6 research outputs found

    ATLAS detector and physics performance: Technical Design Report, 1

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    The role of defining the sentinel lymph node in the treatment of low-risk highly differentiated thyroid cancer (review of literature)

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    The definition of a sentinel lymph node is a technique that appeared at the middle of the 20th century. For a number of malignant neoplasms, the definition of a sentinel lymph node is standard procedure, but for highly differentiated thyroid cancer, the data is conflicting. The role of prophylactic central compartment lymph node dissection in the clinical N0 stage is not established. Sentinel lymph node detection seems to be the possible way to reduce the risk of persistence and recurrence of highly differentiated thyroid cancer

    Beam diagnostics measurements at 3 MeV of the LINAC4 H- beam at CERN

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    As part of the CERN LHC injector chain upgrade, LINAC4 [1, 2] will accelerate H- ions to 160 MeV, replacing the old 50 MeV proton linac. The ion source, the Low Energy Beam Transfer (LEBT) line, the 3 MeV Radio Frequency Quadrupole and the Medium Energy Beam Transfer (MEBT) line hosting a chopper, have been commissioned in the LINAC4 tunnel. Diagnostic devices are installed in the LEBT and MEBT line and in a movable diagnostics test bench which is temporarily added to the MEBT exit. The paper gives an overview of all the instruments used, including beam current transformers, beam position monitors, wire scanners and wire grids for transverse profile measurements, a longitudinal bunch shape monitor and a slit-and-grid emittance meter. The instrumentation performance is discussed and the measurement results that allowed characterizing the 3 MeV beam in the LINAC4 tunnel are summarized

    ATLAS detector and physics performance: Technical Design Report, 2

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