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The strong coupling constant: State of the art and the decade ahead
/ d'Enterria, D. (CERN) ; Kluth, S. (Munich, Max Planck Inst.) ; Zanderighi, G. (Munich, Max Planck Inst.) ; Ayala, C. (Tarapaca U.) ; Benitez-Rathgeb, M.A. (Vienna U.) ; Bluemlein, J. (DESY, Zeuthen) ; Boito, D. (Vienna U. ; Sao Paulo U.) ; Brambilla, N. (Munich, Tech. U.) ; Britzger, D. (Munich, Max Planck Inst.) ; Camarda, S. (CERN) et al.
Theoretical predictions for particle production cross sections and decays at colliders rely heavily on perturbative Quantum Chromodynamics (QCD) calculations, expressed as an expansion in powers of the strong coupling constant $\alpha_s$. The current $\mathcal{O}(1\%)$ uncertainty of the QCD coupling evaluated at the reference Z boson mass, $\alpha_s(m_Z) = 0.1179 \pm 0.0009$, is one of the limiting factors to more precisely describe multiple processes at current and future colliders. [...]
arXiv:2203.08271; FERMILAB-CONF-22-148-T.-
2024-10-28 - 163 p.
- Published in : J. Phys. G
Fulltext: jt - PDF; 2203.08271 - PDF; Fulltext from Publisher: PDF; External links: Fermilab Library Server; eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021, pp.090501
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2.
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$\alpha_s$(2019): Precision measurements of the QCD coupling
/ d'Enterria, David (CERN) ; Kluth, Stefan (Munich, Max Planck Inst.) ; Alekhin, S. (Hamburg U.) ; Baikov, P.A. (Lomonosov Moscow State U.) ; Banfi, A. (Sussex U.) ; Barreiro, F. (Madrid, Autonoma U.) ; Bazavov, A. (Michigan State U., East Lansing (main)) ; Bethke, S. ; Blümlein, J. (DESY, Zeuthen) ; Boito, D. (Sao Paulo U.) et al.
This document collects a written summary of all contributions presented at the workshop "$\alpha_s$(2019): Precision measurements of the strong coupling" held at ECT* (Trento) in Feb. 11--15, 2019. [...]
arXiv:1907.01435.-
SISSA, 2019-07-09 - 154 p.
- Published in : PoS: ALPHAS2019 (2019) , pp. 001
Fulltext: PDF;
In : Workshop on precision measurements of the QCD coupling constant (alphas-2019), Trento, Italy, 11 - 15 Feb 2019, pp.001
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3.
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The Belle II Physics Book
/ Belle-II Collaboration
We present the physics program of the Belle II experiment, located on the intensity frontier SuperKEKB e+e- collider. Belle II collected its first collisions in 2018, and is expected to operate for the next decade. [...]
arXiv:1808.10567; KEK Preprint 2018-27; BELLE2-PUB-PH-2018-001; FERMILAB-PUB-18-398-T; JLAB-THY-18-2780; INT-PUB-18-047; UWThPh 2018-26.-
2019-12-23 - 654 p.
- Published in : PTEP: 2019 (2019) , no. 12, pp. 123C01
- Published in : PTEP: 2020 (2020) , no. 2, pp. 029201
Article from SCOAP3: PDF; Fulltext: 1808.10567 - PDF; fermilab-pub-18-398-t - PDF; Erratum - PDF; Fulltext from publisher: PDF; External link: Fermilab Library Server (fulltext available)
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4.
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Theoretical progress on the V_us determination from tau decays
/ Gamiz, Elvira (Illinois U., Urbana) ; Jamin, Matthias (ICREA, Barcelona ; Barcelona, IFAE) ; Pich, Antonio (Valencia U., IFIC) ; Prades, Joaquim (CERN ; CAFPE, Granada ; Granada U., Theor. Phys. Astrophys.) ; Schwab, Felix (Barcelona, IFAE)
A very precise determination of V_us can be obtained from the semi-inclusive hadronic decay width of the tau lepton into final states with strangeness. The ratio of the Cabibbo-suppressed and Cabibbo-allowed tau decay widths directly measures (V_us/V_ud)^2, up to very small SU(3)-breaking corrections which can be theoretically estimated with the needed accuracy. [...]
arXiv:0709.0282; CERN-PH-TH-2007-147; IFIC-07-52; FTUV-07-0903; CERN-PH-TH-2007-147; IFIC-07-52; FTUV-07-0903.-
2007 - 9 p.
- Published in : PoS: KAON (2008) , pp. 008
Fulltext: KAON_008 - PDF; arXiv:0709.0282 - PDF; Published version from PoS: PDF; External link: Proceedings of Science Server
In : KAON International Conference, Frascati, Italy, 21 - 25 May 2007, pp.e-page 008
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5.
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$|V_us|$ and $m_s$ from hadronic tau decays
/ Gamiz, Elvira (Illinois U., Urbana) ; Jamin, Matthias (ICREA, Barcelona ; Barcelona, IFAE) ; Pich, Antonio (Valencia U., IFIC) ; Prades, Joaquim (CERN) ; Schwab, Felix (Barcelona, IFAE)
Recent progress in the determination of |V_us| employing strange hadronic tau-decay data are reported. This includes using the recent OPAL update of the strange spectral function, as well as augmenting the dimension-two perturbative contribution with the recently calculated order alpha_s^3 term on the theory side. [...]
hep-ph/0612154; CERN-PH-TH-2006-254; UAB-FT-620; CERN-PH-TH-2006-254; UAB-FT-620.-
Geneva : CERN, 2007 - 5 p.
- Published in : Nucl. Phys. B, Proc. Suppl. 169 (2007) 85-89
Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint
In : 9th International Workshop on Tau Lepton Physics, Pisa, Italy, 19 - 22 Sep 2006, pp.85-89
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6.
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|V(us)| from strange hadronic tau data
/ Gamiz, Elvira (Illinois U., Urbana) ; Jamin, Matthias (ICREA, Barcelona ; Barcelona, IFAE) ; Pich, Antonio (Valencia U. ; Valencia U., IFIC) ; Prades, Joaquim (CERN) ; Schwab, Felix (Munich, Tech. U. ; Munich, Max Planck Inst.)
We report on recent work to determine the CKM matrix element |V_{us}| using strange hadronic \tau decay data. We use the recent OPAL update of the strange spectral function, while on the theory side we update the dimension-two perturbative contribution including the recently calculated \alpha_s^3 terms. [...]
hep-ph/0610246; CERN-PH-TH-2006-204; UAB-FT-614; CERN-PH-TH-2006-204; UAB-FT-614.-
Geneva : CERN, 2007 - 7 p.
- Published in : AIP Conf. Proc. C: 060726 (2006) , pp. 786-789
- Published in : , pp. 786-789
Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint
In : 33rd International Conference on High-Energy Physics, Moscow, Russian Federation, 26 Jul - 2 Aug 2006, pp.786-789
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7.
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Precision determinations of QCD parameters from quarkonia
/ Boogert, S ; Davies, C T H ; Eidelman, S ; Hoang, A H ; Jamin, M ; Kronfeld, A S ; MacKenzie, P B ; Penin, A ; Pineda, A ; Stewart, I W et al.
CERN, 2005
Fulltext: PDF;
In : Heavy Quarkonium Physics, pp.349
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Heavy Quarkonium Physics
/ Brambilla, N.
This report is the result of the collaboration and research effort of the Quarkonium Working Group over the last three years [...]
hep-ph/0412158 ; CERN-2005-005
CERN-2005-005.
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Geneva : CERN, 2005 - 521.
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ebook
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9.
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CKM elements from K and B meson mixing
/ Abbaneo, D ; Flynn, J M (convener) ; Paulini, M (convener) ; Willocq, S (convener) ; Bozzi, C ; Buras, Andrzej J ; Forty, Roger W ; Gupta, R ; Hawkings, R ; Höcker, A et al.
CERN, 2003
Published version from CERN: PDF;
In : The CKM matrix and the unitarity triangle. Workshop, CERN, Geneva, Switzerland, 13-16 Feb 2002: Proceedings, pp.143-195
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