CERN Accelerating science

Preprints

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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.
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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.
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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.
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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.
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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.
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2017-05-27
07:19
GAMBIT: The Global and Modular Beyond-the-Standard-Model Inference Tool / Athron, Peter (Monash U.) ; Balazs, 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.) ; Dickinson, Hugh (Minnesota U.) ; Edsjö, Joakim (Stockholm U., OKC ; Stockholm U.) et al.
We describe the open-source global fitting package GAMBIT: the Global And Modular Beyond-the-Standard-Model Inference Tool. [...]
arXiv:1705.07908.
- 67 p.
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2017-05-27
07:19
Characterisation of novel prototypes of monolithic HV-CMOS pixel detectors for high energy physics experiments / Terzo, Stefano (Barcelona, IFAE) ; Cavallaro, Emanuele (Barcelona, IFAE) ; Casanova, Raimon (Barcelona, IFAE) ; Di Bello, Francesco (Geneva U.) ; Förster, Fabian (Barcelona, IFAE) ; Grinstein, Sebastian (Barcelona, IFAE ; ICREA, Barcelona) ; Períc, Ivan (KIT, Karlsruhe) ; Puigdengoles, Carles (Barcelona, IFAE) ; Ristic, Branislav (Geneva U. ; CERN) ; Pinto, Mateus Vicente Barrero (Geneva U.) et al.
An upgrade of the ATLAS experiment for the High Luminosity phase of LHC is planned for 2024 and foresees the replacement of the present Inner Detector (ID) with a new Inner Tracker (ITk) completely made of silicon devices. [...]
arXiv:1705.05146.
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2017-05-27
07:19
$H \rightarrow e^+ e^- $ at CEPC: ISR effect with MadGraph / Chen, Cheng (Peking U. ; Peking U., SKLNPT) ; Cui, Zhenwei (Peking U. ; Peking U., SKLNPT) ; Li, Gang (Beijing, GUCAS ; Beijing, Inst. High Energy Phys. ; Anhui U.) ; Li, Qiang (Peking U. ; Peking U., SKLNPT ; Beijing, GUCAS ; Peking U., SKLNPT) ; Ruan, Manqi (Beijing, GUCAS ; Beijing, Inst. High Energy Phys. ; CERN) ; Wang, Lei (Peking U. ; Yantai U. ; Yantai U. ; Peking U., SKLNPT) ; Yan, Qi-shu (Beijing, GUCAS ; Peking U., CHEP ; Taiwan, Natl. Tsing Hua U.)
The Circular Electron Positron Collider (CEPC) is a future Higgs factory proposed by the Chinese high energy physics community. [...]
arXiv:1705.04486.
- 8 p.
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