Antimatter propulsion, status and prospects

Details Antimatter propulsion, status and prospects Antimatter propulsion, status and prospects

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mmm..work..836h&link_type=abstract

In NASA. Marshall Space Flight Center Manned Mars Mission. Working Group Papers, V. 2, Sect. 5, App. p 836-855 (SEE N87-17760 10

Mathematics

Logic

Antiprotons, Long Duration Space Flight, Manned Space Flight, Mars (Planet), Matter-Antimatter Propulsion, Spacecraft Propulsion, Heating, Manned Mars Missions, Nuclear Fusion, Particle Production, Working Fluids

Scientific paper

The use of advanced propulsion techniques must be considered if the currently envisioned launch date of the manned Mars mission were delayed until 2020 or later. Within the next thirty years, technological advances may allow such methods as beaming power to the ship, inertial-confinement fusion, or mass-conversion of antiprotons to become feasible. A propulsion system with an ISP of around 5000 s would allow the currently envisioned mission module to fly to Mars in 3 months and would require about one million pounds to be assembled in Earth orbit. Of the possible methods to achieve this, the antiproton mass-conversion reaction offers the highest potential, the greatest problems, and the most fascination. Increasing the production rates of antiprotons is a high priority task at facilities around the world. The application of antiprotons to propulsion requires the coupling of the energy released in the mass-conversion reaction to thrust-producing mechanisms. Recent proposals entail using the antiprotons to produce inertial confinement fusion or to produce negative muons which can catalyze fusion. By increasing the energy released per antiproton, the effective cost, (dollars/joule) can be reduced. These proposals and other areas of research can be investigated now. These short term results will be important in assessing the long range feasibility of an antiproton powered engine.

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