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8 results on '"Kaleja O"'

1. Rapid extraction of short-lived isotopes from a buffer gas cell for use in gas-phase chemistry experiments, Part II: On-line studies with short-lived accelerator-produced radionuclides

Author

Götz, S., Raeder, S., Block, M., Düllmann, Ch.E., Folden, C.M., III, Glennon, K.J., Götz, M., Hübner, A., Jäger, E., Kaleja, O., Khuyagbaatar, J., Kindler, B., Krier, J., Lens, L., Lommel, B., Mistry, A.K., Mokry, Ch., Runke, J., Såmark-Roth, A., Tereshatov, E.E., Thörle-Pospiech, P., Volia, M.F., Yakushev, A., and Yakusheva, V.

Published
2021
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5. COMPASS—A COMPAct decay spectroscopy set-up

Author

Ackermann, D., Mistry, A.K., Heßberger, F.P., Andel, B., Antalic, S., Block, M., Caceres, L., Chhetri, P., Dechery, F., Droese, Ch., Düllmann, Ch.E., Giacoppo, F., Hoffmann, J., Kaleja, O., Kamalou, O., Kurz, N., Khuyagbaatar, J., Mändl, R.R., Murböck, T., Laatiaoui, M., Maurer, J., Mosat, P., Piot, J., Raeder, S., Savajols, H., Sorlin, O., Stodel, Ch., Thomas, J.C., Vostinar, M., Wieczorek, P., Yakushev, A., and Zhang, Z.

Published
2018
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7. RECENT UPGRADES OF THE SHIPTRAP SETUP: ON THE FINISH LINE TOWARDS DIRECT MASS SPECTROSCOPY OF SUPERHEAVY ELEMENTS.

Author

GIACOPPO, F., BLAUM, K., BLOCK, M., CHHETRI, P., DÜLLMANN, Ch. E., Droese, C., ELISEEV, S., FILIANIN, P., GÖTZ, S., GUSEV, Y., HERFURTH, F., HESSBERGER, F. P., KALEJA, O., KHUYAGBAATAR, J., LAATIAOUI, M., LAUTENSCHLÄGER, F., LORENZ, C., Marx, G., MINAYA RAMIREZ, E., and MISTRY, A.

Subjects
PENNING trap mass spectrometry, EXOTIC nuclei, SUPERHEAVY elements, NEUTRONS, COOLING
Abstract

With the Penning-trap mass spectrometer SHIPTRAP at GSI, Darmstadt, it is possible to investigate exotic nuclei in the region of the heaviest elements. Few years ago, challenging experiments led to the direct measurements of the masses of neutron-deficient isotopes with Z = 102; 103 around N = 152. Thanks to recent advances in cooling and ion-manipulation techniques, a major technical upgrade of the setup has been recently accomplished to boost its efficiency. At present, the gap to reach more rare and shorter-lived species at the limits of the nuclear landscape has been narrowed. [ABSTRACT FROM AUTHOR]

Published
2017
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8. The 48Ca+181Ta reaction: Cross section studies and investigation of neutron-deficient 86 ≤ Z ≤ 93 isotopes.

Author

Mistry, A.K., Khuyagbaatar, J., Heßberger, F.P., Ackermann, D., Andel, B., Antalic, S., Block, M., Chhetri, P., Dechery, F., Droese, C., Düllmann, Ch.E., Giacoppo, F., Hoffmann, J., Kaleja, O., Kurz, N., Laatiaoui, M., Lens, L., Maurer, J., Mosat, P., and Piot, J.

Subjects
*DIGITAL electronics, *HEAVY ion fusion reactions, *ISOTOPES, *NUCLEAR spectroscopy, *NEUTRONS, *ALPHA decay
Abstract

Fusion-evaporation reactions with the doubly magic projectile 48Ca were used to access neutron-deficient nuclei around neptunium at the velocity filter SHIP, and investigated using the COMPASS decay spectroscopy station. With the use of digital electronics, several isotopes produced via neutron, proton, and α evaporation channels were identified by establishing correlated α -decay chains with short-lived sub-μs members. Data are given on decay chains stemming from 225,226Np, 225U, and 222,223Pa. New information on the isotopes 225,226Np and 222Pa was obtained. Production cross sections of nuclei in the region using a variety of projectiles are discussed. The measured production cross-sections indicate that the usual advantages of using 48Ca as a beam projectile to produce nuclei Z >100 are absent in the production of these slightly lighter nuclei. [ABSTRACT FROM AUTHOR]

Published
2019
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