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CERN Accelerating science

Preprints

Senast inlagda poster:
2021-04-11
13:17
Search for W' bosons decaying to a top and a bottom quark at $\sqrt{s} = $ 13 TeV in the hadronic final state
A search is performed for W' bosons decaying to a top and a bottom quark in the all-hadronic final state, in proton-proton collisions at a center-of-mass energy of 13 TeV. [...]
CERN-EP-2021-049 ; CMS-B2G-20-005-003.
- 2021.
Additional information for the analysis - CMS AuthorList - Fulltext

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2021-04-10
17:14
Search for charged Higgs bosons produced in vector boson fusion processes and decaying into vector boson pairs in proton-proton collisions at $\sqrt{s} = $ 13 TeV
A search for charged Higgs bosons produced in vector boson fusion processes and decaying into vector bosons, using proton-proton collisions at $\sqrt{s} = $ 13 TeV at the LHC, is reported. [...]
CERN-EP-2021-045 ; CMS-HIG-20-017-003.
- 2021.
Additional information for the analysis - CMS AuthorList - Fulltext - CMS HEPData

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2021-04-10
04:18
Effective field theories and inflationary magnetogenesis / Giovannini, Massimo (CERN ; INFN, Milan Bicocca)
The effective approach is applied to the analysis of inflationary magnetogenesis. [...]
arXiv:2104.03891.
- 10 p.
Fulltext

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2021-04-10
04:18
Swampland Conjectures and Infinite Flop Chains / Brodie, Callum R. ; Constantin, Andrei ; Lukas, Andre ; Ruehle, Fabian
We investigate swampland conjectures for quantum gravity in the context of M-theory compactified on Calabi-Yau threefolds which admit infinite sequences of flops. [...]
arXiv:2104.03325 ; CERN-TH-2021-051.
- 9 p.
Fulltext

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2021-04-10
04:18
One-loop impact factor for the emission of two gluons / Canay, Marc (Zurich, ETH ; IPhT, Saclay) ; Duca, Vittorio Del (Zurich, ETH ; CERN ; INFN, Pisa)
We consider one-loop five-point QCD amplitudes in next-to-multi-Regge kinematics, and evaluate the one-loop impact factor for the emission of two gluons. [...]
arXiv:2103.16593.
- 33 p.
Fulltext

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2021-04-09
04:02
The Eikonal Approach to Gravitational Scattering and Radiation at $\mathcal O(G^3)$ / Di Vecchia, Paolo (Bohr Inst. ; Nordita ; Royal Inst. Tech., Stockholm) ; Heissenberg, Carlo (Nordita ; Royal Inst. Tech., Stockholm ; Uppsala U.) ; Russo, Rodolfo (Queen Mary, U. of London) ; Veneziano, Gabriele (CERN ; College de France)
Using $\mathcal N=8$ supergravity as a theoretical laboratory, we extract the 3PM gravitational eikonal for two colliding massive scalars from the classical limit of the corresponding elastic two-loop amplitude. [...]
arXiv:2104.03256 ; CERN-TH-2021-046 ; NORDITA 2021-028 ; QMUL-PH-21-17.
- 88 p.
Fulltext

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2021-04-09
04:00
Parton distributions in the SMEFT from high-energy Drell-Yan tails / Greljo, Admir (U. Bern, AEC ; CERN) ; Iranipour, Shayan (Cambridge U., DAMTP) ; Kassabov, Zahari (Cambridge U., DAMTP) ; Madigan, Maeve (Cambridge U., DAMTP) ; Moore, James (Cambridge U., DAMTP) ; Rojo, Juan (Vrije U., Amsterdam ; NIKHEF, Amsterdam) ; Ubiali, Maria (Cambridge U., DAMTP) ; Voisey, Cameron (Cambridge U.)
The high-energy tails of charged- and neutral-current Drell-Yan processes provide important constraints on the light quark and anti-quark parton distribution functions (PDFs) in the large-x region. [...]
arXiv:2104.02723 ; Cavendish-HEP-21/06 ; Nikhef-2020-040.
- 64 p.
Fulltext

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2021-04-09
04:00
Consequences of chirally enhanced explanations of $(g-2)_\mu$ for $h\to \mu\mu$ and $Z\to \mu\mu$ / Crivellin, Andreas (CERN ; PSI, Villigen ; Zurich U.) ; Hoferichter, Martin (U. Bern, AEC)
With the long-standing tension between experiment and Standard-Model (SM) prediction in the anomalous magnetic moment of the muon $a_\mu$ recently reaffirmed by the Fermilab experiment, the crucial question becomes which other observables could be sensitive to the underlying physics beyond the SM to which $a_\mu$ may be pointing. [...]
arXiv:2104.03202 ; CERN-TH-2021-050 ; PSI-PR-21-04 ; ZU-TH 14/21.
- 10 p.
Fulltext

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2021-04-09
04:00
Jet Transport Coefficient at the Large Hadron Collider Energies in a Color String Percolation Approach / Nath, Aditya (Wigner RCP, Budapest) ; Sahu, Dushmanta (Indian Inst. Tech., Kanpur) ; Sahoo, Raghunath (Indian Inst. Tech., Kanpur ; CERN)
Within the color string percolation model (CSPM), jet transport coefficient, $\hat{q}$, is calculated for various multiplicity classes in proton-proton and for centrality classes in nucleus-nucleus collisions at the Large Hadron Collider energies for a better understanding of the matter formed in ultra-relativistic collisions. [...]
arXiv:2104.02328.
- 8 p.
Fulltext

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2021-04-09
04:00
Hadronic light-by-light contribution to $(g-2)_\mu$ from lattice QCD: a complete calculation / Chao, En-Hung (Mainz U., Inst. Kernphys. ; U. Mainz, PRISMA) ; Hudspith, Renwick J. (Mainz U., Inst. Kernphys. ; U. Mainz, PRISMA) ; Gérardin, Antoine (Marseille, CPT) ; Green, Jeremy R. (CERN) ; Meyer, Harvey B. (Mainz U., Inst. Kernphys. ; U. Mainz, PRISMA ; Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Ottnad, Konstantin (Mainz U., Inst. Kernphys. ; U. Mainz, PRISMA)
We compute the hadronic light-by-light scattering contribution to the muon $g-2$ from the up, down, and strange-quark sector directly using lattice QCD. [...]
arXiv:2104.02632.
- 42 p.
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