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Volume 45, Number 3-4, 2000
Proceedings of the International Symposium

(Fifty Years of Institutional Physics Research in Romania)
9-10 December 1999, Bucharest, Romania
Organized by "Horia Hulubei" National Institute of Nuclear Physics and Engineering (IFIN-HH)

• UNESCO Venice Ofﬁce (UVO-ROSTE)
• JINR Dubna
• National Agency for Science, Technology and Innovation, Bucharest
• Romanian Commercial Bank, via ProFIZICA NGO
EDITORS:
Dorin Poenaru and Sabin Stoica
"Horia Hulubei" National Institute of Nuclear Physics and Engineering, Bucharest, Romania

PREFACE
Dorin N. Poenaru
Romanian Journal of Physics 45, 167-170 (2000)
Fission Modes

Preformation Probabilities for Light Ternary Clusters in the Cold Fragmentation of $^{252}$Cf
A. Florescu, A. Sandulescu, D. S. Delion, J. H. Hamilton, A. V. Ramayya, W. Greiner
Romanian Journal of Physics 45, 171-176 (2000)
Alpha Half-Lives of Superheavy Nuclei with Z = 104-118 and N = 163-175 Produced in the Reaction of $^{86}$Kr with $^{208}$Pb
I. Silisteanu, W. Scheid, A. Sandulescu
Romanian Journal of Physics 45, 177-184 (2000)
Rotations and Vibrations of Trinuclear Molecules
S. Misicu, P. O. Hess, W. Greiner
Romanian Journal of Physics 45, 185-189 (2000)
Single-Particle Effects in the ﬁne Structure of Superasymmetric ﬁssion
M. Mirea
Romanian Journal of Physics 45, 191-194 (2000)
Nuclear Shape Parameterization for Multicluster Fission
B. Dobrescu
Romanian Journal of Physics 45, 195-200 (2000)
Nuclear Structure

Simultaneous Projection of Particle-Number and Angular Momentum BCS Wave-Functions in the Rare-Earth Nuclei
M. R. Oudih
Romanian Journal of Physics 45, 201-204 (2000)
The YRAST Superdeformed Band in $^{59}$Cu
Corina Andreoiu, D. Rudolph, C. E. Svensson, C. Baktash, J. Eberth, C. Fahlander, D. S. Haslip. D. R. Lafosse, S. D. Paul, D. G. Sarantites, H. G. Thomas, J. C. Waddington, W. Weintraub, J. N. Wilson
Romanian Journal of Physics 45, 205-209 (2000)
On the Structure of Deuterons under Their Collision
V. Romanov, G. Filipov
Romanian Journal of Physics 45, 211-214 (2000)
Reactions

A New Approach of a Global Alpha-Optical Model Potential at Low Energies
Cornelia Grama
Romanian Journal of Physics 45, 215-218 (2000)
New Class Resonant States Corresponding to Attractors in the $k$-Plane. Di-Nuclear Quasimolecular States
N. Grama
Romanian Journal of Physics 45, 219-222 (2000)
Riemann Surface Approach to Bound and Resonant States. Exotic Resonant States for a Central Rectangular Potential
N. Grama
Romanian Journal of Physics 45, 223-225 (2000)
About Classical Motion of Nucleon Wave Packets
Arina M. Sytcheva, G. F. Filipov, S. V. Korennov
Romanian Journal of Physics 45, 227-230 (2000)
Various Aspects Concerning the Nuclear Caloric Curve
Al. H. Răduţă, Ad. R. Răduţă
Romanian Journal of Physics 45, 231-235 (2000)
Soft Dipole Mode of $^6$He in Asymptotic Potential Approximation
G. F. Filippov, Yu. A. Lashko, L. P. Shvedov
Romanian Journal of Physics 45, 237-240 (2000)
Importance of the Wave Function Tail in Computing the Pre-Emission Probability for the Halo Neutron from $^{11}$Be Fusion with Light and Heavy Targets
Cristina Bordeanu
Romanian Journal of Physics 45, 241-243 (2000)
Astrophysics and Cosmic Rays

Charged-Particle Induced Thermonuclear Reaction Rates: A Compilation for Astrophysics
Cornelia Grama
Romanian Journal of Physics 45, 245-247 (2000)
Muons as Messengers from the Cosmos
Ileana Magdalena Brâncuş
Romanian Journal of Physics 45, 249-253 (2000)
The Role of Muons for the Atmospheric Neutrino Anomaly
J. Wentz
Romanian Journal of Physics 45, 255-258 (2000)
Measurements of the Charge Ratio of Atmospheric Muons in the Range 0.2 - 1.0 Gev/C by Observing the Decay Electrons from Muonic Atoms
B. Vulpescu, J. Wentz, I. M. Brâncuş, H. Rebel, A. F. Badea, H. Bozdog, M. Duma, A. Haungs, H. J. Mathes, M. Petcu, M. Roth
Romanian Journal of Physics 45, 259-261 (2000)
What Do We Learn about the Longitudinal Development of Extensive Air Showers in the Atmosphere by Observing the Arrival Time of the Muon Component?
Romanian Journal of Physics 45, 263-265 (2000)
Atomic Physics

The Main Achievements in the Atomic and Nuclear Physics Research Using the Track Detection
Ana Daniş, Mariana Ciubotariu, Al. Enulescu, C. Ciortea
Romanian Journal of Physics 45, 267-277 (2000)
Study and Development of the 14 Ghz ECR Ion Source Recris for Atomic Physics and Material Researches
Ş. Dobrescu, L. Schachter, Al. Bădescu-Singureanu, K. E. Stiebing, S. Runkel
Romanian Journal of Physics 45, 279-283 (2000)
Mathematical Physics

Boson Expansion for Kähler Orbits
Ş. Berceanu, A. Gheorghe
Romanian Journal of Physics 45, 285-288 (2000)
On the Quantiﬁcation of Free Fields of Spin 1 and 2
D. R. Grigore
Romanian Journal of Physics 45, 289-295 (2000)
Hamilton-Jacobi Formulation of Constrained Systems
Y. Güler
Romanian Journal of Physics 45, 297-300 (2000)
Multiple Scales and Bilinear Approach for 1-D Nonlocal Nonlinear Lattices
A. S. Cârstea, Dan Grecu, Anca Vişinescu
Romanian Journal of Physics 45, 301-307 (2000)
Weakly Localized and Supersymmetric Structures in Nonlinear Evolution Equations
A. S. Cârstea
Romanian Journal of Physics 45, 309-313 (2000)
Purity and Decoherence in the Theory of Open Quantum Systems
Aurelian Isar
Romanian Journal of Physics 45, 315-318 (2000)
Dissipative Tunneling through a Potential Barrier in the Lindblad Theory of Open Quantum Systems
Aurelian Isar
Romanian Journal of Physics 45, 319-321 (2000)
Lax Tensors and Separable Coordinates
D. Băleanu
Romanian Journal of Physics 45, 323-326 (2000)
National Facilities, Applications and Nuclear Instruments

National Facilities for the Management of Institutional Radioactive Waste in Romania
Gheorghe Rotărescu
Romanian Journal of Physics 45, 327-330 (2000)
Time Behavior Evaluation of Wwrs Ifin-Hh Reactor Spent Fuel Characteristics Using the Scale 4.3 Computational System
Daniela Ene, Gheorghe Rotărescu
Romanian Journal of Physics 45, 331-335 (2000)
Project of Positron Source at the U-120 Cyclotron Bucharest. Status Report
P. M. Racolţa, N. Miron, L. Popa Simil, Dana Voiculescu
Romanian Journal of Physics 45, 337-339 (2000)
Low Resistivity Substrates for the Silicon Microstrips Sensors Optimisation
M. Angarano, G.M. Bilei, A. Mihul, Otilia Militaru
Romanian Journal of Physics 45, 341-344 (2000)
High-Energy Heavy-Ion Irradiation Effect on Boron Redistribution in Silicon
Nicoleta Dinu, I.V. Antonova, V.A. Skuratov, V.I. Obodnikov, A. Yu. Didyk, L. N. Safronov
Romanian Journal of Physics 45, 345-348 (2000)
A Method for Elemental Analysis of Bones by Recoiling Atoms in Heavy Ion Beams
Livia Brazdes
Romanian Journal of Physics 45, 349-351 (2000)
HTS Zimmerman SQUIDs, Associated Electronics and Some Anomalies
Al. Rusu, G. Aldica, Al. Niculescu, Alina Radu, S. Popa
Romanian Journal of Physics 45, 353-359 (2000)
Multiple Sampling Ionization Chamber (MUSIC) for Fusion Induced by Halo Nuclei Investigation
Horia Petraşcu
Romanian Journal of Physics 45, 361-363 (2000)
Array Detector for Neutron Pro-Emission Investigations
Marius Petraşcu
Romanian Journal of Physics 45, 365-367 (2000)
Surveillance System at IFIN-HH Using Gamma Probe SI-01
A. Cîmpean
Romanian Journal of Physics 45, 369-370 (2000)
Statistical Discrimination Based Monitor for Radioactive Gases and Vapors
L. Purghel, N. Vâlcov
Romanian Journal of Physics 45, 371-374 (2000)
A Radon Monitor with Statistical Discrimination. Functional Model
N. Vâlcov, L. Purghel, A. Vasilescu
Romanian Journal of Physics 45, 375-379 (2000)