Study of MALTA2, a Depleted Monolithic Active Pixel Sensor, with grazing angles at CERN SPS 180 GeV/c hadron beam
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| author | Li, L. Allport, P. Tortajada, I. Asensi Behera, P. Berlea, D. V. Bortoletto, D. Buttar, C. Dao, V. Dash, G. Fasselt, L. de Acedo, L. Flores Sanz Gazi, M. Gonella, L. Gonzalez, V. Gustavino, G. Haberl, S. Inada, T. Jana, P. Pernegger, H. Riedler, P. Snoeys, W. Sanchez, C. A Solans van Rijnbach, M. Nunez, M. Vazquez Vijay, A. Weick, J. Worm, S. |
| author_facet | Li, L. Allport, P. Tortajada, I. Asensi Behera, P. Berlea, D. V. Bortoletto, D. Buttar, C. Dao, V. Dash, G. Fasselt, L. de Acedo, L. Flores Sanz Gazi, M. Gonella, L. Gonzalez, V. Gustavino, G. Haberl, S. Inada, T. Jana, P. Pernegger, H. Riedler, P. Snoeys, W. Sanchez, C. A Solans van Rijnbach, M. Nunez, M. Vazquez Vijay, A. Weick, J. Worm, S. |
| contents | MALTA2 is a Depleted Monolithic Active Pixel Sensor designed to meet the challenging requirements of future collider experiments, in particularly extreme radiation tolerance and high hit rate. The sensor is fabricated in a modified Tower 180 nm CMOS imaging technology to mitigate performance degradation caused by 100 MRad of Total Ionising Dose and greater than 10^{15} 1 MeV n_{eq}/cm^2 of Non-Ionising Energy Loss. MALTA2 samples have been tested during the CERN SPS test beam campaign in 2023-2024, before and after irradiation at a fluence of 1 $\times$ 10^{15} 1 MeV n_{eq}/cm^2. The sensors were positioned at various inclinations relative to the beam, covering grazing angles from 0 to 60 degrees. This contribution presents measurements of detection efficiency and cluster size as functions of these angles, along with an estimation of the active depth of the depleted region based on the test beam results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_13590 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Study of MALTA2, a Depleted Monolithic Active Pixel Sensor, with grazing angles at CERN SPS 180 GeV/c hadron beam Li, L. Allport, P. Tortajada, I. Asensi Behera, P. Berlea, D. V. Bortoletto, D. Buttar, C. Dao, V. Dash, G. Fasselt, L. de Acedo, L. Flores Sanz Gazi, M. Gonella, L. Gonzalez, V. Gustavino, G. Haberl, S. Inada, T. Jana, P. Pernegger, H. Riedler, P. Snoeys, W. Sanchez, C. A Solans van Rijnbach, M. Nunez, M. Vazquez Vijay, A. Weick, J. Worm, S. High Energy Physics - Experiment Instrumentation and Detectors MALTA2 is a Depleted Monolithic Active Pixel Sensor designed to meet the challenging requirements of future collider experiments, in particularly extreme radiation tolerance and high hit rate. The sensor is fabricated in a modified Tower 180 nm CMOS imaging technology to mitigate performance degradation caused by 100 MRad of Total Ionising Dose and greater than 10^{15} 1 MeV n_{eq}/cm^2 of Non-Ionising Energy Loss. MALTA2 samples have been tested during the CERN SPS test beam campaign in 2023-2024, before and after irradiation at a fluence of 1 $\times$ 10^{15} 1 MeV n_{eq}/cm^2. The sensors were positioned at various inclinations relative to the beam, covering grazing angles from 0 to 60 degrees. This contribution presents measurements of detection efficiency and cluster size as functions of these angles, along with an estimation of the active depth of the depleted region based on the test beam results. |
| title | Study of MALTA2, a Depleted Monolithic Active Pixel Sensor, with grazing angles at CERN SPS 180 GeV/c hadron beam |
| topic | High Energy Physics - Experiment Instrumentation and Detectors |
| url | https://arxiv.org/abs/2502.13590 |