A Novel, Steerable, Low-Energy Proton Source for Detector Characterization
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918323436912640 |
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| author | Macsai, Nicholas Mendelsohn, August Harrison, David Mammei, Russell Gericke, Michael Broussard, Leah Smith, Erick Riley, Grant Randall, Glenn Makela, Mark |
| author_facet | Macsai, Nicholas Mendelsohn, August Harrison, David Mammei, Russell Gericke, Michael Broussard, Leah Smith, Erick Riley, Grant Randall, Glenn Makela, Mark |
| contents | We report on the conversion of the Manitoba II mass spectrometer into a versatile low-energy proton beam facility. This infrastructure is adaptable to any detector-under-test (DUT), and has proven itself effective with the characterization of silicon detectors used in subatomic beyond-the-StandardModel (BSM) searches, namely the Nab experiment. A pencil beam of monoenergetic protons can be produced in a range from 25 keV to 35 keV, achieving a beamcurrent of ~1x10-18 A. Electrostatic steering plates were constructed to direct the Gaussian-profile proton beam over a 117mm diameter areaof-interest with full-width at half-maxima (FWHM) ranging from 0.6 mm to 1.26 mm. This work discusses the modifications and subsequent tests to confirm the beam specifications met the demands of the aforementioned detectors. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_03654 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Novel, Steerable, Low-Energy Proton Source for Detector Characterization Macsai, Nicholas Mendelsohn, August Harrison, David Mammei, Russell Gericke, Michael Broussard, Leah Smith, Erick Riley, Grant Randall, Glenn Makela, Mark Instrumentation and Detectors Nuclear Experiment Accelerator Physics We report on the conversion of the Manitoba II mass spectrometer into a versatile low-energy proton beam facility. This infrastructure is adaptable to any detector-under-test (DUT), and has proven itself effective with the characterization of silicon detectors used in subatomic beyond-the-StandardModel (BSM) searches, namely the Nab experiment. A pencil beam of monoenergetic protons can be produced in a range from 25 keV to 35 keV, achieving a beamcurrent of ~1x10-18 A. Electrostatic steering plates were constructed to direct the Gaussian-profile proton beam over a 117mm diameter areaof-interest with full-width at half-maxima (FWHM) ranging from 0.6 mm to 1.26 mm. This work discusses the modifications and subsequent tests to confirm the beam specifications met the demands of the aforementioned detectors. |
| title | A Novel, Steerable, Low-Energy Proton Source for Detector Characterization |
| topic | Instrumentation and Detectors Nuclear Experiment Accelerator Physics |
| url | https://arxiv.org/abs/2510.03654 |