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| Hauptseite > Publikationsdatenbank > Up and down quark masses and corrections to Dashen's theorem from lattice QCD and quenched QED > print |
| Hauptseite > Publikationsdatenbank > Up and down quark masses and corrections to Dashen's theorem from lattice QCD and quenched QED > print |
| 001 | 827319 | ||
| 005 | 20210129225819.0 | ||
| 024 | 7 | _ | |a arXiv:1702.00309 |2 arXiv |
| 024 | 7 | _ | |a 2128/13891 |2 Handle |
| 024 | 7 | _ | |a altmetric:16043336 |2 altmetric |
| 037 | _ | _ | |a FZJ-2017-01490 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Varnhorst, L. |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 111 | 2 | _ | |a 34th annual International Symposium on Lattice Field Theory |g Lattice 2016 |c Southampton |d 2016-07-24 - 2016-07-30 |w UK |
| 245 | _ | _ | |a Up and down quark masses and corrections to Dashen's theorem from lattice QCD and quenched QED |
| 260 | _ | _ | |a Trieste |c 2017 |b SISSA |
| 300 | _ | _ | |a 7 p. |
| 336 | 7 | _ | |a CONFERENCE_PAPER |2 ORCID |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
| 336 | 7 | _ | |a INPROCEEDINGS |2 BibTeX |
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| 336 | 7 | _ | |a Output Types/Conference Paper |2 DataCite |
| 336 | 7 | _ | |a Contribution to a conference proceedings |b contrib |m contrib |0 PUB:(DE-HGF)8 |s 1488267479_6797 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Contribution to a book |0 PUB:(DE-HGF)7 |2 PUB:(DE-HGF) |m contb |
| 490 | 0 | _ | |a Proceedings of Science LATTICE2016 200 |
| 520 | _ | _ | |a We present a determination of the corrections to Dashen's theorem and of the individual up and down quark masses from a lattice calculation based on quenched QED and $N_f =2+1$ QCD simulations with 5 lattice spacings down to 0.054 fm. The simulations feature lattice sizes up to 6 fm and average up-down quark masses all the way down to their physical value. For the parameter which quantifies violations to Dashens's theorem we obtain $\epsilon=0.73(2)(5)(17)$, where the first error is statistical, the second is systematic, and the third is an estimate of the QED quenching error. For the light quark masses we obtain, $m_u=2.27(6)(5)(4) \, MeV$ and $m_d=4.67(6)(5)(4) \, MeV$ in the $\overline{MS}$ scheme at $2 \, GeV$ and the isospin breaking ratios $m_u/m_d=0.485(11)(8)(14)$, $R=38.2(1.1)(0.8)(1.4)$ and $Q=23.4(0.4)(0.3)(0.4)$. Our results exclude the $m_u=0$ solution to the strong CP problem by more than 24 standard deviations. |
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| 700 | 1 | _ | |a Durr, S. |0 P:(DE-Juel1)132580 |b 1 |
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| 700 | 1 | _ | |a Hoelbling, C. |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Krieg, S. |0 P:(DE-Juel1)132171 |b 4 |
| 700 | 1 | _ | |a Lellouch, L. |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Portelli, A. |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Sastre, A. |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Szabo, Kalman |0 P:(DE-Juel1)161563 |b 8 |
| 773 | _ | _ | |y 2017 |0 PERI:(DE-600)2642026-0 |x 1824-8039 |p 200 |v LATTICE2016 |
| 856 | 4 | _ | |u https://pos.sissa.it/archive/conferences/256/200/LATTICE2016_200.pdf |
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