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CERN Theory

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2014-07-30
04:17
Generalised geometry for string corrections / Coimbra, André ; Minasian, Ruben ; Triendl, Hagen ; Waldram, Daniel
We present a general formalism for incorporating the string corrections in generalised geometry, which necessitates the extension of the generalised tangent bundle. [...]
arXiv:1407.7542 ; CERN-PH-TH-2014-138 ; IMPERIAL-TP-2014-DW-03 ; IPHT-T14-105 ; ITP-UH-12-14.
- 2014. - 49 p.
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2014-07-30
04:16
Revisiting monotop production at the LHC / Boucheneb, Idir ; Cacciapaglia, Giacomo ; Deandrea, Aldo ; Fuks, Benjamin
Scenarios of new physics where a single top quark can be produced in association with large missing energy (monotop) have been recently studied both from the theoretical point of view and by experimental collaborations. [...]
arXiv:1407.7529 ; CERN-PH-TH-2014-140 ; LYCEN 2014-11.
- 2014. - 23 p.
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2014-07-28
04:07
N=4 Scattering Amplitudes and the Deformed Grassmannian / Ferro, Livia ; Lukowski, Tomasz ; Staudacher, Matthias
Some time ago the general tree-level scattering amplitudes of N=4 Super Yang-Mills theory were expressed as certain Grassmannian contour integrals. [...]
arXiv:1407.6736 ; HU-EP-14-26 ; AEI-2014-030 ; HU-MATHEMATIK-2014-16 ; CERN-PH-TH-2014-107 ; LMU-ASC 42-14.
- 2014. - 15 p.
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2014-07-24
05:01
Minimal $R+R^2$ Supergravity Models of Inflation Coupled to Matter / Ferrara, S ; Porrati, M
The supersymmetric extension of "Starobinsky" $R+\alpha R^2$ models of inflation is particularly simple in the "new minimal" formalism of supergravity, where the inflaton has no scalar superpartners. [...]
arXiv:1407.6164 ; CERN-PH-TH-2014-133.
- 2014. - 9 p.
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2014-07-22
09:25
Higher Curvature Supergravity, Supersymmetry Breaking and Inflation / Ferrara, Sergio (CERN ; Frascati ; UCLA) ; Kehagias, Alex (Natl. Tech. U., Athens ; Geneva U., Dept. Theor. Phys)
In these lectures, after a short introduction to cosmology, we discuss the supergravity embedding of higher curvature models of inflation. [...]
arXiv:1407.5187 ; CERN-PH-TH-2014-134.
- 2014.
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2014-07-21
04:36
Resurgent Transseries and the Holomorphic Anomaly: Nonperturbative Closed Strings in Local $\mathbb{C}\mathbb{P}^2$ / Couso-Santamaría, Ricardo (CERN ; Santiago de Compostela U. ; Santiago de Compostela U., IGFAE) ; Edelstein, Jose D (Santiago de Compostela U. ; Santiago de Compostela U., IGFAE ; CECS, Valdivia) ; Schiappa, Ricardo (CERN ; Lisbon, IST Maths) ; Vonk, Marcel (Amsterdam U.)
The holomorphic anomaly equations describe B-model closed topological strings in Calabi-Yau geometries. [...]
arXiv:1407.4821 ; CERN-PH-TH-2014-110.
- 2014. - 63 p.
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2014-07-21
04:35
Nonderivative Modified Gravity: a Classification / Comelli, Denis (INFN, Ferrara ; CERN) ; Nesti, Fabrizio (Boskovic Inst., Zagreb ; GSSI, Aquila) ; Pilo, Luigi (L'Aquila U. ; Gran Sasso)
We analyze the theories of gravity modified by a generic nonderivative potential built from the metric, under the minimal requirement of unbroken spatial rotations. [...]
arXiv:1407.4991 ; CERN-PH-TH-2014-132.
- 2014.
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2014-07-19
04:34
Pure Gravities via Color-Kinematics Duality for Fundamental Matter / Johansson, Henrik (CERN) ; Ochirov, Alexander (IPhT, Saclay)
We give a prescription for the computation of loop-level scattering amplitudes in pure Einstein gravity, and four-dimensional pure supergravities, using the color-kinematics duality. [...]
arXiv:1407.4772 ; CERN-PH-TH-2014-125 ; IPHT-T14-090.
- 2014. - 48 p.
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2014-07-16
05:05
Higgs Mass and Unnatural Supersymmetry / Bagnaschi, Emanuele (Paris, LPTHE) ; Giudice, Gian F (CERN) ; Slavich, Pietro (Paris, LPTHE) ; Strumia, Alessandro (Pisa U. ; INFN, Pisa ; NICPB, Tallinn)
Assuming that supersymmetry exists well above the weak scale, we derive the full one-loop matching conditions between the SM and the supersymmetric theory, allowing for the possibility of an intermediate Split-SUSY scale. [...]
arXiv:1407.4081 ; CERN-PH-TH-2014-131 ; IFUP-TH-2014.
- 2014. - 36 p.
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2014-07-16
05:05
Towards a public analysis database for LHC new physics searches using MadAnalysis 5 / Dumont, B (LPSC, Grenoble) ; Fuks, B (CERN ; Strasbourg, IPHC) ; Kraml, S (LPSC, Grenoble) ; Bein, S (Florida State U.) ; Chalons, G (LPSC, Grenoble) ; Conte, E (Haute Alsace U., GRPHE) ; Kulkarni, S (LPSC, Grenoble) ; Sengupta, D (LPSC, Grenoble) ; Wymant, C (Annecy, LAPTH)
We present the implementation, in the MadAnalysis 5 framework, of several ATLAS and CMS searches for supersymmetry in data recorded during the first run of the LHC. [...]
arXiv:1407.3278 ; CERN-PH-TH-2014-109 ; LAPTH-048-14.
- 2014. - 18 p.
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