Virtual Compton Scattering under Π0 Threshold at Q2=0.33 GeV2. Preliminary Results

Nuclear Physics A（1999）SCI 4区

Cited 1|Views23

Abstract

We have measured the absolute unpolarized cross sections for photon electro-production off the proton ep -> ep gamma with the Three-Spectrometer-Setup at MAMI at a momentum transfer q=600 MeV/c and a virtual photon polarization epsilon=0.62. The momentum q' of the outgoing real photon range from 33 to 111 MeV/c. We extracted two combinations of the recently introduced generalized polarizabilities [1,2].

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parton distributions

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Pretraining has recently greatly promoted the development of natural language processing (NLP)
We show that M6 outperforms the baselines in multimodal downstream tasks, and the large M6 with 10 parameters can reach a better performance
We propose a method called M6 that is able to process information of multiple modalities and perform both single-modal and cross-modal understanding and generation
The model is scaled to large model with 10 billion parameters with sophisticated deployment, and the 10 -parameter M6-large is the largest pretrained model in Chinese
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