2026-01-09
06:42 |
Toward a global search for new physics with isotope shifts
/ Fuchs, Elina (Leibniz U., Hannover) ; Kirk, Fiona (Leibniz U., Hannover) ; Mariotti, Agnese (Leibniz U., Hannover) ; Richter, Jan (Leibniz U., Hannover) ; Robbiati, Matteo (U. Milan (main) ; CERN)
Isotope shifts have emerged as a sensitive probe of new bosons that couple to electrons and neutrons, and of nuclear structure. The recent Hz- or even sub-Hz-level isotope shift measurements across different elements call for a global assessment of all available data. [...]
arXiv:2506.07303; TIF-UNIMI-2025-13; DESY-25-080.-
2025 - 37 p.
- Published in : Phys. Rev. A 112 (2025) 052224
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2026-01-09
06:42 |
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2026-01-09
06:42 |
Updates on the Preliminary Electromagnetic and Mechanical Design of the Block-Coil Dipole for the Muon Collider Ring
/ Alfonso, L (INFN, Genoa) ; Bersani, A (INFN, Genoa) ; Bottura, L (CERN) ; Caiffi, B (INFN, Genoa) ; Farinon, S (INFN, Genoa) ; Mariani, F (INFN, Milan) ; Mariotto, S (INFN, Milan) ; Novelli, D (INFN, Genoa) ; Pampaloni, A (INFN, Genoa) ; Salmi, T (Tampere U.)
Within the framework of the International Muon Collider Collaboration (IMCC), a feasibility study is underway for a 10 km collider ring aiming to achieve 10 TeV of center-of-mass energy. The short muon lifetime (2.2
μ
s at rest) imposes stringent requirements on the magnets, which must be compact, high-field, and large aperture to both maximize luminosity and host the internal shielding for the muon decay products. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 36 (2026) 4003205
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2026-01-09
06:42 |
Study of global observables in O-O collisions at sNN=7 TeV using a transport model
/ Behera, Debadatta (Indian Inst. Tech., Indore) ; Mallick, Neelkamal (Indian Inst. Tech., Indore) ; Tripathy, Sushanta (INFN, Bologna) ; Prasad, Suraj (Indian Inst. Tech., Indore) ; Mishra, Aditya Nath (Patna U.) ; Sahoo, Raghunath (Indian Inst. Tech., Indore ; CERN)
Recent investigations suggest that QGP droplets may also form in small collision systems, such as high-multiplicity pp collisions. With the upcoming O-O collisions at the LHC, we have a timely opportunity to explore phenomena similar to those observed in high-multiplicity pp and p-Pb collisions in a system with a comparable number of participating nucleons. [...]
2025 - 3 p.
- Published in : J. Subatomic Part. Cosmol. 4 (2025) 100260
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2026-01-09
06:42 |
Be$^{+}$ assisted, simultaneous confinement of more than 15000 antihydrogen atoms
/ Akbari, R ; de Araujo Azevedo, L O ; Baker, C J ; Bertsche, W ; Bhatt, N M ; Bonomi, G ; Capra, A ; Carli, I ; Cesar, C L ; Charlton, M et al.
Antihydrogen, the bound state of a positron and an antiproton, is the only pure anti-atomic system ever studied. It is produced exclusively in the laboratory, as it has never been observed in nature. [...]
2025 - 11 p.
- Published in : Nature Commun. 16 (2025) 10106
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2026-01-09
06:42 |
Gain suppression studies on nLGAD detectors
/ Villegas, Jairo (Barcelona, Inst. Microelectron.) ; Kraus, Veronika (CERN ; TU Vienna) ; Dougados, Florent (Barcelona, Inst. Microelectron.) ; Moll, Michael (CERN) ; Hidalgo, Salvador (Barcelona, Inst. Microelectron.)
Detecting low-penetrating particles in silicon, such as soft X-rays, ultraviolet light, or low-energy charged particles, is fundamental for a wide range of applications in both industry and research. The nLGAD (n-type Low Gain Avalanche Detector) is considered a good candidate for that, as it potentially combines high sensitivity with excellent timing performance, while avoiding the excess noise of conventional Avalanche Photodiodes (APDs), which are not optimized for precise timing measurements. [...]
2025 - 11 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1083 (2026) 171164
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2026-01-09
04:06 |
Selection-bias effects on high-<math><msub><mi>p</mi><mi>T</mi></msub></math> yield and correlation measurements in oxygen <math><mo>+</mo></math> oxygen collisions
/ Park, JaeBeom (U. Colorado, Boulder) ; Nagle, J.L. (U. Colorado, Boulder) ; Perepelitsa, Dennis V. (U. Colorado, Boulder) ; Lim, Sanghoon (Pusan Natl. U.) ; Loizides, Constantin (Rice U. (main) ; CERN)
Oxygen + oxygen (O+O) collisions at the BNL Relativistic Heavy Ion Collider (RHIC) and the CERN Large Hadron Collider (LHC) offer a unique experimental opportunity to observe the onset of jet quenching in intermediate relativistic collision systems. As with the smaller proton-nucleus or larger nucleus-nucleus systems, measurements of centrality-selected high-pT processes in O+O collisions are expected to be sensitive to selection bias effects, which will be necessary to quantify or mitigate before a definitive conclusion on the presence of jet quenching. [...]
arXiv:2507.03603.-
2025-12-23 - 9 p.
- Published in : Phys. Rev. C
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2026-01-09
04:04 |
Commissioning of a radiofrequency quadrupole cooler-buncher for collinear laser spectroscopy
/ Liu, Yin-Shen (Peking U., Beijing) ; Hu, Han-Rui (Peking U., Beijing) ; Yang, Xiao-Fei (Peking U., Beijing) ; Mei, Wen-Cong (Peking U., Beijing) ; Guo, Yang-Fan (Peking U., Beijing) ; Yan, Zhou (Peking U., Beijing) ; Chen, Shao-Jie (Peking U., Beijing) ; Bai, Shi-wei (Peking U., Beijing) ; Wang, Shu-Jing (Peking U., Beijing) ; Liu, Yong-Chao (Peking U., Beijing) et al.
A RadioFrequency Quadrupole (RFQ) cooler-buncher system has been developed and implemented in a collinear laser spectroscopy setup. This system is dedicated to convert a continuous ion beam into short bunches, while enhancing beam quality and reducing energy spread. [...]
arXiv:2502.10740.-
2025-12-07 - 9 p.
- Published in : Nucl. Sci. Tech. 37 (2026) 13
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2026-01-09
04:01 |
Learning reduced representations for quantum classifiers
/ Odagiu, Patrick (ETH, Zurich (main)) ; Belis, Vasilis (ETH, Zurich (main)) ; Schulze, Lennart (Columbia U. (main)) ; Barkoutsos, Panagiotis (IBM, Zurich) ; Grossi, Michele (CERN) ; Reiter, Florentin (ETH, Zurich (main) ; Fraunhofer Soc.) ; Dissertori, Günther (ETH, Zurich (main)) ; Tavernelli, Ivano (IBM, Zurich) ; Vallecorsa, Sofia (CERN)
Data sets that are specified by a large number of features are currently outside the area of applicability for quantum machine learning algorithms. An immediate solution to this impasse is the application of dimensionality reduction methods before passing the data to the quantum algorithm. [...]
arXiv:2512.01509.-
2025-12-01 - 17 p.
- Published in : Quantum Machine Intelligence: 7 (2025) , no. 2, pp. 113
- Published in : Quantum Machine Intelligence: 7 (2025) , pp. 113
Fulltext: 2512.01509 - PDF; document - PDF;
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2026-01-08
06:01 |
Conceptual Design and Technology Demonstration Program of the SHiP Spectrometer MgB$_{2}$ Magnet
/ Baudin, Lucie (CERN) ; Ballarino, Amalia (CERN) ; De Sousa, Patricia Borges (CERN) ; Bourcey, Nicolas (CERN) ; Chatron, Cyril (CERN) ; Devred, Arnaud (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Jacobsson, Richard (CERN) ; Koettig, Torsten (CERN) ; Mangiarotti, Franco Julio (CERN) et al.
The SHiP experiment, to be located at CERN in the ECN3 North Area cavern, aims at detecting feebly interacting particles, potentially shedding light on neutrino mass and dark matter. A key component of the detector is the Hidden Sector
Spectrometer, potentially the first large-scale, energy-efficient experimental magnet relying on superconducting MgB2 cables. [...]
2026 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 36 (2026) 4500305
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