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2015-04-01
17:02
Search for New Phenomena in Dijet Angular Distributions in Proton-Proton Collisions at $\sqrt{s} = 8$ TeV Measured with the ATLAS Detector
A search for new phenomena in LHC proton-proton collisions at a center-of-mass energy of $\sqrt{s}=8$ TeV was performed with the ATLAS detector using an integrated luminosity of 17.3 fb$^{-1}$. [...]
CERN-PH-EP-2015-067.
- 2015.
Fulltext - Previous draft version

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2015-04-01
07:57
Two-loop helicity amplitudes for the production of two off-shell electroweak bosons in gluon fusion / Caola, Fabrizio (CERN) ; Henn, Johannes M (Princeton U.) ; Melnikov, Kirill (Karlsruhe, Inst. Technol) ; Smirnov, Alexander V (Lomonosov Moscow State U.) ; Smirnov, Vladimir A (SINP, Moscow)
We compute the part of the two-loop virtual amplitude for the process $gg \to V_1 V_2 \to (l_1 \bar l'_{1}) (l_2 \bar l'_2)$, where $V_{1,2}$ are arbitrary electroweak gauge bosons, that receives contributions from loops of massless quarks. [...]
arXiv:1503.08759 ; TTP15-013 ; CERN-PH-TH-2015-069.
- 2015. - 15 p.
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2015-04-01
07:57
Effective operators in SUSY, superfield constraints and searches for a UV completion / Dudas, E (Ecole Polytechnique, CPHT ; DESY) ; Ghilencea, D M (CERN ; Bucharest, IFIN-HH)
We discuss the role of a class of higher dimensional operators in 4D N=1 supersymmetric effective theories. [...]
arXiv:1503.08319 ; CERN-PH-TH-2015-048 ; CPHT-RR-008.0315.
- 2015. - 30 p.
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2015-04-01
07:54
Coherent $\rho^0$ photoproduction in ultra-peripheral Pb--Pb collisions at $\mathbf{\sqrt{\textit{s}_{\rm NN}}} = 2.76$ TeV / ALICE Collaboration
We report the first measurement at the LHC of coherent photoproduction of $\rho^0$ mesons in ultra-peripheral Pb-Pb collisions. [...]
arXiv:1503.09177 ; CERN-PH-EP-2015-082.
- 2015. - 23 p.
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2015-04-01
07:54
Potential performance for Pb-Pb, p-Pb and p-p collisions in a future circular collider / Schaumann, Michaela (CERN)
The hadron collider studied in the Future Circular Collider (FCC) project could operate with protons and lead ions in similar operation modes as the LHC. [...]
arXiv:1503.09107.
- 2015. - 23 p.
Preprint

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2015-04-01
07:54
The Spin Structure Function $g_1^{\rm p}$ of the Proton and a Test of the Bjorken Sum Rule / Adolph, C ; Akhunzyanov, R ; Alexeev, M G ; Alexeev, G D ; Amoroso, A ; Andrieux, V ; Anosov, V ; Austregesilo, A ; Azevedo, C ; Badelek, B et al.
New results for the double spin asymmetry $A_1^{\rm p}$ and the proton longitudinal spin structure function $g_1^{\rm p}$ are presented. [...]
arXiv:1503.08935.
- 2015. - 19 p.
Preprint

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2015-04-01
07:54
Search for New Physics in SHiP and at future colliders / Graverini, Elena (Zurich U.) ; Serra, Nicola (Zurich U.) ; Storaci, Barbara (Zurich U.)
SHiP is a newly proposed fixed-target experiment at the CERN SPS with the aim of searching for hidden particles that interact very weakly with SM particles. [...]
arXiv:1503.08624.
- 2015. - 5 p.
Preprint

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2015-04-01
07:52
Phenomenological Aspects of No-Scale Inflation Models / Ellis, John (King’s Coll. London ; CERN) ; Garcia, Marcos A G (Minnesota U.) ; Nanopoulos, Dimitri V (Texas A-M ; HARC, Woodlands ; Athens Academy) ; Olive, Keith A (Minnesota U.)
We discuss phenomenological aspects of no-scale supergravity inflationary models motivated by compactified string models, in which the inflaton may be identified either as a K\"ahler modulus or an untwisted matter field, focusing on models that make predictions for the scalar spectral index $n_s$ and the tensor-to-scalar ratio $r$ that are similar to the Starobinsky model. [...]
arXiv:1503.08867 ; KCL-PH-TH-2015-14 ; LCTS-2015-06 ; CERN-PH-TH-2015-064 ; ACT-03-15 ; UMN-TH-3426-15 ; FTPI-MINN-15-12.
- 2015. - 41 p.
Preprint - Full text

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2015-04-01
07:52
Non-linear curvature inhomogeneities and backreaction for relativistic viscous fluids / Giovannini, Massimo (CERN ; INFN, Milan)
The non-perturbative curvature inhomogeneities induced by relativistic viscous fluids are not conserved in the large-scale limit. [...]
arXiv:1503.08739 ; CERN-PH-TH-2015-068.
- 2015. - 25 p.
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2015-03-31
19:44
Physics at CLIC / Redford, Sophie (CERN) ; Roloff, Philipp Gerhard (CERN)
CLIC is a concept for a future linear collider which would use two-beam acceleration to produce e+e- collisions with a centre-of-mass energy of 3 TeV. A staging scenario would also provide collisions at lower centre-of-mass energies, provisionally 350 GeV and 1.4 TeV. [...]
CLICdp-Conf-2015-003.- Geneva : CERN, 2015 - 12. Fulltext: PDF;

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