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We present approach and results of an angular streaking experiment with the attoclock method [1] that suggest the existence of a real tunneling time in strong field ionization of Helium. The results are compared with competing theories of tunneling time and show that the only theories that are compatible with the experimental results are the L armor time and a distribution of tunneling times with...
We present approach and results of an angular streaking experiment with the attoclock method that exhibit a tunneling time in strong-field ionization of Helium. The results are compared with competing theories of tunneling time and show that the only theories that are compatible with the experimental results are the Larmor time and a distribution of tunneling times with a long tail constructed using...
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