On the creation of the 17 MeV X boson in the 17.6 MeV M1 transition of 8Be

A. Krasznahorkay, M. Csatlós, L. Csige, J. Gulyás, T. J. Ketel, A. Krasznahorkay, I. Kuti, Nagy, B. M. Nyakó, N. Sas, J. Tímár

Research output: Contribution to journalConference article

13 Citations (Scopus)

Abstract

Electron-positron angular correlations were remeasured for the 17.6 MeV (Jπ = 1+ → 0+) ground state transition in 8Be using an improved setup compared to one we used previously. Significant deviations from the internal pair creation was observed at large angles in the angular correlations, which supports that, in an intermediate step, a neutral isoscalar particle with a mass of 17.0±0.5 (stat)±0.5 (sys) MeV/c2 and Jπ = 1+ was created.

Original languageEnglish
Article number01019
JournalEPJ Web of Conferences
Volume142
DOIs
Publication statusPublished - Apr 12 2017
EventInternational Symposium Advances in Dark Matter and Particle Physics, ADMPP 2016 - Sicily, Italy
Duration: Oct 24 2016Oct 27 2016

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angular correlation
bosons
neutral particles
positrons
deviation
ground state
electrons

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

On the creation of the 17 MeV X boson in the 17.6 MeV M1 transition of 8Be. / Krasznahorkay, A.; Csatlós, M.; Csige, L.; Gulyás, J.; Ketel, T. J.; Krasznahorkay, A.; Kuti, I.; Nagy; Nyakó, B. M.; Sas, N.; Tímár, J.

In: EPJ Web of Conferences, Vol. 142, 01019, 12.04.2017.

Research output: Contribution to journalConference article

Krasznahorkay, A. ; Csatlós, M. ; Csige, L. ; Gulyás, J. ; Ketel, T. J. ; Krasznahorkay, A. ; Kuti, I. ; Nagy ; Nyakó, B. M. ; Sas, N. ; Tímár, J. / On the creation of the 17 MeV X boson in the 17.6 MeV M1 transition of 8Be. In: EPJ Web of Conferences. 2017 ; Vol. 142.
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abstract = "Electron-positron angular correlations were remeasured for the 17.6 MeV (Jπ = 1+ → 0+) ground state transition in 8Be using an improved setup compared to one we used previously. Significant deviations from the internal pair creation was observed at large angles in the angular correlations, which supports that, in an intermediate step, a neutral isoscalar particle with a mass of 17.0±0.5 (stat)±0.5 (sys) MeV/c2 and Jπ = 1+ was created.",
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AU - Krasznahorkay, A.

AU - Csatlós, M.

AU - Csige, L.

AU - Gulyás, J.

AU - Ketel, T. J.

AU - Krasznahorkay, A.

AU - Kuti, I.

AU - Nagy,

AU - Nyakó, B. M.

AU - Sas, N.

AU - Tímár, J.

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