Call for proposals at ALTO for 2024

Dear Colleagues,

The next meeting of the ALTO PAC (Program Advisory Committee) will be held at IJCLab from the 12th to th 13th of February at Orsay.

Proposals or Letters of Intent can be now be submitted to be considered at this next PAC meeting. The deadline is the 21st of January 2024 at 23h59. The beam time requests for the period of March 2024 to March 2025 will be examined.

The submission of proposals must be done through the ALTO Users Group (AUG) website ( All the instructions and the template are provided in the AUG website (at the “Submit a proposal” section). To login you will first be asked to register as an ALTO User. Please use your previous account is you have already created one.

For the period of March 2024 to March 2025 the PAC ( will consider applications for both areas of the facility : ALTO-HEB and ALTO-LEB. The beam productions for both areas can be found on the ALTO website ( The list of the current instruments and the name of the person in charge is available here ( Only commissioned experiments will be evaluated by the PAC. Some instruments could have beamtime scheduled in the next evaluated period. Do not hesitate to contact me to know the current status of the experiments.

If you require further information please don’t hesitate to contact me.

Enrique Minaya Ramirez

Scientific Coordinator of the ALTO facility at IJCLab


All beam time access for research purposes at ALTO is evaluated by the Program Advisory Committee (PAC – Programme Advisory Comittee (PAC) / Beam time – Plateforme ALTO – Accélérateur Linéaire et Tandem à Orsay ( ) which meets typically once a year to evaluate proposals for experiments.

ALTO is part of the European Trans National Access Network, EUROLABS. If more than half the collaborators on an accepted proposal are from institutions outside France then the experiment can be eligible for Trans National Access financial support for users travel expenses. Priority is given to young researchers and first time users.

The EURO-LABS support offers to the selected user the same services as other users in matter of access to the infrastructure and to ALTO guest house: Access procedure – Plateforme ALTO – Accélérateur Linéaire etTandem à Orsay ( ). In addition, there is a financial support per user up to 300 euros for the travel expenses and a per diem (58,50 euros per hotel night, including breakfast, and 15,75 euros per meal).

To apply for EUROLABS support please contact The members of the user selection panel (USP) are the ALTO scientific coordinator and the ALTO PAC chairman.

More information about the EUROLABS network can be found here: