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Prospects for precise predictions of $a_\mu$ in the Standard Model
/ Colangelo, G. (U. Bern (main)) ; Davier, M. (IJCLab, Orsay) ; El-Khadra, A.X. (Illinois U., Urbana ; Fermilab) ; Hoferichter, M. (U. Bern (main)) ; Lehner, C. (Regensburg U.) ; Lellouch, L. (Marseille, CPT) ; Mibe, T. (KEK, Tsukuba) ; Roberts, B.L. (Boston U.) ; Teubner, T. (Liverpool U., Dept. Math.) ; Wittig, H. (U. Mainz, PRISMA ; Darmstadt, GSI) et al.
We discuss the prospects for improving the precision on the hadronic corrections to the anomalous magnetic moment of the muon, and the plans of the Muon $g-2$ Theory Initiative to update the Standard Model prediction..
arXiv:2203.15810 ; FERMILAB-CONF-22-236-T ; LTH 1303 ; MITP-22-030.
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24.
Fermilab Library Server - eConf - Fulltext - Fulltext
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Very low $x$ gluon density determined by LHCb exclusive $J/\psi$ data
/ Flett, C.A. (Liverpool U., Dept. Math.) ; Martin, A.D. (Durham U., IPPP ; St. Petersburg, INP) ; Ryskin, M.G. (Durham U., IPPP ; St. Petersburg, INP) ; Teubner, T. (Liverpool U., Dept. Math.)
The low $x$ behaviour of the gluon density $xg(x,\mu^2)$ at scale $\mu^2=2.4$ GeV$^2$ is determined using exclusive $J/\psi$ production data from HERA and LHCb within the framework of collinear factorisation at next-to-leading order (NLO). It is shown that in the interval $3\times 10^{-6} < x <10^{-3}$ the gluon distribution function grows as $xg(x,\mu^2)\propto x^{-\lambda}$ with $\lambda=0.135\pm 0.006 $. [...]
arXiv:2006.13857; IPPP/20/23; LTH 1237.-
2020-12-11 - 18 p.
- Published in : Phys. Rev. D 102 (2020) 114021
Article from SCOAP3: PDF; Fulltext: PDF;
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The anomalous magnetic moment of the muon in the Standard Model
/ Aoyama, T. (KEK, Tsukuba ; Nishina Ctr., RIKEN ; KMI, Nagoya) ; Asmussen, N. (Southampton U.) ; Benayoun, M. (Paris U., VI-VII) ; Bijnens, J. (Lund U.) ; Blum, T. (Connecticut U. ; RIKEN BNL) ; Bruno, M. (CERN) ; Caprini, I. (Bucharest, IFIN-HH) ; Carloni Calame, C.M. (INFN, Pavia) ; Cè, M. (CERN ; Mainz U., Inst. Phys. ; Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Colangelo, G. (U. Bern, AEC) et al.
We review the present status of the Standard Model calculation of the anomalous magnetic moment of the muon. This is performed in a perturbative expansion in the fine-structure constant $\alpha$ and is broken down into pure QED, electroweak, and hadronic contributions. [...]
arXiv:2006.04822; FERMILAB-PUB-20-207-T; INT-PUB-20-021; KEK Preprint 2020-5,
MITP/20-028; KEK Preprint 2020-5, MITP/20-028; CERN-TH-2020-075; IFT-UAM/CSIC-20-74; LMU-ASC 18/20; LTH 1234,
LU TP 20-20; LTH 1234, LU TP 20-20; MAN/HEP/2020/003; PSI-PR-20-06; UWThPh 2020-14; ZU-TH 18/20.-
Geneva : CERN, 2020-12-03 - 166 p.
- Published in : Phys. Rep. 887 (2020) 1-166
Fulltext: 2006.04822 - PDF; fermilab-pub-20-207-t - PDF; Fulltext from Publisher: PDF; External links: Fermilab News article; Fermilab Library Server (fulltext available)
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Exclusive production of heavy quarkonia as a probe of the low x and low scale gluon PDF
/ Flett, C.A. (Liverpool U., Dept. Math.) ; Jones, S.P. (CERN) ; Martin, A.D. (Durham U., IPPP) ; Ryskin, M.G. (Durham U., IPPP ; St. Petersburg, INP) ; Teubner, T. (Liverpool U., Dept. Math.)
We discuss the exclusive $J/\psi$ photoproduction process, as measured recently at LHCb, as a means of constraining and ultimately determining the low $x$ and low $Q$ gluon PDF. [...]
arXiv:1912.09128 ; CERN-TH-2019-223 ; IPPP/19/96 ; LTH 1221.
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5 p.
Fulltext
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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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How to include exclusive $J/\psi$ production data in global PDF analyses
/ Flett, C.A. (Liverpool U., Dept. Math.) ; Jones, S.P. (CERN) ; Martin, A.D. (Durham U., IPPP) ; Ryskin, M.G. (Durham U., IPPP ; St. Petersburg, INP) ; Teubner, T. (Liverpool U., Dept. Math.)
We compare the cross section for exclusive $J/\psi$ photoproduction calculated at NLO in the collinear factorization approach with HERA and LHCb data. Using the optimum scale formalism together with the subtraction of the low $k_t<Q_0$ contribution from the NLO coefficient function to avoid double counting we show that the existing global parton distribution functions (PDFs) are consistent with the data within their uncertainties. [...]
arXiv:1908.08398; CERN-TH-2019-137; IPPP/19/65; LTH 1213.-
2020-05-14 - 9 p.
- Published in : Phys. Rev. D 101 (2020) 094011
Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
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Towards a determination of the low $x$ gluon via exclusive $J/\psi$ production
/ Flett, C.A. (Liverpool U., Dept. Math.) ; Jones, S.P. (CERN) ; Martin, A.D. (Durham U., IPPP) ; Ryskin, M.G. (Durham U., IPPP ; St. Petersburg, INP) ; Teubner, T. (Liverpool U., Dept. Math.)
We discuss how the stability of the theoretical prediction for exclusive $J/\psi$ photoproduction has been improved through a systematic taming of the known $\overline{\text{MS}}$ coefficient functions by accounting for a formally power suppressed, but numerically significant, correction encoded within a $Q_0$ cut. The phenomenological implications of this will be emphasised meaning, ultimately, the possibility to include the exclusive data into a global fitter framework to provide constraints on the small $x$ gluon..
arXiv:1907.06471; CERN-TH-2019-107; IPPP/19/53; LTH 1209.-
SISSA, 2019-07-03 - 6 p.
- Published in : PoS DIS2019 (2019) 053
Fulltext: PoS(DIS2019)053 - PDF; 1907.06471 - PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.053
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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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Linear Collider Physics Resource Book for Snowmass 2001 - Part 1: Introduction
/ Abe, T. (SLAC) ; Arkani-Hamed, N. (LBL, Berkeley) ; Asner, D. (LLNL, Livermore) ; Baer, H. (Florida State U.) ; Bagger, J. (Johns Hopkins U.) ; Balazs, C. (Hawaii U.) ; Baltay, C. (Yale U.) ; Barker, T. (Colorado U.) ; Barklow, T. (SLAC) ; Barron, J. (Colorado U.) et al.
This Resource Book reviews the physics opportunities of a next-generation e+e- linear collider and discusses options for the experimental program. [...]
hep-ex/0106055 ; BNL-52627 ; CLNS-01-1729 ; LBNL-47813 ; SLAC-R-570 ; UCRL-ID-143810-DR ; LC-REV-2001-074-US ; FERMILAB-PUB-01-058-E.
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70 p.
Fermilab Library Server (fulltext available) - Full text - Fermilab Library
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