First observation of two-proton radioactivity in Ni48

M. Pomorski; M. Pfützner; W. Dominik; R. Grzywacz; T. Baumann; J. S. Berryman; H. Czyrkowski; R. Da̧browski; T. Ginter; J. Johnson; G. Kamiński; A. Kuźniak; N. Larson; S. N. Liddick; M. Madurga; C. Mazzocchi; S. Mianowski; K. Miernik; D. Miller; S. Paulauskas; J. Pereira; K. P. Rykaczewski; A. Stolz; S. Suchyta

doi:10.1103/PhysRevC.83.061303

First observation of two-proton radioactivity in Ni48

M. Pomorski, M. Pfützner, W. Dominik, R. Grzywacz, T. Baumann, J. S. Berryman, H. Czyrkowski, R. Da̧browski, T. Ginter, J. Johnson, G. Kamiński, A. Kuźniak, N. Larson, S. N. Liddick, M. Madurga, C. Mazzocchi, S. Mianowski, K. Miernik, D. Miller, S. PaulauskasJ. Pereira, K. P. Rykaczewski, A. Stolz, S. Suchyta

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Abstract

The decay of the extremely neutron-deficient Ni48 was studied by means of an imaging time-projection chamber, which allowed the recording of tracks of charged particles. The decays of six atoms were observed. Four of them clearly correspond to two-proton radioactivity, providing the first direct evidence for this decay mode in Ni48. Two decays represent β-delayed proton emission. The half-life of Ni48 is determined to be T_1/2=2.1-0.4+1.4 ms.

Original language	English
Article number	061303
Journal	Physical Review C - Nuclear Physics
Volume	83
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.83.061303
State	Published - Jun 15 2011

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Pomorski, M., Pfützner, M., Dominik, W., Grzywacz, R., Baumann, T., Berryman, J. S., Czyrkowski, H., Da̧browski, R., Ginter, T., Johnson, J., Kamiński, G., Kuźniak, A., Larson, N., Liddick, S. N., Madurga, M., Mazzocchi, C., Mianowski, S., Miernik, K., Miller, D., ... Suchyta, S. (2011). First observation of two-proton radioactivity in Ni48. Physical Review C - Nuclear Physics, 83(6), Article 061303. https://doi.org/10.1103/PhysRevC.83.061303

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title = "First observation of two-proton radioactivity in Ni48",

abstract = "The decay of the extremely neutron-deficient Ni48 was studied by means of an imaging time-projection chamber, which allowed the recording of tracks of charged particles. The decays of six atoms were observed. Four of them clearly correspond to two-proton radioactivity, providing the first direct evidence for this decay mode in Ni48. Two decays represent β-delayed proton emission. The half-life of Ni48 is determined to be T1/2=2.1-0.4+1.4 ms.",

author = "M. Pomorski and M. Pf{\"u}tzner and W. Dominik and R. Grzywacz and T. Baumann and Berryman, {J. S.} and H. Czyrkowski and R. D{\c a}browski and T. Ginter and J. Johnson and G. Kami{\'n}ski and A. Ku{\'z}niak and N. Larson and Liddick, {S. N.} and M. Madurga and C. Mazzocchi and S. Mianowski and K. Miernik and D. Miller and S. Paulauskas and J. Pereira and Rykaczewski, {K. P.} and A. Stolz and S. Suchyta",

year = "2011",

month = jun,

day = "15",

doi = "10.1103/PhysRevC.83.061303",

language = "English",

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Pomorski, M, Pfützner, M, Dominik, W, Grzywacz, R, Baumann, T, Berryman, JS, Czyrkowski, H, Da̧browski, R, Ginter, T, Johnson, J, Kamiński, G, Kuźniak, A, Larson, N, Liddick, SN, Madurga, M, Mazzocchi, C, Mianowski, S, Miernik, K, Miller, D, Paulauskas, S, Pereira, J, Rykaczewski, KP, Stolz, A & Suchyta, S 2011, 'First observation of two-proton radioactivity in Ni48', Physical Review C - Nuclear Physics, vol. 83, no. 6, 061303. https://doi.org/10.1103/PhysRevC.83.061303

TY - JOUR

T1 - First observation of two-proton radioactivity in Ni48

AU - Pomorski, M.

AU - Pfützner, M.

AU - Dominik, W.

AU - Grzywacz, R.

AU - Baumann, T.

AU - Berryman, J. S.

AU - Czyrkowski, H.

AU - Da̧browski, R.

AU - Ginter, T.

AU - Johnson, J.

AU - Kamiński, G.

AU - Kuźniak, A.

AU - Larson, N.

AU - Liddick, S. N.

AU - Madurga, M.

AU - Mazzocchi, C.

AU - Mianowski, S.

AU - Miernik, K.

AU - Miller, D.

AU - Paulauskas, S.

AU - Pereira, J.

AU - Rykaczewski, K. P.

AU - Stolz, A.

AU - Suchyta, S.

PY - 2011/6/15

Y1 - 2011/6/15

N2 - The decay of the extremely neutron-deficient Ni48 was studied by means of an imaging time-projection chamber, which allowed the recording of tracks of charged particles. The decays of six atoms were observed. Four of them clearly correspond to two-proton radioactivity, providing the first direct evidence for this decay mode in Ni48. Two decays represent β-delayed proton emission. The half-life of Ni48 is determined to be T1/2=2.1-0.4+1.4 ms.

AB - The decay of the extremely neutron-deficient Ni48 was studied by means of an imaging time-projection chamber, which allowed the recording of tracks of charged particles. The decays of six atoms were observed. Four of them clearly correspond to two-proton radioactivity, providing the first direct evidence for this decay mode in Ni48. Two decays represent β-delayed proton emission. The half-life of Ni48 is determined to be T1/2=2.1-0.4+1.4 ms.

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DO - 10.1103/PhysRevC.83.061303

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VL - 83

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 6

M1 - 061303

ER -

First observation of two-proton radioactivity in Ni48

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