期刊
NATURE PHOTONICS
卷 8, 期 6, 页码 434-436出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nphoton.2014.95
关键词
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资金
- Engineering and Physical Sciences Research Council
- John Adams Institute (STFC)
- Atomic Weapons Establishment, Aldermaston
- EPSRC [EP/K028464/1] Funding Source: UKRI
- STFC [ST/G008531/1, John Adams Institute, ST/J002011/1, ST/K001582/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [1102903, EP/K028464/1] Funding Source: researchfish
- Science and Technology Facilities Council [John Adams Institute, ST/J002011/1 John Adams Inst, ST/J002011/1, ST/K001582/1, ST/G008531/1] Funding Source: researchfish
The ability to create matter from light is amongst the most striking predictions of quantum electrodynamics. Experimental signatures of this have been reported in the scattering of ultra-relativistic electron beams with laser beams(1,2), intense laser-plasma interactions(3) and laser-driven solid target scattering(4). However, all such routes involve massive particles. The simplest mechanism by which pure light can be transformed into matter, Breit-Wheeler pair production (gamma gamma'-> e(+)e(-))(5), has never been observed in the laboratory. Here, we present the design of a new class of photon-photon collider in which a gamma-ray beam is fired into the high-temperature radiation field of a laser-heated hohlraum. Matching experimental parameters to current-generation facilities, Monte Carlo simulations suggest that this scheme is capable of producing of the order of 10(5) Breit-Wheeler pairs in a single shot. This would provide the first realization of a pure photon-photon collider, representing the advent of a new type of high-energy physics experiment.
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