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Journal Articles

Superheavy element flerovium (element 114) is a volatile metal

Yakushev, A.*; Gates, J. M.*; T$"u$rler, A.*; Sch$"a$del, M.; D$"u$llmann, Ch. E.*; Ackermann, D.*; Andersson, L.-L.*; Block, M.*; Br$"u$chle, W.*; Dvorak, J.*; et al.

Inorganic Chemistry, 53(3), p.1624 - 1629, 2014/02

 Times Cited Count:66 Percentile:1.69(Chemistry, Inorganic & Nuclear)

We report on a gas-solid chromatography study of the adsorption of element 114 (flerovium, Fl) on a Au surface. Fl was produced in the nuclear fusion reaction $$^{244}$$Pu($$^{48}$$Ca, 3-4n)$$^{288,289}$$Fl and was isolated in-flight from the primary $$^{48}$$ beam in a physical recoil separator. The adsorption behavior of Fl, its nuclear $$alpha$$-decay product Cn, their lighter homologues in groups 14 and 12, i.e., Pb and Hg, and the noble gas Rn were studied simultaneously by isothermal gas chromatography and thermochromatography. Two Fl atoms were detected. They adsorbed on a Au surface at room temperature, but not as readily as Pb and Hg. The observed adsorption behavior of Fl points to a higher inertness compared to its nearest homologue in the group, Pb. However, the measured lower limit for the adsorption enthalpy of Fl on a Au surface points to the formation of a metal-metal bond of Fl with Au. Fl is the least reactive element in the group, but still a metal.

Journal Articles

Investigation of fission properties and evaporation residue measurement in the reactions using $$^{238}$$U target nucleus

Nishio, Katsuhisa; Ikezoe, Hiroshi; Hofmann, S.*; Ackermann, D.*; Antalic, S.*; Aritomo, Yoshihiro; Comas, V. F.*; D$"u$llmann, Ch. E.*; Gorshkov, A.*; Graeger, R.*; et al.

EPJ Web of Conferences, 17, p.09005_1 - 09005_4, 2011/10

 Times Cited Count:1 Percentile:50.21

Journal Articles

The Recoil transfer chamber; An Interface to connect the physical preseparator TASCA with chemistry and counting setups

Even, J.*; Ballof, J.*; Br$"u$chle, W.*; Buda, R. A.*; D$"u$llmann, Ch. E.*; Eberhardt, K.*; Gorshkov, A.*; Gromm, E.*; Hild, D.*; J$"a$ger, E.*; et al.

Nuclear Instruments and Methods in Physics Research A, 638(1), p.157 - 164, 2011/03

 Times Cited Count:19 Percentile:13.9(Instruments & Instrumentation)

Journal Articles

Nuclear orientation in the reaction $$^{34}$$S+$$^{238}$$U and synthesis of the new isotope $$^{268}$$Hs

Nishio, Katsuhisa; Hofmann, S.*; He${ss}$berger, F. P.*; Ackermann, D.*; Antalic, S.*; Aritomo, Yoshihiro; Comas, V. F.*; D$"u$llmann, Ch. E.*; Gorshkov, A.*; Graeger, R.*; et al.

Physical Review C, 82(2), p.024611_1 - 024611_9, 2010/08

 Times Cited Count:65 Percentile:4.23(Physics, Nuclear)

Journal Articles

Experimental study of the $$^{238}$$U($$^{36}$$S, 3-5$$n$$)$$^{269-271}$$Hs reaction leading to the observation of $$^{270}$$Hs

Graeger, R.*; Ackermann, D.*; Chelnokov, M.*; Chepigin, V.*; D$"u$llmann, C. E.*; Dvorak, J.*; Even, J.*; Gorshkov, A.*; He${ss}$berger, F. P.*; Hild, D.*; et al.

Physical Review C, 81(6), p.061601_1 - 061601_5, 2010/06

 Times Cited Count:37 Percentile:9.94(Physics, Nuclear)

Journal Articles

Doubly magic nucleus $$^{270}_{108}$$Hs$$_{162}$$

Dvorak, J.*; Br$"u$chle, W.*; Chelnokov, M.*; Dressler, R.*; D$"u$llmann, Ch. E.*; Eberhardt, K.*; Gorshkov, V.*; J$"a$ger, E.*; Kr$"u$cken, R.*; Kuznetsov, A.*; et al.

Physical Review Letters, 97(24), p.242501_1 - 242501_4, 2006/12

 Times Cited Count:130 Percentile:4.1(Physics, Multidisciplinary)

no abstracts in English

Oral presentation

A New isotope $$^{268}$$Hs produced in the subbarrier fusion reaction of $$^{34}$$S+$$^{238}$$U

Nishio, Katsuhisa; Hofmann, S.*; He${ss}$berger, F. P.*; Ackermann, D.*; Antalic, S.*; Comas, V. F.*; D$"u$llmann, Ch. E.*; Gorshkov, A.*; Graeger, R.*; Heinz, S.*; et al.

no journal, , 

no abstracts in English

Oral presentation

Nuclear orientation in fusion and synthesis of heavy element at sub-barrier energy

Nishio, Katsuhisa; Ikezoe, Hiroshi; Hofmann, S.*; Ackermann, D.*; Antalic, S.*; Aritomo, Yoshihiro; Comas, V. F.*; D$"u$llmann, Ch. E.*; Gorshkov, A.*; Graeger, R.*; et al.

no journal, , 

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