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2018-06-21
14:15
Observation of the decay $\Lambda^0_b\rightarrow\psi(2S)p\pi^-$
The Cabibbo-suppressed decay $\Lambda^0_b\rightarrow\psi(2S)p\pi^-$ is observed for the first time using a data sample collected by the LHCb experiment in proton-proton collisions corresponding to 1.0, 2.0 and 1.9fb$^{-1}$ of integrated luminosity at centre-of-mass energies of 7, 8 and 13TeV, respectively. [...]
CERN-EP-2018-156 ; LHCB-PAPER-2018-022. - 2018.
Fulltext - Related data file(s) - Supplementary information

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2018-06-21
06:49
ENLIGHT and LEIR biomedical facility / Dosanjh, M (CERN) ; Cirilli, M (CERN) ; Navin, S (CERN)
Particle therapy (including protons and carbon ions) allows a highly conformal treatment of deep-seated tumours with good accuracy and minimal dose to surrounding tissues, compared to conventional radiotherapy using X-rays. [...]
2014. - 7 p.

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2018-06-21
06:49
Towards Green Big Data at CERN / Niemi, Tapio (Helsinki Inst. of Phys. ; Reaktor, Helsinki) ; Nurminen, Jukka K (Helsinki Inst. of Phys. ; VTT Electronics, Espoo ; Aalto U.) ; Liukkonen, Juha-Matti (Reaktor, Helsinki) ; Hameri, Ari-Pekka (Helsinki Inst. of Phys. ; Lausanne U.)
High-energy physics studies collisions of particles traveling near the speed of light. [...]
2017. - 11 p.

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2018-06-21
06:49
Development and properties of high thermal conductivity molybdenum carbide - graphite composites / Guardia-Valenzuela, Jorge (CERN ; U. Zaragoza (main)) ; Bertarelli, Alessandro (CERN) ; Carra, Federico (CERN ; Polytech. Turin) ; Mariani, Nicola (Euratom, St. Paul Lez Durance) ; Bizzaro, Stefano (Brevetti BIZZ, San Bonifacio) ; Arenal, Raul (U. Zaragoza (main) ; ARAID, Zaragoza)
A family of novel graphite-based composites reinforced with a dispersion of molybdenum carbide particles, with very high thermal and electrical properties, has been recently developed at CERN, in collaboration with Brevetti Bizz (IT), for applications in particle accelerators. [...]
2018. - 13 p.
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2018-06-20
08:56
Search for the Higgs boson produced in association with a vector boson and decaying into two spin-zero particles in the $H \rightarrow aa \rightarrow 4b$ channel in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for exotic decays of the Higgs boson into a pair of spin-zero particles, $H \rightarrow aa$, where the $a$-boson decays into $b$-quarks promptly or with a mean proper lifetime $c\tau_a$ up to 6 mm and has a mass in the range of $20-60$ GeV, is presented. [...]
CERN-EP-2018-128. - 2018.
Fulltext - Previous draft version

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2018-06-19
13:55
$ZZ$ production at the LHC: NNLO predictions for $2\ell2\nu$ and $4\ell$ signatures / Kallweit, Stefan ; Wiesemann, Marius
We consider QCD radiative corrections to $ZZ$ production for all experimentally relevant leptonic processes. [...]
CERN-TH-2018-127 ; CERN-TH-2018-127 ; arXiv:1806.05941. - 14 p.
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2018-06-19
13:55
The upgrade of the RPC-based ALICE Muon Trigger / Ferretti, A.
The ALICE Muon Trigger is currently yielded by a detector currently composed of 72 Bakelite single-gap Resistive Plate Chambers operated in maxi-avalanche mode, arranged in four 5.5x6.5 m2 detection planes. [...]
arXiv:1806.05879. -
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2018-06-19
13:54
Constraining anomalous gluon self-interactions at the LHC: a reappraisal / Hirschi, V. ; Maltoni, F. ; Tsinikos, I. ; Vryonidou, E.
Anomalous self-interactions of non-abelian gauge fields can be described by higher dimensional operators featuring gauge-invariant combinations of the field strengths. [...]
CP3-18-35 ; TUM-HEP-1145/18 ; CERN-TH-2018-136 ; arXiv:1806.04696 ; CP3-18-35 ; TUM-HEP-1145-18 ; CERN-TH-2018-136. - 33 p.
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2018-06-19
13:54
Characterization of a depleted monolithic pixel sensors in 150 nm CMOS technology for the ATLAS Inner Tracker upgrade / Iguaz, F.J. (AIM, Saclay) ; Balli, F. (AIM, Saclay) ; Barbero, M. (Marseille, CPPM) ; Bhat, S. (Marseille, CPPM) ; Breugnon, P. (Marseille, CPPM) ; Caicedo, I. (Bonn U.) ; Chen, Z. (Marseille, CPPM) ; Degerli, Y. (AIM, Saclay) ; Godiot, S. (Marseille, CPPM) ; Guilloux, F. (AIM, Saclay) et al.
This work presents a depleted monolithic active pixel sensor (DMAPS) prototype manufactured in the LFoundry 150\,nm CMOS process. [...]
arXiv:1806.04400. - 2 p.
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2018-06-19
13:54
Charged particle timing at sub-25 picosecond precision: the PICOSEC detection concept / Iguaz, F.J. (AIM, Saclay) ; Bortfeldt, J. (CERN) ; Brunbauer, F.M. (CERN) ; David, C. (CERN) ; Desforge, D. (AIM, Saclay) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) ; Franchi, J. (CERN) ; Gallinaro, M. (LIP, Lisbon) ; García, F. (Helsinki U.) ; Giomataris, I. (AIM, Saclay) et al.
The PICOSEC detection concept consists in a "two-stage" Micromegas detector coupled to a Cherenkov radiator and equipped with a photocathode. [...]
arXiv:1806.04395. - 4 p.
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