F. Bieser
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A MEASUREMENT OF THE ISOTOPIC COMPOSITION OF GALACTIC COSMIC RAY CARBON, NITROGEN AND OXYGEN Open
The results of an investigation of the isotopic composition of galactic cosmic ray carbon, nitrogen and oxygen (E approx. 80 to 230 MeV/amu) made using the U.C. Berkeley HKH instrument aboard the ISEE-3 spacecraft are reported. The combina…
A Heavy Flavor Tracker for STAR Open
We propose to construct a Heavy Flavor Tracker (HFT) for theSTAR experiment at RHIC. The HFT will bring new physics capabilities toSTAR and it will significantly enhance the physics capabilities of theSTAR detector at central rapidities. T…
A Heavy Flavor Tracker for STAR Open
We propose to construct a Heavy Flavor Tracker (HFT) for the STAR experiment at RHIC. The HFT will bring new physics capabilities to STAR and it will significantly enhance the physics capabilities of the STAR detector at central rapidities…
Charged particle detection using a CMOS active pixel sensor Open
Active Pixel Sensor (APS) technology has shown promise for next-generation\nvertex detectors. This paper discusses the design and testing of two\ngenerations of APS chips. Both are arrays of 128 by 128 pixels, each 20 by 20\nmicro-m. Each …
Constructing the phase diagram of finite neutral nuclear matter Open
The fragment yields from the multifragmentation of gold, lanthanum, and krypton nuclei obtained by the EOS Collaboration are examined in terms of Fisher's droplet formalism modified to account for Coulomb energy. The critical exponents sig…
The coexistence curve of finite charged nuclear matter Open
The multifragmentation data of the ISiS Collaboration and the EOS Collaboration are examined. Fisher's droplet formalism, modified to account for Coulomb energy, is used to determine the critical exponents {tau} and {sigma}, the surface en…
Statistical signatures of critical behavior in small systems Open
The cluster distributions of different systems are examined to search for\nsignatures of a continuous phase transition. In a system known to possess such\na phase transition, both sensitive and insensitive signatures are present;\nwhile in…
Nuclear Multifragmentation, Percolation, and the Fisher Droplet Model: Common Features of Reducibility and Thermal Scaling Open
It is shown that the Fisher droplet model, percolation, and nuclear multifragmentation share the common features of reducibility (stochasticity in multiplicity distributions) and thermal scaling (one-fragment production probabilities are B…
Tips to assemble the Berkeley Lab Cosmic Ray Detector Open
Tips to Assemble the Berkeley Lab Cosmic Ray Detector Colleen Twitty, Fred Bieser and Howard Matis Lawrence Berkeley National Laboratory LBNL-46911— August 2002 (Version 1.02) Introduction The Berkeley Comic ray consists of several items. …
View article: The Evolution of Nuclear Multifragmentation in the Temperature-Density Plane
The Evolution of Nuclear Multifragmentation in the Temperature-Density Plane Open
The mean transverse kinetic energies of the fragments formed in the interaction of 1 A GeV Au+C have been determined. An energy balance argument indicates the presence of a collective energy which increases in magnitude with increasing mul…
View article: Strange Particle Measurements Strange Particle Measurements from the EOS TPC
Strange Particle Measurements Strange Particle Measurements from the EOS TPC Open
Author(s): Justice, M.; Alberto, S.; Bieser, F.; Brady, F.P.; Caccia, Z.; Cebra, D.; Chacon, A.D.; Chance, J.; Choi, Y.; Costa, S.; Elliott, J.; Gilkes, M.; Hauger, J.; Hirsch, A.; Hjort, E.; Insolia, A.; Justice, M.; Keane, D.; Kintner, J…
Is There Evidence for a Liquid-Gas Phase Transition in Nuclear Matter? Open
Author(s): Albergo, S.; Bieser, F.; Brady, F.P.; Caccia, Z.; Cebra, D.A.; Chacon, A.D.; Chance, J.L.; Choi, Y.; Costa, S.; Elliott, J.B.; Gilkes, M.L.; Hauger, J.A.; Hjort, E.L.; Isolia, A.; Justice, M.; Keane, D.; Kintner, J.C.; Lindenstr…
STAR Project Conceptual Design Report Update Open
Author(s): Berkowitz, J.; Bieser, F.; Bloomer, M.A.; Cebra, D.; Chase, S.I.; Christie, W.; Edwards, W.R.; Green, M.; Greiner, D.; Harris, J.W.; Huang, H.; Jacobs, P.; Jones, P.; Kleinfelder, S.; LaPierre, R.; Lindstrom, P.; Margetis, S.; M…
Highly integrated electronics for the star TPC Open
The concept for the STAR TPC front-end electronics is presented and the progress toward the development of a fully integrated solution is described. It is the goal of the R+D program to develop the complete electronics chain for the STAR c…
A TPC (Time Projection Chamber) detector for the study of high multiplicity heavy ion collisions Open
The design of a Time Projection Chamber (TPC) detector with complete pad coverage is presented. The TPC will allow the measurements of high multiplicity ({approx} 200 tracks) relativistic nucleus-nucleus collisions initiated with the heavi…
THE ISOTOPIC COMPOSITION OF NEON IN THE GALACTIC COSMIC RAYS--A HIGH RESOLUTION MEASUREMENT Open
A measurement of the isotopic composition of galactic cosmic ray neon in the energy range 70 to 260 MeV/amu has been made using the U.C. Berkeley HKH instrument aboard ISEE-3. A combination of high resolution and good statistical accuracy …
Thin window Si(Li) detectors for the ISEE-C telescope Open
Special detectors have been developed for the NASA ISEE-C Cosmic Ray Telescope. These are Li-drifted silicon detectors 5 mm thick and 1500 mm/sup 2/ area with the criteria that thickness variations on the whole area be less than +-10 ..mu.…
HEAVY ION BEAMS AT THE BEVATRON I: ACCELERATION OF HEAVY IONS AT THE BEVATRON. / II: FRAGMENTATION OF 14N NUCLEI AT 2.1 GeV/NUCLEON. / III: RADIOLOGICAL PHYSICS CHARACTERISTICS OF THE EXTRACTED HEAVY-ION BEAMS OF THE BEVATRON Open
Author(s): Grunder, H.A.; Hartsough, W.D.; Lofgren, E.J.; Heckman, H.H.; Greiner, D.E.; Lindstrom, P.J.; Bieser, F.S.; Tobias, C.A.; Lyman, J.T.; Chatterjee, A.; Howard, J.; Maccabee, H.D.; Raju, M.R.; Smith, A.R.; Sperinde, J.M.; Welch, G…