396 lines
17 KiB
Text
396 lines
17 KiB
Text
<?xml version='1.0' encoding='UTF-8'?>
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<heimer-mind-map alz-format-version="2" application-version="4.3.0">
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<style>
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<color r="221" b="221" g="221"/>
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<edge-color r="17" b="17" g="17"/>
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<grid-color r="153" b="153" g="153"/>
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<arrow-size>20000</arrow-size>
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<edge-width>1000</edge-width>
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<font-family italic="0" overline="0" underline="0" bold="0" strike-out="0" weight="50">Sans Serif</font-family>
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<text-size>14000</text-size>
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<corner-radius>5000</corner-radius>
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</style>
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<graph>
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<node h="75000" i="0" x="-640000" y="-136000" w="200000">
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<text>Year 1</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="49" x="1272000" y="-520000" w="200000">
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<text>Theory</text>
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<color r="247" b="118" g="228"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="27" x="1304000" y="800000" w="446000">
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<text>check influnce of collective effect, simulation with
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and without, in accelerator but also in matter</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="28" x="656000" y="360000" w="728000">
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<text>- Investigate if link between starting distribution and output beam structure exists,
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by starting with custom, artificial test structures and simulate resulting structure at
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output, can the transformation be calculated without using particle tracking.
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(input of knowledge of accelerator optics/model is okay)</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="26" x="1288000" y="624000" w="672000">
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<text>simulation of the beam dynamics for this particle distribution on its trajectory
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to the target, based on existing simulation tools and models,
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e.g. transport/covariance matrices combined with average
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scattering angles based on existing beam-matter interaction descriptions</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="43" x="1152000" y="80000" w="363000">
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<text>- and/or electrons from Lpaccelerator…</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="166000" i="18" x="-824000" y="-392000" w="288000">
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<text>literature research of models
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and methods to propagate
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structured radiation beams
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though air and matter, starting
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from e.g. GEANT4, BDSIM,
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EGSnrc (with BEAMnrc), ...</text>
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<color r="247" b="118" g="228"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="1" x="-384000" y="-136000" w="200000">
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<text>year 2</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="166000" i="8" x="2304000" y="-128000" w="707000">
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<text>Phd student
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based on previous results work on algorithm/method to adjust starting
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distribution in such a way that the a certain “requested” distribution on target
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is achieved by pre-compensating(??) the expected effects of transport
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through accelerator and matter….
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</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="45" x="1224000" y="32000" w="200000">
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<text>transfer to protons</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="29" x="560000" y="504000" w="490000">
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<text> develop calculation to define starting distributions
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in order to achieve specific output distributions
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(which could be based on requested beam structures
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defined by the results in RT developments)</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="50" x="1544000" y="-792000" w="200000">
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<text>Experiment</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="97000" i="13" x="96000" y="-680000" w="465000">
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<text>Postdoc?
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investigate beam matter interaction for ultra short,
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high intensity pulses?</text>
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<color r="247" b="118" g="228"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="48" x="1584000" y="-552000" w="200000">
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<text>Simulation</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="37" x="-536000" y="240000" w="667000">
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<text>- set up necessary diagnostic/detectors/targets for dose rate measurement
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in air and in a water target (including market survey and acquisition)</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="57" x="-1488000" y="-880000" w="200000">
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="20" x="-1240000" y="-552000" w="420000">
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<text>literature research on dose deposited by
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longitudinal and transverse structured beams</text>
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<color r="247" b="118" g="228"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="235000" i="7" x="-384000" y="48000" w="788000">
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<text>Phd student - (experimental/simulation) study of beam paramteres influence (on
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charge distribution) and deposited dose at FLUTE (including collective effects if possible)
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experimental setup and diagnostic and dosimetry electron beam in flute,
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extend beyond accelerator and into phantom/target/ … dosimetry, ...dependence on
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beam parameters....pulse length, charge, transverse size/emittance, energy?
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→ provide input for simulations and later cross-checks with simulation
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based on measurement results
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</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="44" x="1520000" y="32000" w="338000">
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<text>- hit tests mit protonen? (was testen)
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influence of collective effects? </text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="24" x="-176000" y="504000" w="482000">
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<text>- simulate the 6D particle distribution expected
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at the exit of the/A linear accelerator, employing e.g.
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ASTRA (gun to start compressor with Space charge)
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and OCELOT (through compressor with CSR)</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="97000" i="58" x="968000" y="-208000" w="324000">
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<text>Master2
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experimental v verification of
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custom bunch modulation/shaping</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="21" x="-1264000" y="-96000" w="496000">
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<text>literature research on which effect affect
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dosimetry of ultra short, high intensity dose rate beams
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two type of ion-recombination, and more,
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all the correction factors</text>
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<color r="247" b="118" g="228"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="30" x="1352000" y="384000" w="472000">
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<text>simulate the differences in deposited dose (2D)
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depending on initial distribution accelerator as
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well as in dependence on inclusion of the collective
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effects during beam transport.</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="97000" i="47" x="1568000" y="-328000" w="633000">
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<text>- use detector that allows for 2d transverse distribution measurement…
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.or can 2d dose be calculated from 2d distribution measurement with
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e.g. screen?? how does longitudinal distribution affect this????</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="281000" i="10" x="-256000" y="-384000" w="726000">
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<text>PostDoc
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extend and combine simulations and implement
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new methods to propagate structured beams
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through accelerator and matter interaction, based on the existing
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simulations like MC but also transport matrix stuff,
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include not only single electron matter effects but
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also consider collective effects during transport
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through matter for electrons
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find best implementation method out of the following posibilities
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best would be if it results in a combined code with accelerator stuff?
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if I ask for that, then it is more safe if the coll effects in matter are not so important, </text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="97000" i="52" x="64000" y="256000" w="490000">
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<text> survey of required vs available diagnostics to
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measure/determine 6D particle distribution at different
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positions in the linac, e.g. virtual diagnostic available</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="97000" i="35" x="-96000" y="360000" w="542000">
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<text>- measurements of 6D particle distribution at accelerator exit
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and investigate dependence on accelerator parameters,
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e.g. pulse length, charge, spot size</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="32" x="-64000" y="-808000" w="481000">
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<text>- create combined simulation tool which includes
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all three parts the beam dynamic in the accelerator
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and the propagation through matter to the target and
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finally the deposited dose.</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="53" x="416000" y="-240000" w="276000">
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<text>Master student
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setup 2d dose measurement</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="97000" i="23" x="-1176000" y="-256000" w="529000">
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<text>based on different proposed flash RT accelerators
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(from papers) investigate the influence of collective effects
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in beam generation in accelerator</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="166000" i="40" x="832000" y="-712000" w="596000">
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<text>- expand setup to allow for detection of spatial distribution in dose,
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(could be film Kodak XV-2 silver halide radiographic film and
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thermoluminescent dosimeter TLD-100 as in
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(https://doi.org/10.1016/S0958-3947(02)00086-9)
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) or what about a detector like (27x27cm? Oder doch 4x4cm??
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https://www.ptwdosimetry.com/en/products/octavius-detector-1500</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="3" x="112000" y="-136000" w="200000">
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<text>year 4</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="235000" i="54" x="480000" y="64000" w="637000">
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<text>PhD zweiter - feasabiliy of calulating start distribution based
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on requested final distribution
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vs study of feasability of accelerator based beam modulation for RT?
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title passt nicht zu inhalt!!!!
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based on previous results work (for full start to end transport, including
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collective effects)
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ehr theoretish/ mathematisch angehen ob und wie
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das ein inverses problem sein kann, dass man basierend auf
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einer gewünschten endverteilung die richtige start verteilung wählt</text>
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<color r="247" b="118" g="228"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="97000" i="41" x="472000" y="-552000" w="621000">
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<text>- experimental studies of the propagation of 6D particle distribution
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through air and/or water, structuring done by mask at accelerator exit
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as well as structured by gun or dynamic in linac</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="4" x="368000" y="-136000" w="200000">
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<text>year5</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="97000" i="39" x="-688000" y="368000" w="500000">
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<text>- investigate dependence of measured dose on
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accelerator parameters such as pulse length,
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charge, longitudinal/transverse structure? ENERGY! ...</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="2" x="-128000" y="-136000" w="200000">
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<text>year 3</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="75000" i="56" x="2104000" y="24000" w="304000">
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<text>?think about x-rays from KARA?</text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="143000" i="19" x="-512000" y="-664000" w="686000">
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<text>investigate evolution of different temporally and spatially
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structured radiation beams passing through matter, quantify
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deterioration of initial structuring based on path length in
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different materials and initial dimensions and size of structuring
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(based on requirements in FLASH and microbeam RT) and different particles</text>
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<color r="247" b="118" g="228"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="189000" i="36" x="568000" y="-392000" w="762000">
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<text>test different possibilities to achieve structure beam at exit:
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- masks?
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- spatial light modulator also used for longitudinal modulation via spectral modulation?
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- energy modulation turned spatial with spectrometer magnet at exit
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- zwei quads to blow up and then collimate beam with the bigger size
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- use SLM to change spot on cathode shot by shot, and therefore, change (e.g.) scan
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e beam. is this simpler, than scanning with a magnet?</text>
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<color r="161" b="90" g="229"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="22" x="-1216000" y="48000" w="457000">
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<text>simulate/evaluate the different operation modes of
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FLUTE (varying pulse length and charge)
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with respect towards dose rate of final electron
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beam, with e.g. FLUKA/EGSnrc</text>
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<color r="109" b="193" g="247"/>
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<text-color r="17" b="17" g="17"/>
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||
</node>
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<node h="75000" i="5" x="624000" y="-136000" w="200000">
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<text>year 6</text>
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<color r="255" b="255" g="255"/>
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||
<text-color r="17" b="17" g="17"/>
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||
</node>
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<node h="97000" i="42" x="2336000" y="128000" w="796000">
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<text> extend studies to X-ray(/THz?) at synchrotron light source (KARA)????????
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for micro beams, normally used mask, probably no way to get electrons per-structured???
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for FLASH, problem high reprate? </text>
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<color r="255" b="255" g="255"/>
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<text-color r="17" b="17" g="17"/>
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</node>
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<node h="120000" i="25" x="1264000" y="200000" w="759000">
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<text>simulate different possibilities to achieve structure beam at exit:
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- spatial light modulator also used for longitudinal modulation via spectral modulation?
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- energy modulation turned spatial with spectrometer magnet at exit
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- magnet lattice, e.g. overfokussing?….</text>
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<color r="109" b="193" g="247"/>
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||
<text-color r="17" b="17" g="17"/>
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||
</node>
|
||
<edge i0="0" arrow-mode="0" i1="7"/>
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||
<edge i0="0" arrow-mode="0" i1="1"/>
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<edge i0="27" arrow-mode="0" i1="26"/>
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||
<edge i0="28" arrow-mode="0" i1="54"/>
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||
<edge i0="26" arrow-mode="0" i1="54">
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||
<text>???</text>
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||
</edge>
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<edge i0="43" arrow-mode="0" i1="4">
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<text>???</text>
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||
</edge>
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<edge i0="18" arrow-mode="0" i1="0"/>
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||
<edge i0="18" arrow-mode="0" i1="10"/>
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||
<edge i0="1" arrow-mode="0" i1="10"/>
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||
<edge i0="1" arrow-mode="0" i1="2"/>
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||
<edge i0="1" arrow-mode="0" i1="7"/>
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<edge i0="45" arrow-mode="0" i1="4"/>
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<edge i0="29" arrow-mode="0" i1="54"/>
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<edge i0="13" arrow-mode="0" i1="10"/>
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||
<edge i0="37" arrow-mode="0" i1="7"/>
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<edge i0="20" arrow-mode="0" i1="10"/>
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||
<edge i0="44" arrow-mode="0" i1="5"/>
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||
<edge i0="24" arrow-mode="0" i1="7"/>
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||
<edge i0="58" arrow-mode="0" i1="5"/>
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||
<edge i0="21" arrow-mode="0" i1="0"/>
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||
<edge i0="30" arrow-mode="0" i1="25"/>
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||
<edge i0="47" arrow-mode="0" i1="40"/>
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<edge i0="52" arrow-mode="0" i1="7">
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<text>???</text>
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</edge>
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<edge i0="35" arrow-mode="0" i1="7">
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<text>???</text>
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</edge>
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||
<edge i0="32" arrow-mode="0" i1="10"/>
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||
<edge i0="53" arrow-mode="0" i1="3"/>
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||
<edge i0="23" arrow-mode="0" i1="0"/>
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||
<edge i0="40" arrow-mode="0" i1="53"/>
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||
<edge i0="3" arrow-mode="0" i1="4"/>
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<edge i0="3" arrow-mode="0" i1="54"/>
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||
<edge i0="41" arrow-mode="0" i1="3"/>
|
||
<edge i0="41" arrow-mode="1" i1="36">
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||
<text>what first?</text>
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||
</edge>
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||
<edge i0="4" arrow-mode="0" i1="5"/>
|
||
<edge i0="4" arrow-mode="0" i1="54"/>
|
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<edge i0="39" arrow-mode="0" i1="37"/>
|
||
<edge i0="2" arrow-mode="0" i1="7"/>
|
||
<edge i0="2" arrow-mode="0" i1="10"/>
|
||
<edge i0="2" arrow-mode="0" i1="3"/>
|
||
<edge i0="19" arrow-mode="0" i1="1"/>
|
||
<edge i0="19" arrow-mode="0" i1="10"/>
|
||
<edge i0="36" arrow-mode="0" i1="3"/>
|
||
<edge i0="36" arrow-mode="0" i1="2"/>
|
||
<edge i0="22" arrow-mode="0" i1="0"/>
|
||
<edge i0="22" arrow-mode="0" i1="7"/>
|
||
<edge i0="5" arrow-mode="0" i1="54"/>
|
||
<edge i0="25" arrow-mode="0" i1="54">
|
||
<text>???</text>
|
||
</edge>
|
||
</graph>
|
||
<metadata>
|
||
<layout-optimizer min-edge-length="100000" aspect-ratio="1000"/>
|
||
</metadata>
|
||
</heimer-mind-map>
|