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000364087 005__ 20260122232656.0
000364087 0247_ $$2doi$$a10.18429/JACOW-IPAC2025-MOPM021
000364087 0247_ $$2datacite_doi$$a10.15120/GSI-2026-00266
000364087 037__ $$aGSI-2026-00266
000364087 041__ $$aEnglish
000364087 1001_ $$0P:(DE-HGF)0$$aZiegler, Philipp$$b0$$eCorresponding author
000364087 1112_ $$a16th International Particle Accelerator Conference$$cTaipei$$d2025-06-01 - 2025-06-06$$wTaiwan
000364087 245__ $$aProof-of-principle experiment to reconstruct the trajectory of dust grains interacting with the LHC beams
000364087 260__ $$bJACoW Publishing$$c2025
000364087 300__ $$a330-333
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000364087 500__ $$aPublished by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license. This work has been sponsored by the Wolfgang Gentner Programme of the German Federal Ministry of Education and Research (grant no. 13E18CHA).
000364087 520__ $$aInteractions of dust grains with the LHC beams cause beam losses that can trigger premature beam aborts or even quenches of superconducting dipoles. While the simulated motion and ionisation of dust grains inside the proton beam are in good agreement with measured beam-loss data, a direct measurement of the dust movement is not available. A novel method was developed that reconstructs the trajectory of a dust grain based on the different beam loss profiles of transversely displaced bunches. A proof-of-principle experiment to validate the method using a thin wire to simulate the dust grain was performed in June 2024 at the LHC. This paper describes the beam experiment, compares the achieved displacements with simulations, and shows the reconstructed trajectories. Finally, it is discussed how the method can be applied for real dust events occurring during LHC operation.
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000364087 650_7 $$2Other$$aAccelerator Physics
000364087 650_7 $$2Other$$amc1-colliders-and-related-accelerators - MC1 :Colliders and Related Accelerators
000364087 650_7 $$2Other$$aMC1.A01 - MC1.A01 Hadron Colliders
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000364087 7001_ $$aLechner, Anton$$b1
000364087 7001_ $$aLindstrom, Bjorn$$b2
000364087 7001_ $$aWiesner, Christoph$$b3
000364087 7001_ $$aHernalsteens, Cédric$$b4
000364087 7001_ $$aValuch, Daniel$$b5
000364087 7001_ $$aWollmann, Daniel$$b6
000364087 7001_ $$aGancarcik, David$$b7
000364087 7001_ $$aCalvo Giraldo, Eva$$b8
000364087 7001_ $$aSterbini, Guido$$b9
000364087 7001_ $$0P:(DE-HGF)0$$aPodlech, Holger$$b10
000364087 7001_ $$aGonzalez Berges, Manuel$$b11
000364087 7001_ $$aHostettler, Michi$$b12
000364087 7001_ $$aBelanger, Philippe$$b13
000364087 7001_ $$aSchmidt, Ruediger$$b14
000364087 7001_ $$aKostoglou, Sofia$$b15
000364087 7001_ $$aCoco, Victor$$b16
000364087 7001_ $$aBuffat, Xavier$$b17
000364087 773__ $$a10.18429/JACOW-IPAC2025-MOPM021
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