168 Result(s)
within
**g-Long Ma
Nuclear Energy
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Article
Stepped-up development of accelerator mass spectrometry method for the detection of 60Fe with the HI-13 tandem accelerator
The Moon provides a unique environment for investigating nearby astrophysical events such as supernovae. Lunar samples retain valuable information from these events, via detectable long-lived “fingerprint” rad...
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Open AccessMeasurement of the production cross-section of \(J/\psi \) and \(\psi (2{\textrm{S}})\) mesons in pp collisions at \(\sqrt{s} = 13\) TeV with the ATLAS detector
Measurements of the differential production cross-sections of prompt and non-prompt \(J/\psi \) ...
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Article
Generation and regulation of electromagnetic pulses generated by femtosecond lasers interacting with multitargets
Ultrashort and powerful laser interactions with a target generate intense wideband electromagnetic pulses (EMPs). In this study, we report EMPs generated by the interactions between petawatt (30 fs, 1.4 × 1020 W/...
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Article
Open AccessMeasurement of the \(H \rightarrow \gamma \gamma \) and \(H \rightarrow ZZ^* \rightarrow 4 \ell \) cross-sections in pp collisions at \(\sqrt{s}=13.6\) TeV with the ATLAS detector
The inclusive Higgs boson production cross-section is measured in the di-photon and the \(ZZ^* \rightarrow 4 \ell \) ...
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Article
Waveguide distribution system of the HEPS linac
The High-Energy Photon Source (HEPS) is a 6 GeV storage ring-based light source under construction in Bei**g, China. Its accelerator consists of a 6 GeV storage ring, a full-energy booster, an S-band normal-c...
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Open AccessPerformance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS
Searches for long-lived particles (LLPs) are among the most promising avenues for discovering physics beyond the Standard Model at the Large Hadron Collider (LHC). However, displaced signatures are notoriously...
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Article
Open AccessSearch for pair production of third-generation leptoquarks decaying into a bottom quark and a \(\tau \) -lepton with the ATLAS detector
A search for pair-produced scalar or vector leptoquarks decaying into a b-quark and a \(\tau \) τ ...
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Article
Open AccessTowards a muon collider
A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions at high luminosity and 10 TeV ...
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Article
Open AccessMeasurements of differential cross sections of Higgs boson production through gluon fusion in the \(H\rightarrow WW^{*}\rightarrow e\nu \mu \nu \) final state at \(\sqrt{s} = 13\) TeV with the ATLAS detector
Higgs boson production via gluon–gluon fusion is measured in the \(WW^{*} \rightarrow e\nu \mu \nu \) ...
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Article
Measurement of the cavity-loaded quality factor in superconducting radio-frequency systems with mismatched source impedance
The accurate measurement of parameters such as the cavity-loaded quality factor ( \(Q_\textrm{L}\) ...
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Article
Open AccessSearch for doubly charged Higgs boson production in multi-lepton final states using 139 fb \(^{-1}\) of proton–proton collisions at \(\sqrt{s}\) = 13 TeV with the ATLAS detector
A search for pair production of doubly charged Higgs bosons ( \(H^{\pm \pm }\) H ...
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Open AccessSearch for supersymmetry in final states with missing transverse momentum and three or more b-jets in 139 fb \(^{-1}\) of proton–proton collisions at \(\sqrt{s} = 13\) TeV with the ATLAS detector
A search for supersymmetry involving the pair production of gluinos decaying via off-shell third-generation squarks into the lightest neutralino ...
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Article
Open AccessHigh-energy nuclear physics meets machine learning
Although seemingly disparate, high-energy nuclear physics (HENP) and machine learning (ML) have begun to merge in the last few years, yielding interesting results. It is worthy to raise the profile of utilizin...
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Article
Open AccessSearches for new phenomena in events with two leptons, jets, and missing transverse momentum in 139 fb \(^{-1}\) of \(\varvec{\sqrt{s}}=13\) TeV \(\varvec{pp}\) collisions with the ATLAS detector
Searches for new phenomena inspired by supersymmetry in final states containing an \(e^+e^-\) ...
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Article
Open AccessConstraints on spin-0 dark matter mediators and invisible Higgs decays using ATLAS 13 TeV pp collision data with two top quarks and missing transverse momentum in the final state
This paper presents a statistical combination of searches targeting final states with two top quarks and invisible particles, characterised by the presence of zero, one or two leptons, at least one jet origina...
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Open AccessObservation of four-top-quark production in the multilepton final state with the ATLAS detector
This paper presents the observation of four-top-quark ( \(t\bar{t}t\bar{t}\) t ...
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Article
Open AccessSearch for type-III seesaw heavy leptons in leptonic final states in pp collisions at \(\sqrt{s} = 13~\text {TeV}\) with the ATLAS detector
A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 TeV, corresponding to ...
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Article
Open AccessCommissioning of laser electron gamma beamline SLEGS at SSRF
The Shanghai Laser Electron Gamma Source (SLEGS) is a powerful gamma source that provides MeV gamma-ray beams for nuclear science and technology. It was developed as one of the 16 beamline stations in the Phas...
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Article
Open AccessSearch for long-lived charginos based on a disappearing-track signature using 136 fb \(^{-1}\) of pp collisions at \(\sqrt{s}\) = 13 TeV with the ATLAS detector
A search for long-lived charginos produced either directly or in the cascade decay of heavy prompt gluino states is presented. The search is based on proton–proton collision data collected at a centre-of-mass ...
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Open AccessMeasurement of the energy asymmetry in \(t{\bar{t}}j\) production at \(13\,\) TeV with the ATLAS experiment and interpretation in the SMEFT framework
A measurement of the energy asymmetry in jet-associated top-quark pair production is presented using \(139\,{\mathrm {fb}}^{-1}\) ...
