Linear Collider R&D Interests of Groups With
LCRD (DOE) and/or UCLC (NSF)
Orientations

This page contains a (partial) compilation of Linear Collider R&D interests for U.S. groups and is intended to span both LCRD (DOE) and UCLC (NSF) efforts.




To help organizers of the various research and development efforts collect information as quickly as possible, the following table includes information about groups focusing on accelerator activities through the R&D groups with focii at Fermilab, SLAC, and Cornell. The table also includes information about detector activities through Fermilab and SLAC, and possibly Cornell: exactly which projects are listed is still being discussed.

The R&D areas listed can be very tentative: those of us exploring unfamiliar areas will need time to better understand the technical issues before we are able to chose intelligently from among many interesting possiblities.

The format used to present information is not particularly sophisticated at the present time. Centered, boldface text at the beginning of each institution's entry lists summary information. This is followed by a list of participating personnel and a few sentences describing the group's set of interests:

Institution
  R&D group affiliations  
Accelerator: R&D topics (one per line)
Detector: R&D topics (one per line)

Person 1, Person 2, ...Person N

  • Brief description of an R&D topic under consideration

  • Brief description of another R&D topic under consideration

The "R&D group affiliations" entry is meant to show which of the three R&D groups (LCRD-FNAL, LCRD-SLAC, UCLC) the institution seems likely to be working with. As one would expect, many universities have ties to more than one R&D group.

When researchers have asked that their collaborative project be listed in the table with a single entry (instead of one entry per participating institution), the format is similar. These entries appear after the listed-by-institution entries.

Asterisks denote the contact persons for particular projects in each group. Please note that the contact person does not necessarily function as an institution's spokesperson. Groups which have tended to participate in more than one independent project may have a tradition of individual spokespersons for each of their research efforts.

The information linking groups to projects is important for the U.S. Working Group leaders. Please email us descriptions, updates, corrections,... about your group's interests as they evolve. Any amount of detail will be useful, though a few sentences (or much more!) could be especially helpful.

R&D interests, listed by participating institution

R&D projects, listed by project description

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Projects listed by participating institution

Argonne National Laboratory
  LCRD (FNAL)  
Detector: calorimetry
Detector: simulation
Accelerator: high brightness electron source

Sergei Chekanov, Gary Drake, Wei Gai, Harald Johnstad*, K.-J. Kim*, Steve Kuhlmann, J. Lewellen, Stephen R.Magill, Brian Musgrave, Jose Repond*, Robert Stanek, Rik Yoshida

  • from Josť Repond: energy-flow calorimetry [Chekanov, Drake, Kuhlmann, R.Magill, Musgrave, Repond, Stanek, Yoshida]. Click here for more detailed information. Briefly:
    • algorithms and accurate simulation
    • absorber thckness, etc. optimization
    • analog vs. digital readout
    • possible use of RPCs as active medium

  • from Harald Johnstad: Detector systems, simulations, test beam facility

  • from Kwang-Je Kim: High brightness electron injector. We [Wei Gai, K.-J. Kim, J. Lewellen] will study the beam dynamics of high brightness electron beams:
    1. production
    2. Transport
    3. Flat beam generation
    4. Compression

    We will carryout theory and simulation, and a coordinated beam experiments using the L-band injector at Argonne Wakefield Accelerator(AWA) and the S-band injector at the Advanced Photon Source (APS).

University of California, Berkeley and/or Lawrence Berkeley National Laboratory
  LCRD (SLAC)  
Accelerator: tunnel robot
Accelerator: new electronics standard
Accelerator: bunch length measurement
Accelerator: control systems
Accelerator: beam position monitors

Gerry Abrams*, Lawrence Doolittle*, Young-Kee Kim*, Yury Kolomensky

  • From Gerry Abrams:
    accelerator control system issues:
    • architecture and requirements
    • assessment of daq, communications, computing capabilities which may be available, including field busses, LANs, back-planes, real-time DSPs/cpus, ...
    • analysis of interactions among/between subsystems:
      • operator and the top-level control;
      • detector and top-level control;
      • specialized subsystem (e.g. a feedback loop) and top-level control
      • integration of large subsystem (e.g. damping rings) into overall control
      • integration of hardware protection and control


  • From Larry Doolittle:
    The key item I see that ties many others together is ID 79, "robot to replace electronic modules in tunnel"....

    Regarding ID 19, "new electronics standard - VME replacement".... This subject interconnects with ID 79 (robot), field wiring connector selection, most of the electronics initiatives (like 3, 18, 22, 24, 25, 26, 28, 44, 46, 53, and 84), and the phase/frequency reference distribution "cable plant".

    I have ideas for ID 33 "bunch length monitor via spectral measurement", which is in fact related to ID 65 "Optical Diffraction Radiation".

    Click here for more detailed information.

  • From Young-Kee Kim: We [Kim, Kolomensky] are interested in RF BPM (tilt meter)
Boston University
  LCRD (FNAL)  
Detector: calorimetry

John Butler, Ulrich Heintz*, Meenakshi Narain

  • calorimetry
University of California, Los Angeles
  LCRD (FNAL)  
Accelerator: beam monitors
Accelerator: permanent magnets
Accelerator: undulators
Accelerator: gun

Kip Bishofberger, David Cline, Yasuo Fukui*, James Rosenzweig*, Feng Zhou

  • from Yasuo Fukui: We [Bishofberger, Cline, Fukui, Zhou] are currently interested in the R&D of the Optical Diffractive Radiation beam monitor in the accelerator R&D.

  • from James Rosenzweig:
    • I have instructed our guys to set up Nick with UCLA(/FNAL) PARMELA, the currently maintained version at UCLA. You should have it soon.
    • I am interested in getting involved in perhaps initiatives for the NLC:
      a) permanent magnet quadrupole work.
      b) undulator design for positron sourcery.
      c) polarized/asymmetric emittance rf gun.
University of Chicago/ANL
  UCLC (Cornell)  
Accelerator: polarized positron source

Kwang-Je Kim

  • Helical undulator for polarized positron source.
Colorado State University
  LCRD (SLAC)  
Accelerator: vibration
Detector: neutrons

Abner Soffer, Dave Warner

  • Abner Soffer: vibration stabilization and neutron detector (for IR background)
Cornell University
  UCLC (Cornell)  
Accelerator: lots of subjects!

Gerry Dugan, Lawrence Gibbons, Don Hartill, Brian Heltsley, Alexander Mikhailichenko, Hasan Padamsee, Mark Palmer, Ritchie Patterson, Dave Rubin, Dave Sagan

  • Gerry Dugan (with Cornell accelerator group)
    • 1. Review of TESLA damping ring design and investigation of fast kicker options;
    • 2. Superferric options for NLC and/or TESLA damping ring wigglers.


  • Don Hartill (with Cornell accelerator group)
    • 1. Beam size monitors: optical interferometer, laser wire, optical transition radiation (with Jesse Ernst, Albany; K. Honscheid, OSU; S. Csorna, Vanderbilt);
    • 2. Beam position monitors
    • 3. Global Accelerator Network demonstration Cornell


  • Alexander Mikhailichenko: R&D for a polarized positron source using a helical undulator.

  • Hasan Padamsee (with Cornell superconducting RF group)
    • 1. Studies of field emission and DC and RF breakdown on Nb and Cu surfaces
    • 2. Studies of the sources of high-field Q-slope and quench field in Nb cavities
    • 3. Studies of pulsed operation of Nb cavities at high gradients
    • 4. Improvements in high-gradient Nb cavity fabrication
    • 5. Study of methods to improve Q and the consequences for linear collider parameter optimization
    • 6. Studies of Nb3Sn and MgB2 as superconducting cavity materials
    • 7. TESLA cavity design studies to improve efficiency;
    • 8. Investigation of use of 9-cell TESLA HOM coupler to obtain beam position information
    • 9. Studies of TESLA cavity tuner design (warm motors)
    • 10. Development of US vendors for TESLA 9-cell cavities


  • Mark Palmer: damping ring studies such as putting wigglers in CESRc; beam size measurements; simulations; helical undulators

  • Ritchie Patterson, Lawrence Gibbons, Dave Rubin, Brian Heltsley (with Cornell accelerator group)
    • 1. Simulations of beam halo from damping ring to IP
    • 2. Simulations of spin transport (source to damping rings, damping rings to IP)
    • 3. Simulations of main beam transport (source to damping rings, damping rings to IP).


  • Joe Rogers (with Cornell accelerator group). Damping ring experiments with CESR-c:
    • wiggler-related dynamic aperture
    • intrabeam scattering; space charge effects
    • electron cloud effects
    • ion effects
    • computational beam dynamics for damping rings


Fairfield University
  LCRD (FNAL)  
Detector: calorimetry

David Winn*

  • David Winn: cerenkov compensation calorimetry (see University of Iowa entry for more information).
Fermi National Accelerator Laboratory
  LCRD (FNAL)  
Detector: vertex detector
Detector: muon system
Accelerator: lots of things!

Marcela Carena, Don Edwards, Helen Edwards, V. Daniel Elvira, Jim Fast, David Finley, Gene Fisk*, Steve Holmes, Aurelio Juste, Robert Kephart, Viatchelav Klioukhine, Andreas Kronfeld, Ron Lipton, Ralph Pasquinelli, Slawomir Tkaczyk, James Volk, William Wester

  • Gene Fisk: scintillator-based muon system

  • William Wester: LC Vertex Detector R&D. Click here for more detailed information; briefly, though:
    • thinned structures
    • radiation hardness studies
    • faster readout


  • Helen Edwards: polarized photo injector
University of Illinois at Chicago
  LCRD (FNAL)  
Detector: calorimetry

Mark Adams, Cecilia Gerber, Nikos Varelas*

  • Nikos Varelas: calorimetry
University of Illinois at Urbana-Champaign
  LCRD (FNAL)   UCLC (Cornell)  
Detector: calorimetry
Detector: test beam
Accelerator: kickers
Accelerator: control and feedback systems
Accelerator: low-level rf: 500 MHz ADC/DAC
Accelerator: acoustic breakdown sensors
Accelerator: new electronics standard; robots

James Eckstein, George Gollin*, Michael Haney, Inga Karliner, Kevin Pitts, Mats Selen, Jon Thaler

  • Calorimetry

  • creation of a sophisticated test beam facility

  • one(or more) of a number of accelerator physics topics including ultrasound sensors to localize cavity breakdown; fast and/or stable kicker systems; low-level RF 500 MHz ADC and/or DAC systems; accelerator control/feedback systems and algorithms;

  • a combination of "the list" ID-19 and ID-79 ("new electronics standard - VME replacement" and "robot to replace electronic modules in tunnel") to the extent that they are connected, i.e. developing an electronics (packaging) standard that can be machine-serviceable.

  • Flowmeters!
Indiana University
  LCRD (FNAL)  
Detector: fiber tracker
Accelerator: unclear, but interested

Rick Van Kooten*

  • Detector R&D:

    In collaboration with Mike Hildreth at Notre Dame, investigate bunch id timing using a intermediate scintillating fiber tracker. With the bunch structure of the NLC beams giving bunches only 1.4 nsec apart, simulation studies already performed show significant impact on Higgs events with missing energy when 2-photon events from prior or subsequent bunches are overlaid on top of the event of interest. A system with sub-nsec timing could identify which bunch tracks came from.

    Specifically, two or three layers of scintillating fibers would be physically mounted directly on the inner radius carbon fiber structure of a TPC. Readout using visible light photon counters can potentially result in a system timing resolution with the needed resolution. Would also investigate the utility of having fibers mounted on the outer radius of a TPC.

    A ~400 channel system (3 layers of fibers) in conjunction with refurbished prototype/reject ATLAS transition radiation tracking modules (with carbon fiber shells) will be used in cosmic ray tests with differing scintillating fiber formulations and latest VLPC's from Rockwell to confirm needed timing and position resolutions.

    First year cost estimate (parts, equipment only; no travel or personnel included): $110k (budget in web page to follow).

    Follow up studies could include tests of embedding such fibers in to calorimeter detector systems to also allow timing of shower clusters from neutral particles. This would be done collaboratively with groups investigating calorimeter systems.

    Click here for more information.

  • Accelerator R&D:

    Still interested in university-based accelerator R&D. There is an enthusiastic accelerator physics faculty here, S.Y. Lee, who uses the Indiana Univ. cyclotron for many beam studies. He is also a very active user at sites such as FNAL, BNL, and CERN. However, we have not had the time to decide on a project. The above detector R&D is certain for submitting as a proposal, and at least for this first round, probably all we can handle at least this first year but we would like to expand in the future.

University of Iowa
  LCRD (FNAL)  
Detector: calorimetry
Accelerator: beam polarization

Yasar Onel*

  • from Yasar Onel: cerenkov compensation calorimetry. Click here for more information.

    Some of us are also interested in beam polarization measurements and polarimeters for LC.

Iowa State University
  LCRD (FNAL)  
Accelerator: luminosity measurement
Accelerator: beam diagnsotics

Oleksiy Atramentov, Jim Cochran, John Hauptman*, Eli Rosenberg

  • Jon Hautpman: We are planning to work on the bunch-to-bunch lum measurement and have talked to Tom Markiewicz about this. (Oleksiy Atramentov will report on "Explicitly Radiation Hard Fast Gas Cerenkov Calorimeter" at UCSC meeting)

  • Eli Rosenberg: We have previously expressed an interest in working with the accelerator people in developing beam diagnostics as a first round project. This couples with resources here at Iowa State.
University of Kansas
  LCRD (FNAL)   UCLC (Cornell)  
Detector: calorimetry

Philip Baringer, Alice Bean, Dave Besson, Graham Wilson*

  • Graham Wilson: We're currently planning on doing work on the evaluation of the electro-magnetic calorimeter design. In a first stage this is likely to be simulation driven - looking at some of the trade-offs in granularity, sampling and radius. I have a hunch that the best (and affordable) approach for "energy-flow" electromagnetic calorimetry may be a hybrid design with Tungsten absorber and both Si-pad and scintillator readout. Higher sampling fraction, lower cost and timing potential of scintillator are some of the advantages, however how to ensure a successful integration of a "hybrid" design is not so clear.

    I think there's quite a lot of room for synergy with the HCAL scintillator efforts, although the requirements for ECAL are much more demanding.

    This activity would naturally evolve towards prototype testing and test-beam work.

Massachusetts Institute of Technology
  LCRD (FNAL)   LCRD (SLAC)  
Accelerator: damping rings
Accelerator: backscattered photon beam
Accelerator: beam monitoring
Accelerator: high-gradient warm copper structures

Ulrich Becker*, Sekazi Mtingwa, Richard Temkin, Richard Yamamoto

  • Sekazi Mtingwa (MIT/North Carolina A&T):
    • Damping ring studies at ATF (intrabeam scattering, electron cloud, ion instabilities, injection efficiency and transients, beam-radiation interactions)
    • Compton backscatter on spent beams for photon physics


  • Dick Yamamoto: beam monitoring

  • Richard Temkin:
    Statement of Interest: Proposed MIT PSFC R&D for LC

    The MIT Plasma Science and Fusion Center is interested in joining a consortium to pursue research in support of a TeV Linear Collider (LC). Our interests are in understanding the physics and engineering of high gradient structures and transmission lines based on room temperature copper cavities.

    A serious problem in the development of a room temperature copper structure for the proposed NLC / JLC is understanding the highest possible accelerating gradient at which such structures may be safely operated. A great deal of research has been conducted at frequencies in the 2.856 to 11.4 GHz range to understand this problem. Much of that work is empirical and an understanding of breakdown from a fundamental or microscopic point of view is still lacking. MIT PSFC proposes to undertake theoretical and experimental research on the problem of breakdown in copper cavities and structures. Since this is in part a plasma physics problem, our strength in plasma phenomena should prove very helpful. MIT PSFC has available extensive equipment at 17.1 GHz for application to the experimental portion of the research, including a 25 MW klystron and a 0.5 m, 25 MeV electron accelerator system. We may also propose to contribute new ideas for transmission lines, distribution systems, delay lines, switches, etc. for the NLC system.

    Richard Temkin, MIT PSFC, June 14, 2002
    Phone: 1-617-253-5528
    Email: temkin@psfc.mit.edu
    http://www.psfc.mit.edu/wab/

University of Michigan
  LCRD (FNAL)  
Accelerator: beam sources
Accelerator: beam simulation

Dan Amidei*, David Gerdes, Keith Riles

  • Dan Amidei: modeling of beam sources; guns; polarized rf; comparison w/ data from A0

  • Dave Gerdes: I am most likely interested in accelerator topics, but am not sure yet what direction I'll pursue.
Michigan State University
  LCRD (FNAL)  
Accelerator: final focus
Accelerator: beam transport
Accelerator: spin trasnport
Accelerator: beam dynamics simulations

Martin Berz*, Joey Huston, Harry Weerts*

  • From Harry Weerts: probably accelerator-related topic(s) [Huston, Weerts]

  • From Martin Berz: At the present time, it seems that we can make contributions in the following areas; there may also be others.
    • Final focus nonlinear effects, aberrations, correction
    • Beam transport between source, damping rings, IP
    • Spin transport
    • General Beam Dynamics Simulations
University of Minnesota
  UCLC (Cornell)  
Accelerator: simulation
Accelerator: damping rings

Ron Polling

  • ...has a cpu farm used for Monte Carlo work which could be used for other simulations. Possible topic: simulation of beam transport (emphasis on damping rings)
University of Mississippi
  LCRD (FNAL)  
Accelerator: beam monitors
Accelerator: cavity surface physics
Accelerator: radiation hardness

Lucien Cremaldi*

  • laser wire beam size monitor

  • surface issues in structures: breakdowns, dark currents

  • beam halo monitors

  • radiation hardness of materials
Click here for more detailed information;
University of New Mexico
  LCRD (FNAL)  
Detector: muon detector??
Detector: vertex detector??

Michael Gold*

  • muon detector, vertex detector??
State University of New York, Albany
  UCLC (Cornell)  
Accelerator: beam size monitors

Jesse Ernst

  • Beam size monitors: optical interferometer, laser wire, optical transition radiation (with K. Honscheid, OSU; S. Csorna, Vanderbilt; D. Hartill, Cornell)

Northern Illinois University
  LCRD (FNAL)   UCLC (Cornell)  
Accelerator: photoinjector
Detector: calorimetry
Detector: muon system

Jerry Blazey*, Courtlandt Bohn, Dhiman Chakraborty, Michael Fortner, Dave Hedin, Arthur Maciel, Manuel Martin, Vishnu Zutshi

The group's interests include flat beam studies and beam diagnostics at the Fermilab/NICADD Photoinjector Laboratory, as well as other topics.
Northwestern University
  LCRD (FNAL)  
Accelerator: ground motion
Accelerator: gamma-gamma collider

Michael Schmitt, Michal Szleper, Gokhan Unel, Mayda Velasco*

  • Mayda Velasco: Ground motion studies at NUMI; gamma-gamma prototype at SLC
University of Notre Dame
  LCRD (FNAL)  
Accelerator: energy spectrometer
Detector: fiber tracker
Detector: calorimeter HCAL scintillator readout
Detector: muon system scintillator readout

B. Baumbaugh, M. Hildreth*, D. Karmgard, A. Kharchilava, R. Ruchti, J. Warchol, M. Wayne

  • Tracking: development of an intermediate scintillating fiber tracker with precise bunch timing information

  • Calorimetry: development of optimized scintillator/readout system for HCAL

  • Muon System: development of optimized scintillator/readout system for Muon

  • Machine-Detector Interface: Development of Energy Spectrometer prototype support/alignment/mover system
Click here for more information.
Ohio State University
  LCRD (FNAL)   UCLC (Cornell)  
Accelerator: GAN
Accelerator: low-level rf: 500 MHz ADC/DAC

K.K. Gan*, Klaus Honscheid, Richard Kass, Brian Winer

  • Klaus Honscheid:
    • Beam size monitors: optical interferometer, laser wire, optical transition radiation (with Jesse Ernst, Albany; D. Hartill, Cornell; S. Csorna, Vanderbilt)

    • Global Accelerator Network demonstration (with T. Wilksen, OSU)

  • K.K. Gan: low-level rf: 500 MHz ADC/DAC. Click here for more detailed information;
University of Oklahoma
  LCRD (FNAL)  
Detector: vertex detector

Brad Abbott, Phil Gutierrez, Pat Skubic, Mike Strauss*

  • From Mlke Strauss:
    OU has a long history of working with silicon detector for HEP applications. OU and Ohio State were the first two universities to apply silicon technology for HEP detectors back in 1984. We have been involved in silicon testing and development of hardware for CLEO, D0, and now working with developing and testing flex hybrid connectors for the ATLAS pixel detector. So one of our main areas of interest is in silicon hardware work. We are interested in doing pixel research for the CCD vertex detector, as well as possibly testing and development for the silicon central tracker.

    In addition to hardware, I wrote most of the tracking and pattern recognition software for the SLC CCD vertex detector. So we are interested in software development and Monte Carlo studies of silicon related tracking for both the CCD vertex detector option, as well as the silicon tracking option.

Purdue University
  LCRD (FNAL)   UCLC (Cornell)  
Detector: vertex detector
Detector: TPC readout
Accelerator: electron cloud effect

Daniela Bortoletto*, Ian Shipsey

  • Daniela and Ian: Development of thin silicon for the hybrid pixel vertex detectors or for silicon trackers. We have funding under the DoE ADR prosal to investigate thin silicon and are just beginning to get started.

  • Ian: MicroPattern Gas Detector (MPGD) readout for a TPC. We have many years experience working with MPGDs, especially GEMS and Micromegas. We have collaborated in the past with many of the European and Canadian groups who are working on the TESLA TPC readout. Our work for the LC will be a collaboration with Cornell. We will build a small protype TPC and read it out with a MPGD. Jun Miyamoto, a senior scientist with the MPGD group, will make a presentation at Santa Cruz. A project description is available.

  • Ian: Accelerator physics. The electron cloud effect. The physics of breakdown: fundamental limitations in accelerating gradients. Beam diagnostics.

Note that, for the TPC readout we are going to request funds through the NSF consortium in the first instance.

Stanford Linear Accelerator Center
  LCRD (SLAC)  
Detector: lots!
Accelerator: lots!

Marc Ross (SLAC) (and many others!)

  • Marc Ross: disrupted beam diagnostics

  • A note from Tom Himel:
    There is a lot of vibration work (both final doublet and linac girder) going on at SLAC. We presently are talking to CERN, DESY, and England about collaborating with us on the final doublet work. FNAL is planning to start work on the linac girder. These things are NOT going to be part of a proposal, but we should make sure people know about the efforts.
University of Texas at Arlington
  LCRD (FNAL)  
Detector: calorimetry

Andrew Brandt, Kaushik De, Shahnoor Habib, Venkat Kaushik, Jia Li, Mark Sosebee, Andy White*, Jae Yu

  • From Andy White:

    The UTA group is working on the development of digital hadron calorimetry for use with energy flow algorithms. Specific topics include:

    • Digital hadron calorimeter design using the Gas Electron Multiplier (GEM) approach.
    • GEM cell and module design
    • GEM prototype construction and testing
    • On-board electronics design for digital readout
    • Studies of particle fluxes and discharge rates in GEM cells
    • Development of simulation software including CAD to GEANT4 link
    • Use of simulation software to develop energy flow algorithm(s)
Tufts University
  LCRD (FNAL)  
Accelerator: beam monitors

William Oliver*, Krzysztof Sliwa

  • William Oliver: beam monitors
Vanderbilt University
  UCLC (Cornell)  
Accelerator: beam size monitors
Accelerator: electron source

C. Brau, Steven Csorna, B. Feng, B. Gabella

  • Beam size monitors: optical interferometer, laser wire, optical transition radiation (with Jesse Ernst, Albany; D. Hartill, Cornell; K. Honscheid, OSU)

  • Possible high brightness electron source studies with C. Brau, B. Feng, B. Gabella (Vanderbilt)
Wayne State University
  LCRD (FNAL)  
Detector: muon system

Paul Karchin*

  • From Paul Karchin: Scintillation Muon Detector R&D. Click here for more detailed information.
Yale University
  UCLC (Cornell)  
Accelerator: high gradient structures

Oleg Nezhevenko, Slava Yakovlev

  • High gradient breakdown and pulse heating limit experiments at 34.3 GHz.


R&D interests, listed by participating institution

R&D projects, listed by project description

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Back to UCLC (NSF) home page


Projects listed by research topic

Crystal Calorimetry R&D
  LCRD (SLAC)  
Detector: calorimetry

Xuedong Chai (University of Iowa), Usha Mallik* (University of Iowa), Jack Ritchie (University of Texas at Austin), Milind Purohit (University of South Carolina)

  • Crystal calorimetry


R&D interests, listed by participating institution

R&D projects, listed by project description

go to top of page

Back to LCRD (DOE) home page

Back to UCLC (NSF) home page