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2025-05-23
04:11
Exploring Event-by-Event pTpT Fluctuations in pp Collisions at √s=13√s=13 TeV: An Insight from ALICE / Ali, Bushra (Aligarh Muslim U. ; IISER, Berhampur)
Event-by-event fluctuations of the mean transverse momentum (pTpT) of relativistic charged particles are analyzed using the two-particle correlator √Cm/M(pT)m√Cm/M(pT)m, which quantifies the correlations strength in units of the mean pTpT in proton-proton collision at √s=13√s=13 TeV in ALICE both for minimum bias and and high-multiplicity triggered events. [...]
arXiv:2505.15161. -
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2025-05-23
04:08
Reduction in nuclear size and quadrupole deformation of high-spin isomers of 127,129127,129In / Vernon, A.R. (Manchester U. ; MIT ; Leuven U.) ; Binnersley, C.L. (Manchester U.) ; Garcia Ruiz, R.F. (MIT ; CERN) ; Lynch, K.M. (Manchester U. ; CERN) ; Miyagi, T. (Tsukuba U., CCS ; Darmstadt, Tech. U. ; Darmstadt, EMMI ; Heidelberg, Max Planck Inst. ; TRIUMF) ; Billowes, J. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Cocolios, T.E. (Leuven U.) ; Delaroche, J.P. (CEA DAM) ; Dobaczewski, J. (York U., England ; Warsaw U.) et al.
We employed laser spectroscopy of atomic transitions to measure the nuclear charge radii and electromagnetic properties of the high-spin isomeric states in neutron-rich indium isotopes (Z = 49) near the closed proton and neutron shells at Z = 50 and N = 82. [...]
arXiv:2505.14977. - 2025-05 - 14.
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2025-05-22
10:01
Measurement of the ZZ-boson mass / LHCb Collaboration
The first dedicated ZZ-boson mass measurement at the LHC with Z→μ+μ−Z→μ+μ− decays is reported. [...]
arXiv:2505.15582 ; LHCb-PAPER-2025-008 ; CERN-EP-2025-111 ; LHCB-PAPER-2025-008. - 2025 - 22 p, 22.
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2025-05-22
06:29
Automatic and effective discovery of quantum kernels / Incudini, Massimiliano (Verona U.) ; Bosco, Daniele Lizzio (Udine U. ; U. Naples (main)) ; Martini, Francesco (Verona U.) ; Grossi, Michele (CERN) ; Serra, Giuseppe (Udine U.) ; Di Pierro, Alessandra (Verona U.)
Quantum computing can empower machine learning models by enabling kernel machines to leverage quantum kernels for representing similarity measures between data. [...]
arXiv:2209.11144. - 2024 - 10.
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2025-05-22
04:46
Building Next-to-Next Leading Logarithmic parton showers: the PanScales recipe / Ferrario Ravasio, Silvia (CERN)
Parton showers lie at the core of Shower Monte Carlo event generators, the default theoretical tools used to interpret collider data. [...]
CERN-TH-2025-102 ; arXiv:2505.13395. - 4.
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2025-05-22
04:45
Searching for Light Dark Matter and Dark Sectors with the NA64 experiment at the CERN SPS / NA64 Collaboration
Since its approval in 2016, NA64 has pioneered light dark matter (LDM) searches with electron, positron, muon, and hadron beams. [...]
arXiv:2505.14291. - 15.
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2025-05-22
04:42
Investigating quarkonium collectivity in heavy-ion collisions / Torres, Victor Valencia (SUBATECH, Nantes)
The quark-gluon plasma (QGP) produced in ultrarelativistic heavy-ion collisions has exhibited properties of a mostly perfect fluid. [...]
arXiv:2505.13892. -
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2025-05-22
04:41
Antinuclei from Primordial Black Holes / De Romeri, Valentina (Valencia U., IFIC) ; Donato, Fiorenza (Turin U. ; CERN) ; Maurin, David (LPSC, Grenoble) ; Stefanuto, Lorenzo (Turin U.) ; Tolino, Agnese (Valencia U., IFIC)
Light primordial black holes (PBHs) may have originated in the early Universe, and could contribute to the dark matter in the Universe. [...]
arXiv:2505.04692. - 22.
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2025-05-22
04:41
Performance of short and long bent crystals for the TWOCRYST experiment at the Large Hadron Collider / Bandiera, L. (INFN, Ferrara) ; Cai, R. (CERN) ; Carsi, S. (INFN, Milan Bicocca ; Insubria U., Como) ; Cesare, S. (INFN, Milan ; U. Milan (main)) ; Dewhurst, K.A. (CERN ; U. Manchester (main)) ; D'Andrea, M. (CERN ; INFN, Padua) ; De Salvador, D. (INFN, Legnaro ; U. Padua (main)) ; Gandini, P. (INFN, Milan) ; Guidi, V. (INFN, Ferrara ; U. Ferrara (main)) ; Hermes, P. (CERN) et al.
This study investigates the performance of bent silicon crystals intended to channel hadrons in a fixed-target experiment at the Large Hadron Collider (LHC). [...]
arXiv:2505.14365. - 14.
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2025-05-21
13:57
Measurements of charmed meson and antimeson production asymmetries at √s=13.6√s=13.6 TeV / LHCb Collaboration
This article presents doubly differential measurements of the asymmetries in production rates between mesons containing a charm quark and those containing an anticharm quark in proton-proton collisions at a centre-of-mass energy of √s=13.6√s=13.6 TeV using data recorded by the LHCb experiment. [...]
arXiv:2505.14494 ; LHCb-PAPER-2024-052 ; CERN-EP-2025-087 ; LHCB-PAPER-2024-052. - 2025 - 43.
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