Scale symmetry breaking, quantum anomalous energy and proton mass decomposition
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Physics B"
DOI: 10.1016/j.nuclphysb.2021.115537
Abstract: We study the anomalous scale symmetry breaking effects on the proton mass in QCD due to quantum fluctuations at ultraviolet scales. We confirm that a novel contribution naturally arises as a part of the proton… read more here.
Keywords: anomalous energy; mass; proton mass; symmetry breaking ... See more keywords
Measurement of the variation of electron-to-proton mass ratio using ultracold molecules produced from laser-cooled atoms
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-11761-1
Abstract: Experimental techniques to manipulate cold molecules have seen great development in recent years. The precision measurements of cold molecules are expected to give insights into fundamental physics. Here we use a rovibrationally pure sample of… read more here.
Keywords: proton mass; mass ratio; electron proton;
Constraints on the electron-to-proton mass ratio variation at the epoch of reionization
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa2635
Abstract: Far infrared fine-structure transitions of CI and CII and rotational transitions of CO are used to probe hypothetical variations of the electron-to-proton mass ratio mu = m_e/m_p at the epoch of reionization (z > 6).… read more here.
Keywords: proton mass; epoch reionization; mass ratio; electron proton ... See more keywords
Proton mass decomposition and hadron cosmological constant
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.076010
Abstract: Lattice results on sigma terms and global analysis of parton momentum fractions are used to give the quark and glue fractions of the proton mass and rest energy. The mass decomposition in terms of the… read more here.
Keywords: part; decomposition; momentum; energy ... See more keywords
Proton Mass Decomposition from the QCD Energy Momentum Tensor.
Sign Up to like & getrecommendations! Published in 2018 at "Physical review letters"
DOI: 10.1103/physrevlett.121.212001
Abstract: We report results on the proton mass decomposition and also on related quark and glue momentum fractions. The results are based on overlap valence fermions on four ensembles of N_{f}=2+1 domain wall fermion configurations with… read more here.
Keywords: energy; mass; proton mass; mass decomposition ... See more keywords