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CMS is 21 metres long, 15 m in diameter, and weighs about 14,000 tonnes. [1] Over 4,000 people, representing 206 scientific institutes and 47 countries, form the CMS collaboration who built and now operate the detector. [2] It is located in a cavern at Cessy in France, just across the border from Geneva.
The LPC offers a vibrant community of CMS scientists from the US and plays a major role in the CMS detector commissioning, and in the design and development of the detector upgrade. [47] Fermilab is the host laboratory for USCMS, [48] which includes researchers from 50 U.S. universities including 715 students. Fermilab hosts the largest CMS ...
The HLT uses limited regions of the detector, so-called Regions of Interest (RoI), to be reconstructed with the full detector granularity, including tracking, and allows matching of energy deposits to tracks. The HLT rejection factor is 100: after this step, the rate of events is reduced from 100 to 1 kHz. The remaining data, corresponding to ...
The detector aims at measurement of total cross section, elastic scattering, and diffraction processes. The primary instrument of the detector is referred to as a Roman pot . In December 2020, the D0 and TOTEM Collaborations made public the odderon discovery based on a purely data driven approach in a CERN and Fermilab approved preprint that ...
Roman pots were first used in the TOTEM experiment [7] and later by the ATLAS [8] and the CMS [9] collaborations at the LHC. The figure below shows a detector used on the beamline near IP5 (interaction point 5), the location of the CMS detector. [10] Three of these are used per Roman pot unit. Each is shoved into place to within 10 microns of ...
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Both the CMS and ATLAS detectors have also shown intensity peaks in the 124–125 GeV range, consistent with either background noise or the observation of the Higgs boson. [ 148 ] On 22 December 2011, it was reported that a new composite particle had been observed, the χ b (3P) bottomonium state.
In the ear (ITE) hearing aids typically come in three forms: low profile (either full or half shell), in the canal (ITC) or completely in the canal (CIC). Then there’s the Phonak Lyric.