E. Rossi

Research summary

Contributions concern collider accelerator design and cosmic-ray air-shower instrumentation. The High-Luminosity LHC Preliminary Design Report described a planned major upgrade to the LHC in the 2020s that increases instantaneous luminosity by a factor of five and integrated luminosity by a factor of ten beyond original design values, addressing the technical challenge of upgrading an already highly optimized machine while sustaining its discovery potential [1]. A companion HL-LHC arXiv contribution federated international R&D toward the upgrade and articulated the role of strong participation from US (particularly the LARP programme contributing large-aperture Nb_3Sn quadrupoles and crab cavities) and Japanese partners in the construction phase as a global project [2]. The cosmic-ray Moon-shadowing observation with the ARGO-YBJ experiment used the deficit of cosmic rays in the Moon's direction as a calibration tool: the westward displacement of the shadow centroid arising from geomagnetic bending of the incoming cosmic-ray protons sets the absolute primary rigidity scale, the shape determines the array's point-spread function, and the high-energy position fixes the absolute pointing accuracy [3]. The three works together represent two distinct experimental programs - accelerator-engineering studies for HL-LHC and a cosmic-ray air-shower-array calibration measurement - rather than a unified research thread. Methodologically the HL-LHC work is collaborative accelerator R&D management combining superconducting-magnet, RF, and beam-optics development, while the ARGO-YBJ paper applies a celestial-body shadowing technique for in-situ detector calibration.

Recent publications

1. Strangeness enhancement at mid-rapidity in Pb–Pb collisions at 158 A GeV/c1999 · Physics Letters B · 191 citationsDOI
2. Layout and performance of RPCs used in the Argo-YBJ experiment2006 · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 182 citationsDOI
3. High-Luminosity Large Hadron Collider (HL-LHC) Preliminary Design Report2015 · CERN Document Server (European Organization for Nuclear Research) · 176 citationsDOI
4. High Luminosity Large Hadron Collider HL-LHC2015 · arXiv (Cornell University) · 166 citationsDOI
5. Enhancement of central Λ, Ξ and yields in Pb-Pb collisions at 158 A GeV/c1998 · Physics Letters B · 132 citationsDOI
6. Study of D+ and D− Feynman's x distributions in π−-nucleus interactions at the SPS1993 · Physics Letters B · 86 citationsDOI
7. production in sulphur-tungsten interactions at 200 GeV/c per nucleon1991 · Physics Letters B · 82 citationsDOI
8. The ATLAS silicon pixel sensors2001 · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 81 citationsDOI
9. Observation of the cosmic ray moon shadowing effect with the ARGO-YBJ experiment2011 · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology · 80 citationsDOI
10. LHC1: A semiconductor pixel detector readout chip with internal, tunable delay providing a binary pattern of selected events1996 · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 79 citationsDOI

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External profiles

• ORCID: https://orcid.org/0000-0002-2146-677X
• OpenAlex: openalex.org

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