Nuclear Reaction Studies - Publications

 

Observation of rotating nuclear molecules and determination of their lifetimes

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

Eur. Phys. J. 48:180 (2012)

 

Evidence for hindrance in fusion between sulfur and lead nuclei

J. Khuyagbaatar, K. Nishio, S. Hofmann, D. Ackermann, M. Block, S. Heinz, F.P. Heßberger, K. Hirose, H. Ikezoe, B. Kindler, B. Lommel, H. Makii, I. Nishinaka, T. Ohtsuki, Y. Wakabayashi, S.Yan

Phys. Rev. C 86, 064602 (2012)

 

Emission of clusters with Z > 2 from excited actinide nuclei

Sh.A. Kalandarov, G.G. Adamian, N.V. Antonenko, W. Scheid, S. Heinz, V. Comas, S. Hofmann, J. Khuyagbaatar, D. Ackermann, J. Heredia, F.P. Heßberger, B. Lindler, B. Lommel, R. Mann

Phys. Rev. C 84, 054607 (2011)

 

Study of nuclear orientation in the reaction 34S + 238U and synthesis of the new isotope 268Hs

K.Nishio, S.Hofmann, F.P.Heßberger, D.Ackermann, S.Antalic, Y.Aritomo, V.F.Comas, Ch.E.Düllmann, A.Gorshkov, R.Graeger, K.Hagino, S.Heinz, J.A.Heredia, K.Hiroso, H.Ikezoe, J.Khuyagbaatar, B.Kindler, I.Kojuharov, B.Lommel, R.Mann, S.Mitsuoka, Y.Nagame, I.Nishinaka, T.Ohtsuki, A.G.Popeko, S.Saro, M.Schädel, A.Türler, Y.Watanabe, A.Yakushev, A.V.Yeremin

Phys. Rev. C 82, 024611 (2010)

 

Study of the 238U(36S,3-5n)269-271Hs reaction leading to the observation of 270Hs

R.Graeger, D.Ackermann, M.Chelnokov, V.Chepigin, Ch.E.Düllmann, J.Dvorak, J.Even, A.Gorshkov, F.P.Heßberger, D.Hild, A.Hübner, E.Jäger, J.Khuyagbaatar, B.Kindler, J.V.Kratz, J.Krier, A.Kuzmetsov, B.Lommel, K.Nishio, H.Nitsche, J.P.Omtvedt, O.Petrushkin, D.Rudolph, J.Runke, F.Samadani, M.Schädel, B.Schausten, A.Türler, A.Yakushev, Q.Zhi

Phys. Rev, C 81, 061601(R) (2010)

 

Investigation of di-nuclear systems as entrance channel to fusion

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

Eur. Phys. J. A 43, 181 (2010)

 

The new isotope 179Pb and α-decay properties of 179mTl

A.N. Andreev,  S. Antalic, D.Ackermann,  T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Heßberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antila, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins 

 

J. Phys. G.: Nucl. Part. Phys. 37, 035102 (2010)

 

Di-nuclear systems studied with the velocity filter SHIP

S.Heinz, V.Comas, F.P.Heßberger, S.Hofmann, D.Ackermann, H.G.Burkhard, Z.Gan, J.Heredia, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann, J.Maurer, K.Nishio, B.Sulignano 

Eur. Phys. J.  A 38, 227 (2008)

 

Measurement of evaporation residue cross-sections of the reaction 30Si + 238U at subbarrier energies

K.Nishio, S.Hofmann, F.P.Heßberger, D.Ackermann, S.Antalic, V.S.Comas, Z.Gan, S.Heinz, J.A.Heredia, H.Ikezoe, J.Khuyagbaatar, B.Kindler, I.Kojouharov, P.Kuusiniemi, B.Lommel, R.Mann, M.Mazzocco,  S.Mitsuoka, T.Ohtsuki, A.G.Popeko, S.Saro, H.J.Schött, B.Sulignano, A.Svirikhin, K.Tsuruta,  A.V.Yeremin

Eur. Phys. J. A 29, 281 (2006)

 

Production of fast evaporation residues by the reaction 20Ne + 208Pb at projectile energies of 8.6, 11.4 and 14.9 A.MeV

M. Veselsky, S. Saro, F.P. Heßberger, V. Ninov, S. Hofmann, D. Ackermann

Z. Phys. A356, 403-410, 1997

 

'Slow' residues observed in the reaction 20Ne + 208Pb at E/A = 8.6, 11.4 and 15.0 MeV/u

Heßberger, F.P., Ninov, V., Hofmann, S., Ackermann, D., Saro, S., and Veselsky, M.

Z. Phys. A348, 301-309, 1994

 

Production of heavy residues in nuclear collisions leading to Zp + ZT > 75 at bombarding

F.P.Heßberger, V.Ninov, D.Ackermann, A.Lüttgen

Nucl. Phys. A 568 (1994) 121

abstract

 

Investigation of the fusion of heavy nearly symmetric systems

Quint, A.B., Reisdorf, W., Schmidt, K.H., Armbruster, P., Heßberger, F.P., Hofmann, S., Keller, J., Münzenberg, G., Stelzer, H., Clerc, H.G., Morawek, W., and Sahm, C.C.

Z. Phys. A346, 119-131, 1993

 

Evaporation Residues from Heavy ( Z = 90-93) Compound Nuclei at Excitation Energies of E* = (75-110) MeV

F.P.Heßberger, V.Ninov, D.Ackermann

Z. Phys. A - Hadrons and Nuclei 343 (1992) 301

abstract

 

Evaporation Residues at E* ≈ 400 MeV

S.Beiersdorf, R.A.Esterlund, M.Knaack, W.Westmeier, P.Patzelt, F.P.Heßberger, V.Ninov, A.Lüttgen

Phys. Lett. B 286 (1992) 225

 

Breakdown of the copmound-nucleus model in the fusion-evaporation process for 110 Pd + 110 Pd

W.Morawek, D.Ackermann, T.Brohm, H.G. Clerc, U.Gollerthan, E.Hanelt, M.Horz, W.Schwab, B.Voss, K.-H.Schmidt, F.P.Heßberger

Z. Phys. A - Hadrons and Nuclei 341 (1991) 75

 

Investigation of the velocity distribution of evaporation residues produced in 20 Ne + 197 Au reactions at E/A = 5.7 - 11.4 MeV/u

F.P.Heßberger, V.Ninov, U.Spoerel

Phys. A - Hadrons and Nuclei 340 (1991) 171

abstract

 

Decay of the compound nucleus 197 Au formed in the cold fusion reaction 90 Zr + 89 Y

U.Gollerthan, T.Brohm, H.-G.Clerc, E.Hanelt, M.Horz, W.Morawek, W.Schwab, K.-H.Schmidt, F.P.Heßberger, G.Münzenberg, V.Ninov, R.S.Simon, J.P.Dufour, M.Montoya

Z. Phys. A - Hadrons and Nuclei 340 (1991) 171

 

Observation of Enhanced Low-Energy Charged Particle Emission in the Cold Fusion Reaction 90Zr + 89Y

U.Gollerthan, H.-G.Clerc, E.Hanelt, W.Morawek, V.Ninov, W.Schwab, K.H.Schmidt, F.P.Heßberger, G.Münzenberg, R.S.Simon, J.-P.Dufour, M.Montoya

Phys. Lett. B201,2 (1988) 206

 

Gamma Spectroscopic Investigations in the Radiative Fusion Reaction 90Zr + 90Zr

K.H.Schmidt, R.S.Simon, J.G.Keller, F.P.Heßberger, G.Münzenberg, B.Quint, H.-G.Clerc, W.Schwab, U.Gollerthan, C.-C.Sahm

Phys. Lett. 168B 1,2 (1986) 39

 

Cold Fusion in Symmetric 90Zr induced reactions

J.G.Keller, K.H.Schmidt, F.P.Heßberger, G.Münzenberg, W.Reisdorf, H.G.Clerc, C.-C.Sahm

Nucl. Phys. A 452 (1986) 154

 

Fusability and Fissionability in 86Kr-Induced Reactions near and below the Fusion Barrier

W. Reisdorf, F.P. Heßberger, K.D. Hildenbrand, S. Hofmann, G. Münzenberg, K.H. Schmidt, W.F.W. Schneider, K. Sümmerer, G. Wirth, J.V. Kratz, K. Schlitt, and C.C. Sahm

Nucl. Phys. A444, 154-188, 1985

 

Fusion Probability of symmetric, Heavy Nuclear Systems Determined from Evaporation Residue Cross Sections

C.-C.Sahm, H.G.Clerc, K.H.Schmidt, W.Reisdorf, P.Armbruster, F.P.Heßberger, J.G.Keller, G.Münzenberg, D.Vermeulen

Nucl. Phys. A 441 (1985) 316

 

Fusion Near the Threshold: A Comparative Study of the Systems 40Ar + 112,116,122Sn and 40Ar + 144,148,154Sm

W. Reisdorf, F.P. Heßberger, K.D. Hildenbrand, S. Hofmann, G. Münzenberg, K.H. Schmidt, J.R.H. Schneider, W.F.W. Schneider, K. Sümmerer, G. Wirth, J.V. Kratz, and K. Schlitt

Nucl. Phys. A438, 212-252, 1985

 

Hindrance of Fusion in Central Collisions of Heavy Symmetric Nuclear Systems

C.-C.Sahm, H.-G.Clerc, K.-H.Schmidt, W.Reisdorf, P.Armbruster, F.P.Heßberger, J.G.Keller, G.Münzenberg, D.Vermeulen

Z. Phys. A - Atoms and Nuclei 317 (1984) 235

 

Fusion of the System 90Zr + 90Zr

J.G.Keller, K.-H.Schmidt, H.Stelzer, W.Reisdorf, Y.K.Agarwal, F.P.Heßberger, G.Münzenberg, H.-G.Clerc, C.-C.Sahm

Phys. Rev. C. 29 (1984) 1569

 

Observation of Radiative Capture in the Reaction 90Zr + 90Zr

J.G.Keller, H.-G.Clerc, K.-H.Schmidt, Y.K.Agarwal, F.P.Heßberger, G.Münzenberg, W.Reisdorf, C.-C.Sahm

Phys. A - Atoms and Nuclei 311 (1983) 243

 

Influence of Collective Surface Motion on the Threshold Behavior of Nuclear Fusion

W. Reisdorf, F.P. Heßberger, K.D. Hildenbrand, S. Hofmann, G. Münzenberg, K.H. Schmidt, J.R.H. Schneider, W.F.W. Schneider, K. Sümmerer, G. Wirth, J.V. Kratz, and K. Schlitt

Phys. Rev. Letters 49, 1811-1815, 1982

 

The Barrier for Compound-Nucleus Formation in nearly Symmetric Systems 86Kr + 123Sb → 209Fr and 124Sn + 94Zr → 218Th

K.-H.Schmidt, P.Armbruster, F.P.Heßberger, G.Münzenberg, W.Reisdorf, C.-C.Sahm, D.Vermeulen, H.-G.Clerc, J.Keller, H.Schulte

Phys. A - Atoms and Nuclei 301 (1981) 28

 

The Influence of the Fission Barrier on the Mass Distribution in Reactions with Symmetric Fragmentation

C.-C.Sahm, H.Schulte, D.Vermeulen, J.Keller, H.-G.Clerc, K.-H.Schmidt, F.P.Heßberger, G.Münzenberg:

Phys. A - Atoms and Nuclei 297 (1980) 241

 

Dependence of the Evaporation Residue Production on the Excitation Energy of the Compound Nucleus in the Reaction 40Ar + 164Dy

K.H. Schmidt, P. Armbruster, W. Faust, S. Hofmann, G. Münzenberg, W. Reisdorf, H.G. Clerc, W. Lang, D. Vermeulen, H. Ewald, and K. Güttner

Z. Phys. A284, 431-432, 1978

 Nuclear Reaction Studies - Conferences

Reaction Dynamics at the Barrier for Heavy Compound Systems

D. Ackermann

Symposium on Nuclear Clusters: From Light Exotic to Superheavy Nuclei,
Jolos, R. and Schwid, W., Eds.,
Rauischholzhausen, Germany, August 5-9, 2002, EP Systema, Debrecen, Hungary 2003, 495, p. 307-312

 

Reaction Dynamics at the Barrier for Heavy Compound Systems

A.K.Nasirov, G.G.Adamian, G.Giardina, S.Hofmann, U.Yu.Jovliev, Z.Kanokov, A.I.Muminov, K.V.Pavliy

Symposium on Nuclear Clusters: From Light Exotic to Superheavy Nuclei,
Jolos, R. and Schwid, W., Eds.,
Rauischholzhausen, Germany, August 5-9, 2001, EP Systema, Debrecen, Hangary 2003, 495, p. 307-312

 

Evaporation residues production in the 16$O+208Pb and 86Kr+130,136Xe reactions near the fusion barrier

Sagaidak, R.N., Chepigin, V.I., Kabachenko, A.P., Lavrentev, A.Yu., Malyshev, O.N.,Oganessian, Yu.Ts., Popeko, A.G., Roháç, J., Yeremin, A.V., Hofmann, S., Heßberger, F.P., Ninov, V. and Stodel, C.

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

 

Evaporation residues from complete and incomplete fusion of 20Ne with 197Au and 208Pb at E/A = 8.6 to 15.0 MeV/u

Heßberger, F.P., Ninov, V., Hofmann, S., Ackermann, D., Saro, S., and Veselsky, M.

Proceedings of the International School-Seminar on Heavy Ion Physics, Vol. 2, p. 3-17, Dubna, Russia, 10-15 May 1993, Joint Institute for Nuclear Research, Dubna, 1993, Oganessian, Yu.Ts., Penionzhkevich, Yu.E., and Kalpakchieva, R., Eds.

 

Investigation of Evaporation Residues from Highly Excited Compound Nuclei at SHIP

F.P.Heßberger, V.Ninov, D.Ackermann, W.Morawek, A.Lüttgen

Nuclear Reaction Mechanisms, D.Seeliger, H.Kalka (eds.) World Scientific, Singapore,
New Jersey, London, Hong Kong (1991) 265
(XXth International Symposium on Nuclear Physics - Nuclear Reaction Mechanisms, Schloß Gaussig, 12. - 16. November 1990)

 

Radiative Fusion Induced by Massive Nuclei

K.-H. Scmidt, R.S. Simon, J.-G. Keller, W. Reisdorf, F. Heßberger, G. Münzenberg, A.B. Quint, H.-G.Clerc, C.-C. Sahm, E. Tschöp, W. Schwab:

Lecture Notes in Physics, Vol. 219, S.G.Stedman (Ed.) Springer Verlag, Berlin, Heidelberg, New York, Tokyo (1984) 244

(Fusion Reactions below the Barrier, Cambridge (USA), 13. - 15. Juni 1984)

 

Fusion near the barrier

W. Reisdorf, F.P. Heßberger, K.D. Hildenbrand, S. Hofmann, J.V. Kratz, G. Münzenberg, K. Schlitt, K.H. Schmidt, J.R.H. Schneider, W.F.W. Schneider, K. Sümmerer, and G. Wirth

XXI Int. Winter Meeting on Nuclear Physics, Bormio, 1983

 

The Influence of the N = 126 Neutron Shell on the Survival Probability of Neutron Deficient Th - Isotopes

C.C. Sahm, H.-G. Clerc, D. Vermeulen, K.-H. Schmidt, P. Armbruster, F. Heßberger, J. Keller, G. Münzenberg, W. Reisdorf:

Proceedings ‚Gross Properties of Nuclei and Nuclear Excitations X‘ H. Feldmeier (Ed.) ISSN  0720-8715, Institut für Kernphysik, Technische Hochschule und GSI Darmstadt (1982), 48

(Gross Properties of Nuclei and Nuclear Excitations X, Hirschegg (Österreich), 18.- 23. Januar 1982)