CERN Accelerating science

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2015-03-25
18:35
Cross-Order Integral Relations from Maximal Cuts / Johansson, Henrik ; Kosower, David A ; Larsen, Kasper J ; Sogaard, Mads
We study the ABDK relation using maximal cuts of one- and two-loop integrals with up to five external legs. [...]
arXiv:1503.06711 ; CERN-PH-TH-2014-262 ; NORDITA-2014-141 ; UUITP-20-14 ; CALT-TH--2015--014 ; SACLAY IPHT--T14-239 ; NIKHEF-2014-051.
- 2015. - 58 p.
Preprint - Full text

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2015-03-25
18:31
Gluino Coannihilation Revisited / Ellis, John ; Luo, Feng ; Olive, Keith A
Some variants of the MSSM feature a strip in parameter space where the lightest neutralino is identified as the lightest supersymmetric particle (LSP), the gluino is the next-to-lightest supersymmetric particle (NLSP) and is nearly degenerate with the LSP, and the relic cold dark matter density is brought into the range allowed by astrophysics and cosmology by coannihilation with the gluino NLSP. [...]
arXiv:1503.07142 ; KCL-PH-TH-2015-12 ; LCTS-2015-04 ; CERN-PH-TH-2015-049 ; UMN--TH--3424-15 ; FTPI--MINN--15-10.
- 2015. - 35 p.
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2015-03-25
18:10
Matching NLO QCD with parton shower in Monte Carlo scheme - the KrkNLO method / Jadach, S ; Placzek, W ; Sapeta, S ; Siodmok, A ; Skrzypek, M
A new method of including the complete NLO QCD corrections to hard processes in the LO parton-shower Monte Carlo (PSMC) is presented. [...]
arXiv:1503.06849 ; IFJPAN-IV-2015-1 ; CERN-PH-TH-2015-061 ; MCNET-15-06.
- 2015. - 43 p.
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2015-03-25
18:10
Higgs boson gluon-fusion production in N3LO QCD / Anastasiou, Charalampos ; Duhr, Claude ; Dulat, Falko ; Herzog, Franz ; Mistlberger, Bernhard
We present the cross-section for the production of a Higgs boson at hadron-colliders at next-to- next-to-next-to-leading order (N3LO) in perturbative QCD. [...]
arXiv:1503.06056 ; CERN-PH-TH-2015-055 ; CP3-15-07.
- 2015. - 5 p.
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2015-03-25
18:10
Constraining Dark Sectors with Monojets and Dijets / Chala, Mikael (DESY) ; Kahlhoefer, Felix (DESY) ; McCullough, Matthew (CERN) ; Nardini, Germano (DESY) ; Schmidt-Hoberg, Kai (DESY)
We consider dark sector particles (DSPs) that obtain sizeable interactions with Standard Model fermions from a new mediator. [...]
arXiv:1503.05916 ; DESY 15-036 ; CERN-PH-TH-2015-057.
- 2015. - 28 p.
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2015-03-25
18:10
Anomalous triple gauge couplings from $B$-meson and kaon observables / Bobeth, Christoph ; Haisch, Ulrich
We consider the three CP-conserving dimension-6 operators that encode the leading new-physics effects in the triple gauge couplings. [...]
arXiv:1503.04829 ; FLAVOUR(267104)-ERC-93 ; CERN-PH-TH-2015-041.
- 2015. - 17 p.
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2015-03-25
18:07
Doubly Self-Dual Actions in Various Dimensions / Ferrara, S ; Sagnotti, A ; Yeranyan, A
The self-duality of the N=1 supersymmetric Born--Infeld action implies a double self-duality of the tensor multiplet square-root action when the scalar and the antisymmetric tensor are interchanged via Poincare' duality. [...]
arXiv:1503.04731 ; CERN-PH-TH-2015-050.
- 2015. - 17 p.
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2015-03-25
18:01
A String-Inspired Model for the Low-$\ell$ CMB / Kitazawa, N ; Sagnotti, A
We present a detailed exploration of a family of low--$\ell$ angular power spectra inspired by "Brane Supersymmetry Breaking". [...]
arXiv:1503.04483 ; CERN-PH-TH-2015-052.
- 2015. - 12 p.
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2015-03-13
07:53
Improved TMD factorization for forward dijet production in dilute-dense hadronic collisions / Kotko, P ; Kutak, K ; Marquet, C ; Petreska, E ; Sapeta, S ; van Hameren, A
We study forward dijet production in dilute-dense hadronic collisions. [...]
arXiv:1503.03421 ; CERN-PH-TH-2015-045 ; CPHT-RR005.0315 ; IFJPAN-IV-2015-2.
- 2015. - 34 p.
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2015-03-13
07:51
Mass Measurement Using Energy Spectra in Three-body Decays / Agashe, Kaustubh ; Franceschini, Roberto ; Kim, Doojin ; Wardlow, Kyle
In previous works we have demonstrated how the energy distribution of massless decay products in two body decays can be used to measure the mass of decaying particles. [...]
arXiv:1503.03836 ; UMD-PP-015-004 ; CERN-PH-TH-2015-033.
- 2015. - 41 p.
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