A new application of emulsions to measure the gravitational force on antihydrogen

Amsler, C.; Ariga, A.; Ariga, T.; Braccini, S.; Canali, C.; Ereditato, A.; Kawada, J.; Kimura, Mitsuhiro; Kreslo, I.; Pistillo, C.; Scampoli, P.; Storey, J. W.

doi:10.1088/1748-0221/8/02/p02015

Cited by 32 publications

(39 citation statements)

References 21 publications

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“…It also prevents background enhancement during handling and transportation operations. Furthermore, glycerine is added to the gel at a concentration of 1.5% to allow operation in vacuum, as described in [2]. The densities of the emulsion layer and the protective layer were 4.0 ± 0.3 g/cm 3 and 1.3 ± 0.1 g/cm 3 respectively.…”

Section: Methodsmentioning

confidence: 99%

Detection of low energy antimatter with emulsions

Aghion¹,

Ariga²,

Ariga³

et al. 2016

J. Inst.

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Emulsion detectors feature a very high position resolution and consequently represent an ideal device when particle detection is required at the micrometric scale. This is the case of quantum interferometry studies with antimatter, where micrometric fringes have to be measured. In this framework, we designed and realized a new emulsion based detector characterized by a gel enriched in terms of silver bromide crystal contents poured on a glass plate. We tested the sensitivity of such a detector to low energy positrons in the range 10-20 keV. The obtained results prove that nuclear emulsions are highly efficient at detecting positrons at these energies. This achievement paves the way to perform matter-wave interferometry with positrons using this technology.

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Section: Methodsmentioning

confidence: 99%

Detection of low energy antimatter with emulsions

Aghion¹,

Ariga²,

Ariga³

et al. 2016

J. Inst.

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“…There was another problem in vacuum due to mechanical stress caused by the drying process, which increases the random noise to unacceptably high values, however this problem was solved by adding glycerin as we reported in Ref. 9. At 77 K, the performance of emulsion detectors is not well known.…”

Section: Emulsion Detectors In the Aegis Experimentsmentioning

confidence: 98%

Measuring GBAR with emulsion detector

Ariga

Aghion

Ahlén

et al. 2014

Int. J. Mod. Phys. Conf. Ser.

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“…To accomplish this, emulsion detectors with nanometric precision readout will be used. The emulsion detector has a position resolution of 50 nm [4], which translates to an intrinsic angular resolution of 0.35 mrad with a 200-µm-thick plastic base layer ( Fig. 2 (left)).…”

Section: Principle Of the Experimentsmentioning

confidence: 99%

Study of tau-neutrino production at the CERN SPS

Ariga¹

2019

Proceedings of the 39th International Conference on High Energy Physics — PoS(ICHEP2018)

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Lepton universality in tau-neutrino (ν τ ) scattering has been poorly tested. More precise measurement of the ν τ cross section would enable a search for new physics effects in ν τ -nucleon CC interactions. Such measurement also has practical importance for next-generation neutrino oscillation experiments and astrophysical ν τ observations. The DsTau project has been proposed at CERN SPS to study tau-neutrino production with the aim of providing important data for future ν τ measurements. For ν τ cross section measurements, the practical method of producing an artificial ν τ beam employs the sequential decay of D s mesons produced in high-energy proton interactions. However, there has been no experimental measurement of the D s differential production cross section in fixed-target experiments using proton beams, which leads to a large systematic uncertainty on the ν τ flux estimation. The DsTau project aims to reduce this uncertainty in the current cross section measurement from about 50% to 10% by measuring the D s differential production cross section. For this purpose, emulsion detectors with a 50-nm spatial resolution will allow the detection of D s → τ → X double kinks in a few mm range. Results from the beam tests conducted in 2016-2017 are presented together with a prospect for the pilot run in 2018 and the physics run in 2021.

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A new application of emulsions to measure the gravitational force on antihydrogen

Cited by 32 publications

References 21 publications

Detection of low energy antimatter with emulsions

Detection of low energy antimatter with emulsions

Measuring GBAR with emulsion detector

Study of tau-neutrino production at the CERN SPS

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