2019-08-19
04:44 |
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2019-08-14
05:35 |
Numerical exploration of three relativistic particles in a finite volume including two-particle resonances and bound states
/ Romero-López, Fernando (Valencia U., IFIC) ; Sharpe, Stephen R. (Washington U., Seattle) ; Blanton, Tyler D. (Washington U., Seattle) ; Briceño, Raúl A. (Jefferson Lab ; Old Dominion U.) ; Hansen, Maxwell T. (CERN)
In this work, we use an extension of the quantization condition, given in Ref. [1], to numerically explore the finite-volume spectrum of three relativistic particles, in the case that two-particle subsets are either resonant or bound. [...]
arXiv:1908.02411; JLAB-THY-19-3011; CERN-TH-2019-129.-
2019-10-03 - 42 p.
- Published in : JHEP 1910 (2019) 007
Article from SCOAP3: PDF; Fulltext: PDF; External link: JLab Document Server
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2019-07-30
04:38 |
Associated production of a Higgs boson decaying into bottom quarks and a weak vector boson decaying leptonically at NNLO in QCD
/ Gauld, R. (Nikhef, Amsterdam) ; Gehrmann-De Ridder, A. (Zurich, ETH ; Zurich U.) ; Glover, E.W.N. (Durham U., IPPP) ; Huss, A. (CERN) ; Majer, I. (Zurich, ETH)
We present the calculation of next-to-next-to-leading order (NNLO) corrections in perturbative QCD for the production of a Higgs boson decaying into a pair of bottom quarks in association with a leptonically decaying weak vector boson: $\mathrm{pp} \to V \mathrm{H} + X \to \ell\bar{\ell}\;\mathrm{b\bar{b}} + X$. We consider the corrections to both the production and decay sub-processes, retaining a fully differential description of the final state including off-shell propagators of the Higgs and vector boson. [...]
arXiv:1907.05836; NIKHEF 2019-030; ZU-TH 35/19; IPPP/19/61; CERN-TH-2019-113.-
2019-10-03 - 34 p.
- Published in : JHEP 1910 (2019) 002
Article from SCOAP3: PDF; Fulltext: PDF;
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2019-07-28
04:45 |
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2019-07-19
04:20 |
Quantum Fishchain in $AdS_5$
/ Gromov, Nikolay (King's Coll. London, Dept. Math ; St. Petersburg, INP) ; Sever, Amit (Tel Aviv U. ; CERN)
In our previous paper we derived the holographic dual of the planar fishnet CFT in four dimensions. The dual model becomes classical in the strongly coupled regime of the CFT and takes the form of an integrable chain of particles in five dimensions. [...]
arXiv:1907.01001; CERN-TH-2019-143.-
2019-10-08 - 39 p.
- Published in : JHEP 1910 (2019) 085
Article from SCOAP3: PDF; Fulltext: PDF;
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2019-07-18
05:08 |
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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2019-07-11
04:38 |
An analytic solution for the equal-mass banana graph
/ Broedel, Johannes (Humboldt U., Berlin) ; Duhr, Claude (CERN ; Louvain U., CP3) ; Dulat, Falko (SLAC) ; Marzucca, Robin (Louvain U., CP3) ; Penante, Brenda (CERN) ; Tancredi, Lorenzo (CERN)
We present fully analytic results for all master integrals for the three-loop banana graph with four equal and non-zero masses. The results are remarkably simple and all integrals are expressed as linear combinations of iterated integrals of modular forms of uniform weight for the same congruence subgroup as for the two-loop equal-mass sunrise graph. [...]
arXiv:1907.03787; CP3-19-34; CERN-TH-2019-105; HU-Mathematik-2019-04; HU-EP-19/20, SLAC-PUB-17453.-
2019-09-16 - 36 p.
- Published in : JHEP 1909 (2019) 112
Article from SCOAP3: PDF; Fulltext: PDF;
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2019-07-10
04:09 |
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2019-07-04
05:02 |
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2019-06-30
05:00 |
Using Forward-Backward Drell-Yan Asymmetry in PDF Determinations
/ Fiaschi, Juri (Munster U., ITP) ; Accomando, Elena (Southampton U.) ; Hautmann, Francesco (Oxford U. ; CERN) ; Moretti, Stefano (Southampton U.)
We study the impact of the inclusion of Neutral Current (NC) DY data from LHC mapped in the Forward-Backward Asymmetry ($A_{\rm FB}$) observable on PDF uncertainties, using the open source platform \texttt{xFitter}. We find that $A_{\rm FB}$ enables new PDF sensitivity at current and future luminosity stages of LHC..
arXiv:1906.11793; MS-TP-19-16; CERN-TH-2019-100.-
SISSA, 2019-07-20 - 6 p.
- Published in : PoS DIS2019 (2019) 012
Fulltext: 1906.11793 - PDF; PoS(DIS2019)012 - PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.012
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