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2024-07-18
18:52
Measurement of $t\bar{t}$ production in association with additional $b$-jets in the $e\mu$ final state in proton-proton collisions at $\sqrt{s}$=13 TeV with the ATLAS detector
This paper presents measurements of top-antitop quark pair ($t\bar{t}$) production in association with additional $b$-jets. [...]
CERN-EP-2024-191.
- 2024.
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2024-07-18
12:20
Amplitude analysis of $B^+\to \psi(2S) K^+ \pi^+\pi^-$ decays
The first full amplitude analysis of $B^+ \to \psi(2S) K^+ \pi^+ \pi^-$ decays is performed using proton-proton collision data corresponding to an integrated luminosity of $9\,\text{fb}^{-1}$ recorded with the LHCb detector. [...]
CERN-EP-2024-177 ; LHCB-PAPER-2024-014.
- 2024.
Fulltext - Related data file(s)

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2024-07-18
04:39
Photocathode characterisation for robust PICOSEC Micromegas precise-timing detectors / Lisowska, M. (CERN ; IRFU, Saclay) ; Aleksan, R. (IRFU, Saclay) ; Angelis, Y. (Aristotle U., Thessaloniki) ; Aune, S. (IRFU, Saclay) ; Bortfeldt, J. (Munich U.) ; Brunbauer, F. (CERN) ; Brunoldi, M. (Pavia U. ; INFN, Pavia) ; Chatzianagnostou, E. (Aristotle U., Thessaloniki) ; Datta, J. (SUNY, Stony Brook) ; Dehmelt, K. (Jefferson Lab) et al.
The PICOSEC Micromegas detector is a precise-timing gaseous detector based on a Cherenkov radiator coupled with a semi-transparent photocathode and a Micromegas amplifying structure, targeting a time resolution of tens of picoseconds for minimum ionising particles. [...]
arXiv:2407.09953.
- 9 p.
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2024-07-18
04:37
The infamous 95 GeV $\rm b \bar b$ excess at LEP: Two b or not two b? / Janot, Patrick (CERN)
A small deviation observed around 95 GeV in the diphoton invariant mass distribution in the LHC Run 2 data has been subject to considerable attention in the past couple years. [...]
arXiv:2407.10948.
- 14 p.
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2024-07-18
04:37
Flavour Deconstructing the Composite Higgs / Covone, Sebastiano (Zurich U.) ; Davighi, Joe (CERN) ; Isidori, Gino (Zurich U.) ; Pesut, Marko (Zurich U.)
We present a flavour non-universal extension of the Standard Model combined with the idea of Higgs compositeness. [...]
arXiv:2407.10950.
- 36 p.
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2024-07-18
04:32
Development of nanocomposite scintillators for use in high-energy physics / Antonelli, A. (Frascati) ; Auffray, E. (CERN) ; Brovelli, S. (Milan Bicocca U. ; Beijing, CSRC) ; Bruni, F. (Milan Bicocca U.) ; Campajola, M. (Naples U. ; INFN, Naples) ; Carsi, S. (Insubria U., Como ; Milan Bicocca U.) ; Carulli, F. (Milan Bicocca U.) ; De Nardo, G. (Naples U. ; INFN, Naples) ; Di Meco, E. (Frascati ; Rome U., Tor Vergata) ; Diociaiuti, E. (Frascati) et al.
Semiconductor nanocrystals (quantum dots) are light emitters with high quantum yield that are relatively easy to manufacture. [...]
arXiv:2407.10915.
- 3 p.
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2024-07-18
04:27
Coherent J/$\psi$ photoproduction and polarization in peripheral Pb-Pb collisions with ALICE / Massacrier, L. (IJCLab, Orsay)
Photonuclear reactions are induced by the strong electromagnetic field generated by ultrarelativistic heavy ions. [...]
arXiv:2407.09707.
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2024-07-18
04:27
A Phenomenological Analysis of LHC Neutrino Scattering at NLO Accuracy Matched to Parton Showers / van Beekveld, Melissa (NIKHEF, Amsterdam) ; Ferrario Ravasio, Silvia (CERN) ; Groenendijk, Eva (NIKHEF, Amsterdam) ; Krack, Peter (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Rojo, Juan (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Sánchez, Valentina Schütze (NIKHEF, Amsterdam)
We perform a detailed phenomenological study of high-energy neutrino deep inelastic scattering (DIS) focused on LHC far-forward experiments such as FASER$\nu$ and SND@LHC. [...]
Nikhef 2024-012 ; CERN-TH-2024-111 ; arXiv:2407.09611.
- 25 p.
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2024-07-18
04:26
Search for the rare $\Lambda_c^+ \to p \mu^+ \mu^-$ decay / LHCb Collaboration
A search for the nonresonant $\Lambda_c^+ \to p \mu^+ \mu^-$ decay is performed using proton-proton collision data recorded at a centre-of-mass energy of 13 TeV by the LHCb experiment, corresponding to an integrated luminosity of 5.4 fb$^{-1}$. [...]
LHCb-PAPER-2024-005 ; CERN-EP-2024-158 ; arXiv:2407.11474.
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2024-07-18
04:23
A Nuclear Interferometer for Ultra-Light Dark Matter Detection / Banks, Hannah (CERN ; Cambridge U., DAMTP) ; Fuchs, Elina (CERN ; Hannover U. ; Braunschweig, Phys. Tech. Bund.) ; McCullough, Matthew (CERN)
We propose the nuclear interferometer - a single-photon interferometry experiment based upon the thorium-229 nuclear clock transition - as a novel detector for ultra-light dark matter (ULDM). [...]
CERN-TH-2024-104 ; arXiv:2407.11112.
- 20 p.
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