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FORSCHUNGSBERICHT 1999-2001

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Institut für Strahlen- und Kernphysik

Allgemeine Angaben:
Nußallee 14-16, 53115 Bonn
Telefon: 0228 / 73-2201, -2202, -2203
Fax: 0228 / 73-2505

Hauptamtliche Professoren:
Prof. Dr. Peter David
Prof. Dr. Jürgen Ernst
Prof. Dr. Manfred Forker
Prof. Dr. Christian Günther
Prof. Dr. Peter Herzog
Prof. Dr. Frank Hinterberger
Prof. Dr. Eberhard Klempt
Prof. Dr. Karl Maier
Prof. Dr. Reinhard Maschuw
Prof. Dr. Karl-Heinz Speidel
Prof. Dr. Wolfram von Witsch

Wissenschaftliches Personal:
Universitätsstellen
apl. Prof. Dr. Jens Bisplinghoff
Dr. Frank-Edzard Blumenberg
Dr. Erwin Bodenstedt, em. Prof.
Dr. Joachim Debrus
Priv.-Doz. Dr. Paul-Dieter Eversheim
Dr. Kristian Freitag
apl. Prof. Dr. Herbert Hübel
Priv.-Doz. Dr. Rainer Jahn
Dr. Rainer Joosten
Dr. Hartmut Kalinowsky
Dr. Theodor Mayer-Kuckuk, em. Prof.
Dr. Gunnar Mertler
Dipl.-Phys. Peter Meyer
apl. Prof. Dr. Hans Mommsen
Priv.-Doz. Dr. Heiko Rohdjeß
Dr. Torsten E. M. Staab
Dr. Ulrike Thoma
Priv.-Doz. Dr. Rainer Vianden

Drittmittelstellen
Dr. Alexei Anisovich
Olivia Bartholomy
Moritz Beckmann
Carsten Buehrer
Dr. Marc Busch
Sebastian Chmel
Dr. Volker Crede
Dr. Patricia de la Presa
Jianrong Deng
Jochen Dohmscheit
Dr. Andreas Ehmanns
Imrich Fabry
Ulrike Groeger
Dr. Ruediger Gross-Hardt
Matthias Haaks
Igor Horn
Viktor Huhn
Lucian Isfan
Oliver Kenn
Joerg Leske
Katharina Lorenz
Johannes Lotz
Andreas Meinerzhagen
Edgar Mergel
Dr. Gerhard Morgenroth
Ingo Mueller
Dr. Jochen Munkel
Ole Naehle
Prof. Dr. N. Nenoff
Andrea Neusser
Dr. Burkhard Pick
Joerg Reinnarth
Monika Risse
Detlev Rossbach
Dr. Andrei Sarantsev
Stephan Schielke
Heiner Schnitker
Gero Schoenwasser
Torge Sczepanek
Andre Siepe
Dr. Regina Siudak
Kai Ulbrich
Harald van Pee
Lothar Waetzold
Dr. Eric Weise
Tobias Wider
Dr. Stefan Wirth
Dr. N. Zacharias
Christiane Zamponi

Stipendiaten
Patrick Bringel
Detlev Rossbach
Dr. Manoranjan Sarkar

Forschungsschwerpunkte:
Nukleon-Nukleon Wechselwirkung (EDDA-Experiment an COSY), Spinstruktur des Protons (COMPASS-Experiment am CERN-SPS)
(Bisplinghoff, Hinterberger)

Zeitreihenanalyse (EKG, MKG, EEG, MEG, ECG), Physik bildgebender Verfahren in der Medizin
(David)

Photoinduzierte Reaktionen am Nukleon und leichten Kernen mit SAPHIR und Crystal Barrel an ELSA
(Ernst)

Polarisierte Ionenquelle für COSY Jülich, Polarisiertes Atomstrahltarget und Symmetrietests mit polarisierten Teilchen an EDDA
(Eversheim)

Magnetismus, Metall-Wasserstoffsysteme
(Forker)

Struktur schwerer Atomkerne
(Günther)

Kernstruktur (NO, NMR/ON), Hyperfeinwechselwirkungen in Metallen
(Herzog)

Hochspinkernspektroskopie, Superdeformation, Magnetische Rotation
(Hübel)

Mesonproduktion und -Wechselwirkung (MOMO-Experiment an COSY)
(Jahn)

Photoproduktion an ELSA: Crystal Barrel, SAPHIR, Mesonen- und Glueballspektroskopie (LEAR). Spektroskopie am Antiwasserstoff
(Klempt)

Materialermüdung, Magnetismus
(Maier)

Neutrinophysik (KARMEN/ISIS), pp-Streuung (EDDA-Experiment an COSY), Mesonproduktion und -Wechselwirkung (MOMO-Experiment an COSY), Proton-Spinstruktur (COMPASS-Experiment am CERN-SPS)
(Maschuw)

Archäometrie
(Mommsen)

Kernstruktur, Transiente Magnetfelder, Ionen-Festkörperwechselwirkung
(Speidel)

Defekte und Dotierungsatom - Defektwechselwirkung in Halbleitern
(Vianden)

Neutron-Neutron Wechselwirkung, Dreiteilchenreaktionen
(von Witsch)

Besondere Forschungsförderung:
Analyse komplexer Endzustände in der Hadronenphysik an LEAR und COSY
(Klempt, BMBF)

Anorganische Festkörper mit unterschiedlich entwickelter Fernordnung
(Forker, Vianden, SFB 408, Teilprojekt B 1)

COSY-Experimente, Neutrinophysik-KARMEN, COMPASS-Experiment
(Maschuw, BMBF)

Crystal - Barrel-/Anti-Wasserstoff-Experiment
(Klempt, BMBF)

Donator-Defektkomplexe
(Maier, Vianden, BMBF)

Elementanalyse kulturhistorischer Objekte durch zerstörungsfreie, quantitative Röntgenfluoreszenz induziert durch weiße Synchrotronstrahlung
(Mommsen, DFG)

Exotic shapes in nuclei
(Hübel, NATO)

GEOPRO: Integrating Geochemical and Mineralogical Techniques: A New Approach to Raw Materials and Archaeological Ceramic Provenance
(Mommsen, EU)

Identifizierung paramagnetischer Fehlstellen mit einem polarisierten Positronenstrahl
(Maier, DFG)

Interaction of Defects with Impanted Dopants in GaAs and InP
(Vianden, EU)

Kernmomente von kurzlebigen Kernzuständen nach Projektilanregung
(Speidel, DFG)

Kernstruktur-Untersuchungen an den uu-Kernen 180-Ta und 196-Au; in beam Gamma- und Konversionselektronen-Spektroskopie
(Günther, DFG)

Konversionselektronen- und Gamma-Spektroskopie superdeformierter Aktiniden-Kerne
(Hübel, DFG)

Ladungssymmetrie
(von Witsch, DFG)

Mesonenproduktion und Resonanzanregung von Nukleonen mit reellen Photonen
(Klempt, DFG)

Messungen magnetischer Momente von Nd Isotopen
(Speidel, DFG)

Polarisierter Positronenstrahl
(Maier, DFG)

Positronenzerstrahlung als zerstörungsfreie Untersuchungsmethode für strukturelle Fehler
(Maier, SFB 408, Teilprojekt B 6)

Spektroskopie angeregter Kernzustände bis zu höchsten Drehimpulsen mit dem EUROBALL Spektrometer
(Hübel, BMBF)

Spektroskopie von Atomkernen in extremen Anregungszuständen mit dem EUROBALL Spektrometer
(Hübel, BMBF)

Transiente Magnetfelder und elektrische Feldgradienten
(Speidel, BMBF)

Transiente Magnetfelder und elektrische Feldgradienten für hochgeladene Ionen bei hohen Geschwindigkeiten
(Speidel, GSI)

Transiente Magnetfelder und elektrische Feldgradienten für Kernstrukturuntersuchungen
(Speidel, BMBF laufend!)

Unterkühlte Metallschmelzen: Phasenselektion und Glasbildung
(Maier, DFG)

Untersuchung der hadronischen Struktur von Nukleonen und Kernen mit elektromagnetischen Sonden
(Klempt, DFG)

Untersuchung der Oktupoldeformation von leichten Aktinidenkernen durch in-beam Gamma- und Konversionselektronen-Spektroskopie am Bonner Zyklotron
(Günther, DFG)

Untersuchungen zur Hyperfeinwechselwirkung polarisierter Ionen in Ferromagneten und Bestimmung magnetischer Kernmomente
(Speidel, DFG)

Untersuchungen zur Struktur mittelschwerer und schwerer Kerne um A=230 mit der Methode der Tieftemperaturkernorientierung
(Herzog, DFG)

Untersuchungen zur Wechselwirkung von Positronen mit Versetzungen mittels in-situ u. temperaturabhängigen Messungen der Positronenannihilation
(Maier, DFG)

Untersuchung von Formkoexistenz in Atomkernen bei hohem Spin
(Hübel, DFG)

Untersuchung von Hochspinzuständen in Hg-Isotopen
(Hübel, DFG)

Veröffentlichungen:

A. Abele [Crystal Barrel Collaboration]
Study of f_0 decays into four neutral pions
Eur. Phys. J. C 19 (2001) 667

A. Abele et al. (The Crystal Barrel Collaboration)
Observation of resonances in the reaction pbar p ->pi0 eta eta at 1.94 GeV/c
Eur. Phys. J. C8 (1999) 67

A. Abele et al. (The Crystal Barrel Collaboration)
Evidence for a pi eta P-wave in pbar p annihilations at rest into pi0 pi0 eta
Phys. Lett. B446 (1999) 349

A. Abele et al. (The Crystal Barrel Collaboration)
pbar d annihilation at rest into pi+ pi- pi- p_spectator
Phys. Lett. B450 (1999) 275

A. Abele et al. (The Crystal Barrel Collaboration)
The rho mass, width and line-shape in pbar p annihilation at rest into pi+ pi- pi0
Phys. Lett. B469 (1999) 270

A. Abele et al. [Crystal Barrel Collaboration]
pbar p annihilation into omega pi0, omega eta and omega etaprime at 600 MeV/c, 1200 MeV/c and 1940 MeV/c
Eur. Phys. J. C 12 (2000) 429

A. Abele et al. [Crystal Barrel Collaboration]
Isospin relations in pbar d annihilations at rest and the search for quasinuclear bound states
Eur. Phys. J. C 17 (2000) 583

A. Abele et al. [Crystal Barrel Collaboration]
Branching ratios for pbar p annihilation at rest into two body final states
Nucl. Phys. A 679 (2001) 563

A. Abele et al. [CRYSTAL BARREL Collaboration]
4pi decays of scalar and vector mesons
Eur. Phys. J. C 21 (2001) 261

A. Effern et al.
Single trial analysis of event related potentials: nonlinear denoising with wavelets.
Clinical Neurophysiology 111 (2000) 2255-2263

A. Effern et al.
Time adaptive denoising of single trial event related potentials in wavelet domain.
Psychophysiology 37 (2000) 859-865

A. Effern et al.
Nonlinear denoising of transient signals with application to event related potentials.
Physica D 140 (2000) 257-266

A. Effern et al.
Nonlinear filtering in wavelet domain: application to single trial analysis of limbic {P}300 potentials.
In: K. Lehnertz, J. Arnhold, P. Grassberger and C. E. Elger (Eds.) Chaos in Brain ?World Scientific, Singapore, 2000, 305

A. Görgen et al.
Spectroscopy of 200Hg after incomplete fusion reaction
Eur. Phys. J. A6 (1999) 141

A. Görgen et al.
Search for magnetic rotation in 202Pb and 203Pb
Eur. Phys. J. A9 (2000) 161

A. Görgen et al.
Magnetic rotation in 197Pb and 198Pb
Nucl. Phys. A683 (2001) 108

A. Hein, J. Maran, H. Mommsen
Element Concentration Distributions and Most Discriminating Elements for Provenancing by Neutron Activation Analyses of Ceramics from Bronze Age Sites in Greece
Journal Archaeological Science 26 (1999) 1053

A. Korichi et al.
Linear polarisation measurement of interband transitions in superdeformed 190Hg: Model-independent evidence for octupole vibrational structures
Phys. Rev. Lett. 86 (2001) 2746

A. Metz et al.
Evidence for the Existence of Supersymmetry in Atomic Nuclei
Phys. Rev. Lett. 83 (1999) 1542

A.N. Wilson et al.
Magnetic dipole bands in 190Hg: first evidence of excitation across the Z=82 sub-shell in Hg nuclei
Phys. Lett. B505 (2001) 6

A. Prevost et al.
New eNew excited superdeformed bands in heavy Pb nuclei: Clue for an octupole softness near the N=118 gap at large deformation
Eur. Phys. J. A10 (2001) 13

A. V. Anisovich, U. Thoma
Rescattering effects in phi photoproduction
Eur. Phys. J. C20 (2001) 93

B.C. Metsch
A relativistic quark model for mesons and baryons
Proceedings of the Workshop on electron nucleus scattering Eds. O. Benhar, A. Fabrocini, R. Schiavilla,Edizione ETS, Pisa (1999) 417

B.C. Metsch
A relativistic quark model for mesons and baryons
Proceedings of the 8th Int. Conf. on the Structure of Baryons Eds. D.W. Menze, B.Ch. Metsch, World Scientific, Singapore(1999) 61

B.C. Metsch, U. Löring
Parity doublets in a relativistic quark model
in: Proceedings of the NSTAR 2001 - The Physics of Excited Nucleons, Johannes Gutenberg-Universitaet, Mainz, Eds. D. Drechsel, L. Tiator, World Scientific, Singapore (2001) 221

B. Metsch
Instanton effects in hadron spectroscopy
Nucl. Phys. A 675 (2000) 161c

B. Metsch
The Roper resonance in the constituent quark model
Eds. T. Barnes, H.-P. Morsch, Schriften des Forschungszentrums Jülich, Reihe Materie und Material 6 (2000) 73

C.A. Baker et al. (The Crystal Barrel Collaboration)
The f2(1565) in pbar p -> (omega omega)pi0 interactions at rest
Phys. Lett. B467 (1999) 147

C.A. Baker et al. (The Crystal Barrel Collaboration)
The f2(1565) in pbar p -> (omega omega)pi0 interactions at rest
Phys. Lett. B467 (1999) 147

C. Amsler et al. [Crystal Barrel Collaboration]
A high resolution search for the tensor glueball candidate xi(2230)
Phys. Lett. B520 (2001) 175

C. Bührer et al.
The liquid ferromagnet Co_80 Pd_20 and its critical exponent gamma
J. Magn. Magn. Mat. 212 (2000), 211-224

C. E. Elger et al.
Nonlinear EEG analysis and its potential role in epileptology.
Epilepsia 41 Suppl.3 (2000) 34-38

C.E. Elger, K. Lehnertz, G. Widman
Interictal focus localization
In: Epilepsy: problem solving in clinical practice, Eds. D. Schmidt and S.C. Schacter. Martin Dunitz Publishers, London (1999) 155

C. von Nathusius, R. Vianden
Hall Effect Measurements on Transmutation Doped Semiconductors
Hyperfine Int. 129 (2000) 391

D. Gassmann et al.
Conversion electron spectroscopy in the superdeformed minimum of 240Pu
Phys. Lett. B497 (2001) 181

D.L. Balabanski et al.
Quadrupole moments of high-spin isomers: Test of the Tilted-Axis Cranking Model
Acta Phys. Pol. B32 (2001) 2655

D. Merten et al.
Instanton effects in meson spectroscopy
Czech. J. Phys. B 51/B (2001) 152

D. Rinkjobing-Jensen et al.
Co-existing coupling schemes at high spin in 166Hf
Eur. Phys. J. A8 (2000) 165

D. Roßbach et al.
Superdeformation in 193Pb: Observation of three additional excited bands
Nucl. Phys. A660 (1999) 393

D. Roßbach et al.
Evidence for octupole vibration in superdeformed 196Pb
Phys. Lett. B513 (2001) 9

D. Schütte, A. Wichmann, V. Wethkamp
QCD glueballs within a coupled cluster approach
Int. J. Mod. Phys. B 15 (2001) 1732

D. Schütte, C. Weichmann, A. Wichmann
Recent Progress in Hamiltonian Lattice Field Theory
Proc. of the IV Workshop on Quantum Chromodynamics Eds. H.M.Fried and B. Müller, World Scientific (1999) 389

D. Vollath et al.
Structural disorder in the anion lattice of nanocrystalline zirconia and hafnia particles
Mat. Res. Symp. Proc. 634 (2001) B7.7.1-6

D. Wruck et al.
Extended X-ray Absorption Fine Structure and Photoluminescence Study of Er-implanted GaN Films
Semiconductor Science and Technology 16 (2001) L77

E. Alves et al.
RBS lattice site location and damage recovery studies in GaN MRS Internet Journal Nitride Semiconductors
Res. 4S1 (1999) G11.2

E. Alves et al.
Ion beam and photoluminescence studies of Er and O implanted GaN
Nucl. Instr. Meth. B147 (1999) 383

E. Alves et al.
Optical Doping of Nitrides by Ion Implantation
Mod. Phys. Lett. B 15 (2001) 1281

E. Alves et al.
Heavy Ion Implantation in GaN Epilayers
Radiat. Eff. Defects Solids 156 (2001) 267

E. Alves et al.
High Temperature Annealing of Er-implanted GaN
Mater. Sci. Eng. B81 (2001) 132

E. Bezakova et al.
Implantation-induced amorphization of InP characterized with perturbed angular correlation
Appl. Phys. Lett. 75 (1999) 1923

E. Rauls et al.
Interstitial-based vacancy annealing in 4H-SiC
Physica B 308-310 (2001) 645

F. Becker et al.
Investigation of prolate-oblate shape coexistence in 74Kr
Eur. Phys. J. A4, (1999) 103

F. Becker et al.
Investigation of E0 transitions in 74Kr
Phys. Scr. T88 (2000) 17

F. Bellemann et al. (The MOMO Collaboration)
Pion--pion p-wave dominance in the p d ->3He pi+ pi- reaction near threshold
Phys. Rev. C60 (1999) 061002(R)

F. Hannachi et al.
Collective excitations in the superdeformed well
Acta Phys. Pol. B32 (2001) 1083

F. Hinterberger
Polarized Proton Beam Development at COSY with EDDA as a Fast Internal Polarimeter
Proceedings of the 14th International Spin Physics Symposium Osaka, Japan (2000) Eds. Kichij Hatanaka, Takahashi Nakano, Kenichi Imai, Hiroyasu EjiriAIP Conference Proceedings 570 (2001) 731

F. Mormann et al.
Mean phase coherence as a measure for phase synchronization and its application to the EEG of epilepsy patients.
Physica D 144 (2000) 358

G. Fernandez et al.
Real-time tracking of memory formation in the human rhinal cortex and hippocampus
Science 285 (1999) 1582

G. Fernandez et al.
An inferior temporal stream for word processing with integrated mnemonic function.
Human Brain Mapping 14 (2001) 251-260

G.G Adamian et al.
How to observe hyperdeformed states populated in heavy ion reactions
Phys. Rev. C64 (2001) 14306

G. Jakob et al.
Spin dependence of d_5/2 neutron configurations in the wave functions of 92,94Zr from g-factor measurements
Phys. Lett. B468 (1999) 13

G. Jakob et al.
First measurements of the g factors of the 2+_1 and the 3-_1 states of semi-magic 90Zr
Phys. Lett. B494 (2000) 187

G. Kemper et al.
Investigation of the magnetic rotation in 196Pb
Eur. Phys. J. A11 (2001) 121

G. Seewald et al.
Nuclear magnetic resonance of 82Br in hcp Co
Physical Review B59 (1999) 13948

G. Widman et al.
Spatial distribution of neuronal complexity loss in neocortical epilepsies.
Epilepsia 41 (2000) 811-817

H. Amro et al.
First evidence for triaxial superdeformation in 168Hf
Phys. Lett. B506 (2001) 39

H. Heusser et al.
Slow positron beam facility for investigations of plastically deformed metals and surface crystallization on silica
Appl. Surf. Sci. 149 (1999) 49

H. Hübel
Spectroscopy of superdeformed Pb isotopes
Acta Phys. Pol. B32 (2001) 2673

H. Leipner et al.
Vacancy clusters in plastically deformed semiconductors
J. Phys.: Condens. Matter 12 (2000) 10071

H. Mommsen
Röntgenfluoreszenzanalyse früher römischer Kameogläser
in: R. Lierke, Antike Glastöpferei, Philipp von Zabern, Mainz (1999) 85

H. Mommsen
Provenance determination of pottery by trace element analysis: Problems, solutions and applications
Journal of Radioanalytical and Nuclear Chemistry 247 (2001) 657

H. Mommsen, D. Hertel, P. A. Mountjoy
Neutron activation analysis of the pottery from Troy in the Berlin Schliemann collection
Archäologischer Anzeiger, Heft 2 (2001) 169

H. Mommsen et al.
Neue Ergebnisse zum sächsischen Steinzeug: Herkunftsbestimmung durch Neutronenaktivierungsanalyse und Auswertung von Archivalien
Keramos 169 (2000) 67

H. Mommsen et al.
Untersuchung der Legierung von äthiopischen Metallkreuzen
Restauro, Heft 8 (2001) 590

H. Mommsen et al.
New production centres of ceramics from Bronze age settlements in central Greece obtained by neutron activation analysis
in: Archaeometry issues in Greek Prehistory and Antiquity, Y. Bassiakos,E. Aloupi, Y. Facorellis (eds.), Athen 2001, p. 343

H. Mommsen et al.
Charakterisierung bronzezeitlicher Keramik von Aegina durch NAA, Archäologisches Zellenwerk, Beiträge zur Kulturgeschichte in Europa und Asien
Festschrift Helmut Roth, Internationale Archäologie - Studia Honoraria 16, Hrsg. E. Pohl, U. Recker und C. Theuner, Raden/Westfalen, 2001, 79

H. Mommsen, F. Jansen , R. Renner
Geomagnetische Prospektionsmessungen in Karakorum, Mongolei, Archäologisches Zellenwerk, Beiträge zur Kulturgeschichte in Europaund Asien,
Festschrift Helmut Roth, Internationale Archäologie - Studia Honoraria 16, Hrsg. E. Pohl, U. Recker und C. Theuner, Raden/Westfalen, 2001, 71

H. Mommsen , G. Schneider
Der Weg der Töpfe
Spektrum der Wissenschaft, Nov. 2000, 82

H. Mommsen , J. Maran
Production places of some Mycenaean pictorial vessels - the contribution of chemical pottery analysis
Opuscula Atheniensia, 25 - 26 (2000 - 2001) 95

H.S. Leipner et al.
Open-volume defects in plasically deformed semiconductors
Mater. Sci. Forum 363-365 (2001) 61

H. Stilke, A. Hein , H. Mommsen
Neutronenaktivierungsanalyse an mittelalterlicher Keramik aus Mayen und an Tatinger Ware
Berichte zur Archäologie an Mittelrhein und Mosel, H.-H. Wegener (Hrsg.), Bd. 6, Trier (1999) 403

I. Hamamoto et al.
First evidence for the wobbling mode in a triaxial superdeformed odd-A nucleus
Acta Phys. Pol. B32 (2001) 2545

J. Arnhold, P. Grassberger, K. Lehnertz
Chaos im Kopf?
Physikalische Blätter 56 (2000) 27-32

J. Arnhold , P. Grassberger, K. Lehnertz , C.E. Elger
A robust method for detecting generalized synchronization: Application to intracranially recorded EEG
Physica D 134 (1999) 419

J. Bartels , C. Noll, R. Vianden
Cavities in silicon investigatedwith the PAC-probe 111In
Hyperfine Interactions 120-121 (1999) 353

J. Bartels et al.
Incorporation of the transition metal Hf into GaN
Hyperfine Interactions 120-121 (1999) 397

J. Bartels et al.
Dopants in Semiconductors Studied by Perturbed Angular Correlation
Acta Physica Polonica A100 (2001) 585

J. Barth et al.
New results on eta and etaprime photoproduction with SAPHIR at ELSA
Nucl. Phys. A691 (2001) 374

J. Domscheit et al.
Triaxial superdeformation in 163Lu
Nucl. Phys. A660 (1999) 381

J. Domscheit et al.
Angular momentum limit in Hf isotopes produced in three fusion-evaporation reactions
Nucl. Phys. A689 (2001) 655

J. Fell et al.
Rhinal-hippocampal coupling is essential for human memory formation.
Nature Neuroscience, 4 (2001) 1259

J.G. Marques et al.
Electric field gradients at the 111In site in the ferroelectric and paraelectric phase of LiTaO_3
Hyperfine Interactions 120-121 (1999) 485

J. Gebauer et al.
Defect identification in GaAs grown at low temperatures by positron annihilation.
J. Appl. Phys. 87 (2000) 8368

J. Gebauer et al.
Direct identification of as vacancies in GaAs using positron
Phys. Rev. B 63 (2001), 045203/1

J. Gebauer et al.
Detailed microscopic defect identification in GaAs
Mater. Sci. Forum 363-365 (2001) 76

J. Gebauer, R. Krause-Rehberg, T.E.M. Staab
Lifetime of positrons in the GaAs lattice
phys. stat. sol. B 220 (2000) R1

J. Gröger et al.
Nuclear structure of 196Au: More evidence for its supersymmetric description
Phys.Rev. C62 (2000) 064304

J. Holden et al.
Evidence for 2f_7/2 neutron strength in the low energy structure of 144,146,148,150Nd isotopes
Phys. Lett. B493 (2000) 7

J. Schüth et al.
NMR on protons from a polarized cyclotron beam
Chem. Phys. Lett. 303 (1999) 453

K.A. Schmidt et al.
Study of 169Hf at high rotational frequency
Eur. Phys. J. A12 (2001) 15

K. Bennewitz et al.
Achsschraubenfederung aus Titan
Automobiltechnische Zeitschrift 103 (7/8) (2001) 654

K.-H. Speidel et al.
Core polarization in the light of new experimental g factors of fp shell N=28 isotones
Phys. Rev. C62 (2000) 031301(R)

K. Knorr et al.
Self-diffusion in the amorphous and supercooled liquid state of the bulk metallic glass Zr_46.75 Ti_8.25 Cu_7.5 Ni_10 Be_27.5
Journal of Non-Crystalline Solids 250-252 (1999) 669

K. Lehnertz
Nonlinear time series analysis of intracranial EEG recordings in patients with epilepsy -- an overview
International Journal of Psychophysiology 34 (1999) 45

K. Lehnertz et al.
Is it possible to anticipate seizure onset by non-linear analysis of intracerebral EEG in human partial epilepsies ?
Revue Neurologique (Paris) 155 (1999) 454

K. Lehnertz et al.
Nichtlineare EEG-Analysen
Schweizer Archiv f. Neurologie und Psychiatrie 150 (1999) 72

K. Lehnertz et al.
Possible clinical and research applications of nonlinear EEG analysis in humans.
In: K. Lehnertz, J. Arnhold, P. Grassberger and C. E. Elger (Eds.) Chaos in Brain ?World Scientific, Singapore, 2000, 134-155

K. Lehnertz et al.
Nonlinear EEG analysis in epilepsy: Its possible use for interical focus localization, seizure anticipation, and prevention.
J. Clinical Neurophysiology 18 (2001) 209

K. Lorenz et al.
RBS/Channeling Study of Er Doped GaN Films Grown by MBE on Si(111)
Nucl. Instrum. Methods Phys. Res. B 161-163 (2000) 946

K. Lorenz et al.
Defect Trapping and Annealing for Transition Metal Implants in Group III Nitrides
MRS Internet J. Nitride Semicond. Res. 5S1 (2000)

K. Lorenz, F. Ruske, R. Vianden
Annealing Behaviour of GaN after Implantaion with Hafnium and Indium
Phys. Stat. Sol. B 228 (2001) 331

K. Sternickel et al.
Nonlinear denoising using reference data.
Phys. Rev. E 63 (2001) DOI 036209

L. Torpo et al.
Comprehensive ab-initio study on properties of monovacancies and antisites in {4H-SiC}
J. Phys. Condens. Mater 13 (2001) 6203

M. Altmeier et al. (The EDDA Collaboration)
A helical scintillating fiber hodoscope
Nucl. Instr. and Meth. in Phys. Res. A431 (1999) 428

M. Altmeier et al. (The EDDA Collaboration)
Excitation Functions of the Analyzing Power in pp Scattering from 0.45 to 2.5 GeV/c
Phys. Rev. Lett. 85 (2000) 1819

M. Betigeri et al. (The GEM collaboration)
The germanium wall of the GEM detector system
Nucl. Instr. Meth. 421 (1999) 447

M. Betigeri et al. (The GEM collaboration)
Precise momentum determination of the external COSY proton beam near 1930 MeV/c
Nucl. Instr. Meth. 426 (1999) 249

M. Betigeri et al. [GEM Collaboration]
Simultaneous measurements of the p + d -> (A = 3) + pi reactions
Nucl. Phys. A690 (2001) 473

M. Betigeri et al. [GEM Collaboration]
Measurement of p d -> 3He eta in S_11 resonance
Phys. Lett. B472 (2000) 267

M. Betigeri et al. [GEM Collaboration]
Test of charge independence in p + d -> (A = 3) + pion reactions
Nucl. Phys. A663 (2000) 963

M. Betigeri et al. [GEM Collaboration]
Differential cross sections measurement for the p p -> d pi+ reaction at 850 MeV/c
Phys. Rev. C63 (2001) 044011

M. Dietrich et al.
Quadrupole Interaction in Ternary Chalcopyrite Semiconductors: Experiments and Theory
Z. Naturf. 55a (2000) 256

M. Dietrich et al.
Response of the Electric Field Gradient in Ion Implanted BaTiO_3 to an External Electric Field
Mat. Res. Soc. Symp. 655 (2001) CC10.11.1

M. Forker et al.
Hyperfine spectroscopic study of Hf_2 Fe hydrides and their thermal stability
J. Alloys and Compounds 285 (1999) 12

M. Forker et al.
Perturbed-angular-correlation study of phase transformations in nanoscaled Al_2O_3-coated and non-coated ZrO_2 particles synthesized in a microwave plasma
Phys. Rev. B61 (2000) 1014

M. Forker et al.
Hyperfine Interactions at 111Cd in GdAl_2
J. Magn. Magn. Mat. 226-230 (2001) 1156

M. Forker, U. Hütten , M. Müller
181Ta perturbed-angular-correlation study of electric quadrupole interactions in yttrium metal and yttrium-hydrogen solid solutions
J. Phys. Cond. Matter 12 (2000) 7117

M. Haaks et al.
Measurements on cracktips in stainless steel AISI 321 by using a new positron microprobe
Appl. Surf. Sci. 149 (1999) 207

M. Koll et al.
A Relativistic Quark Model for Mesons with an Instanton-Induced Interaction
Eur. Phys. J. A 9 (2000) 73

M.L. Brooks et al. (The MEGA collaboration)
New Limit for the Lepton-Family-Number Nonconserving Decay mu+ -> e+ gamma.
Phys.Rev.Letters 83 (1999) 1521

M. Renteria et al.
Non-ionic contributions to the electric-field gradient at 111Cd/181Ta impurities in bixbyites
Hyperfine Interactions, 120-121 (1999) 449

N. Buforn et al.
Magnetic properties of the nuj_15/2 intruder orbital in the superdeformed minimum of 197Pb
Eur. Phys. J. A9 (2000) 29

O. Kenn et al.
Particle detection for future g factor measurements of Coulomb excited radioactive beams
Nucl. Instr. Meth. B171 (2000) 589

O. Kenn et al.
Striking harmony between the nuclear shell model and new experimental g factors and B(E2) values of even Ni isotopes
Phys. Rev. C63 (2001) 021302(R)

O. Kenn et al.
Measurements of g factors and lifetimes of the 2+_1 states in 58,60,62,64Ni and their implication for shell model calculations
Phys. Rev. C63 (2001) 064306

P. Mountjoy , H. Mommsen
Mycenaean pottery from Qantir-Piramesse
Egypt Annual of the British School at Athens 96 (2001) 123

P. Schuurmans et al.
Angular distributions of alpha particles emitted by deformed oriented nuclei
Phys. Rev. Lett. 82 (1999) 4787

R. Ernst et al.
Stringent tests of shell model calculations in fp shell nuclei 46,48Ti and 50,52Cr from measurements of g factors and B(E2) values
Phys. Rev. Lett. 84 (2000) 416

R. Ernst et al.
Shell structure of Ti and Cr nuclei from measurements of g factors and lifetimes
Phys. Rev. 62 (2000) 024305

R. G. Andrezjak et al.
Indications of nonlinear deterministic and finite dimensional structures in time series of brain electrical activity - dependence on recording region and brain state.
Phys Rev E. 64 (2001) DOI 061907

R. G. Andrzejak et al.
Nonlinear deterministic dynamics in seizure free {EEG} epochs as an indicator of the epileptogenic process. A comparison of three surrogate methods.
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R. G. Andrzejak et al.
The epileptic process as nonlinear deterministic dynamics in a stochastic environment - an evaluation of mesial temporal lobe epilepsy.
Epilepsy Research, 44 (2001) 129-140

R. Kumar et al.
Rotational bands in the doubly odd 130Cs nucleus
Eur. Phys. J. A11 (2001) 5

R. Quian Quiroga et al.
Kullback-Leibler and renormalized entropy: Applications to EEGs of epilepsy patients.
Phys. Rev. E 62 (2000) 8380

R. Ricken et al.
The Meson Spectrum in a Covariant Quark Model
Eur. Phys. J. A 9 (2000) 221

S. Goers et al. (The SAPHIR Collaboration)
Measurement of gamma p -> K0 Sigma+ at photon energies up to 1.55 GeV
Phys. Lett. B464, (1999) 331

S. Müller et al.
Perturbed Angular Correlation Study of Magnetic and Electric Hyperfine Interactions at 111Cd in GdNi_2 and SmNi_2
Hyp. Int. 133 (2001) 59

S. Törmänen et al.
Triaxial superdeformed bands in 164Lu and enhanced E1 decay-out strength
Phys. Lett. B454 (1999) 8

S.W. Odegard et al.
First evidence for the wobbling mode in nuclei
Phys. Rev. Lett. 85 (2001) 5866

S. Wagner et al.
New measurement of the g factor of the 54Cr(2+) state and its shell model interpretation
Phys. Rev. C64 (2001) 034320

T. Case et al. [Crystal Barrel Collaboration]
New analysis of the radiative decay gamma in pbar p annihilation at rest
Phys. Rev. D61 (2000) 032002

T.E.M. Staab, B. Kieback
Positron annihilation spectroscopy - a tool for the characterization of defects in porous and fine-grained powder compacts.
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T.E.M. Staab, E. Zschech, R. Krause-Rehberg
Positron lifetime measurements for the characterization of nano-structural changes in the age hardenable {AlCuMg} 2024 alloy
J. Mater. Sci. 35 (2000) 4667

T.E.M. Staab et al.
Magic number vacancy aggregates in {GaAs} and {Si} - structure and positron lifetime studies
Physica B 273--274 (2000) 501

T.E.M. Staab et al.
Calculated positron annihilation parameters for defects in {SiC}.
Mater. Sci. Forum 353-356 (2001) 533

T.E.M. Staab et al.
Irradiation experiments revisited - stability and positron lifetime of large vacancy clusters in silicon
Mater. Sci. Forum 363-365 (2001) 135

T.E.M. Staab et al.
Do arsenic interstitial really exist in {As}-rich {GaAs}?
Phys. Rev. Lett. 87 (4)(2001) 045504/1

T.J. Mertzimekis et al.
First measurements of g factors in the even Kr isotopes
Phys. Rev. C64 (2001) 024314

T. Monteiro et al.
Photoluminescence and Lattice Location of Eu and Pr Implanted GaN Samples
Physica B 308-310 (2001) 22

T. Wider, K. Maier, U. Holzwarth
Temperature-dependent positron trapping in copper and aluminum tubes after tensile deformation
Phys. Rev. B60 (1999) 179

U. Holzwarth et al.
Positron annihilation studies on the migration of deformation induced vacancies in stainless steel AISI 316
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U. Löring, B.Ch. Metsch, H.R. Petry
The light baryon spectrum in a relativistic quark model with instanton-induced forces - the non-strange baryon spectrum and ground-states
Eur. Phys. J. A 10 (2001) 395

U. Löring, B.Ch. Metsch, H.R. Petry
The light baryon spectrum in a relativistic quark model with instanton-induced forces - the strange baryon spectrum
Eur. Phys. J. A 10 (2001) 447

U. Löring et al.
Relativistic quark models of baryons with instantaneous forces - Theoretical background
Eur. Phys. J. A 10 (2001) 309

U. Mannig et al.
Defect Production by the TEM beam - the first application of the positron microprobe
Appl. Surf. Sci. 149 (1999) 217

U. Thoma
Partial wave analysis at the Crystal Barrel experiment
Nucl. Phys. A655 (1999) 89

V. Huhn et al.
New Attempt to Determine the n-n Scattering Length with the 2H(n,np)n Reaction.
Phys. Rev. Lett. 85 (2000) 1190

V. Huhn et al.
New investigation of the neutron-neutron and neutron-proton final-state interaction in the n-d breakup reaction.
Phys. Rev. C63 (2000) 014003

V. Koptev et al. (ANKE Collaboration)
Forward K+ production in subthreshold p A collisions at 1.0-GeV
Phys. Rev. Lett. 87 (2001) 022301

W. Pohler et al.
Conversion electron spectroscopy of magnetic-rotational bands in 197Pb and 199Pb
Eur. Phys. J. A5 (1999) 257

X.-Y. Fang et al.
Coupled cluster expansions for the massive Schwinger model in the lattice hamiltonian formalism
Phys. Rev. D64 (2001) 014501


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