The detector on the basis of drift chambers for inclined muon bundle investigations

Zadeba, E. A.; Ampilogov, N. V.; Barbashina, N. S.; Borisov, A.; Кокоулин, Р. П.; Кожин, А. С.; Компаниец, К. Г.; Фахрутдинов, Р. М.; Ovechkin, A.S.; Петрухин, А. А.; Шутенко, В. В.; Volkov, S. N.; Vorobyev, V.; Yashin, I. I.

doi:10.1088/1748-0221/12/07/c07005

Cited by 4 publications

(2 citation statements)

References 12 publications

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“…On the other hand, the DECOR detector is capable of separating particle tracks at a distance of 3 cm, which limits its capabilities when registering high-density bundles of muons. The new TREK detector [23,24], consisting of 264 multiwire drift chambers forming two coordinate planes, will significantly increase the accuracy of reconstruction of such events (Figure 6). Its area is a record 250 m 2 for cosmic ray tracking detector, which makes it possible to cover the side surface of the Cherenkov water detector.…”

Section: Further Development Of the Experimental Complexmentioning

confidence: 99%

A MegaScience class experimental complex at the University

Zadeba

Петрухин

2022

J. Phys.: Conf. Ser.

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In the classification of the Ministry of Science and Higher Education in the National Project “Nauka” (2018), the concept of MegaScience is the name of a class of unique scientific installations, and in general terms, these are large expensive international scientific and research complexes for solution of actual scientific problems. It is emphasized that world-class breakthrough research is impossible within the framework of one university or organization, without attracting multi-billion budgets. However, the practice of MEPhI shows that it is possible to construct the unique scientific installations and to achieve results comparable to the largest international projects within a university in cooperation with other Russian and foreign organizations.

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Section: Further Development Of the Experimental Complexmentioning

confidence: 99%

A MegaScience class experimental complex at the University

Zadeba

Петрухин

2022

J. Phys.: Conf. Ser.

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“…The possibility of registration of muon bundles density of more than 10 particles per m 2 was demonstrated (see figure 2) by means of prototype of TREK called coordinate-tracking unit on drift chambers (CTUDC) [6,7]. CTUDC consists of 2 planes.…”

Section: Large-scale Coordinate-tracking Detector Trekmentioning

confidence: 99%

The FPGA time-to-digital converter for the large-scale detector TREK based on multi-wire drift chambers

Воробьев¹,

Borisov²,

Кожин³

et al. 2020

J. Inst.

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The new large-scale coordinate-tracking detector TREK is under construction in MEPhI. It is based on 264 multi-wire drift chambers (4000× 508× 112 mm3 size) developed in IHEP for experiments on the neutrino channel of the U-70 accelerator, and will have 250 m2 of continuous effective area. The main goal of the project is the solution of so-called “muon puzzle”: the unpredicted by any theory excess of high multiplicity muon bundles generated by ultra-high energy primary cosmic rays. Besides of a set of field-forming wires, each multi-wire drift chamber has 4 signal ones. The current from these wires is processed by the shaper-amplifier AMP-4, mounted on the front of the chamber. It generates LVDS pulses that should be processed by multi-channel TDC that faces two main requirements: large matching window (more than 6000 ns) with last significant digit (LSD) less than 10 ns and capability to hold more than 50 hits per channel in a single event. These conditions were fulfilled by the new time-to-digital converter developed on the basis of Cyclone V FPGA in MEPhI. This paper presents the design of the TDC, its main features and the first benchmarks of its performance.

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