Search Results - "Rykaczewski, Krzysztof Piotr"

Discovery of element 117: Super-heavy elements and the “island of stability” by Roberto, James B., Rykaczewski, Krzysztof Piotr

“…Element 117 (tennessine) joined the periodic table in November 2016. Two tennessine isotopes were synthesized by bombarding 249Bk from Oak Ridge National…”
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Actinide targets for the synthesis of super-heavy elements by Roberto, J.B., Alexander, C.W., Boll, R.A., Burns, J.D., Ezold, J.G., Felker, L.K., Hogle, S.L., Rykaczewski, K.P.

“…Since 2000, six new super-heavy elements with atomic numbers 113 through 118 have been synthesized in hot fusion reactions of 48Ca beams on actinide targets…”
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Spectroscopy of element 115 decay chains by Rudolph, D, Forsberg, U, Golubev, P, Sarmiento, L G, Yakushev, A, Andersson, L-L, Di Nitto, A, Düllmann, Ch E, Gates, J M, Gregorich, K E, Gross, C J, Heßberger, F P, Herzberg, R-D, Khuyagbaatar, J, Kratz, J V, Rykaczewski, K, Schädel, M, Åberg, S, Ackermann, D, Block, M, Brand, H, Carlsson, B G, Cox, D, Derkx, X, Eberhardt, K, Even, J, Fahlander, C, Gerl, J, Jäger, E, Kindler, B, Krier, J, Kojouharov, I, Kurz, N, Lommel, B, Mistry, A, Mokry, C, Nitsche, H, Omtvedt, J P, Papadakis, P, Ragnarsson, I, Runke, J, Schaffner, H, Schausten, B, Thörle-Pospiech, P, Torres, T, Traut, T, Trautmann, N, Türler, A, Ward, A, Ward, D E, Wiehl, N

“…A high-resolution α, x-ray, and γ-ray coincidence spectroscopy experiment was conducted at the GSI Helmholtzzentrum für Schwerionenforschung. Thirty correlated…”
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The ORNL analysis technique for extracting β-delayed multi-neutron branching ratios with BRIKEN by Rasco, B.C., Brewer, N.T., Yokoyama, R., Grzywacz, R., Rykaczewski, K.P., Tolosa-Delgado, A., Agramunt, J., Taín, J.L., Algora, A., Hall, O., Griffin, C., Davinson, T., Phong, V.H., Liu, J., Nishimura, S., Kiss, G.G., Nepal, N., Estrade, A.

“…Many choices are available in order to evaluate large radioactive decay networks. There are many parameters that influence the calculated β-decay delayed…”
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Orbital dependent nucleonic pairing in the lightest known isotopes of tin by Darby, I G, Grzywacz, R K, Batchelder, J C, Bingham, C R, Cartegni, L, Gross, C J, Hjorth-Jensen, M, Joss, D T, Liddick, S N, Nazarewicz, W, Padgett, S, Page, R D, Papenbrock, T, Rajabali, M M, Rotureau, J, Rykaczewski, K P

“…By studying the (109)Xe→(105)Te→(101)Sn superallowed α-decay chain, we observe low-lying states in (101)Sn, the one-neutron system outside doubly magic…”
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New half-lives of r-process Zn and Ga isotopes measured with electromagnetic separation by Madurga, M, Surman, R, Borzov, I N, Grzywacz, R, Rykaczewski, K P, Gross, C J, Miller, D, Stracener, D W, Batchelder, J C, Brewer, N T, Cartegni, L, Hamilton, J H, Hwang, J K, Liu, S H, Ilyushkin, S V, Jost, C, Karny, M, Korgul, A, Królas, W, Kuźniak, A, Mazzocchi, C, Mendez, 2nd, A J, Miernik, K, Padgett, S W, Paulauskas, S V, Ramayya, A V, Winger, J A, Wolińska-Cichocka, M, Zganjar, E F

“…The β decays of neutron-rich nuclei near the doubly magic (78)Ni were studied at the Holifield Radioactive Ion Beam Facility using an electromagnetic isobar…”
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On-line commissioning of the HRIBF resonant ionization laser ion source by Liu, Y., Jost, C.U., Mendez II, A.J., Stracener, D.W., Williams, C.L., Gross, C.J., Grzywacz, R.K., Madurga, M., Miernik, K., Miller, D., Padgett, S., Paulauskas, S.V., Rykaczewski, K.P., Wolinska-Cichocka, M.

“…A highly selective resonant ionization laser ion source has been successfully commissioned at the Holifield Radioactive Ion Beam Facility, Oak Ridge National…”
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Modular Total Absorption Spectrometer at the HRIBF (ORNL, Oak Ridge) by Wolińska-Cichocka, M., Rykaczewski, K.P., Fijałkowska, A., Karny, M., Grzywacz, R.K., Gross, C.J., Johnson, J.W., Rasco, B.C., Zganjar, E.F.

“…The Modular Total Absorption Spectrometer (MTAS) array has been designed, constructed, characterized, and applied to the decay studies of 238U fission products…”
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Large beta-delayed one-neutron and two-neutron emission rates in the decay of 86Ga by Batchelder, J. C., Gross, Carl J., Grzywacz, Robert Kazimierz, Miernik, Krzysztof A., Anthony J. Mendez, II, Mazzocchi, C., Madurga, M., Liu, Yuan, Paulauskas, Stanley V., Miller, D., Rykaczewski, Krzysztof Piotr, Winger, J. A., Wolinska-Cichocka, M, Brewer, N. T., Borzov, Ivan N., Jost, Carola U.

“…Beta decay of Ga86 was studied by means of β-neutron-γ spectroscopy. An isotopically pure 86Ga beam was produced at the Holifield Radioactive Ion Beam Facility…”
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Conquering nuclear pandemonium by Rykaczewski, Krzysztof

“…An international team has solved an essential part of a long-standing discrepancy in the electromagnetic decay heat that occurs after fission of the nuclear…”
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Large -Delayed Neutron Emission Probabilities in the 78Ni Region by Winger, J. A., Rykaczewski, Krzysztof Piotr, Gross, Carl J, Grzywacz, Robert Kazimierz, Shapira, Dan

“…The -delayed neutron branching ratios (P n) for nuclei near doubly magic 78Ni have been directly measured using a new method combining high-resolution mass…”
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New insights into the 243Am + 48Ca reaction products previously observed in the experiments on elements 113, 115, and 117 by Oganessian, Yu Ts, Abdullin, F Sh, Dmitriev, S N, Gostic, J M, Hamilton, J H, Henderson, R A, Itkis, M G, Moody, K J, Polyakov, A N, Ramayya, A V, Roberto, J B, Rykaczewski, K P, Sagaidak, R N, Shaughnessy, D A, Shirokovsky, I V, Stoyer, M A, Subbotin, V G, Sukhov, A M, Tsyganov, Yu S, Utyonkov, V K, Voinov, A A, Vostokin, G K

“…Results of a new series of experiments on the study of production cross sections and decay properties of the isotopes of element 115 in the reaction…”
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Eleven new heaviest isotopes of elements Z = 105 to Z = 117 identified among the products of 249Bk+48Ca reactions by Oganessian, Yuri Ts, Abdullin, F. Sh, Bailey, P. D., Benker, D. E., Bennett, M. E., Dmitriev, S., Ezold, Julie G., Hamilton, J. H., Henderson, R., Itkis, M. G., Lobanov, Yu. V., Mezentsev, A. N., Moody, K., Nelson, S. L., Polyakov, A. N., Porter, C. E., Ramayya, A. V., Riley, F. D., Roberto, James B, Ryabinin, M. A., Rykaczewski, Krzysztof Piotr, Taylor, R, Tsyganov, Yu. S., Utyonkov, V., Voinov, A. A., Vostokin, G. K., Wilk, P. A.

“…The heaviest isotopes of elements Z = 117 to Z = 105, 294117, 293117, 290115, 289115, 286113, 285113, 282Rg, 281Rg, 278Mt, 274Bh, and 270Db, were identified by…”
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Radiative Electron Capture in the First-Forbidden Unique Decay of 81Kr by Mianowski, S., Werner-Malento, E., Korgul, A., Pomorski, M., Pachucki, K., Pfutzner, M., Szweryn, B., Zylicz, J., Hornshoj, P., Nilsson, T., Rykaczewski, Krzysztof Piotr

“…The photon spectrum accompanying the orbital K-electron capture in the first-forbidden unique decay of 81Kr was measured.The total radiation intensity for…”
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Synthesis of a new element with atomic number Z=117 by Oganessian, Yuri Ts, Abdullin, F. Sh, Bailey, P. D., Benker, D. E., Bennett, M. E., Dmitriev, S., Ezold, Julie G., Hamilton, J. H., Henderson, R., Itkis, M. G., Lobanov, Yu. V., Mezentsev, A. N., Moody, K., Nelson, S. L., Polyakov, A. N., Porter, C. E., Ramayya, A. V., Riley, F. D., Roberto, James B, Ryabinin, M. A., Rykaczewski, Krzysztof Piotr, Sagaidak, R. N., Shaughnessy, D., Shirokovsky, I. V., Stoyer, M., Subbotin, V. G., Sudowe, R., Sukhov, A. M., Tsyganov, Yu. S., Utyonkov, V., Voinov, A. A., Vostokin, G. K., Wilk, P. A.

“…The discovery of a new chemical element with atomic number Z=117 is reported. The isotopes 293117 and 294117 were produced in fusion reactions between 48Ca and…”
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Complete correlation studies of two-proton decays: 6Be and 45Fe by Grigorenko, L.V., Wiser, T.D., Miernik, K., Charity, R.J., Pfützner, M., Banu, A., Bingham, C.R., Ćwiok, M., Darby, I.G., Dominik, W., Elson, J.M., Ginter, T., Grzywacz, R., Janas, Z., Karny, M., Korgul, A., Liddick, S.N., Mercurio, K., Rajabali, M., Rykaczewski, K., Shane, R., Sobotka, L.G., Stolz, A., Trache, L., Tribble, R.E., Wuosmaa, A.H., Zhukov, M.V.

“…The complete three-body correlation pictures are experimentally reconstructed for the two-proton decays of the 6Be and 45Fe ground states. We are able to see…”
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Two-proton correlations in the decay of 45Fe by Miernik, K, Dominik, W, Janas, Z, Pfützner, M, Grigorenko, L, Bingham, C R, Czyrkowski, H, Cwiok, M, Darby, I G, Dabrowski, R, Ginter, T, Grzywacz, R, Karny, M, Korgul, A, Kuśmierz, W, Liddick, S N, Rajabali, M, Rykaczewski, K, Stolz, A

“…The decay of extremely neutron-deficient 45Fe has been studied in detail by means of a novel type of a gaseous detector employing digital imaging to record…”
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β -decay properties of the very neutron-rich isotopes Ge 86 and As 86 by Mazzocchi, C., Rykaczewski, K. P., Grzywacz, R., Bączyk, P., Bingham, C. R., Brewer, N. T., Gross, C. J., Jost, C., Karny, M., Korgul, A., Madurga, M., Mendez, A. J., Miernik, K., Miller, D., Padgett, S., Paulauskas, S. V., Sonzogni, A. A., Stracener, D. W., Wolińska-Cichocka, M.

“…For this research, the β -decay properties of very neutron rich nuclei 86Ge and 86As were measured at the Holifield Radioactive Ion Beam Facility at Oak Ridge…”
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Alpha decay of 109I and its implications for the proton decay of 105Sb and the astrophysical rapid proton-capture process by Mazzocchi, C, Grzywacz, R, Liddick, S N, Rykaczewski, K P, Schatz, H, Batchelder, J C, Bingham, C R, Gross, C J, Hamilton, J H, Hwang, J K, Ilyushkin, S, Korgul, A, Królas, W, Li, K, Page, R D, Simpson, D, Winger, J A

“…An alpha-decay branch of (1.4+/-0.4) x 10(-4) has been discovered in the decay of 109I, which predominantly decays via proton emission. The measured Q(alpha)…”
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Shell structure beyond the proton drip line studied via proton emission from deformed 141Ho by Karny, M., Rykaczewski, K.P., Grzywacz, R.K., Batchelder, J.C., Bingham, C.R., Goodin, C., Gross, C.J., Hamilton, J.H., Korgul, A., Królas, W., Liddick, S.N., Li, K., Maier, K.H., Mazzocchi, C., Piechaczek, A., Rykaczewski, K., Schapira, D., Simpson, D., Tantawy, M.N., Winger, J.A., Yu, C.H., Zganjar, E.F., Nikolov, N., Dobaczewski, J., Kruppa, A.T., Nazarewicz, W., Stoitsov, M.V.

“…Fine structure in proton emission from the 7/2−[523] ground state and from the 1/2+[411] isomer in deformed nucleus 141Ho was studied by means of…”
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