13 research outputs found
The Status of MSSM Higgs Boson Searches at LEP
The most recently available results from searches conducted by the four LEP
experiments at 189 GeV center-of-mass energy for Higgs bosons of the Minimal
Supersymmetric Standard Model (MSSM) are presented. No evidence for a signal
has been observed, and the null result is used by the experiments, both
individually and collectively, to exclude regions of the MSSM parameter space
and to set lower limits on Higgs boson masses at 95% confidence level in
constrained MSSM scenarios.Comment: 7 pages, 6 figures, REVTeX, to appear in the proceedings of the DPF
'99 conference, 5-9 January 1999, Los Angeles, C
Measurement of the radiation field surrounding the Collider Detector at Fermilab
We present here the first direct and detailed measurements of the spatial
distribution of the ionizing radiation surrounding a hadron collider
experiment. Using data from two different exposures we measure the effect of
additional shielding on the radiation field around the Collider Detector at
Fermilab (CDF). Employing a simple model we parameterize the ionizing radiation
field surrounding the detector.Comment: PDF document, 5 pages, including 10 encapsulated postscript figures:
Proceedings for the IEEE/NSS-MIC 2003 Conference, Portland, Oregon, October
19-25, 200
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Performance of 3.9 GHz SRF cavities at Fermilab's ILCTA_MDB nhorizontal test stand
Fermilab is building a cryomodule containing four 3.9 GHz superconducting radio frequency (SRF) cavities for the Free electron LASer in Hamburg (FLASH) facility at the Deutsches Elektronen-SYnchrotron (DESY) laboratory. Before assembling the cavities into the cryomodule, each individual cavity is tested at Fermilab's Horizontal Test Stand (HTS). The HTS provides the capability to test fully-dressed SRF cavities at 1.8 K with high-power pulsed RF in order to verify that the cavities achieve performance requirements under these conditions. The performance at the HTS of the 3.9 GHz cavities built for FLASH is presented here
Performance of 3.9 GHz SRF Cavities at Fermilab’s ILCTA_MDB
Abstract-Fermilab is building a cryomodule containing four 3.9 GHz superconducting radio frequency (SRF) cavities for the Free electron LASer in Hamburg (FLASH) facility at the Deutsches Elektronen-SYnchrotron (DESY) laboratory. Before assembling the cavities into the cryomodule, each individual cavity is tested at Fermilab's Horizontal Test Stand (HTS). The HTS provides the capability to test fully-dressed SRF cavities at 1.8 K with high-power pulsed RF in order to verify that the cavities achieve performance requirements under these conditions. The performance at the HTS of the 3.9 GHz cavities built for FLASH is presented here