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AIDA-2020 Report Summary

Project ID: 654168
Funded under: H2020-EU.

Periodic Reporting for period 1 - AIDA-2020 (Advanced European Infrastructures for Detectors at Accelerators)

Reporting period: 2015-05-01 to 2016-10-31

Summary of the context and overall objectives of the project

AIDA-2020 brings together the leading European infrastructures and academic institutions in detector development for particle physics In total, 19 countries and CERN are involved in this programme. With the upgrade of the Large Hadron Collider (LHC) and the preparation of new experiments, the community will have to overcome unprecedented challenges in detector technology.
AIDA-2020 advances detector technologies beyond current limits by offering well-equipped test beam and irradiation facilities for testing detector systems under its Transnational Access (TA) programme. Common software tools, microelectronics and data acquisition systems are also provided. This shared high-quality infrastructure increases knowledge exchange between European groups across the boundaries of the various future projects and leverages EU and national resources, and contributes to maintaining Europe's leadership in the field.

Work performed from the beginning of the project to the end of the period covered by the report and main results achieved so far

The kick-off meeting and first Annual Meeting, held at CERN and DESY, respectively, were organised within WP1. Attended by about 140 participants each, the meetings highlighted the start-up of the initiative. During the project, progress is monitored in bi-monthly video meetings of the Steering Committee.
Activities in WP2 began with the launch of the project website and newsletter, named “On Track”. Videos on the facilities offered under the TA programme have been produced. Domains of detector technology, where dissemination from research to industry is highest, have been identified., and 11 good proposals for innovative projects to realize the impact of detector research on society were made A first prototype batch of industrially produced silicon strip sensors on 8” wafers represents the largest silicon strip detector elements ever built.
In WP3, the enhancements of the geometry software package DD4hep were brought to immediate use by the linear collider and FCC communities. It has additional functionality, which allows for the simulation of misaligned detector geometries. The Pandora particle flow algorithms have been extended to also be applicable for neutrino interactions in LAr TPCs.
In WP4 steps were made towards providing CMOS readout chips for new instrumentation including 65 nm demonstrator prototype CMOS chips for the pixel detectors developed in WP6 and WP7. The 130 nm TSMC CMOS technology was selected for the gaseous detectors and calorimeters addressed in WP13 and WP14. The through silicon via for interconnecting the pixel sensors show good test results.
Substantial convergence on an approach to distribute timing and synchronisation signals between different detectors has been achieved in WP5, and a new trigger and logic unit was designed and built. The EUDAQ software has been selected as the common platform and is being expanded towards scalability, event building and monitoring.
WP6 has organised the knowledge transfer on TCAD and Geant4 simulations. Generic test structures for technology evaluation were designed and produced, and demonstrator sensors have been under test since February 2016. First functional large area HV/HR-CMOS assemblies with capacitive interconnections to the readout chip have been constructed. Excellent detection efficiency and time resolution were measured in beam tests.
TCAD simulations for the optimization of the small size 3D and planar pixel cells were performed in WP7 and their results were implemented in the design of sensor prototypes on thinned substrates. Several prototyping runs, including the first manufacturing of thin 3D and Low Gain Avalanche Detectors sensors were completed towards the preparation of the Multi-Project Wafer runs in 2017.
The activities of WP8 are embedded in the infrastructures provided by the neutrino platform at CERN. Key technologies for purity monitoring, photo-detection, charge readout, associated cryogenic front-end electronics and DAQ, were reviewed and developed. A very high voltage system for 300 kV was developed and tested for the study of high field phenomena in noble gases. Many of these systems have been integrated in the 3x1x1 m3 prototype detector.
Challenges of low material budget designs of future track and vertex detectors are addressed in WP9. Standard micro-fabrication technologies for silicon cooling devices have been consolidated with prototypes, and alternative advanced processes are being explored. Important progress has been made in the field of miniaturized high-pressure hydraulic connectors. Specifications for a facility to characterise mechanical support structures have been defined.
The TA programme is organised in WP10 (test beam), WP11 (irradiation) and WP12. WP12 contains new test facilities offering ion micro-beams for the characterisation of radiation damage effects, and equipment for electromagnetic noise characterisation. All facilities started promptly and the user support has in general met or even exceeded expectations, demonstrating the success of the programme and the demand from the community.
WP13 develops the tools to produce and characterise resistive plate chambers (RPC) and micro-pattern gas detectors (MPGD). Studies were made to test alternatives for gases with high global warming potential. The use of interferometric methods to control mechanical tensions was demonstrated, and novel MPGD architectures and tools have been developed in view of technology transfer to industry.
WP14 unfolds synergies between the efforts to develop highly granular calorimeter systems for the LHC upgrades and future linear colliders. Test systems for scintillator-based readout or irradiated silicon sensors and LHC-oriented electronics have benn established, including the demonstration of an assembly chain for silicon calorimeters and the design of cooling systems for calorimeter structures.
Activities to enhance the test beam and irradiation services at European facilities are progressing in WP15. A transport system for neutron irradiation of large samples and a new version of the highly demanded EUDET-type pixel telescopes have been constructed and installed. An online user and sample management system, the installation of the common slow control system, the design of a cold box for irradiation campaigns and the design for a cosmic tracker have all been achieved.
Thanks to the experience and efforts of the WP coordinators, all Networking and Joint Research Activities reached full speed quickly and proceed in line with the initial schedule.

Progress beyond the state of the art and expected potential impact (including the socio-economic impact and the wider societal implications of the project so far)

AIDA-2020 builds on the achievements of the previous initiatives EUDET and AIDA, e.g. existing test beam infrastructures like magnets, pixel telescopes or software frameworks, but it goes beyond in many respects. There are a wider range and new types of infrastructures, and stronger support for TA to them, and there are new topics, like novel silicon sensor concepts or micro-channel cooling technologies. Particular attention is paid to, and a special PoC fund is devoted to, the cooperation with European industry, e.g. for the production of silicon devices of large area, and the transfer of technologies for developing applications outside of particle physics, e.g. for medical imaging.

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