Beam Tests of SNSPDs with 120 GeV Protons
We report the test results for a 120 GeV proton beam incident on superconducting nanowire particle detectors of various wire sizes. NbN devices with the same sensitive area were fabricated with different wire widths and tested at a temperature of 2.8 K. The relative detection efficiency was extracte...
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| creator | Lee, Sangbaek Polakovic, Tomas Armstrong, Whitney Dibos, Alan Draher, Timothy Pastika, Nathaniel Zein-Eddine Meziani Novosad, Valentine |
| description | We report the test results for a 120 GeV proton beam incident on superconducting nanowire particle detectors of various wire sizes. NbN devices with the same sensitive area were fabricated with different wire widths and tested at a temperature of 2.8 K. The relative detection efficiency was extracted from bias current scans for each device. The results show that the wire width is a critical factor in determining the detection efficiency and larger wire widths than 400 nm leads to inefficiencies at low bias currents. These results are particularly relevant for novel applications at accelerator facilities, such as the Electron-Ion Collider, where cryogenic cooling is readily available. |
| doi_str_mv | 10.48550/arxiv.2312.13405 |
| format | Article |
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NbN devices with the same sensitive area were fabricated with different wire widths and tested at a temperature of 2.8 K. The relative detection efficiency was extracted from bias current scans for each device. The results show that the wire width is a critical factor in determining the detection efficiency and larger wire widths than 400 nm leads to inefficiencies at low bias currents. 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| source | Freely Accessible Journals; arXiv.org |
| subjects | Cryogenic cooling Nanowires Particle accelerators Physics - Instrumentation and Detectors Physics - Nuclear Experiment Proton beams Radiation counters Superconductivity |
| title | Beam Tests of SNSPDs with 120 GeV Protons |
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