“…The generation of radiation with well-defined frequency and wavelength, and the ability to precisely determine these quantities, are of fundamental importance in physics and other natural sciences Monochromatic radiation enables both very accurate structure determinations and studies of the dynamics of living and non-living matter It is crucial for the realization of standards of time and length, for the determination of fundamental constants, and for many other aspects of basic research Bragg backscattering from perfect crystals is a tool for creating, manipulating, and analyzing x-rays with highest spectral purity It has the unique feature of selecting x-rays with narrow spectral bandwidth This book describes the theoretical foundations and principles of x-ray crystal optics with high spectral resolution Various experimental studies and applications are presented and the author also addresses the development of instrumentation, such as high-resolution x-ray monochromators, analyzers, wavelength meters, resonators, and interferometers The book will be a valuable source of information for all students and researchers working in the field of x-ray optics…”
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“…CLIC project will consist of more than 20 000 two meters long modules. A test setup made of three modules is being built at CERN to validate the assembly and integration of all components and technical systems and to validate the short range strategy of pre-alignment. …”
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“…Pipelines for helium transportation can reach lengths of hundreds of meters. The proper selection of size for individual pipelines and safety valves is a crucial part in the consideration of costs for the entire installation and its safe operation. …”
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“…The observation of such matter at a collider could only establish that it is neutral, weakly-interactive, massive and stable on the distance-scales of tens of meters. The searches are performed using the LHC Run-I and Run-II datasets recorded with the ATLAS, CMS and LHCb detectors in proton-proton collisions at a center-of-mass energy of 7, 8 and 13 TeV. …”
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“…Special problems with devices like flow meters, pressure gauges, and temperature gauges when operating at cryogenic temperatures is discussed. …”
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“…No excess of events above the SM background is observed and stringent limits on the Higgs boson ($\mathrm{h}^0$) branching fraction to LLPs ($\mathrm{S}$) are obtained, particularly for proper decay lengths greater than a few meters. This search result represents the most stringent limits on the branching fraction $\mathcal{B}(\mathrm{h}^0 \rightarrow\mathrm{S}\mathrm{S})$ for proper decay lengths greater than $6$$-$$40$ m for S masses between $7$$-$$40$ GeV.…”
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“…The mock-up represents the last three meters of the tunnel environment left and right of ATLAS and CMS caverns. …”
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“…Caverns for large physics detectors, such as the one for the Large Hadron Collider experiments, sit nearly 100 m underground and measure several tens of meters in length, width and height. The deformation of the cavern base slab over decades has a direct influence on the relative alignment of detectors with respect to the accelerator. …”
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“…Caverns for large physics detectors as the one for the Large Hadron Collider experiments sit nearly 100 m underground and measure several tens of meters in length, width and height. The deformation of the cavern base slab over decades has a direct influence on the relative alignment of detectors to the accelerator. …”
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“…A comparison of two types of dose equivalent meters, a recombination chamber REM-2 and a tissue-equivalent proportional counter (TEPC) Homburg Area Neutron DosImeter (HANDI), were carried out at the CERN- EC high-energy reference field facility, CERF, in October 2001. …”
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“…The horizontal dimensions will be different with the maximal size of 3 meters in Station 5. The wires are in the vertical direction. …”
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“…An airflow velocity of 50.9 meters per second accompanies this pressure drop. …”
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“…The model circumference is 10 meters, and the magnet apertures are 12 mm- 20 mm. …”
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“…In this paper we analyze a strategy to circumvent this difficulty, based on an early beam separation using small dipoles placed at a few meters from the interaction point. From the beam dynamics point of view, the essential constraint is to control the long-range beam–beam interactions in a scenario where the normalized beam separation is not constant.…”
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“…The SPS proton bunch carrying kJ of energy is a unique driver for generation of ~ GeV/m wakefields through 10’s of meters of plasma. The side-injected electrons ~15 MeV can reach GeV energies. …”
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“…The 400 GeV proton beam from the CERN SPS will excite a wakefield in a plasma cell several meters in length. To probe the plasma wakefield, electrons of 10–20 MeV will be injected into the wakefield following the head of the proton beam. …”
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“…The concept is based on a hollow beam of electrons that travels around the protons for a few meters. The electron beam is produced by a cathode and then guided by a strong magnetic field. …”
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“…This case report highlights factors that can cause false hyper- and hypoglycemic readings on point-of-care glucose meters.…”
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“…CASE PRESENTATION: A 38 year old male tree surgeon fell six meters from a tree, sustaining a subcutaneous rupture of the Achilles tendon and an ipsilateral closed fracture of the medial malleolus. …”
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“…His best corrected visual acuity (BCVA) was counting fingers 2 meters and 20/20 (Snellens) in the right and left eyes respectively. …”
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