Detection of low energy antimatter with emulsions

Ariga, Akitaka; Ariga, Tomoko; Ereditato, Antonio; Pistillo, Ciro; Scampoli, Paola (2016). Detection of low energy antimatter with emulsions. Journal of instrumentation, 11(06), P06017-P06017. Institute of Physics Publishing IOP 10.1088/1748-0221/11/06/P06017

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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.

Item Type:

Journal Article (Original Article)

Division/Institute:

10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC)
08 Faculty of Science > Physics Institute > Laboratory for High Energy Physics (LHEP)

UniBE Contributor:

Ariga, Akitaka; Ariga, Tomoko; Ereditato, Antonio; Pistillo, Ciro and Scampoli, Paola

Subjects:

500 Science > 530 Physics

ISSN:

1748-0221

Publisher:

Institute of Physics Publishing IOP

Language:

English

Submitter:

Ciro Pistillo

Date Deposited:

06 Jul 2016 07:55

Last Modified:

10 Jul 2016 02:11

Publisher DOI:

10.1088/1748-0221/11/06/P06017

ArXiv ID:

1605.03944

Additional Information:

Kollaboration. Es sind nur die Berner Autoren namentlich erwähnt.

BORIS DOI:

10.7892/boris.84156

URI:

https://boris.unibe.ch/id/eprint/84156

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