Abstract
The Multi-Purpose Detector (MPD) is a main detection system of the new collider located in Dubna, Russia (Nuclotron-based Ion Collider fAcility -NICA). During the work, the Slow Control electronic equipment which is located on the MPD surface and on the special platform near the MPD body, an accidental irradiation caused by the NICA’s failure or its abnormal functioning may occur. Thus, there is a risk of destroying the electronics by a radiation exposure in the platform area, and in the consequence the emergency/fast switch off of the MPD sub-detectors might become impossible. We present the preliminary dosimetry system i.e. the method of prevention of such situation by the continuous monitoring on the Slow Control electronics on the platform. System will be alarming when the radiation levels threshold will be surpassed.
Highlights
The main detection system of the new collider NICA (Nuclotron-based Ion Collider fAcility)[1], is the MPD (Multi-Purpose Detector)[2]
The accelerators complex is designed at the Joint Institute for Nuclear Research in Dubna, Russia to study particle properties in the dense baryonic matter, and consist of: heavy and light ion sources with linear accelerators, 1-st accelerator ring BOOSTER, 2-nd accelerator ring NUCLOTRON, experimental stand BM@N, collider ring NICA and SPD, MPD detector sets
The work of MPD is controlled by special electronic equipment called Slow Control System[3]
Summary
The main detection system of the new collider NICA (Nuclotron-based Ion Collider fAcility)[1], is the MPD (Multi-Purpose Detector)[2]. The work of MPD is controlled by special electronic equipment called Slow Control System[3]. The racks with electronic systems will be located on the MPD surface and on the special platform which is standing near the MPD (Fig. 1). The Dosimetry System to Protect MPD Electronic Equipment has two main roles to play. One is to monitor continuously the electronic devices placed inside the 19” RACKs which stand on the platform. The radiation can destroy the Slow Control electronic elements and control over MPD would be lost. To prevent the MPD malfunctioning continuous monitoring of the level of radiation in the Slow Control room is needed
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