Hall B Feature of the Week Archive
- February 1, 2016 - Slide
highlighting the significant progress made recently on the torus magnet. The magnet is now supported on its own legs and the
spit assembly has been removed.
- January 4, 2016 - Slide
highlighting the significant progress made over the last month with preparing the MM and FT-Cal systems at JLab, showing the
response for incident cosmic ray tracks.
- December 14, 2015 - Slide
highlighting teams from CEA Saclay and INFN that have come to JLab to work on the Micro-Megas tracker (MVT) and the Forward
Tagger (FT) systems.
- November 23, 2015 - Slide
highlighting the progress on the barrel micro-Megas detector that is now being shipped to JLab for testing.
- November 9, 2015 - Slide
highlighting the progress on the assembly of the torus in Hall B over the past year.
- August 31, 2015 - Slide
highlighting the successful integration of R1-R4 of the SVT and the start of cosmic rays studies with the complete SVT system.
- August 10, 2015 - Slide
highlighting a "Science Highlight" on the DOE Office of Science web page from our recent CLAS paper probing flavor dependence
of quark pair creation in exclusive reactions (M.D. Mestayer et al, PRL 113, 152004 (2014)).
- July 27, 2015 - Slide
highlighting the mounting of the inner three regions of the SVT onto its associated support tube.
- June 29, 2015 - Slide
highlighting the installation of the sixth and final torus coil in Hall B.
- June 15, 2015 - Slide
highlighting the upcoming close-out of the FNAL torus construction project. The photograph show the JLab Hall B torus team
gathered around the torus in Hall B.
- June 8, 2015 - Slide
highlighting the successful completion of the SVT assembly of R1 - R3 and R4.
- May 18, 2015 - Slide
highlighting the successful completion of the spring Heavy Photon Search (HPS) completion.
- May 11, 2015 - Slide
highlighting the completed R1, R2, and R3 SVT assembly and the work crew.
- May 4, 2015 - Slide
highlighting the delivery of the sixth production torus coil from Fermilab.
- April 27, 2015 - Slide
highlighting the mirror and PMT alignment work in progress for the HTCC.
- April 20, 2015 - Slide
highlighting the installation of the second torus coil on the installation spit in Hall B.
- April 13, 2015 - Slide
highlighting workers preparing the first torus magnet recooler.
- April 6, 2015 - Slide
highlighting the completion of the HFCB (high flex circuit boards) for the SVT detector.
- March 23, 2015 - Slide
highlighting the new Drift Chamber Readout Board (DCRB). The 14 first article boards have been tested (enough for a full crate
- one DC sector). The remainder of the boards (totaling roughly 250) will be delivered by the end of the year.
- March 16, 2015 - Photograph
of the HTCC mirror assembly installed in the Containment Vessel.
- March 9, 2015 - Photograph
of the first torus coil installed in Hall B on the installation spit.
- March 2, 2015 - Photograph
of the participants at the recent CLAS12 European Workshop in Catania, Italy.
- February 16, 2015 - Slide
showing the fully completed and tested Central Neutron Detector for CLAS12 in its solenoid mockup.
- February 9, 2015 - Slide
showing the first production torus coil delivery to Hall B last week.
- February 2, 2015 - Slide
highlighting the layout of the JLab Torus Cryostat Factory and the different stations into which the three production coils
- January 26, 2015 - Slide
highlighting the important milestone achieved for module completion for the assembly of SVT R1, R2, R3, and R4 at Fermilab.
- December 22, 2014 - Slide
highlighting the delivery of the second production torus coil to JLab.
- December 15, 2014 - Slide
highlighting single pass beam to the HPS experiment on a 5 micron Platinum target and elastic events in the HPS calorimeter.
- December 8, 2014 - Slide
highlighting the first beam delivery in the 12 GeV era through Hall B to the Faraday cup and beam dump in the downstream alcove.
- December 1, 2014 - Photograph
of the Central Neutron Detector (CND) team at Orsay headed by Silvia Niccolai. In the background of the photograph are the production
CND modules being installed in a mock-up of the installation fixture and solenoid.
- November 17, 2014 - Photograph
of the first torus production coil delivered to JLab on November 15.
- November 10, 2014:
- Noting the first beam delivery to Hall B
in 30 months during the recent commissioning of the upstream beamline.
- Highlight of the significant development work related to the simulation of the CLAS12 detector. The
GSIM code suite is a GEANT-4 model of
the CLAS12 detector developed by Maurizio Ungaro.
- November 3, 2014 - Photograph
of the first torus production coil just before its second epoxy impregnation procedure.
- October 27, 2014 - Overview
of a new CLAS Collaboration paper that will be published in the journal Science on Momentum Sharing in Imbalanced Fermi
- October 20, 2014:
- A new CLAS paper in the
journal Physical Review Letters has been selected as an Editor's choice on strangeness suppression in exclusive reactions.
- Photograph showing the steel
work for the assembly spit for the new CLAS12 torus magnet.
- October 13, 2014 - Photograph
showing the completed full mirror assembly for the HTCC.
- October 6, 2014 - Photograph
showing the HPS calorimeter installed in the analyzing magnet in the HPS beamline.
- September 29, 2014 - Photograph
showing the completed solenoid prototype coil at the magnet vendor.
- September 8, 2014 - Photograph
showing the completed Region 2 layer of the SVT detector.
- September 1, 2014 - Photograph
showing workers preparing the magnet factory at JLab for a torus coil assembly.
- August 25, 2014 - Photograph
of a dry fit of the completed HTCC half-sector mirror assemblies on the large vacuum table in the HTCC cleanroom.
- August 18, 2014 - Photograph
of the work to prepare the rails that were installed on the Subway level in Hall B to support the superconducting solenoid magnet.
- August 4, 2014 - Photograph of
the newly delivered furniture for the Hall B Counting House.
- July 28, 2014 - Photograph of
the first half-sector mirror assemblies for the HTCC detector.
- July 21, 2014 - Photograph of
the test stand for evaluation of the multi-anode PMTs for the new RICH detector.
- July 14, 2014 - Photograph of
of the ongoing assembly of the inner layer of the SVT detector.
- July 7, 2014 - Photograph of a
small-scale test coil prototype for the CLAS12 torus after a successful epoxy impregration procedure. The top part of the picture shows
a portion of the test coil and the bottom part of the picture shows a cross sectional view of the coil after it was cut for inspection.
- June 30, 2014 - Photograph of the
HPS calorimeter case viewed from the top. The first installed PbWO crystal is shown.
- June 23, 2014 - Photograph from the
JLab Torus Cryostat Factory showing the completion of the first vacuum jacket pre-assembly in the Test Lab.
- June 16, 2014 - Photograph of
the Faraday Cup located deep along the downstream alcove in Hall B.
- June 9, 2014 - Photograph of
the recently completed chicane magnet installation for the HPS experiment in the downstream alcove of Hall B.
- May 26, 2014 - Overview of the results
of the review for the new Drift Chamber Readout Board (DCRB).
- May 19, 2014 - Photograph showing a montage
of photographs from Volker Burkert from this past weekend's JLab Open House.
- May 12, 2014 - Photograph
of the R1 SVT mechnical mockup.
- May 5, 2014 - A new CLAS paper
on the recent BONUS experiment results for the neutron structure function has been selected by PRC as an editor's suggestion.
The published paper is now available.
- April 28, 2014 - Photograph
of the platform installed in Hall B in front of the downstream alcove to be used during installation of the equipment for the Heavy Photon
Search (HPS) experiment.
- April 21, 2014 - Photograph
of one of the production modules of 2x3 scintillation counters for the new CLAS12 Central Neutron Detector being constructed at Orsay.
- April 14, 2014 - Featured write-up in the "DOE Pulse"
newsletter of science and technology highlights on the recent CLAS paper on the determination of the spin and parity of the Λ(1405).
- April 7, 2014 - Photograph of the
final two Region 1 chambers delivered to JLab from Idaho State University.
- March 31, 2014 - Photograph showing
Hall B technician Steve Christo working on preparations of the containment vessel for the CLAS12 High Threshold Cherenkov Detector.