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Start Over Author "Lommel P" Journal the european physical journal a - hadrons and nuclei
15 results on '"Lommel P"'

1. Alpha-gamma decay studies of 255Rf, 251No and 247Fm

Author

Heßberger, F. P., Hofmann, S., Ackermann, D., Antalic, S., Kindler, B., Kojouharov, I., Kuusiniemi, P., Leino, M., Lommel, B., Mann, R., Nishio, K., Popeko, A. G., Sulignano, B., Saro, S., Streicher, B., Venhart, M., and Yeremin, A. V.

Published
2006
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2. Measurement of evaporation residue cross-sections of the reaction 30Si + 238U at subbarrier energies

Author

Nishio, K., Hofmann, S., Heßberger, F. P., Ackermann, D., Antalic, S., Comas, V. F., Gan, Z., Heinz, S., Heredia, J. A., Ikezoe, H., Khuyagbaatar, J., Kindler, B., Kojouharov, I., Kuusiniemi, P., Lommel, B., Mann, R., Mazzocco, M., Mitsuoka, S., Nagame, Y., Ohtsuki, T., Popeko, A. G., Saro, S., Schött, H. J., Sulignano, B., Svirikhin, A., Tsukada, K., Tsuruta, K., and Yeremin, A. V.

Published
2006
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4. Prolate structures in 189Po and 185Pb

Author

Van de Vel, K., Andreyev, A. N., Ackermann, D., Boardman, H. J., Cagarda, P., Gerl, J., Heßberger, F. P., Hofmann, S., Huyse, M., Karlgren, D., Kojouharov, I., Leino, M., Lommel, B., Münzenberg, G., Moore, C., Page, R. D., Saro, S., Van Duppen, P., and Wyss, R.

Published
2005
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6. $\alpha$-decay spectroscopy of light odd-odd Bi isotopes - I: 188,190Bi nuclei

Author

Andreyev, A. N., Ackermann, D., Antalic, S., Boardman, H. J., Cagarda, P., Gerl, J., Heßberger, F. P., Hofmann, S., Huyse, M., Karlgren, D., Keenan, A., Kettunen, H., Kleinböhl, A., Kindler, B., Kojouharov, I., Lavrentiev, A., O’Leary, C. D., Leino, M., Lommel, B., Matos, M., Moore, C. J., Münzenberg, G., Page, R. D., Reshitko, S., Saro, S., Schaffner, H., Schlegel, C., Taylor, M. J., Vel, K. Van de, Duppen, P. Van, Weissman, L., and Heyde, K.

Published
2003
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7. Radioactive decay of 217Pa

Author

Heßberger, F.P., Hofmann, S., Kojouharov, I., Ackermann, D., Antalic, S., Cagarda, P., Kindler, B., Lommel, B., Mann, R., Popeko, A.G., Saro, S., Uusitalo, J., and Yeremin, A.V.

Published
2002
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8. New results on elements 111 and 112

Author

Hofmann, S., Heßberger, F.P., Ackermann, D., Münzenberg, G., Antalic, S., Cagarda, P., Kindler, B., Kojouharova, J., Leino, M., Lommel, B., Mann, R., Popeko, A.G., Reshitko, S., Śaro, S., Uusitalo, J., and Yeremin, A.V.

Published
2002
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9. New microsecond isomers in 189, 190Bi

Author

Andreyev, A.N., Ackermann, D., Cagarda, P., Gerl, J., Heßberger, F.P., Hofmann, S., Huyse, M., Keenan, A., Kettunen, H., Kleinböhl, A., Lavrentiev, A., Leino, M., Lommel, B., Matos, M., Münzenberg, G., Moore, C.J., O'Leary, C.D., Page, R.D., Reshitko, S., Saro, S., Schlegel, C., Schaffner, H., Taylor, M.J., Van Duppen, P., Weissman, L., and Wyss, R.

Published
2001
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11. Alpha decay of the new isotopes 188,189Po

Author

Andreyev, A.N., Ackermann, D., Cagarda, P., Gerl, J., Heßberger, F., Hofmann, S., Huyse, M., Keenan, A., Kettunen, H., Kleinböhl, A., Lavrentiev, A., Leino, M., Lommel, B., Matos, M., Münzenberg, G., Moore, C., O'Leary, C.D., Page, R.D., Reshitko, S., Saro, S., Schlegel, C., Schaffner, H., Taylor, M., Van Duppen, P., Weissman, L., and Wyss, R.

Published
1999
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12. Radioactive decay of 217Pa

Author

Heßberger, F.P., Hofmann, S., Kojouharov, I., Ackermann, D., Antalic, S., Cagarda, P., Kindler, B., Lommel, B., Mann, R., Popeko, A.G., Saro, S., Uusitalo, J., and Yeremin, A.V.

Abstract

Abstract:: The radioactive decay of 217Pa was investigated by means of α-γ-spectroscopy. Fine structure in the ground-state α-decay was established. Ambiguities in the fine structure of the α-decay of the previously known isomeric state could be clarified by α-γ-coincidence measurements. A previously unknown α-transition of E α = (8306 ± 5) keV was detected and identified by means of delayed α-α- and α-γ-γ-coincidence measurements. A second isomeric state decaying by α-emission was not observed. The quality of the previously reported data of the α-decay fine structure of 217Th was improved.

Published
2002
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13. New microsecond isomers in 189, 190Bi

Author

Andreyev, A.N., Ackermann, D., Cagarda, P., Gerl, J., Heßberger, F.P., Hofmann, S., Huyse, M., Keenan, A., Kettunen, H., Kleinböhl, A., Lavrentiev, A., Leino, M., Lommel, B., Matos, M., Münzenberg, G., Moore, C.J., O'Leary, C.D., Page, R.D., Reshitko, S., Saro, S., Schlegel, C., Schaffner, H., Taylor, M.J., Van Duppen, P., Weissman, L., and Wyss, R.

Abstract

Abstract:: New microsecond isomers in the neutron-deficient isotopes 189g, 190Bi have been identified after in-flight separation by the velocity filter SHIP. The evaporation residues were identified on the basis of delayed recoil-γ/X-ray, recoil-γ/X-ray-α and excitation function measurements. The systematics of the [ π1i 13/2]13/2+ excited states in the odd-mass Bi nuclei is discussed.

Published
2001
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14. The new isotope 270110 and its decay products 266Hs and 262Sg

Author

Hofmann, S., Heßberger, F.P., Ackermann, D., Antalic, S., Cagarda, P., Ćwiok, S., Kindler, B., Kojouharova, J., Lommel, B., Mann, R., Münzenberg, G., Popeko, A.G., Saro, S., Schött, H.J., and Yeremin, A.V.

Abstract

Abstract:: The even-even nucleus 270110 was synthesized using the reaction 64Ni + 207Pb. A total of eight α-decay chains was measured during an irradiation time of seven days. Decay data were obtained for the ground-state and a high-spin K isomer. The new nuclei 266Hs and 262Sg were identified as daughter products after α-decay. Spontaneous fission of 262Sg terminates the decay chain. The measured data are in agreement with calculations using the macroscopic-microscopic model and with self-consistent HFB calculations with Skyrme-Sly4 interaction.

Published
2001
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15. Alpha decay of the new isotopes 188,189Po

Author

Andreyev, A.N., Ackermann, D., Cagarda, P., Gerl, J., Heßberger, F., Hofmann, S., Huyse, M., Keenan, A., Kettunen, H., Kleinböhl, A., Lavrentiev, A., Leino, M., Lommel, B., Matos, M., Münzenberg, G., Moore, C., O'Leary, C.D., Page, R.D., Reshitko, S., Saro, S., Schlegel, C., Schaffner, H., Taylor, M., Van Duppen, P., Weissman, L., and Wyss, R.

Abstract

Abstract.: New neutron-deficient isotopes 188,189Po have been produced in the complete fusion reaction of 52Cr ions with a 142Nd target at the velocity filter SHIP. The evaporation residues were separated in-flight and subsequently identified on the basis of α-γ and α-conversion electron coincidence measurements and of α-α position and time correlations. In 189Po a ground state to ground state α decay with Eα1= 7540(20) keV, T1/2= 5(1) ms and two fine structure α-decays at Eα2= 7264(15) keV and Eα3= 7316(15) keV have been observed. In 188Po (T1/2= 400+200−150μs) a ground state to ground state α decay at Eα= 7915(25) keV and a fine structure α decay at Eα= 7350(40) keV have been found. Improved data on the α-decay of 189Bi were obtained.

Published
1999
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