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Experience with the NEG (nonevaporable getter) strips at the Brookhaven heavy ion transport line

Description: The AGS and the Tandem Van de Graaff, two valuable physics assets, are now jointed together by a transport line of 700 m in length. This line allows heavy ions from the Tandem, up to a fully striped silicon (M = 28) to be injected into the AGS and accelerated to energies of approximately 15 GeVamu. New areas of physics research at very high nuclear densities can now be studied using some of the extensive experimental facilities already existing at the AGS. With the addition of a booster synchro… more
Date: January 1, 1988
Creator: Hseuh, H. C.; Benjamin, J.; Stattel, P.; Feigenbaum, I. & Manni, M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Tandem injected relativistic heavy ion facility at Brookhaven: Present and future

Description: The Brookhaven Tandem Facility has been recently joined to the Alternating Gradient Synchrotron (AGS) by means of an approx. =680 meter long heavy ion transfer line. The design and construction of this line are described as well as the Tandem and AGS modifications which made it possible to initiate a relativistic heavy ion research program. Operational experience and performance during the first 14.6 GeV/amu /sup 16/O and /sup 28/Si runs are reviewed. At present the facility is capable of accel… more
Date: April 1, 1987
Creator: Thieberger, P.; Barton, D. S.; Benjamin, J.; Chasman, C.; Foelsche, H. & Wegner, H. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Setup and Performance of the Rhic Injector Accelerators for the 2007 Run With Gold Ions

Description: Gold ions for the 2007 run of the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) are accelerated in the Tandem, Booster and AGS prior to injection into RHIC. The setup and performance of this chain of accelerators is reviewed with a focus on improvements in the quality of beam delivered to RHIC. In particular, more uniform stripping foils between Booster and AGS7 and a new bunch merging scheme in AGS have provided beam bunches with reduced longitudinal emittance … more
Date: June 25, 2007
Creator: Gardner, C.; Ahrens, L.; Alessi, J.; Benjamin, J.; Blaskiewicz, M. & Al., Et
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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A PROPOSAL TO MEASURE THE CROSS SECTION OF THE SPACE STAR IN NEUTRON-DEUTERON BREAKUP IN A RECOIL GEOMETRY SETUP

Description: Nucleon-deuteron (Nd) breakup is an important tool for obtaining a better understanding of three-nucleon (3N) dynamics and for developing meson exchange descriptions of nuclear systems. The kinematics of the nd breakup reaction enable observables to be studied in a variety of exit-channel configurations that show sensitivity to realistic nucleon-nucleon (NN) potential models and three-nucleon force (3NF) models. Rigorous 3N calculations give very good descriptions of most 3N reaction data. Howe… more
Date: September 30, 2009
Creator: III, Benjamin J. Crowe
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Oak Ridge 25-MV tandem accelerator

Description: A new heavy-ion accelerator facility is nearing completion at the Oak Ridge National Laboratory. This paper presents a brief description of the scope and status of this project and a discussion of some aspects of the first operational experience with the 25 MV tandem accelerator which is being provided by the National Electrostatics Corporation (NEC) as a major component of the first phase of the facility.
Date: January 1, 1981
Creator: Ziegler, N. F.; Richardson, E. G.; Mann, J. E.; Juras, R. C.; Jones, C. M.; Biggerstaff, J. A. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Status of the Oak Ridge 25 MV tandem accelerator

Description: A summary is given of the performance testing of the 25 URC Pelletron tandem at Oak Ridge National Laboratory during the period from October 1979 through October 1980. (GHT)
Date: January 1, 1980
Creator: Ziegler, N. F.; Richardson, E. G.; Mann, J. E.; Juras, R. C.; Jones, C. M.; Biggerstaff, J. A. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Operation of the RHIC AU ION Source

Description: The Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) is beginning its second year of operation. A cesium sputter ion source injecting into a tandem Van de Graaff provides the gold ions for RHIC. The ion source is operated in the pulsed beam mode and produces a 500{micro}sec long pulse of Au{sup -} with a peak intensity of 290pA at the entrance of the tandem. After acceleration in the tandem and post stripping, this results in a beam of Au{sup +32} with an intensity… more
Date: September 2, 2001
Creator: Steski, D. B.; Alessi, J.; Benjamin, J.; Carlson, C.; Manni, M.; Thieberger, P. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Upgrade and Operation of the BNL Tandems for RHIC Injection

Description: One of the tandem Van de Graaffs (MP7) at Brookhaven National Laboratory (BNL) has successfully completed its first year as an injector for the Relativistic Heavy Ion Collider (RHIC). The tandem provided pulsed beam of Au{sup +32} (peak intensity 80 e{mu}A, 500{micro}s) with only 17 hours of downtime during a 5 month run. Improvements are being made to further increase the intensity of the gold beam for the experimental run starting in 2001. A second tandem Van de Graaff (MP6) has been extensiv… more
Date: June 18, 2001
Creator: Steski, D. B.; Alessi, J.; Benjamin, J.; Carlson, C.; Manni, M.; Thieberger, P. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Borehole Summary Report for Core Hole C4998 – Waste Treatment Plant Seismic Boreholes Project

Description: Seismic borehole C4998 was cored through the upper portion of the Columbia River Basalt Group and Ellensburg Formation to provide detailed lithologic information and intact rock samples that represent the geology at the Waste Treatment Plant. This report describes the drilling of borehole C4998 and documents the geologic data collected during the drilling of the cored portion of the borehole.
Date: December 15, 2006
Creator: Barnett, D. BRENT & Garcia, Benjamin J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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"A Very Fine Piece of Writing": Parnell and the Joycean Text, 1905-1922

Description: Charles Stewart Parnell was James Joyce's most significant political influence to a degree that has yet to be fully acknowledged or explored. This thesis proposes a "theory of Parnell" in Joyce's works up to the end of Ulysses, arguing that close attention to Parnell's evolution points to a significant shift in the evolution of Joyce's literary forms. In Joyce's juvenilia, political writings, and early fiction, Parnell always appears with a heroic, even Messianic, cast, which the most significa… more
Date: May 2019
Creator: Smith, Benjamin J.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Fundamental Kinetics of Supercritical Coal Liquefaction: Effect of Catalysts and Hydrogen-Donor Solvents

Description: This report outlines a distribution kinetics approach to macromolecular reactions that has been applied to several processes. The objective was to develop an understanding of high-temperature, dense-phase thermolytic processes for complex macromolecular systems, such as coal. Experiments and theory are described for chemical models that simulate depolymerization of coal. The approach has been exceptionally successful for the model macromolecular systems. Development of a novel chemical reaction… more
Date: August 1, 1998
Creator: McCoy, Benjamin J. & Smith, J. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Operational Experience With Heavy Ions at BNL: An Update

Description: Since May 1986, the heavy ion transfer line (HITL) which joins the Tandem Van de Graaff facility and the AGS at Brookhaven National Laboratory has permitted the acceleration of heavy ions (up to sulfur) to 14.5 GeV/nucleon. The Tandem, operating with a pulsed ion source, supplies a fully stripped ion beam at about 7 MeV/nucleon which is transported via the HITL to the AGS. A low frequency rf system accelerates the beam in the AGS to about 200 MeV/nucleon and the high frequency rf system, normal… more
Date: January 1, 1989
Creator: Cardner, C.; Reece, R. K.; Ahrens, L. A.; Barton, D. S.; Beavis, D.; Benjamin, J. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Operational Experience With Light Ions at BNL

Description: A new transfer line has joined the Tandem Van de Graaff facility and the AGS at Brookhaven National Laboratory, permitting the acceleration of light ions (up to sulfur) to 14.5 GeV/nucleon. The Tandem, operating with a pulsed ion source, supplies a fully stripped ion beam at about 7 MeV/nucleon to the AGS. A new low frequency rf system accelerates the beam in the AGS to about 200 MeV/nucleon. The previously existing rf system completes the cycle. High energy ion beams are delivered using standa… more
Date: March 1, 1987
Creator: Reece, R. K.; Ahrens, L. A.; Barton, D. S.; Beavis, D.; Benjamin, J.; Foelsche, H. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Status Report on the ORNL 25 URC Accelerator

Description: The Oak Ridge tandem accelerator operated quite successfully during the past year. An oxygen beam was accelerated through the machine with a terminal potential of 22.5 MV and scheduled experiments were run at voltages up to 20.3 MV. The replacement of about 75% of the accelerator tubes was completed in October 1983, and is probably the major contributor to higher voltage operation. From January to October 1984, the accelerator operated for 3172 hours with beam while maintenance has consumed 112… more
Date: October 1, 1984
Creator: Ziegler, N. F.; Richardson, E. G.; Mann, J. E.; Juras, R. C.; Jones, C. M.; Haynes, D. L. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Toward a Rationale for Music Education in the Public School Context Framed with both Progressive and Essentialist Considerations: Operationalizing the Ideas of William Chandler Bagley

Description: In music education, aesthetic education and praxial music education serve as two major, guiding philosophical frameworks, yet supporters of each often conflict with one another. Furthermore, both are slightly problematic with respect to the specific context of the public school. Each framework is primarily music-based, however, music education has existed in the wider context of general education since the 1830s. Given the recent core-status designation for music education, as part of all fi… more
Date: May 2016
Creator: Price, Benjamin J., 1980-
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Resilience Among High Achievers In An Instrumental Music Program

Description: Positive adaptations experienced in spite of challenges faced is known as resilience. Comparatively little research has focused on in-depth descriptions regarding how resilience is manifested in children. The purpose of this study was to add to previous research in the identification of characteristics of resilience in students, and to determine the extent to which band membership has aided their resilience in other domains. Data was collected from a random sample of band seniors from the cl… more
Date: December 2011
Creator: Price, Benjamin J.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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Potential microbial impact on transuranic wastes under conditions expected in the Waste Isolation Pilot Plant (WIPP). Annual report, October 1, 1978-September 30, 1979

Description: Previous results were confirmed showing elevated frequencies of radiation-resistant bacteria in microorganisms isolated from shallow transuranic (TRU) burial soil that exhibits nanocurie levels of beta and gamma radioactivity. Research to determine whether plutonium could be methylated by the microbially produced methyl donor, methylcobalamine, was terminated when literature and consulting radiochemists confirmed that other alkylated transuranic elements are extremely short-lived in the presenc… more
Date: July 1, 1980
Creator: Barnhart, Benjamin J.; Campbell, Evelyn W.; Martinez, Eleuterio; Caldwell, Douglas E. & Hallett, Richard
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Summary Report on the Oak Ridge 25 Mv Tandem Accelerator

Description: Status of the ORNL 25 MV tandem accelerator is given. Topics include: installation; voltage test details; ORNL development activities including stripper foil studies, air-SF/sub 6/ separation, CAMAC buncher controller, and ion source development. (GHT)
Date: January 1, 1979
Creator: Alton, G. D.; Bair, J. K.; Benjamin, J. A.; Biggerstaff, J. A.; Jones, C. M.; Juras, R. C. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Organic Coolant Reclamation Annual Report : December 15, 1958 through December 14, 1959

Description: Potential methods have been examined for the reclamation of high boiler arising from the degradation of polyphenol materials in use as reactor coolants and moderators. To define the chemistry of potential reclamation processes, model polyphenol compounds were used. These include biphenyl, o, m and p-terphenyl, and p-quaterphenyl. Emphasis has been on hydrocracking, redistribution (reaction with benzene), and partial reduction. Preliminary study has been made of the application these techniques … more
Date: December 23, 1959
Creator: Wineman, Robert J.; Adams, J. S.; Gudzinowicz, Benjamin J. & Scola, D. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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STATUS AND RECENT PERFORMANCE OF THE ACCELERATORS THAT SERVE AS GOLD INJECTOR FOR RHIC.

Description: The recent successful commissioning and operation [1] of the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) requires the injection of gold ions of specified energy and intensity with longitudinal and transverse emittances small enough to meet the luminosity requirements of the collider. Ion beams with the desired characteristics are provided by a series of three accelerators, the Tandem, Booster and AGS. The current status and recent performance of these accelera… more
Date: June 18, 2001
Creator: Ahrens, L.; Alessi, J.; Van Asselt, W.; Benjamin, J.; Blaskiewicz, M.; Brennan, J. M. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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On-Chip Real-Time Single-Copy Polymerase Chain Reaction in Picoliter Droplets

Description: The first lab-on-chip system for picoliter droplet generation and PCR amplification with real-time fluorescence detection has performed PCR in isolated droplets at volumes 10{sup 6} smaller than commercial real-time PCR systems. The system utilized a shearing T-junction in a silicon device to generate a stream of monodisperse picoliter droplets that were isolated from the microfluidic channel walls and each other by the oil phase carrier. An off-chip valving system stopped the droplets on-chip,… more
Date: April 20, 2007
Creator: Beer, N. Reginald; Hindson, Benjamin J.; Wheeler, Elizabeth K.; Hall, Sara B.; Rose, Klint A.; Kennedy, Ian M. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Cognitive Impairment Among World Trade Center Responders: Long-Term Implications of Re-Experiencing the 9/11 Terrorist Attacks

Description: This article examines the association between World Trade Center (WTC)-related post-traumatic stress disorder and cognitive impairment in WTC responders.
Date: August 18, 2016
Creator: Clouston, Sean A.P.; Kotov, Roman; Pietrzak, Robert H.; Luft, Benjamin J.; Gonzalez, Adam; Richards, Marcus et al.
Item Type: Refine your search to only Article
Partner: UNT College of Arts and Sciences
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