CERN Accelerating science

CERN Preprints

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2017-05-29
07:16
Vacuum System / Baglin, V. ; Chiggiato, P. ; Cruikshank, P. ; Gallilee, M. ; Garion, C. ; Kersevan, R.
Chapter 12 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design Report. [...]
arXiv:1705.09499 ; CERN-YELLOW-REPORT-CERN-2015-005 ; PP.195-205.
- 11 p.
Preprint

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2017-05-29
07:16
Lattice implementation of Abelian gauge theories with Chern-Simons number and an axion field / Figueroa, Daniel G. ; Shaposhnikov, Mikhail
Real time evolution of classical gauge fields is relevant for a number of applications in particle physics and cosmology, ranging from the early Universe to dynamics of quark-gluon plasma. [...]
arXiv:1705.09629 ; CERN-TH-2017-116.
- 30 p.
Preprint

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2017-05-29
06:05
Overview of the Large Hadron Collider and of the ATLAS and CMS experiments / Nisati, Aleandro (INFN, Rome) ; Sharma, Vivek (UC, San Diego)
The Large Hadron Collider is the most powerful particle accelerator ever built. It has allowed the discovery of a Higgs boson with mass near 125 GeV in 2012 by the ATLAS and CMS experiments. [...]
2016 - 24 p. - Published in : 10.1142/9789814425452_0004

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2017-05-27
07:20
An Etude on Global Vacuum Energy Sequester / D'Amico, Guido ; Kaloper, Nemanja ; Padilla, Antonio ; Stefanyszyn, David ; Westphal, Alexander ; Zahariade, George
Recently two of the authors proposed a mechanism of vacuum energy sequester as a means of protecting the observable cosmological constant from quantum radiative corrections. [...]
CERN-TH-2017-115 ; DESY-17-080 ; arXiv:1705.08950.
- 18 p.
Preprint

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2017-05-27
07:20
Momentum-space resummation for transverse observables and the Higgs $p_\perp$ at N$^3$LL+NNLO / Bizon, Wojciech ; Monni, Pier Francesco ; Re, Emanuele ; Rottoli, Luca ; Torrielli, Paolo
We present an approach to the momentum-space resummation of global, recursive infrared and collinear safe observables featuring kinematic zeros away from the Sudakov limit. [...]
OUTP-17-05P ; CERN-TH-2017-111 ; LAPTH-018-17 ; arXiv:1705.09127.
- 49 p.
Full text

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2017-05-27
07:20
PERLE: Powerful Energy Recovery Linac for Experiments - Conceptual Design Report / Angal-Kalinin, D. (Daresbury) ; Arduini, G. (CERN) ; Auchmann, B. (CERN) ; Bernauer, J. (MIT) ; Bogacz, A. (Jefferson Lab) ; Bordry, F. (CERN) ; Bousson, S. (Orsay, IPN) ; Bracco, C. (CERN) ; Brüning, O. (CERN) ; Calaga, R. (CERN) et al.
A conceptual design is presented of a novel ERL facility for the development and application of the energy recovery technique to linear electron accelerators in the multi-turn, large current and large energy regime. [...]
arXiv:1705.08783.
- 112 p.
Preprint

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2017-05-27
07:20
Absence of jet quenching in peripheral nucleus-nucleus collisions / Morsch, Andreas (CERN) ; Loizides, Constantin (LBL, Berkeley)
Medium effects on the production of high-$p_{\rm T}$ particles in nucleus-nucleus (AA) collisions are generally quantified by the nuclear modification factor ($R_{\rm AA}$), defined to be unity in absence of nuclear effects. [...]
arXiv:1705.08856.
- 11 p.
Full text

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2017-05-27
07:20
FlavBit: A GAMBIT module for computing flavour observables and likelihoods / Bernlochner, Florian U. (Bonn U.) ; Chrząszcz, Marcin (Zurich U. ; Cracow, INP) ; Dal, Lars A. (Oslo U.) ; Farmer, Ben (Stockholm U., OKC ; Stockholm U.) ; Jackson, Paul (Adelaide U.) ; Kvellestad, Anders (Nordita) ; Mahmoudi, Farvah (Lyon, Ecole Normale Superieure ; CERN ; Inst. U. de France) ; Putze, Antje (Annecy, LAPTH) ; Rogan, Christopher (Harvard U.) ; Scott, Pat (Imperial Coll., London) et al.
Flavour physics observables are excellent probes of new physics up to very high energy scales. [...]
arXiv:1705.07933.
- 24 p.
Full text

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2017-05-27
07:20
Global fits of GUT-scale SUSY models with GAMBIT / Athron, Peter (Monash U.) ; Balázs, Csaba (Monash U.) ; Bringmann, Torsten (Oslo U.) ; Buckley, Andy (Glasgow U.) ; Chrząszcz, Marcin (Zurich U. ; Cracow, INP) ; Conrad, Jan (Stockholm U., OKC ; Stockholm U.) ; Cornell, Jonathan M. (McGill U.) ; Dal, Lars A. (Oslo U.) ; Edsjö, Joakim (Stockholm U., OKC ; Stockholm U.) ; Farmer, Ben (Stockholm U., OKC ; Stockholm U.) et al.
We present the most comprehensive global fits to date of three supersymmetric models motivated by grand unification: the Constrained Minimal Supersymmetric Standard Model (CMSSM), and its Non-Universal Higgs Mass generalisations NUHM1 and NUHM2. [...]
arXiv:1705.07935.
- 50 p.
Full text

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2017-05-27
07:19
A global fit of the MSSM with GAMBIT / Athron, Peter (Monash U.) ; Balázs, Csaba (Monash U.) ; Bringmann, Torsten (Oslo U.) ; Buckley, Andy (Glasgow U.) ; Chrząszcz, Marcin (Zurich U. ; Cracow, INP) ; Conrad, Jan (Stockholm U., OKC ; Stockholm U.) ; Cornell, Jonathan M. (McGill U.) ; Dal, Lars A. (Oslo U.) ; Edsjö, Joakim (Stockholm U., OKC ; Stockholm U.) ; Farmer, Ben (Stockholm U., OKC ; Stockholm U.) et al.
We study the seven-dimensional Minimal Supersymmetric Standard Model (MSSM7) with the new GAMBIT software framework, with all parameters defined at the weak scale. [...]
arXiv:1705.07917.
- 30 p.
Full text

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