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2018-11-11
04:28
All-orders behaviour and renormalons in top-mass observables / Ferrario Ravasio, Silvia (INFN, Milan Bicocca ; Milan Bicocca U.) ; Nason, Paolo (CERN ; INFN, Milan Bicocca) ; Oleari, Carlo (INFN, Milan Bicocca ; Milan Bicocca U.)
We study a simplified model of top production and decay, consisting in a virtual vector boson $W^*$ decaying into a massive-massless $t$-$\bar{b}$ quark-antiquark pair. [...]
arXiv:1810.10931. - 51 p.

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2018-11-11
04:28
Optical trapping of anti-hydrogen towards an atomic anti-clock / Crivelli, P. (Zurich, ETH) ; Kolachevsky, N. (Lebedev Inst.)
The Anti-Matter Factory at CERN is gearing up, commissioning of the Extra Low ENergy Antiprotons (ELENA) ring is ongoing and the first anti-protons are foreseen to circulate in the decelerator very soon. [...]
arXiv:1707.02214. - 7 p.
Preprint

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2018-11-09
08:54
Coupling QCD-scale axion-like particles to gluons / Aloni, Daniel ; Soreq, Yotam ; Williams, Mike
We present a novel data-driven method for determining the hadronic interaction strengths of axion-like particles (ALPs) with QCD-scale masses. [...]
arXiv:1811.03474 ; CERN-TH-2018-237 ; MIT-CTP/5080. - 18 p.
Fulltext

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2018-11-09
08:54
$\mathcal{O}(a)$ improved quark mass renormalization for a non-perturbative matching of HQET to three-flavor QCD / Fritzsch, Patrick ; Heitger, Jochen ; Kuberski, Simon
The use of Heavy Quark Effective Theory (HQET) on the lattice as an approach to B-physics phenomenology is based on a non-perturbative matching of HQET to QCD in finite volume. [...]
arXiv:1811.02591 ; CERN-TH-2018-236 ; MS-TP-18-26. - 7 p.

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2018-11-09
08:54
Overview of recent femtoscopy measurements with ALICE / Janik, Małgorzata Anna
One of the key methods used in the study of the Quark-Gluon Plasma (QGP) is femtoscopy, the technique of measuring short-range two-particle correlations as a function of relative momentum. [...]
arXiv:1811.02828. -

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2018-11-09
08:54
Sensitivity of the SHiP experiment to Heavy Neutral Leptons
Heavy Neutral Leptons (HNLs) are hypothetical particles predicted by many extensions of the Standard Model. [...]
arXiv:1811.00930. -

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2018-11-09
08:54
Holographic duals of 6d RG flows / De Luca, G. Bruno (Milan Bicocca U. ; INFN, Milan Bicocca) ; Gnecchi, Alessandra (CERN) ; Lo Monaco, Gabriele (Milan Bicocca U. ; INFN, Milan Bicocca) ; Tomasiello, Alessandro (Milan Bicocca U. ; INFN, Milan Bicocca)
A notable class of superconformal theories (SCFTs) in six dimensions is parameterized by an integer $N$, an ADE group $G$, and two nilpotent elements $\mu_\mathrm{L,R}$ in $G$. [...]
arXiv:1810.10013. - 33 p.

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2018-11-09
08:54
External Electron Injection for the AWAKE Experiment / Turner, Marlene (CERN ; Heidelberg, Max Planck Inst.) ; Bracco, Chiara (CERN) ; Gessner, Spencer (CERN ; Heidelberg, Max Planck Inst.) ; Goddard, Brennan (CERN ; Heidelberg, Max Planck Inst.) ; Gschwendtner, Edda (CERN ; Heidelberg, Max Planck Inst.) ; Muggli, Patric (CERN ; Heidelberg, Max Planck Inst.) ; Asmus, Felipe Pena (CERN ; Heidelberg, Max Planck Inst.) ; Velotti, Francesco (CERN ; Heidelberg, Max Planck Inst.) ; Verra, Livio (CERN ; Heidelberg, Max Planck Inst.)
We summarize and explain the realization of witness particle injection into wakefields for the AWAKE experiment. [...]
arXiv:1810.04202. - 5 p.
Fulltext

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2018-11-09
08:36
Serenity - An ATCA prototyping platform for CMS Phase-2 / Rose, Andrew (Imperial Coll., London) /CMS Collaboration
Serenity is an ATCA prototyping platform designed to explore alternative, novel design choices for CMS Phase-2. It uses a newly available interconnect technology from Samtec (Z-RAY) to mount a removable processing unit (FPGA) that should mitigate risk and provides significant flexibility in processing unit choice and connectivity. [...]
CMS-CR-2018-327.- Geneva : CERN, 2018 - 6 p. Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics, Antwerp, Belgique, 17 - 21 Sep 2018

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2018-11-09
08:36
Design and performance of the upgrade of the CMS L1 trigger / Davignon, Olivier (Bristol U.) /CMS Collaboration
During its second run of operation, the LHC delivered proton-proton collisions at a centre-of-mass energy of 13 TeV with a peak instantaneous luminosity larger than $2 \cdot 10^{34}$ cm$^{-2}$s$^{-1}$, more than double the peak luminosity reached during Run1 and far larger than the design value. The upgraded CMS Level-1 trigger is designed to improve the performance at high luminosity and large number of simultaneous inelastic collisions per crossing (pile-up). [...]
CMS-CR-2018-266.- Geneva : CERN, 2018 - 6 p. Fulltext: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Kor, 4 - 11 Jul 2018

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