To arrange access to the ALTO facility as an experiment participant it is crucial to send the following procedure at least two weeks before your visit. If these steps are not followed access will not be possible.

1. Download the required forms here alto-user-forms

If you want to access the ALTO control room and data acquisition area only :

2. Fill in the badge request form (109 access only), read the safety memento.

3. Send the badge request form to altoaccess@ijclab.in2p3.fr . You will receive a confirmation email.

4. If you wish to reserve a room in the ALTO Guest House please book a room here :
https://rooms.ijclab.in2p3.fr/

If you wish to access the ALTO control room,data acquisition area and a controlled area (rotonde access) :

2. Fill in the badge request form (109 access and 109 rotonde access), read the safety memento, read and sign the acknowledgement of radiation safety guide.

3. Send these forms to  altoaccess@ijclab.in2p3.fr  along with:

– a valid medical certificate no older than 2 years from the date of your visit;

– and a photo of the passive dosimeter provided by your employer as well as its period of validity.

You will receive a confirmation email.

4. If you wish to reserve a room in the ALTO Guest House please book a room here :
https://rooms.ijclab.in2p3.fr/

On arrival you should follow the instructions in your confirmation email to obtain the access badge and room key if you have booked a room. The ALTO facility and guest house rooms are shown on the map.

On leaving you should do the following:

  1. Return your access badge to the same place you retrieved it.
  2. If you booked a room, then you should leave your keys in the same place you retrieved them and pay your bill at the administration, building 100M.

We hope you have a profitable and pleasant time as a user of the ALTO facility and that you enjoy your stay in the ALTO Guest House if you booked a room.