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2023-06-01
18:56
Combination and summary of ATLAS dark matter searches interpreted in a 2HDM with a pseudo-scalar mediator using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV $pp$ collision data
Results from a wide range of searches targeting different experimental signatures with and without missing transverse momentum ($E_{\mathrm{T}}^{\mathrm{miss}}$) are used to constrain a Two-Higgs-Doublet Model (2HDM) with an additional pseudo-scalar mediating the interaction between ordinary and dark matter (2HDM+$a$). [...]
CERN-EP-2023-088. - 2023.
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2023-06-01
07:30
Measurement of the cross-sections of the electroweak and total production of a $Z \gamma$ pair in association with two jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This Letter presents the measurement of the fiducial and differential cross-sections of the electroweak production of a $Z \gamma$ pair in association with two jets. [...]
CERN-EP-2023-098. - 2023.
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2023-06-01
04:28
Measurement of the cross-sections of the electroweak and total production of a $Z \gamma$ pair in association with two jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents the measurement of the fiducial and differential cross-sections of the electroweak production of a $Z \gamma$ pair in association with two jets. [...]
arXiv:2305.19142 ; CERN-EP-2023-098. - 44 p.
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2023-05-31
21:13
Search for non-resonant production of semi-visible jets using Run 2 data in ATLAS
Semi-visible jets, with a significant contribution to the event's missing transverse momentum, can arise in strongly interacting dark sectors [...]
CERN-EP-2023-084. - 2023.
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2023-05-31
10:45
Associated production of prompt $J/\psi$ and $\mathit{\Upsilon}$ mesons in $pp$ collisions at $\sqrt{s}=13\,\mathrm{TeV}$
The associated production of prompt $J/\psi$ and $\mathit{\mathit{\Upsilon}}$ mesons in $pp$ collisions at a centre-of-mass energy of $\sqrt{s}=13\,\mathrm{TeV}$ is studied using LHCb data, corresponding to an integrated luminosity of $4\,\mathrm{fb}^{-1}$. [...]
CERN-EP-2023-078 ; LHCB-PAPER-2022-047. - 2023.
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2023-05-31
04:52
Predictions for the sPHENIX physics program / Belmont, Ron (North Carolina U., Greensboro) ; Brewer, Jasmine (CERN) ; Brodsky, Quinn (MIT) ; Caucal, Paul (SUBATECH, Nantes) ; Connors, Megan (Georgia State U.) ; Djordjevic, Magdalena (Belgrade, Inst. Phys.) ; Ehlers, Raymond (UC, Berkeley ; LBL, Berkeley) ; Escobedo, Miguel A. (Santiago de Compostela U. ; Barcelona U.) ; Ferreiro, Elena G. (Santiago de Compostela U.) ; Giacalone, Giuliano (Heidelberg U.) et al.
sPHENIX is a next-generation detector experiment at the Relativistic Heavy Ion Collider, designed for a broad set of jet and heavy-flavor probes of the Quark-Gluon Plasma created in heavy ion collisions. [...]
arXiv:2305.15491. - 60 p.
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2023-05-31
04:52
FCC-ee Status and Overview / Zimmermann, Frank (CERN ; Unlisted, CN)
We report on the Future Circular Collider (FCC) Feasibility Study, the mid-term review in autumn 2023, and the longer term timeline..
arXiv:2305.06913. - 3 p.
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2023-05-31
04:52
Measurements of the Cherenkov effect in direct detection of charged particles with SiPMs / Carnesecchi, F. (CERN) ; Sabiu, B. (Bologna U. ; INFN, Bologna) ; Strazzi, S. (Bologna U. ; INFN, Bologna) ; Vignola, G. (INFN, Bologna) ; Agrawal, N. (Bologna U. ; INFN, Bologna) ; Alici, A. (Bologna U. ; INFN, Bologna) ; Antonioli, P. (INFN, Bologna) ; Arcelli, S. (Bologna U. ; INFN, Bologna) ; Bellini, F. (Bologna U. ; INFN, Bologna) ; Cavazza, D. (INFN, Bologna) et al.
In this paper, different Silicon PhotoMultiplier (SiPM) sensors have been tested with charged particles to characterize the Cherenkov light produced in the sensor protection layer. [...]
arXiv:2305.17762. -
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2023-05-31
04:50
Search for non-resonant production of semi-visible jets using Run~2 data in ATLAS / ATLAS Collaboration
Semi-visible jets, with a significant contribution to the event's missing transverse momentum, can arise in strongly interacting dark sectors. [...]
arXiv:2305.18037 ; CERN-EP-2023-084. - 34 p.
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2023-05-31
04:49
Limits from the grave: resurrecting Hitomi for decaying dark matter and forecasting leading sensitivity for XRISM / Dessert, Christopher (New York U., CCPP ; Flatiron Inst., New York) ; Ning, Orion ; Rodd, Nicholas L. ; Safdi, Benjamin R.
The Hitomi X-ray satellite mission carried unique high-resolution spectrometers that were set to revolutionize the search for sterile neutrino dark matter (DM) by looking for narrow X-ray lines arising from DM decays. [...]
arXiv:2305.17160 ; CERN-TH-2023-088. - 6 p.
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