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9 results on '"Wieser, M"'

1. Mass measurements of neutron-rich indium isotopes for r -process studies

Author

Izzo, C., primary, Bergmann, J., additional, Dietrich, K. A., additional, Dunling, E., additional, Fusco, D., additional, Jacobs, A., additional, Kootte, B., additional, Kripkó-Koncz, G., additional, Lan, Y., additional, Leistenschneider, E., additional, Lykiardopoulou, E. M., additional, Mukul, I., additional, Paul, S. F., additional, Reiter, M. P., additional, Tracy, J. L., additional, Andreoiu, C., additional, Brunner, T., additional, Dickel, T., additional, Dilling, J., additional, Dillmann, I., additional, Gwinner, G., additional, Lascar, D., additional, Leach, K. G., additional, Plaß, W. R., additional, Scheidenberger, C., additional, Wieser, M. E., additional, and Kwiatkowski, A. A., additional

Published
2021
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2. Mass measurements of neutron-rich gallium isotopes refine production of nuclei of the first r -process abundance peak in neutron-star merger calculations

Author

Reiter, M. P., primary, Ayet San Andrés, S., additional, Nikas, S., additional, Lippuner, J., additional, Andreoiu, C., additional, Babcock, C., additional, Barquest, B. R., additional, Bollig, J., additional, Brunner, T., additional, Dickel, T., additional, Dilling, J., additional, Dillmann, I., additional, Dunling, E., additional, Gwinner, G., additional, Graham, L., additional, Hornung, C., additional, Klawitter, R., additional, Kootte, B., additional, Kwiatkowski, A. A., additional, Lan, Y., additional, Lascar, D., additional, Leach, K. G., additional, Leistenschneider, E., additional, Martínez-Pinedo, G., additional, McKay, J. E., additional, Paul, S. F., additional, Plaß, W. R., additional, Roberts, L., additional, Schatz, H., additional, Scheidenberger, C., additional, Sieverding, A., additional, Steinbrügge, R., additional, Thompson, R., additional, Wieser, M. E., additional, Will, C., additional, and Welch, D., additional

Published
2020
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4. Quenching of the N=32 neutron shell closure studied via precision mass measurements of neutron-rich vanadium isotopes

Author

Reiter, M. P., primary, Ayet San Andrés, S., additional, Dunling, E., additional, Kootte, B., additional, Leistenschneider, E., additional, Andreoiu, C., additional, Babcock, C., additional, Barquest, B. R., additional, Bollig, J., additional, Brunner, T., additional, Dillmann, I., additional, Finlay, A., additional, Gwinner, G., additional, Graham, L., additional, Holt, J. D., additional, Hornung, C., additional, Jesch, C., additional, Klawitter, R., additional, Lan, Y., additional, Lascar, D., additional, McKay, J. E., additional, Paul, S. F., additional, Steinbrügge, R., additional, Thompson, R., additional, Tracy, J. L., additional, Wieser, M. E., additional, Will, C., additional, Dickel, T., additional, Plaß, W. R., additional, Scheidenberger, C., additional, Kwiatkowski, A. A., additional, and Dilling, J., additional

Published
2018
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5. High-precision QEC -value measurement of the superallowed β+ emitter Mg22 and an ab initio evaluation of the A=22 isobaric triplet

Author

Reiter, M. P., primary, Leach, K. G., additional, Drozdowski, O. M., additional, Stroberg, S. R., additional, Holt, J. D., additional, Andreoiu, C., additional, Babcock, C., additional, Barquest, B., additional, Brodeur, M., additional, Finlay, A., additional, Foster, M., additional, Gallant, A. T., additional, Gwinner, G., additional, Klawitter, R., additional, Kootte, B., additional, Kwiatkowski, A. A., additional, Lan, Y., additional, Lascar, D., additional, Leistenschneider, E., additional, Lennarz, A., additional, Paul, S., additional, Steinbrügge, R., additional, Thompson, R. I., additional, Wieser, M., additional, and Dilling, J., additional

Published
2017
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6. Precision mass measurements of magnesium isotopes and implications for the validity of the isobaric mass multiplet equation

Author

Brodeur, M., primary, Kwiatkowski, A. A., additional, Drozdowski, O. M., additional, Andreoiu, C., additional, Burdette, D., additional, Chaudhuri, A., additional, Chowdhury, U., additional, Gallant, A. T., additional, Grossheim, A., additional, Gwinner, G., additional, Heggen, H., additional, Holt, J. D., additional, Klawitter, R., additional, Lassen, J., additional, Leach, K. G., additional, Lennarz, A., additional, Nicoloff, C., additional, Raeder, S., additional, Schultz, B. E., additional, Stroberg, S. R., additional, Teigelhöfer, A., additional, Thompson, R., additional, Wieser, M., additional, and Dilling, J., additional

Published
2017
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7. Mass determination near N=20 for Al and Na isotopes

Author

Gallant, A. T., primary, Alanssari, M., additional, Bale, J. C., additional, Andreoiu, C., additional, Barquest, B. R., additional, Chowdhury, U., additional, Even, J., additional, Finlay, A., additional, Frekers, D., additional, Gwinner, G., additional, Klawitter, R., additional, Kootte, B., additional, Kwiatkowski, A. A., additional, Lascar, D., additional, Leach, K. G., additional, Leistenschneider, E., additional, Lennarz, A., additional, Mayer, A. J., additional, Short, D., additional, Thompson, R., additional, Wieser, M., additional, Lunney, D., additional, and Dilling, J., additional

Published
2017
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9. Isotope abundance measurement of the half-life of the ββ-decaying nucleus 96Zr from a 2.68 Gyr zircon sample.

Author

Mayer, Adam J., Wieser, M., Alanssari, M., Frekers, D., Matthews, W., Dilling, J., and Thompson, R. I.

Subjects
*NEUTRINOLESS double beta decay, *ISOTOPE geology, *ZIRCON
Abstract

The decay half-life of the 96Zr isotope was measured by applying isotope geochemistry techniques to ancient (0.9 and 2.68 Gyr) ZrSiO4 (zircon) samples, with the objective to separate the single and double β-decay branches. The single β decay provides one of the most direct tests for theoretical models describing neutrinoless ββ decays. Both the single and the double β-decay branches lead to the same final nucleus 96Mo and generate an isotopic anomaly over geological time scales. After a chemical separation, the Mo isotopic composition was measured by inductively coupled plasma mass spectrometry (ICPMS). The 96Mo isotopic anomaly was determined in two complete replicate analyses to be 107(40) and 88(20) ppm, which translates to a 96Zr half-life of T1/2=(2.03+0.46-0.31)×1019yr. With the 2νββ partial decay half-life of the ground-state to ground-state transition known from NEMO-3 to be 2.35±0.21×1019 yr and all other partial ββ-decay half-lives expected to be many orders of magnitude longer, a lower limit for the single-β-decay half-life is set at T1/2β≥6.2×1019 yr. [ABSTRACT FROM AUTHOR]

Published
2018
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