The SHiP experiment at the proposed CERN SPS Beam Dump Facility

Collaboration, SHIP

doi:10.48550/arxiv.2112.01487

Cited by 8 publications

(11 citation statements)

References 23 publications

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“…Another application for which prototypes are already at hand is the envisioned SHiP experiment [ 40 , 41 ]. SiPMs are coupled to the WLS tubes, which are to be deployed in the veto chamber of the experiment.…”

Section: Conclusion Applications and Outlookmentioning

confidence: 99%

The Wavelength-Shifting Optical Module

Bastian-Querner

Binn

Böser

et al. 2022

Sensors

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The wavelength-shifting optical module (WOM) is a novel photosensor concept for the instrumentation of large detector volumes with single-photon sensitivity. The key objective is to improve the signal-to-noise ratio, which is achieved by decoupling the photosensitive area of a sensor from the cathode area of its photomultiplier tube (PMT). The WOM consists of a transparent tube with two PMTs attached to its ends. The tube is coated with wavelength-shifting paint that absorbs ultraviolet photons with nearly 100% efficiency. Depending on the environment, e.g., air (ice), up to 73% (41%) of the subsequently emitted optical photons can be captured by total internal reflection and propagate towards the PMTs, where they are recorded. The optical properties of the paint, the geometry of the tube, and the coupling of the tube to the PMTs have been optimized for maximal sensitivity based on theoretical derivations and experimental evaluations. Prototypes were built to demonstrate the technique and to develop a reproducible construction process. Important measurable characteristics of the WOM are the wavelength-dependent effective area, the transit time spread of detected photons, and the signal-to-noise ratio. The WOM outperforms bare PMTs, especially with respect to the low signal-to-noise ratio with an increase of a factor up to 8.9 in air (5.2 in ice). Since the gain in sensitivity is mostly in the UV regime, the WOM is an ideal sensor for Cherenkov and scintillation detectors.

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Section: Conclusion Applications and Outlookmentioning

confidence: 99%

The Wavelength-Shifting Optical Module

Bastian-Querner

Binn

Böser

et al. 2022

Sensors

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“…The proposed SHiP experiment [49] specifically aims at searching for a large number of hidden new-physics states, among which weakly-interacting long-lived dark sector mediators. The beam dump is L tg = 11.2 m long and proposed to be made of Molybdenum.…”

Section: B Ship Proton Beam-dump Experimentsmentioning

confidence: 99%

Searching for Muonphilic Dark Sectors with Proton Beams

Rella,

Döbrich,

2022

Preprint

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Proton beam-dump experiments are a high-intensity source of secondary muons and provide an opportunity to probe muon-specific dark sectors. We adopt a simplified-models framework for an exotic light scalar particle coupling predominantly or exclusively to muons. Equipped with state-ofthe-art muon simulations, we compute the sensitivity reach in the parameter space (mS, gµ) of the dark mediator, examining in detail the examples of the experiment NA62 in beam-dump mode and the proposed experiment SHiP. We find a significant yield of such exotics in the sub-GeV mass range. Our projections are competitive with those of primary muon-beam experiments and complementary to current constraints, spanning uncharted parameter space and accessing new physics potentially responsible for the (g − 2)µ anomaly.

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“…It is possible to search for the high-y and three muon anomalies, and similar processes, using the ν τ i.e., ν τ + N → 3τ + X [120].…”

Section: B Back To the Old Rare Processesmentioning

confidence: 99%

Challenges for the 3-3-1 models

Pleitez¹

2021

Preprint

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The so-called 3-3-1 models have been widely studied in the literature. However, in almost all cases, as with other models, just simplified versions have been consider. On the other hand, the LHC has not neither confirmed nor rejected any model. In this paper we consider some aspects of the 3-3-1 models that must be investigated, or be re-analyzed, firstly theoretically and, eventually, experimentally. Some of these issues are independent of the representation content of the particular model, that is, they are independent of the value of the β parameter. However, others strongly depend on the particular model considered.

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The SHiP experiment at the proposed CERN SPS Beam Dump Facility

Cited by 8 publications

References 23 publications

The Wavelength-Shifting Optical Module

The Wavelength-Shifting Optical Module

Searching for Muonphilic Dark Sectors with Proton Beams

Challenges for the 3-3-1 models

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