . Se extraerá un valor preciso de la fracción de anchos de desintegración R K = Γ ( K e 2 ) = Γ ( K μ 2 ) y se comparará con el valor del modelo estándar (SM). Cualquier diferencia considerable sugeriría una nueva física más allá del SM. Simultáneamente, E36 es sensible a los bosones de gauge ligeros U(1) que podrían estar asociados con la materia oscura o explicar anomalías relacionadas con el muón (g-2). El experimento y el estado del análisis serán presentados.

Full text: Available Index: LILACS (Americas) Language: English Journal: Nucleus (La Habana) Journal subject: Nuclear Medicine / Radiotherapy Year: 2018 Type: Article Affiliation country: United States Institution/Affiliation country: University of Iowa/US

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Full text: Available Index: LILACS (Americas) Language: English Journal: Nucleus (La Habana) Journal subject: Nuclear Medicine / Radiotherapy Year: 2018 Type: Article Affiliation country: United States Institution/Affiliation country: University of Iowa/US