Essays about: "LCLS"

Found 4 essays containing the word LCLS.

  1. 1. Prospects for a Free Electron Laser at the FemtoMAX Beamline

    University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Author : Johan Holmberg; [2024]
    Keywords : Free Electron Lasers; FEL; synchrotron radiation; MAX IV; FemtoMAX; GENESIS 1.3; XFEL; X-rays; soft X-rays; Physics and Astronomy;

    Abstract : A Free Electron Laser (FEL), is a device that generates extremely coherent and brilliant radiation using electrons accelerated to relativistic velocities in a particle accelerator. The process utilises similar equipment to what is used at a synchrotron source like MAX IV, but in addition there is an interaction between the relativistic electron beam and the generated radiation to achieve an exponential growth in radiation intensity. READ MORE

  3. 2. Validation of simulation with enhanced kaon production to investigate kaon background for LDMX

    University essay from Lunds universitet/Partikel- och kärnfysik; Lunds universitet/Fysiska institutionen

    Author : Lisa Andersson Loman; [2023]
    Keywords : Dark matter; experimental physics; simulations; kaons; particle physics; LDMX; background studies; mörk materia; partikelfysik; kaoner; Physics and Astronomy;

    Abstract : Dark matter is one of our universe’s largest mysteries and very little is known about what it is. One of the dominating theories, that it originates from an early universe thermal relic, indicates that it has interaction with the Standard Model. READ MORE

  4. 3. Rejection of the Photon Induced Background in LDMX at 8 GeV

    University essay from Lunds universitet/Partikel- och kärnfysik; Lunds universitet/Fysiska institutionen

    Author : Erik Wallin; [2022]
    Keywords : Physics and Astronomy;

    Abstract : The Light Dark Matter eXperiment (LDMX) is a proposed fixed target experiment at SLAC's LCLS-II electron beamline that will attempt direct production of sub-GeV dark matter, measurable through a missing momentum and missing energy signature. An initial run of LDMX is planned at 4 GeV beam energy, for which a study on LDMX's capabilities to separate dark matter production events from the standard model background was previously performed. READ MORE

  5. 4. Noise Reduction in Flash X-ray Imaging Using Deep Learning

    University essay from Uppsala universitet/Avdelningen för beräkningsvetenskap

    Author : Tobias Sundman; [2018]
    Keywords : flash x-ray imaging; machine learning; deep learning; neural network; locally connected layer; autoencoder; LCLS; GPU; tensorflow; python; U-Net; free electron laser; selu; scaled exponential linear unit; diffraction; simulation; residual; concatenation;

    Abstract : Recent improvements in deep learning architectures, combined with the strength of modern computing hardware such as graphics processing units, has lead to significant results in the field of image analysis. In this thesis work, locally connected architectures are employed to reduce noise in flash X-ray diffraction images. READ MORE