CERN Accelerating science

Preprints

Последние добавления:
2021-08-04
04:15
The Giant Radio Array for Neutrino Detection (GRAND) Project / Kotera, Kumiko (Malta U. ; Paris, Inst. Astrophys. ; CERN)
The GRAND project aims to detect ultra-high-energy neutrinos, cosmic rays and gamma rays, with an array of $200,000$ radio antennas over $200,000\,{\rm km}^2$, split into $\sim 20$ sub-arrays of $\sim 10,000\,{\rm km}^2$ deployed worldwide. [...]
arXiv:2108.00032 ; PoS(ICRC2021)1181.
- 8 p.

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2021-08-04
04:13
A search for spectral hardening in HAWC sources above 56 TeV / Malone, Kelly (Malta U. ; Los Alamos ; CERN)
The High Altitude Water Cherenkov (HAWC) Observatory is a wide-field-of-view gamma-ray observatory that is optimized to detect gamma rays between ~300 GeV and several hundred TeV. [...]
arXiv:2107.14358.
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2021-08-04
04:13
Bright Ångstrom and Picometre Free Electron Laser Based on the LHeC Energy Recovery Linac / Nergiz, Z. (Nigde U.) ; Mirian, N.S. (CERN ; DESY) ; Aksoy, A. (Ankara U.) ; Zhou, D. (KEK, Tsukuba) ; Zimmermann, F. (CERN) ; Aksakal, H. (Kahramanmaras U.)
The Large Hadron electron Collider (LHeC) is a proposed future particle-physics project colliding 60 GeV electrons from a six-pass recirculating energy-recovery Linac (ERL) with 7 TeV protons stored in the LHC. [...]
arXiv:2107.13331.
- 13 p.

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2021-08-02
09:41
The beauty of the rare: $B_{(s)}\rightarrow \mu^{+} \mu ^{-}$ at the LHCb / Ferreres-Solé, Silvia (NIKHEF, Amsterdam)
The latest and improved measurements in $B^0_{(s)}\rightarrow\mu^+ \mu^-$ processes have been performed by LHCb using full Run 1 and Run 2 data. [...]
arXiv:2106.15995.
- 4 p.

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2021-08-02
09:41
Recent Studies of Exotic Hadrons at the LHCb Experiment / Robertson, G. (Edinburgh U. ; SUNY, Stony Brook)
Recent results on studies of exotic hadrons at the LHCb experiment are summarised. [...]
arXiv:2107.14560.
- 6 p.

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2021-07-31
04:08
Latest ALICE results on J/$\psi$ photoproduction in ultra-peripheral collisions at the LHC / Herman, T. (Lund U. ; Prague, Tech. U. ; SUNY, Stony Brook)
Ultra-peripheral collisions (UPCs), studied using the ALICE detector, allow us to investigate the low-$x$ behavior of the gluon distribution of the colliding particles. [...]
arXiv:2107.13284.
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2021-07-31
04:04
Probing effective field theory operators in the associated production of top quarks with a Z boson in multilepton final states at $\sqrt{s} = $ 13 TeV / CMS Collaboration
A search for new top quark interactions is performed within the framework of an effective field theory using the associated production of either one or two top quarks with a Z boson in multilepton final states. [...]
arXiv:2107.13896 ; CMS-TOP-21-001 ; CERN-PH-2021-126.
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2021-07-31
04:03
First-Generation New Physics in Simplified Models: From Low-Energy Parity Violation to the LHC / Crivellin, Andreas (Zurich U. ; PSI, Villigen ; CERN) ; Hoferichter, Martin (Bern U. ; U. Bern, AEC) ; Kirk, Matthew (Rome U. ; INFN, Rome) ; Manzari, Claudio Andrea (Zurich U. ; PSI, Villigen) ; Schnell, Luc (Paris, LPTHE ; Zurich, ETH ; Ec. Polytech., Palaiseau (main))
New-physics (NP) constraints on first-generation quark-lepton interactions are particularly interesting given the large number of complementary processes and observables that have been measured. [...]
arXiv:2107.13569 ; CERN-TH-2021-112 ; PSI-21-16 ; ZU-TH 32/21.
- 40 p.

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2021-07-31
04:02
Two-Loop Hexa-Box Integrals for Non-Planar Five-Point One-Mass Processes / Abreu, Samuel (CERN ; UCLA ; U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Ita, Harald (Freiburg U.) ; Page, Ben (CERN) ; Tschernow, Wladimir (Freiburg U.)
We present the calculation of the three distinct non-planar hexa-box topologies for five-point one-mass processes. [...]
arXiv:2107.14180.
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2021-07-31
04:02
Beam Measurements and Machine Learning at the CERN Large Hadron Collider / Arpaia, P. (Naples U.) ; Azzopardi, G. (CERN) ; Blanc, F. (LPHE, Lausanne) ; Buffat, X. (CERN) ; Coyle, L. (CERN ; LPHE, Lausanne) ; Fol, E. (CERN ; Frankfurt U.) ; Giordano, F. (Naples U. ; CERN) ; Giovannozzi, M. (CERN) ; Pieloni, T. (LPHE, Lausanne) ; Prevete, R. (Naples U.) et al.
This paper presents a review of the recent Machine Learning activities carried out on beam measurements performed at the CERN Large Hadron Collider. [...]
arXiv:2107.12641.
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