New experimental limits on violations of the Pauli exclusion principle obtained with the Borexino Counting Test Facility
- Back H. O.
- Balata M.
- de Bellefon A.
- Bellini G.
- Benziger J.
- Bonetti S.
- Buck C.
- Caccianiga B.
- Cadonati L.
- Calaprice F.
- Cecchet G.
- Chen M.
- Di Credico A.
- Dadoun O.
- D'Angelo D.
- Derbin A.
- Deutsch M.
- Etenko A.
- von Feilitzsch F.
- Fernholz R.
- Ford R.
- Franco D.
- Freudiger B.
- Galbiati C.
- Gazzana S.
- Giammarchi M. G.
- Goeger Neff M.
- Goretti A.
- Grieb C.
- Hampel W.
- Harding E.
- Hartmann F. X.
- Heusser G.
- Ianni A.
- Ianni A. M.
- de Kerret H.
- Kiko J.
- Kirsten T.
- Kobychev V.V.
- Korga G.
- Korschinek G.
- Kozlov Y.
- Kryn D.
- Laubenstein M.
- Lendvai C.
- Leung M.
- Litvinovich E.
- Lombardi P.
- Machulin I.
- Malvezzi S.
- Maneira J.
- Manno I.
- Manuzio D.
- Manuzio G.
- Masetti F.
- Martemianov A.
- Mazzucato U.
- McCarty K.
- Meroni E.
- Mention G.
- Miramonti L.
- Monzani M. E.
- Muratova V.
- Musico P.
- Niedermeier L.
- Oberauer L.
- Obolensky M.
- Ortica F.
- Pallavicini M.
- Papp L.
- Perasso L.
- Peiffer P.
- Pocar A.
- Raghavan R. S.
- Ranucci G.
- Razeto A.
- Sabelnikov A.
- Salvo C.
- Scardaoni R.
- Schimizzi D.
- Schoenert S.
- Simgen H.
- Shutt T.
- Skorokhvatov M.
- Smirnov O.
- Sonnenschein A.
- Sotnikov A.
- Sukhotin S.
- Suvorov Y.
- Tarasenkov V.
- Tartaglia R.
- Testera G.
- Vignaud D.
- Vogelaar R. B.
- Vyrodov V.
- Wojcik M.
- Zaimidoroga O.
- Zuzel G.
- DE BARI, ANTONIO
DOIAbstract
The Pauli exclusion principle (PEP) has been tested for nucleons (n, p) in C-12 and O-16 nuclei, using the results of background measurements with the prototype of the Borexino detector, the Counting Test Facility (CTF). The approach consisted of a search for gamma, n, p and/or alpha' s emitted in a non-Paulian transition of 1P- shell nucleons to the filled 1S(1/2) shell in nuclei. Similarly, the Pauli-forbidden beta(+/-) decay processes were searched for. Due to the extremely low background and the large mass (4.2 tons) of the CTF detector, the following most stringent up-to-date experimental bounds on PEP violating transitions of nucleons have been established: tau(C-12 --> (12)(C) over tilde + gamma) > 2.1 . 10(27) y, tau(C-12 --> (11)(B...
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