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# ICRC2015

July 29, 2015 to August 6, 2015
World Forum
Europe/Amsterdam timezone

## NuMoon: Status of ultra high energy particle searches with LOFAR

Jul 30, 2015, 3:30 PM
1h
Amazon Foyer (World Forum)

### Amazon Foyer

#### World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Board: 151
Poster contribution CR-IN

### Speaker

Sander ter Veen (ASTRON)

### Description

The lunar askaryan technique is one of the few ways to obtain a large enough collecting area to detect ultra high energy cosmic rays and neutrinos at the highest end of the spectrum, above 10$^{21}$ eV. The flux of these particles is unknown, but if they are found they either point back to the best cosmic accelerators or may be the products of the decay of exotic particles and a step towards dark matter identification. The large collecting area is especially true for frequencies between 100-200 MHz, where the radiation is spread out over a wider angle and thus more of the lunar surface can be used for a possible detection. The NuMoon project therefore observes the Moon at these frequencies to search for nanosecond pulses. A first project with the Westerbork Synthesis Radio Telescope has placed the most stringent upper limits on the flux of ultra high energy cosmic rays and neutrinos. The next step is to observe with LOFAR, currently the most sensitive low frequency telescope. In this contribution I will present the status and plans of the project.
Collaboration -- not specified -- 0977

### Co-authors

Dr Anna Nelles (Radboud University Nijmegen) Arthur Corstanje (Radboud University Nijmegen) Mr Emilio Enriquez (Radboud University Nijmegen) Gia Trinh (KVI-CART, University of Groningen) Prof. Heino Falcke (Radboud University Nijmegen, ASTRON, MPIfR Bonn) Dr Jörg Hörandel (Radboud University Nijmegen) Dr Jörg Rachen (Radboud University Nijmegen) Dr Laura Rosetto (Radboud University Nijmegen) Dr Maaijke Mevius (ASTRON) Prof. Olaf Scholten (KVI-CART) Dr Pim Schellart (Radboud University Nijmegen) Satyendra Thoudam (Radboud University) Stijn Buitink (Vrije Universiteit Brussel (VUB)) Mr Tijs Karskens (Radboud University Nijmegen)

### Presentation materials

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