Heavy Elements - Publications

 

Discovery of the Heaviest Elements

F.P. Heßberger

ChemPhysChem 14, 483 (2013)  (DOI:10.10023/cphc.201201011)

 

Direct Mapping of shell effects in the heaviest nuclei

E. Minaya Ramirez, D. Ackermann, K. Blaum, M. Block, C. Droese, Ch.E. Düllmann, M. Dworschak, M. Eibach,  S. Eliseev, E. Haettner, F. Herfurth, F.P. Heßberger, S. Hofmann, J. Ketelaer, G. Marx, M. Mazzocco, D. Nesterenko, Yu.N. Novikov, W.R. Plaß, D. Rodriguez, C. Scheidenberger, L. Schweick-Hard, P.G. Thirolf, C. Weber

Science 337, 1207 (2012)

 

The source of ‚background’ fission events in experiments on superheavy elements

S. Heinz, S. Hofmann, V. Comas, D. Ackermann, J. Heredia, F.P. Heßberger, J. Khuyagbaatar, B. Kindler, B. Lommel, R. Mann

Eur. Phys. J. A 48:32 (2012)

 

The reaction 48Ca + 248Cm → 296116* studied at the GSI-SHIP

S. Hofmann, S. Heinz, R. Mann, J. Maurer, J. Khuyagbaatar, D. Ackermann, S. Antalic, W. Barth, M. Block, H.G. Burkhard, V.F. Comas, L. Dahl, K. Eberhardt, J. Gostic, R.A. Henderson, J.A. Heredia, F.P. Heßberger, J.M. Kenneally, B. Kindler, I. Kojouharov, J.V. Kratz, R. Lang, M. Leino, B. Lommel, K.J. Moody, G. Mümzenberg, S.L. Nelson, K. Nishio, A.G. Popelo, J. Runke, S. Saro, D.A. Shaughnessy, M.A. Stoyer, P. Thörle-Pospiech, K. Tinschert, N. Trautmann, J. Uusitalo, P.A. Wilk, A.V. Yeremin

Eur. Phys. J A 48:62 (2012)

 

First superheavy element experiments at TASCA: the production and decay of element 114 in the 244(Pu,3-4n)  reaction

 J.M. Gates, Ch.E. Düllmann, M. Schädel, A. Yakushev,  A. Türler, K. Eberhardt,  J.V. Kratz, D. Ackermann, L.-L. Andersson,  M. Block,  W. Brüchle,  J. Dvorak, H.G. Essel,  P.A. Ellison, J. Even, U.Forsberg, J.Gellanki,  A. Gorshkov,  R. Graeger,  K.E. Gregorich,  W. Hartmann,  R.-D. Herzberg, F.P. Heßberger, D. Hild, A. Hübner, E. Jäger, J. Khuyagbaatar, B. Kindler, J. Krier, N. Kurz, S. Lahiri, D. Liebe, B. Lommel, M. Maiti,  H. Nitsche,  J.P. Omtvedt,  E. Parr, D. Rudolph,  J. Runke,  B. Schausten, E. Schimpf, A. Semchenkov,  J. Steiner,  P. Thörle-Pospiech, J. Uusitalo,  M. Wegrzecki, N. Wiehl

Phys. Rev. C 83, 054618 (2011)

 

Production and decay of element 114: high cross sections and the new nucleus 277Hs

Ch.E. Düllmann, M. Schädel, A. Yakushev,  A. Türler, K. Eberhardt,  J.V. Kratz, D. Ackermann, L.-L. Andersson,  M. Block,  W. Brüchle,  J. Dvorak, H.G. Essel,  P.A. Ellison, J. Even, J.M. Gates, A. Gorshkov,  R. Graeger,  K.E. Gregorich,  W. Hartmann,  R.-D. Herzberg, F.P. Heßberger, D. Hild, A. Hübner, E. Jäger, J. Khuyagbaatar, B. Kindler, J. Krier, N. Kurz, S. Lahiri, D. Liebe, B. Lommel, M. Maiti,  H. Nitsche,  J.P. Omtvedt,  E. Parr, D. Rudolph,  J. Runke,  B. Schausten, E. Schimpf, A. Semchenkov,  J. Steiner,  P. Thörle-Pospiech, J. Uusitalo,  M. Wegrzecki, N. Wiehl

Phys. Rev. Lett.  104, 252701 (2010)

 

The reaction 48Ca + 238U → 286112* studied at the GSI-SHIP

S. Hofmann, D. Ackermann, S. Antalic, H.G. Burkhard, V.F. Comas, R. Dressler, Z. Gan, S. Heinz, J.A. Heredia, F.P. Heßberger, J. Khuyagbaatar, B. Kindler, I. Kojouharov, P. Kuusiniemi, M. Leino, B. Lommel, R.Mann, G.Münzenberg, K. Nishio, A.G. Popeko, Š. Šaro, H.J.Schött, B. Streicher, B. Sulignano, J. Uusitalo, M. Venhart, A.V.Yeremin

Eur.Phys.J. A 32, 251 (2007)

 

New Results on Elements 111 and 112

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

Eur.Phys.J. A 14, 147 2002

 

The discovery of the heaviest elements

S. Hofmann and G. Münzenberg

Rev. Mod. Phys., 72, 733-767 2000

 

Formation of superheavy elements in cold fusion reactions

Denisov, V.Yu. and Hofmann, S.

Phys. Rev. C61, 034606-1-15, 2000

 

Effect of the entrance channel on the synthesis of superheavy elements

G. Giardina, S. Hofmann, A.I. Muminov, A.K. Nasirov

Eur.Phys.J. A 8 2000 2, 205-216

 

Synthesis and properties of superheavy elements

Hofmann, S.

Radiochimica Acta, 84, 121-134, 1999

 

Experiments with superheavy nuclei

Hofmann, S.

Acta Phys. Pol., B30, 621-634, 1999

 

Superheavy elements

Hofmann, S.

Nucl. Phys. A, 654, 252c-269c, 1999

 

Synthesis of heavy and superheavy elements

Hofmann, S.

Nuovo Cimento 111A, 771-781, 1998

 

Discovery of the heaviest elements

Münzenberg, G. and Hofmann, S.

in "Heavy Elements and Related Phenomena", Volume I,
Greiner, W. and Gupta, R.K., Eds., Worl Scientific, Singapore, 1999, p. 9-42

 

Production of heavy evaporation residues in the reactions induced by an extracted 48Ca beam on a 208Pb target

Yeremin, A.V.,Chepigin, V.I., Itkis, M.G., Kabachenko, A.P., Korotkov, S.P., Malyshev, O.N., Oganessian, Yu.Ts., Popeko, A.G., Roháç, J., Sagaidak, R.N., Chelnokov, M.L., Gorshkov, V.A., Lavrentev, A.Yu., Hofmann, S., Münzenberg, G., Veselsky, M., Saro, S., Morita, K., Iwasa, N., Mulgin, S.I., and Zhdanov, S.V.

JINR Rapid Comm. 6, 21-34, 1998

 

Synthesis of nuclei of the superheavy element 114 in reactions induced by 48Ca

Oganessian, Yu.Ts., Yeremin, A.V., Popeko, A.G., Bogomolov, S.L., Buklanov, G.V., Chelnokov, M.L., Chepigin, V.I., Gikal, B.N., Gorshkov, V.A., Gulbekian, G.G., Itkis, M.G., Kabachenko, A.P., Lavrentev, A.Yu., Malyshev, O.N., Roháç, J., Sagaidak, R.N., Hofmann, S., Saro, S., Giardina, G., and Morita, K.

Nature, 400, 242-245, 1999

 

Search for new isotopes of element 112 by irradiation of 238U with 48Ca

Oganessian, Yu.Ts., Yeremin, A.V., Gulbekian, G.G., Bogomolov, S.L., Chepigin, V.I., Gikal, B.N., Gorshkov, V.A., Itkis, M.G., Kabachenko, A.P., Kutner, V.B., Lavrentev, A.Yu., Malyshev, O.N., Popeko, A.G., Roháç, J., Sagaidak, R.N., Hofmann, S., Münzenberg, G., Veselsky, M., Saro, S., Iwasa, N., and Morita, K.

Eur. Phys. J. A, 5, 63-68, 1999

 

Experiments on the synthesis of superheavy elements with Z=110, 112 via 232Th, 238U+48Ca reactions

Oganessian, Yu.Ts., Yeremin, A.V., Chepigin, V.I., Itkis, M.G., Kabachenko, A.P., Konstantinesky, O., Konstantinesky, M.,Malyshev, O.N., Popeko, A.G., Roháç, J., Sagaidak, R.N., Shirokovsky, I.V., Utyonkov, V.K., Hofmann, S., Münzenberg, G., Veselsky, M., Saro, S., Iwasa, N.,Morita, K., Yoneda, A., and Hussonnois, M.

Acta Physica Slovaca, 49, 65-74, 1999

 

Making New Elements

P. Armbruster, F.P. Heßberger:

Scientific American, Vol. 279,3 (September 1998) 50

 

The first experiments at the FLNR JINR on production of heavy residues in the reactions induced by an external 48Ca beam on a 208Pb target

A.V. Yeremin, V.I. Chepigin, M.G. Itkis, A.P. Kabachenko, S.P. Korotkov, O.N.Malyshev, Yu.Ts. Oganessian, A.G. Popeko, J. Roháç, R.N, Sagaidak, M.L. Chelnokov, V.A. Gorshkov, A.Yu. Lavrentev, S.L. Bogomolov, B.N.Gikal, G.G. Gulbekian, V.B. Kutner, A.V. Tikhomirov, S. Hofmann, G. Münzenberg, M. Veselsky, S. Sharo, K. Morita, N. Iwasa, S.I. Mulgin and S.V. Zhdanov

JINR Rapid Communications, N5, 1998

 

New elements - Approaching Z=114

S. Hofmann

Rep. Prog. Phys., 61, 639-689, 1998

 

Spontaneous fission and alpha-decay properties of neutron deficient isotopes 257-253104 and 258106

Heßberger, F.P., Hofmann, S., Ninov, V., Armbruster, P., Folger, H., Münzenberg, G., Schött, H.J., Popeko, A.G., Yeremin, A.V., Andreyev, A.N., and Saro, S.

Z. Phys., A359, 415-425, 1997

abstract

 

Single-particle enhancement of heavy element production

Möller, P., Nix, J.R., Armbruster, P., Hofmann, S., Münzenberg, G.

Z. Phys., A359, 251-255, 1997

 

Excitation function for the production of 265108 and 266109

Hofmann, S., Heßberger, F.P., Ninov, V., Armbruster, P., Münzenberg, G., Stodel, C., Popeko, A.G., Yeremin, A.V., Saro, S., and Leino, M

Z. Phys., A358, 377-378, 1997

abstract

 

Approaching superheavy elements

S. Hofmann

Nucl. Phys. News, 6, 26-32, 1996

 

Prospects for the discovery of new elements

M. Schädel and S. Hofmann

Journal of Radioanalytical and Nuclear Chemistry, Articles, 203, 283-300, 1996

 

Identification of new mendelevium and einsteinium isotopes in bombardments of 209Bi with 40Ar

V.Ninov, F.P.Heßberger, S.Hofmann, H.Folger, G.Münzenberg, P.Armbruster, A.V.Yeremin, A.G. Popeko, M.Leino, S.Saro

Z. Phys. A 356 (1996) 11

 

The New Element 112

Hofmann, S., Ninov, V., Heßberger, F.P., Armbruster, P., Folger, H., Münzenberg, G., Schött, H.J., Popeko, A.G., Yeremin, A.V., Saro, S., Janik, R., and Leino, M.

Z. Phys., A354, 229-230, 1996

abstract

 

The new element Z=110

S. Hofmann

Nuclear Physics News 5, 28, 1995

 

The New Element 111

Hofmann, S., Ninov, V., Heßberger, F.P., Armbruster, P., Folger, H., Münzenberg, G., Schött, H.J., Popeko, A.G., Yeremin, A.V., Andreyev, A.N., Saro, S., Janik, R., and Leino, M.

Z. Phys. A350, 281-282, 1995

abstract

 

Production and Decay of 269110

Hofmann, S., Ninov, V., Heßberger, F.P., Armbruster, P., Folger, H., Münzenberg, G., Schött, H.J., Popeko, A.G., Yeremin, A.V., Andreyev, A.N., Saro, S., Janik, R., and Leino, M.

Z. Phys. A350, 277-280, 1995

abstract

 

Shell structure of the heaviest elements

Cwiok, S., Hofmann, S., and Nazarewicz, W.

Nucl. Phys. A573, 356-394, 1994

 

Response to the report of the transfermium working group

Armbruster, P., Hessberger, F.P., Hofmann, S., Leino, M., Münzenberg, G., Reisdorf, W., and Schmidt, K.H.

Prog. Part. Nucl. Phys. 31, 241-243, 1993

 

Investigation of the fusion reaction 27Al + 236U at excitation energies of 57 MeV and 65 MeV

A.N. Andreyev, D.D. Bogdanov, V.I. Chepigin, A.P. Kabachenko, O.N. Malyshev, Yu.Ts. Oganessian, R.N. Sagaidak, G.M. Ter-Akopian, A.V. Yeremin, F.P. Heßberger, S. Hofmann, V. Ninov, M. Florek, S. Saro, and M. Veselsky

Z. Phys. A344, 225-227, 1993

 

Cold Fusion Reactions with 48Ca

H.W. Gäggeler, D.T. Jost, A. Türler, P. Armbruster, W. Brüchle, H. Folger, F.P. Heßberger, S. Hofmann, G. Münzenberg, V. Ninov, W. Reisdorf, M. Schädel, K. Sümmerer, J.V. Kratz, U. Scherer, and M.E. Leino

Nucl. Phys. A502, 561c-570c, 1989

 

Element 107

G. Münzenberg, P. Armbruster, S. Hofmann, F.P. Heßberger, H. Folger, J.G. Keller, V. Ninov, K. Poppensieker, A.B. Quint, W. Reisdorf, K.H. Schmidt, J.R.H. Schneider, H.J. Schött, K. Sümmerer, I. Zychor, M.E. Leino, D. Ackermann, U. Gollerthan, E. Hanelt, W. Morawek, D. Vermeulen, Y. Fujita, and T. Schwab

Z. Phys. A333, 163-175, 1989

 

Determination of the Partial Electron Capture- and Spontaneous-Fission Half-Lives of 254No

A. Türler, H.W. Gäggeler, D.T. Jost, P. Armbruster, W. Brüchle, H. Folger, F.P. Heßberger, S. Hofmann. G. Münzenberg, V. Ninov, M. Schädel, K. Sümmerer, J.V. Kratz, and U. Scherer

Z. Phys. A331, 363-364, 1988

 

New Results on Element 109

G. Münzenberg, S. Hofmann, F.P. Heßberger, H. Folger, V. Ninov, K. Poppensieker, A.B. Quint, W. Reisdorf, H.J. Schött, K. Sümmerer, P. Armbruster, M.E. Leino, D. Ackermann, U. Gollerthan, E. Hanelt, W. Morawek, Y. Fujita, T. Schwab, and A. Türler

Z. Phys. A330, 435-436, 1988

 

Observation of the Isotopes 264108 and 265108

G. Münzenberg, P. Armbruster, G. Berthes, H. Folger, F.P. Heßberger, S. Hofmann, J. Keller, K. Poppensieker, A.B. Quint, W. Reisdorf, K.H. Schmidt, H.J. Schött, K. Sümmerer, I. Zychor, M.E. Leino, R. Hingmann, U. Gollerthan, and E. Hanelt

Z. Phys. A328, 49-59, 1987

 

Attempt to synthesize element 110 by fusion of 64Ni + 208Pb

Münzenberg, G., Heßberger, F.P., Armbruster, P., Hofmann, S., Schmidt, K.H., Berthes, G., Folger, H., Geissel, H., Keller, J.G., Lemmertz, P., Montoya, M., Poppensieker, K., Quint, B., Schött, H.J., Zychor, I., Leino, M.E., and Gollerthan, U.

GSI Annual Report 1985, GSI-86-1, p. 29, 1986

 

Evidence for 264108, the Heaviest Known Even-Even Isotope

G. Münzenberg, P. Armbruster, G. Berthes, H. Folger, F.P. Heßberger, S. Hofmann, K. Poppensieker, W. Reisdorf, B. Quint, K.H. Schmidt, H.J. Schött, K. Sümmerer, I. Zychor, M.E. Leino, U. Gollerthan, and E. Hanelt

Z. Phys. A324, 489-490, 1986

 

The Isotopes 259106, 260106, and 261106

G. Münzenberg, S. Hofmann, H. Folger, F.P. Heßberger, J. Keller, K. Poppensieker, B. Quint, W. Reisdorf, K.H. Schmidt, H.J. Schött, P. Armbruster, M.E. Leino, and R. Hingmann

Z. Phys. A322, 227-235, 1985

 

The New Isotopes 258105, 257105, 254Lr, and 253Lr

F.P. Heßberger, G. Münzenberg, S. Hofmann, Y.K. Agarwal, K. Poppensieker, W. Reisdorf, K.H. Schmidt, J.R.H. Schneider, W.F.W. Schneider, H.J. Schött, P. Armbruster, B. Thuma, C.C. Sahm, and D. Vermeulen

Z. Phys. A322, 557-566, 1985

 

Study of Evaporation Residues Produced in Reactions of 207,208Pb with 50Ti

F.P. Heßberger, G. Münzenberg, S. Hofmann, W. Reisdorf, K.H. Schmidt, H.J. Schött, P. Armbruster, R. Hingmann, B. Thuma, and D. Vermeulen

Z. Phys. A321, 317-327, 1985

 

Attempts to Produce Superheavy Elements by Fusion of 48Ca with 248Cm in the Bombarding Energy Range of 4.5-5.2 MeV/u

P. Armbruster, Y.K. Agarwal, W. Brüchle, M. Brügger, J.P. Dufour, H. Gäggeler, F.P. Heßberger, S. Hofmann, P. Lemmertz, G. Münzenberg, K. Poppensieker, W. Reisdorf, M. Schädel, K.H. Schmidt, J.R.H. Schneider, W.F.W. Schneider, K. Sümmerer, D. Vermeulen, G. Wirth, A. Ghiorso, K.E. Gregorich, D. Lee, M.E. Leino, K.J. Moody, G.T. Seaborg, R.B. Welch, P. Wilmarth, S. Yashita, C. Frink, N. Greulich, G. Herrmann, U. Hickmann, N. Hildebrand, J.V. Kratz, N. Trautmann, M.M. Fowler, D.C. Hoffman, W.R. Daniels, H.R. von Gunten, and H. Dornhöfer

Phys. Rev. Lett. 54, 406-409, 1985

 

Kalte Fusion massiver Kerne - ein Weg zu Isotopen an den Grenzen der Stabilität

S. Hofmann, G. Münzenberg, W. Reisdorf und K.H. Schmidt

Phys. Blätter 40, 188-194, 1984

 

The Identification of Element 108

G. Münzenberg, P. Armbruster, H. Folger, F.P. Heßberger, S. Hofmann, J. Keller, K. Poppensieker, W. Reisdorf, K.H. Schmidt, H.J. Schött, M.E. Leino, and R. Hingmann

Z. Phys. A317, 235-236, 1984

 

Evidence for Element 109 from One Correlated Decay Sequence Following the Fusion of 58Fe with 209Bi

G. Münzenberg, W. Reisdorf, S. Hofmann, Y.K. Agarwal, F.P. Heßberger, K. Poppensieker, J.R.H. Schneider, W.F.W. Schneider, K.H. Schmidt, H.J. Schött, P. Armbruster, C.C. Sahm, and D. Vermeulen

Z. Phys. A315, 145-158, 1984

 

Observation of One Correlated α-Decay in the Reaction 58Fe on 209Bi → 267109

G. Münzenberg, P. Armbruster, F.P. Heßberger, S. Hofmann, K. Poppensieker, W. Reisdorf, J.R.H. Schneider, W.F.W. Schneider, K.H. Schmidt, C.C. Sahm, and D. Vermeulen

Z. Phys. A309, 89-90, 1982

 

Erzeugung und Nachweis von Kernen der Elemente Fm bis 107 aus Schwerionen-Fusionsreaktionen

G. Münzenberg, S. Hofmann, F.P. Heßberger, W. Reisdorf, K.H. Schmidt, W. Faust, H.J. Schött, P. Armbruster, K. Güttner, B. Thuma, D. Vermeulen, and C.C. Sahm

Atomkernenergie - Kerntechnik 40, 31-38, 1882

 

The New Isotopes 247Md, 243Fm, 239Cf, and Investigation of the Evaporation Residues from Fusion of 206Pb, 208Pb, and 209Bi with 40Ar

G. Münzenberg, S. Hofmann, W. Faust, F.P. Heßberger, W. Reisdorf, K.H. Schmidt, T. Kitahara, P. Armbruster, K. Güttner, B. Thuma, and D. Vermeulen

Z. Phys. A302, 7-14, 1981

 

Identification of Element 107 by α-Correlation Chains

G. Münzenberg, S. Hofmann, F.P. Heßberger, W. Reisdorf, K.H. Schmidt, J.R.H. Schneider, P. Armbruster, C.C. Sahm, and B. Thuma

Z. Phys. A300, 107-108, 1981

 

Production of 243-246Fm and 256-257104 by Fusion of 206-208Pb with 40Ar and 50Ti, Respectively

G. Münzenberg, P. Armbruster, W. Faust, K. Güttner, F.P. Heßberger, S. Hofmann, W. Reisdorf, K.H. Schmidt, B. Thuma, and D. Vermeulen

Dubna, 1980

Heavy Elements - Conferences

 

Studies of Superheavy Elements at GSI – Status an Perspectives for the Next Decade

F.P. Heßberger

(Physics beyond the Standard Models of Particles, Cosmology and Astrophysics; Proceedings of the Fitfth International Conference – Beyond 2010, Kapstadt (Südafrika), Eds. H.V. Klapdor- Kleingrothaus, I.V. Krivosheina, R. Vollier, World Scientific, New Jersey, London, Singapore, Beijing, Shanghai, Hong Kong, Taipei, Chennai, 675 (2011)

 

Production and Properties of the Heaviest Elements - Status and Perspectives

H. Backe, F.P. Heßberger, M. Sewtz, A. Türler

Eur. Phys. J. D 45, 3 (2007);

DOI: 10.1140/epjd/e2007-00253-y

(Workshop on Atomic Properties of the Heaviest Elements, Kloster Frauenwöhr im Chiemsee, Deutschland, 25. - 28. September 2006)

 

Heavy Element Research at GSI - Recent Results and Perspectives

S. Hofmann

Symposium on Nuclear Clusters: From Light Exotic to Superheavy Nuclei,
Rauischholzhausen, Germany, August 5-9, 2002,
Jolos, R. and Scheid, W., Eds.,
EP Systema, Debrecen, Hungary 2003, 495, p. 337-344

 

Advances in the Search for Superheavy Elements at GSI

S. Hofmann

Symposium on Nuclear Clusters: From Light Exotic to Superheavy Nuclei,
Rauischholzhausen, Germany, August 5-9, 2002,
Jolos, R. and Scheid, W., Eds.,
Acta Phys.Hung.N.S. 14, 181 2001

 

Status and prospects of synthesizing superheavy elements

S. Hofmann


The 3rd Intenational Conferenence on Exotic Nuclei and Atomic Masses ENAM2001, Hämeenlinna, Finnland, July 2-7,2001,
J. Äystö, P. Dendooven, A. Jokinen, A. and M. Leino Eds.,
Eur.Phys.J. A 15, 195 2002 495, p. 195-200

 

Synthesis of Superheavy Elements at the GSI SHIP

S. Hofmann


(221st ACS National Meeting, San Diego, CA, April 1-5, 2001)

 

GSI Experiments on the Synthesis of Superheavy Elements - Results and Plans for the Future

F.P. Heßberger, S. Hofmann, D. Ackermann, P. Armbruster, B. Kindler, B.Lommel, G. Münzenberg, A.Yu. Lavrentev, A.G.Popeko, A.V. Yeremin, M. Leino, S. Saro, P.Cagarda:

Fission and Properties of Neutron-Rich Nuclei, J.H. Hamilton, W.R. Philips, H.K. Carter (Eds.) World Scientific, Singapore, New Jersey, London, Hong Kong (2000) 293

(Second International Conference on Fission and Neutron-rich Nuclei, St. Andrews (Schottland) 28. Juni -  2. Juli 1999)

 

Heavy nuclei start to shape up

Hofmann, S.

Physics World, 12, volume 3, 19, 1999

 

Studies of superheavy elements - status and prospects

Hofmann, S.

Int. Conf. Experimental Nuclear Physics in Europe Facing the Next Millenium,
ENPE 99, Rubio, B., Lozano, M., and Gelletly, W., Eds.,
Sevilla, Spain, June 21-26, 1999, AIP Conference Proceedings 495, p. 137-144

 

Experiments on the Synthesis of new Superheavy Elements

F.P. Heßberger

acta physica slovaca vol. 49 No. 1, 43-52 (1999)

 (Fourth International Conference on 'Dynamical Aspects of Nuclear Fission‘ (DANF98),  Casta Papiernicka (Slowakei),
19. - 23. Oktober 1998)

abstract

 

GSI experiments in the region of heaviest Elements

F.P. Heßberger

Journal of Physics G 25,4 (1999) 877
(International conference on 'Nuclear Structure at the extremes', Lewes, Großbritannien, 17. - 19. Juni 1998)

 

New elements produced at GSI

Hofmann, S.

Proceedings of the 2nd International Conference on Exotic Nuclei and Atomic Masses, ENAM-98, Shanty Creek Resort, Bellaire, Michigan, USA, June 23-27, 1998, Sherril, B.M., Morrissey, D.J., and Davids, C.N., Eds.,
American Inst. of Physics, Conf. Proceedings 455, 1998, p. 625-632

 

The discovery of the elements 110-112

S. Hofmann

Proceedings of The Robert A. Welch Foundation, Conf. on Chemical Research, 41st, The Transactinide Elements,
October 28-29, 1997, Houston, Texas, USA, p. 265-304

 

Recent results of experiments at SHIP

S. Hofmann

Proceedings of the VI International School-Seminar on Heavy Ion Physics,
Dubna, Russia, 22-27 September 1997, Oganessian, Yu.Ts. and Kalpakchieva, R., Eds.,
World Scientific Publishing Co., Singapore, 1998, p. 323-330

 

Spontaneous fission properties of neutron deficient rutherfordium, seaborgium and mendelevium isotopes

Stodel, C., Heßberger, F.P., Ninov, V., Hofmann, S., Armbruster, P., Folger, H., Münzenberg, G., Popeko, A.G., Yeremin, A.V., Andreyev, A.N., Saro,S., and Leino, M.

Proceedings of the VI International School-Seminar on Heavy Ion Physics,
Dubna, Russia, 22-27 September 1997, Oganessian, Yu.Ts. and Kalpakchieva, R., Eds.,
World Scientific Publishing Co., Singapore, 1998, p. 712-719

 

GSI Experiments on the Synthesis of superheavy elements

F.P. Heßberger, S. Hofmann, V. Ninov, P. Armbruster, H. Folger, A.Lavrentev, M.E. Leino, G. Münzenberg, A.G. Popeko, S. Saro, Ch. Stodel, A.V. Yeremin

Contrib. 'Tours Symposium on Nuclear Physics III, Tours, France, Sept. 2nd - 5th, 1997
AIP Conference Proceedings 425, Woodbury, New York (1998), 3

abstract

 

Fusion and Stability of Heaviest Elements

S. Hofmann

Proceedings of the Int. Conf. on Large-Scale Collective Motion of Atomic Nuclei,
October 15-19, 1996, Brolo (Messina), Italy, p. 252-259

 

Discovery of element 112

S. Hofmann

Proceedings of the Int. Conf. on Nuclear Structure at the Limits, July 22-26, 1996,
Argonne, USA, Report ANL/PHY-97/1, p. 259-264

 

Heavy and superheavy nuclei

S. Hofmann

Proceedings of the Int. Conf. on Nuclear Structure Around the Turn of the Century,
July 1-6, 1996, Crete, Greece;
Z. Phys. A358, 125-129, 1997

 

Production of heavy and superheavy nuclei

S. Hofmann

Proceedings of the 4th Int. Conf. on Radioactive Nuclear Beams, June 4-7, 1996,
Omiya, Japan;
Nucl. Phys. A616, 370c-379c, 1997

 

The discovery of elements 110, 111 and 112

S. Hofmann

Proc. Int. Conf. On Nuclear Physics at the Turn of the Millenium: Structure of Vacuum and Elementary Matter, Wilderness/George, South Africa, March 10-16, 1996,
Stöcker, H., Gallmann, A. and Hamilton, J.H., Eds., World Scientific, 1997, p. 3-10

 

GSI Experiments on the synthesis of superheavy elements

F.P.Heßberger

Extremes of Nuclear Structure, Hans Feldmeier, Jörn Knoll, Wolfgang Nörenberg (eds,)
Gesellschft für Schwerionenforschung mbH, Darmstadt (1996) 1
International Workshop on Gross Properties of Nuclei and Nuclear Excitations - Extremesof Nuclear Structure, Hirschegg, Österreich, 15. - 20. Januar 1996)

 

Heavy-element research at GSI

S. Hofmann

Proceedings of the Int. Conf. on Exotic Nuclei and Atomic Masses, ENAM 95, Arles, France, June 19-23, 1995, M. de Saint Simon and O. Sorlin, Eds., Editions Frontieres,
91192 Gif-sur-Yvette Cedex, France, p. 353-362

 

Synthesis of the elements 110 and 111

P. Armbruster, S. Hofmann, and A.Sobiczewski

Postepy Fizyki, 46, 431-452, 1995

 

Production and decay of 271110

Hofmann, S., Ninov, V., Heßberger, F.P., Armbruster, P., Folger, H., Münzenberg, G., Schött, H.J., Popeko, A.G., Yeremin, A.V., Andreyev, A.N., Saro, S., Janik, R., and Leino, M.

GSI Nachrichten 02-1995, p. 4-15

 

Production and stability of new elements

S. Hofmann

Proceedings of the XV. Nuclear Physics Divisional Conference on Low Energy Nuclear Dynamics, St.Petersburg, Russia, April 18-22, 1995, p. 305-312

 

New isotopes of Md: A first step on the way to search for element 110

S. Hofmann

Proceedings of the Tours Symposium on Nuclear Physics II, Tours, France, 1994

 

Alpha Decay and Fission of New Neutron Deficient Mendelevium Isotopes

Hofmann, S., Ninov, V., Heßberger, F.P., Folger, H., Münzenberg, G., Schött, H.J., Armbruster, P., Andreyev, A.N., Popeko, A.G., Yeremin, A.V., Leino, M.E., Janik, R., Saro, S., and Veselsky, M.

GSI Annual Report 1993, GSI-94-1, p. 64

 

Plans to identify heavy elements produced in reactions with cross-sections of picobarn and below

S. Hofmann

Proceedings of the Actinides-93 International Conference, Santa Fe, New Mexico, USA, 19-24 September, 1993
Journal of Alloys and Compounds 213/214, 74-80, 1994

 

Synthesis of heavy nuclei in asymmetric target-projectile combinations

Yeremin, A.V., Andreyev, A.N., Bogdanov, D.D., Chepigin, V.I., Florek, M., Heßberger, F.P., Hofmann, S., Kabachenko, A.P., Malyshev, O.N., Ninov, V., Oganessian, Yu.Ts., Popeko, A.G., Sagaidak, R.N., Sharo, S., Ter-Akopian, G.M., and Veselsky, M.

Proceedings of the International School-Seminar on Heavy Ion Physics, Vol. 1, p. 109-118, Dubna, Russia, 10-15 May 1993, Joint Institute for Nuclear Research, Dubna, 1993, Oganessian, Yu.Ts., Penionzhkevich, Yu.E., and Kalpakchieva, R., Eds.

 

Identification of rare heavy nuclei at cross-sections of one picobarn

S. Hofmann

Proceedings of the International School-Seminar on Heavy Ion Physics, Vol. 1, p. 125-138, Dubna, Russia, 10-15 May 1993, Joint Institute for Nuclear Research, Dubna, 1993, Oganessian, Yu.Ts., Penionzhkevich, Yu.E., and Kalpakchieva, R., Eds.

 

Hot fusion reactions 22Ne,27Al + 236U and 26Mg + 232Th leading to the compound nuclei 258102 and 263105

A.N. Andreyev, D.D. Bogdanov, V.I. Chepigin, M. Florek, F.P. Heßberger, S. Hofmann, A.P. Kabachenko, O.N. Malyshev, V. Ninov, R.N. Sagaidak, S. Sharo, G.M. Ter-Akopian, M. Veselsky, and A.V. Yeremin

Proceedings of the Sixth International Conference on Nuclei Far From Stability and the Ninth International Conference on Atomic Masses and Fundamental Constants Neugart, R. and Wöhr, A., Eds., Bernkastel-Kues, Germany, July 19-24, 1992, p. 423-428, Institute of Physics Conference Series Number 132, IOP Publishing, Bristol and Philadelphia

 

The Darmstadt Program to Investigate Heavy Elements

S. Hofmann

4th Chemical Congress of North America, ACS 202nd National Meeting, 27th National Meeting of Sociedad Quimica de Mexico, New York, NY, USA, 1991

 

New Results on Heavy Elements Research and Plans for the Future

S. Hofmann

Proc. XXIV Zakopane School on Physics, Zakopane, Poland, 16-23 April 1989, Styczen, J. and Stachura, Z., Eds., World Scientific, 1990;
Vol. 1, p. 199-239

 

Experiments for production of heavy elements at Darmstadt

S. Hofmann

Proc. Int. School Seminar on Heavy Ion Physics, Dubna Report D7-90-142, Ivashkevich, E.V. and Popeko, T.E., Eds., Dubna, October 3-12, 1989, p. 338-371

 

Heavy Elements Research and the Future at SIS

S. Hofmann

Session d'Etudes Biennale de Physique Nucleaire, Aussois, France, 1989

 

Production of the Heaviest Elements on the Borderline of Nuclear Stability by Cold Fusion Reactions

F.P.Heßberger, G.Münzenberg, S.Hofmann, H.Folger, K.Poppensieker, K.-H.Schmidt, W.Reisdorf, P.Armbruster, M.E.Leino

AIP Conference Proceedings 164; Rita G. Lerner (series editor); Ian S, Towner (editor), American Institute of Physics, New York 1988, (1988) 786
Fifth International Conference on Nuclei far from Stability, Rosseau Lake, Ontario, Kanada, 14. - 19. September 1987)

 

An attempt to synthesize element 110 in the reaction 40Ar + 235U

Münzenberg, G., Armbruster, P., Berthes, G., Folger, H., Heßberger, F.P., Hofmann, S., Poppensieker, K., Quint, B., Reisdorf, W., Schmidt, K.H., Schött, H.J., Sümmerer, K., Zychor, I., Leino, M.E., Gollerthan, U., and Hanelt, E.

GSI Annual Report 1986, GSI-87-1, p. 14, 1987

 

The Experimental Work at the Velocity Filter SHIP - Results and Plans

G. Münzenberg, P. Armbruster, G. Berthes, F.P. Heßberger, S. Hofmann, W. Reisdorf, K.H. Schmidt, and H.J. Schött

Conference Contribution, Nucl. Instr. Meth. B26, 298-300, 1987

 

Heavy Elements - Experiments on Synthesis and Decay

S. Hofmann, P. Armbruster, G. Berthes, H. Folger, U. Gollerthan, E. Hanelt, F.P. Heßberger, M.E. Leino, G. Münzenberg, K. Poppensieker, B. Quint, W. Reisdorf, K.H. Schmidt, H.J. Schött, K. Sümmerer, and I. Zychor

Informe Nuclear, Bolivia, 4, 83-93, 1987

 

Heavy Elements - Experiments on Synthesis and Decay

S. Hofmann, P. Armbruster, G. Berthes, H. Folger, U. Gollerthan, E. Hanelt, F.P. Heßberger, M.E. Leino, G. Münzenberg, K. Poppensieker, B. Quint, W. Reisdorf, K.H. Schmidt, H.J. Schött, K. Sümmerer, and I. Zychor

Proceedings of the International Symposium on Weak and Electromagnetic Interactions in Nuclei, H.V. Klapdor, Ed., Heidelberg, Springer-Verlag Berlin, p. 179-185, 1986

 

A Shell Stabilized Island of α-Active Heavy Deformed Nuclei: The Discovery of Elements 107 to 109

P. Armbruster, H. Folger, F.P. Heßberger, S. Hofmann, M.E. Leino, G. Münzenberg, K. Poppensieker, W. Reisdorf, K.H. Schmidt, and H.J. Schött

Actinides 85, Aix en Provence, 1985,
Journal of the Less-Common Metals 122, 581-598, 1986

 

Experiments on the Synthesis of Neutron-Deficient Isotopes with Atomic Numbers in the Region from Z=102 to Z=105

F.P. Heßberger, G. Münzenberg, S. Hofmann, P. Armbruster, Y.K. Agarwal, W. Reisdorf, K. Poppensieker, K.H. Schmidt, J.R.H. Schneider, W.F.W. Schneider, H.J. Schött, C.C. Sahm, D. Vermeulen, and B. Thuma

Actinides 85, Aix en Provence, 1985,
Journal of the Less-Common Metals 122, 445-451, 1986

 

Attempts to Produce Superheavy Elements by Fusion of  48Ca with  248Cm in the Bombarding Energy Range of 4.5-5.2 MeV/u

 W. Brüchle, Y.K. Agarwal, P.Armbruster, M.Brügger, J.P.Dufour, H.Gäggeler, F.P.Heßberger, S.Hofmann, P.Lemmertz, G.Münzenberg, K.Poppensieker, W.Reisdorf, M.Schädel, K.-H.Schmidt, J.R.H.Schneider, W.F.W.Schneider, K.Sümmerer, D.Vermeulen, G.Wirth, A.Ghiorso, K.E.Gregorich, D.Lee, M.Leino, K.J.Moody, G.T.Seaborg, R.B.Welch, P.Wilmarth, S.Yashita, C. Frink, N. Greulich, G. Herrmann, U.Hickmann, N. Hildenrand,  J.V. Kratz, N. Trautmann, W.R.Daniels,   M.M.Fowler, D.C.Hoffman, H.R. von Gunten, H.Dornhöfer:

Journal of the Less-Common Metals, 122 (1986) 425
(Actinides 1985, Aix-en-Provence (Frankreich), 2.- 6. September 1985)

 

The Influence of the Surprising Decay Properties of Element 108 on Search Experiments for New Elements

S. Hofmann, P. Armbruster, G. Münzenberg, W. Reisdorf, K.H. Schmidt, H.G. Burkhard, F.P. Heßberger, H.J. Schött, Y.K. Agarwal, G. Berthes, U. Gollerthan, H. Folger, R. Hingmann, J.G. Keller, M.E. Leino, P. Lemmertz, M. Montoya, K. Poppensieker, B. Quint, and I. Zychor

Conference, Visby, Sweden, 10.-14. June 1985,
Nucl. Phys. A447, 335c-346c, 1985

 

The Limits of Stability : Recent Results on the Investigations of Heaviest  Nuclei

G. Münzenberg, Y.K. Agarwal, F.P. Heßberger, S. Hofmann, K. Poppensieker, W. Reisdorf, K.H. Schmidt, J.R.H. Schneider,  W.F.W.Schneider, H.J. Schött,  P. Armbruster, C.-C. Sahm, D.Vermeulen:

Nuclear Science Research Conferenece Series Vol. 6, P. Braun-Munzinger (Ed.), Harwood Academic Publishers, Chur, London, Paris, Utrecht, New York (1984) 261 (Nuclear Physics with Heavy Ions, Stony Brook, New York (USA), 14. - 16. April 1984)

 

Synthesis and Investigation of Nuclei at the Limits of Stability - Heaviest Nuclei

G. Münzenberg, Y.K. Agarwal, F.P. Heßberger, S. Hofmann, J.G. Keller, K. Poppensieker, W. Reisdorf, K.H. Schmidt, H.J. Schött, M.E. Leino, R. Hingmann, and P. Armbruster

INIS Conference, Tokyo, 1984

 

The Shell-Stabilized Deformed Isotopes Z=106 and N=153-157

P. Armbruster, H. Folger, F.P. Heßberger, S. Hofmann, J.G. Keller, G. Münzenberg, K. Poppensieker, W. Reisdorf, K.H. Schmidt, H.J. Schött, M.E. Leino, and R. Hingmann

7th Int. Conference on Atomic Masses and Fundamental Constants, AMCO-7, Darmstadt, 1984 Proceedings, O. Klepper, Ed., THD Schriftenreihe Wissenschaft und Technik, 26, 284-290, 1984

 

New Elements

G. Münzenberg, Y.K. Agarwal, F.P. Heßberger, S. Hofmann, K. Poppensieker, W. Reisdorf, J.R.H. Schneider, W.F.W. Schneider, K.H. Schmidt, H.J. Schött, P. Armbruster, C.C. Sahm, and D. Vermeulen

Gross Properties of Nuclei and Nuclear Excitations XI, Hirschegg, Kleinwalsertal, Austria Proceedings, H. Feldmeier, Ed., ISSN 0720-8715, Institut für Kernphysik, Technische Hochschule und GSI, Darmstadt, p. 1-15, 1983

 

Isotope Identification in the Transfermium Region by α-α Correlation after In-Flight Separation

G. Münzenberg, P. Armbruster, W. Faust, K. Güttner, F.P. Heßberger, S. Hofmann, W. Reisdorf, C.C. Sahm, K.H. Schmidt, H.J. Schött, B. Thuma, and D. Vermeulen

Actinides in Perspective, N.M. Edelstein, Ed., Pergamon Press, p. 223-243, 1982

 

Investigation of Isotopes with Z ³ 100

G. Münzenberg, S. Hofmann,  F.P. Heßberger, W.Reisdorf, K.H. Schmidt, W. Faust,  P. Armbruster, K. Güttner, B. Thuma, D. Vermeulen, C.C. Sahm:

Proceedings ‚4th International Conference on Nuclei far from Stability‘, CERN 81-09 (1981) 755 (4th International Conference on Nuclei far from Stability‘, L.O. Skolen, Helsingør (Dänemark),  7. - 13. Juni 1981)