Antimatter Catalyzed Fusion

  • From Nextbigfuture.com
    "Positron Dynamics Vision of Antimatter Catalyzed Fusion"
    http://www.nextbigfuture.com/2…vision-of-antimatter.html
    "Positron Dynamics near term work to proving out antimatter catalyzed deuterium fusion propulsion with over 100,000 ISP"
    http://www.nextbigfuture.com/2…cs-near-term-work-to.html


    Also related -
    "The antimatter factory..."
    http://www.theverge.com/2013/8…fusion-annihilation-laser


    Several fairly recent pre-prints also note that positron creation is enhanced in certain em-fields.

  • they need an accelerator...


    I appreciate you and the others keeping exploratory threads open here. Thanks!


    Let us think of the prospects without being hobbled by the past and its limitations. Clearly it takes a lot of energy to make a positron (511 keV), but that does not necessarily imply an accelerator. Nuclear proton beta decays can give rise to positrons, for example, particularly from proton rich nuclei (F-18, Mg-22, N-16, C-16 and so on). You may argue that those isotopes are generally made only by accelerators. But I imagine that Eric Walker or others here might argue there may be "catalytic" paths to enhance the rate of proton decay, just as there may be catalytic paths to increased rates neutron, and hence, negative beta decay. Could "naked protons" be manipulated to enhance their decay rate? If it can happen in a nucleus, then perhaps elsewhere. Surely there is at least a possibility that "excess" of a solitary proton might have some enhanced path to decay analogous to that of a vacuum neutron (15 minute half-life) relative to its nuclear bound twin, often with essentially an infinite half life.

    Consider that positrons are the vacuum state equivalent of semiconductor "holes". Such holes are already made with annihilation energies below 200 nm, i.e. several electron volts (versus the one eV of the first visible LEDs, or the original small fraction of an eV for IR LEDs).

  • But I imagine that Eric Walker or others here might argue there may be "catalytic" paths to enhance the rate of proton decay, just as there may be catalytic paths to increased rates neutron, and hence, negative beta decay.


    Unfortunately, if one could induce a proton to decay, it would be an endothermic reaction requiring -1.2 MeV. I definitely am interested in the possibility that activity can be catalyzed in certain isotopes that are already weakly beta radioactive. But I am deeply pessimistic that protons can be made to decay in any significant quantity.

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