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CERN Theory

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2014-10-23
07:58
Resurgent Analysis of Localizable Observables in Supersymmetric Gauge Theories / Aniceto, Inês ; Russo, Jorge G ; Schiappa, Ricardo
Localization methods have recently led to a plethora of new exact results in supersymmetric gauge theories, as certain observables may be computed in terms of matrix integrals. [...]
arXiv:1410.5834 ; CERN-PH-TH-2014-118.
- 2014. - 52 p.
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2014-10-23
07:58
Matching the $D^6 {\cal R}^4$ interaction at two-loops / D'Hoker, Eric ; Green, Michael B ; Pioline, Boris ; Russo, Rodolfo
The coefficient of the $D^6 {\cal R}^4$ interaction in the low energy expansion of the two-loop four-graviton amplitude in type II superstring theory is known to be proportional to the integral of the Zhang-Kawazumi (ZK) invariant over the moduli space of genus-two Riemann surfaces. [...]
arXiv:1405.6226 ; NSF-KITP-14045 ; DAMTP-2014-22 ; QMUL-PH-14-11 ; CERN-PH-TH-2014-079.
- 2014. - 40 p.
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2014-10-20
08:00
Exploring CP Violation in the MSSM / Arbey, A ; Ellis, J ; Godbole, R M ; Mahmoudi, F
We explore the prospects for observing CP violation in the minimal supersymmetric extension of the Standard Model (MSSM) with six CP-violating parameters, three gaugino mass phases and three phases in trilinear soft supersymmetry-breaking parameters, using the CPsuperH code combined with a geometric approach to maximize CP-violating observables subject to the experimental upper bounds on electric dipole moments. [...]
arXiv:1410.4824 ; KCL-PH-TH-2014-40 ; LCTS-2014-40 ; CERN-PH-TH-2014-195.
- 2014. - 36 p.
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2014-10-17
07:43
Global fits to b -> s ll data and signs for lepton non-universality / Hurth, T ; Mahmoudi, F ; Neshatpour, S
There are some slight tensions with the SM predictions within the latest LHCb measurements. [...]
arXiv:1410.4545 ; CERN-PH-TH-2014-198 ; MITP-14-078.
- 2014. - 15 p.
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2014-10-14
08:02
An Introduction to PYTHIA 8.2 / Sjöstrand, Torbjörn (Lund U. (main)) ; Ask, Stefan (Cambridge U. (main)) ; Christiansen, Jesper R (Lund U. (main)) ; Corke, Richard (Lund U. (main)) ; Desai, Nishita (U. Heidelberg, ITP) ; Ilten, Philip (MIT) ; Mrenna, Stephen (Fermilab) ; Prestel, Stefan (DESY ; SLAC) ; Rasmussen, Christine O (Lund U. (main)) ; Skands, Peter Z (CERN ; Monash U.)
The PYTHIA program is a standard tool for the generation of events in high-energy collisions, comprising a coherent set of physics models for the evolution from a few-body hard process to a complex multiparticle final state. [...]
arXiv:1410.3012 ; LU TP 14-36 ; MCNET-14-22 ; CERN-PH-TH-2014-190 ; FERMILAB-PUB-14-316-CD ; DESY 14-178 ; SLAC-PUB-16122.
- 2014. - 45 p.
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2014-10-13
07:46
New features of MadAnalysis 5 for analysis design and reinterpretation / Conte, Eric (Haute Alsace U., GRPHE) ; Dumont, Béranger (IBS, Daejeon ; LPSC, Grenoble) ; Fuks, Benjamin (CERN ; Strasbourg, IPHC) ; Schmitt, Thibaut (Strasbourg, IPHC)
We present MadAnalysis 5, an analysis package dedicated to phenomenological studies of simulated collisions occurring in high-energy physics experiments. [...]
arXiv:1410.2785 ; CERN-PH-TH-2014-194.
- 2014. - 5 p.
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2014-10-11
07:26
Completing Lorentz violating massive gravity at high energies / Blas, Diego (CERN) ; Sibiryakov, Sergey (CERN ; IPT, Lausanne ; Moscow, INR)
Theories with massive gravitons are interesting for a variety of physical applications, ranging from cosmological phenomena to holographic modeling of condensed matter systems. [...]
arXiv:1410.2408 ; CERN-PH-TH-2014-191 ; INR-TH-2014-021.
- 2014. - 33 p.
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2014-10-09
08:26
T^{\sigma}_{\rho}(G) Theories and Their Hilbert Series / Cremonesi, Stefano (King's Coll. London, Dept. Math ; Imperial Coll., London) ; Hanany, Amihay (Imperial Coll., London) ; Mekareeya, Noppadol (CERN) ; Zaffaroni, Alberto (Milan Bicocca U. ; INFN, Milan Bicocca)
We give an explicit formula for the Higgs and Coulomb branch Hilbert series for the class of 3d N=4 superconformal gauge theories T^{\sigma}_{\rho}(G) corresponding to a set of D3 branes ending on NS5 and D5-branes, with or without O3 planes. [...]
arXiv:1410.1548 ; KCL-MTH-14-17 ; IMPERIAL-TP-14-AH-09 ; CERN-PH-TH-2014-135.
- 2014. - 55 p.
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2014-10-07
07:29
Deformations of infrared-conformal theories in two dimensions / Akerlund, Oscar (Zurich, ETH) ; de Forcrand, Philippe (Zurich, ETH ; CERN)
We study two exactly solvable two-dimensional conformal models, the critical Ising model and the Sommerfield model, on the lattice. [...]
arXiv:1410.1178 ; CERN-PH-TH-2014-185.
- 2014. - 7 p.
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2014-10-02
07:59
Lattice gauge theory without link variables / Vairinhos, Helvio (Zurich, ETH ; Porto U.) ; de Forcrand, Philippe (Zurich, ETH ; CERN)
We obtain a sequence of alternative representations for the partition function of pure SU(N) or U(N) lattice gauge theory with the Wilson plaquette action, using the method of Hubbard-Stratonovich transformations. [...]
arXiv:1409.8442 ; CERN-PH-TH-2014-186.
- 2014. - 5 p.
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