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  1. Article

    Open Access

    Measurement of e+eωη′ cross sections at \( \sqrt{s} \) = 2.000 to 3.080 GeV

    We measured the Born cross sections for the process e+eωη′ at 22 center-of-mass energies from 2.000 to 3.080 GeV with the BESIII detector at the BEPCII collider. We observed a resonant structure with a statis...

    M. Ablikim, M. N. Achasov, P. Adlarson, X. C. Ai in Journal of High Energy Physics (2024)

  2. No Access

    Article

    Operando measurement of lattice deformation profiles of synchrotron radiation monochromator

    This study presents a new method for characterizing the thermal lattice deformation of a monochromator with high precision under service conditions and first reports the operando measurements of nanoscale ther...

    Yue Zhang, Zhong-Liang Li, Shang-Yu Si, Lian Xue in Nuclear Science and Techniques (2024)

  3. Article

    Open Access

    Search for long-lived heavy neutrinos in the decays of B mesons produced in proton-proton collisions at \( \sqrt{s} \) = 13 TeV

    A search for long-lived heavy neutrinos (N) in the decays of B mesons produced in proton-proton collisions at ...

    A. Hayrapetyan, A. Tumasyan, W. Adam, J. W. Andrejkovic in Journal of High Energy Physics (2024)

  4. Article

    Open Access

    Measurements of electroweak W±Z boson pair production in association with two jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    Measurements of integrated and differential cross-sections for electroweak W±Z production in association with two jets (W±Zjj) in proton-proton collisions are presented. The data collected by the ATLAS detector a...

    G. Aad, E. Aakvaag, B. Abbott, S. Abdelhameed, K. Abeling in Journal of High Energy Physics (2024)

  5. Article

    Open Access

    Search for heavy neutral leptons in final states with electrons, muons, and hadronically decaying tau leptons in proton-proton collisions at \( \sqrt{s} \) = 13 TeV

    A search for heavy neutral leptons (HNLs) of Majorana or Dirac type using proton-proton collision data at ...

    A. A. Hayrapetyan, A. Tumasyan, W. Adam in Journal of High Energy Physics (2024)

  6. No Access

    Article

    Experimental quantum computational chemistry with optimized unitary coupled cluster ansatz

    Quantum computational chemistry has emerged as a potential application of quantum computing. Hybrid quantum-classical computing methods, such as variational quantum eigensolvers, have been designed as promisin...

    Shaojun Guo, **zhao Sun, Haoran Qian, Ming Gong, Yukun Zhang in Nature Physics (2024)

  7. Article

    Open Access

    Measurement of absolute branching fractions of \( {\textrm{D}}_{\textrm{s}}^{+} \) hadronic decays

    Using e+e collision data collected at the BESIII detector at center-of-mass energies between 4.128 and 4.226 GeV, corresponding to an integrated luminosity of 7.33 fb1, we determine the absolute branching fract...

    M. Ablikim, M. N. Achasov, P. Adlarson, O. Afedulidis in Journal of High Energy Physics (2024)

  8. Article

    Open Access

    Measurement of t-channel production of single top quarks and antiquarks in pp collisions at 13 TeV using the full ATLAS Run 2 data sample

    The production of single top quarks and top antiquarks via the t-channel exchange of a virtual W boson is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV at the LHC using 140 fb1 of ATL...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  9. No Access

    Article

    Application of deep learning methods combined with physical background in wide field of view imaging atmospheric Cherenkov telescopes

    The High Altitude Detection of Astronomical Radiation (HADAR) experiment, which was constructed in Tibet, China, combines the wide-angle advantages of traditional EAS array detectors with the high-sensitivity ...

    Ao-Yan Cheng, Hao Cai, Shi Chen, Tian-Lu Chen, **ang Dong in Nuclear Science and Techniques (2024)

  10. Article

    Open Access

    Search for new particles in final states with a boosted top quark and missing transverse momentum in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search for events with one top quark and missing transverse momentum in the final state is presented. The fully hadronic decay of the top quark is explored by selecting events with a reconstructed boosted to...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  11. No Access

    Article

    Enhancement of magnon–magnon entanglement in cavity magnomechanics with an optical parametric amplifier

    A scheme to enhance the entanglement between two magnon modes by an optical parametric amplifier (OPA) in a cavity magnomechanical system composed of a microwave cavity mode, two magnon modes and a mechanical ...

    Hong-Jie Du, **-Yao Ma, **-Liang Guo in Quantum Information Processing (2024)

  12. Article

    Open Access

    Electron and photon efficiencies in LHC Run 2 with the ATLAS experiment

    Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. They use the full Run 2 data sample collected by the ATLAS ex...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  13. Article

    Open Access

    Search for electroweak production of supersymmetric particles in final states with two τ-leptons in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector

    Three searches for the direct production of τ-sleptons or charginos and neutralinos in final states with at least two hadronically decaying τ-leptons are presented. For chargino and neutralino production, decays ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  14. Article

    Open Access

    Search for ∆S = 2 nonleptonic hyperon decays Ω Σ0π and Ω nK

    Using (27.12 ± 0.14) × 108 ψ(3686) events collected by the BESIII detector at the center-of-mass energy of ...

    M. Ablikim, M. N. Achasov, P. Adlarson, O. Afedulidis in Journal of High Energy Physics (2024)

  15. Article

    Open Access

    Measurement of the total and differential cross-sections of \( t\overline{t}W \) production in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    Measurements of inclusive and differential production cross-sections of a top-quark-top-antiquark pair in association with a W boson ( ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  16. Article

    Open Access

    ATLAS Run 2 searches for electroweak production of supersymmetric particles interpreted within the pMSSM

    A summary of the constraints from searches performed by the ATLAS collaboration for the electroweak production of charginos and neutralinos is presented. Results from eight separate ATLAS searches are consider...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  17. Article

    Open Access

    Test of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons

    A search for CP violation in the decay kinematics and vector-boson fusion production of the Higgs boson is performed in the HZZ* → 4 ( = e, μ) decay channel. The results are based on proton-proton collision ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  18. No Access

    Article

    High-precision X-ray polarimeter based on channel-cut crystals

    We report on using synthetic silicon for a high-precision X-ray polarimeter comprising a polarizer and an analyzer, each based on a monolithic channel-cut crystal used at multiple Brewster reflections with a B...

    Shang-Yu Si, Zhong-Liang Li, Wen-Hong Jia, Lian Xue in Nuclear Science and Techniques (2024)

  19. Article

    Open Access

    Measurement of Born cross section of \( {e}^{+}{e}^{-}\to {\Sigma}^{+}{\overline{\Sigma}}^{-} \) at center-of-mass energies between 3.510 and 4.951 GeV

    Using 24.1 fb1 of e+e collision data collected with the BESIII detector at the BEPCII collider, the Born cross sections and effective form factors of the ...

    M. Ablikim, M. N. Achasov, P. Adlarson, O. Afedulidis in Journal of High Energy Physics (2024)

  20. Article

    Open Access

    A search for R-parity-violating supersymmetry in final states containing many jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search for R-parity-violating supersymmetry in final states with high jet multiplicity is presented. The search uses 140 fb1 of proton-proton collision data at

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

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