Abstract Submission

Abstracts can be submitted on the JACoW FEL2026 Indico site. 

For questions about managing abstracts, please contact: fel2026@slac.stanford.edu.

Notification of Acceptance

We will review all submissions and will accept them as contributions to the conference. Acceptance will be sent by email by June 1, 2026 and we will await confirmations to establish the sessions.

Abstract Withdrawal

Authors can withdraw abstracts independently until they are accepted as contributions in the program. If you need to withdraw your abstract after acceptance, please contact the fel2026@slac.stanford.edu, specifying your abstract title and ID.

All contributions to FEL2026 can be managed via the JACoW FEL2026 Indico site.

Abstract Submission Instructions

Note: Authors must have a JACoW account with up-to-date information. All abstracts will be submitted exclusively through Indico. Abstracts not submitted via Indico will not be considered for FEL2026. Detailed instructions can be found on the JACoW Documentation site.

1. Check Your JACoW Account

All submitting authors must have an account within the JACoW Repository before submitting an abstract.

Login to the JACoW Central Repository

If you are unsure whether you already have a JACoW account, please check and search for your name in the Central Repository. Follow the instructions to create an account.

Before submitting, we suggest that all authors verify their personal data in the Central Repository. It is essential that data such as email address and main affiliation are up-to-date, as they will be used in the Indico system for the authors' list, and to create the abstracts booklet and final proceedings published on JACoW. Ensure your information is correct at all stages by clicking on the “Modify Your Profile” link.

2. Login to the FEL2026 Indico System

Once you have a JACoW account, log in to FEL2026 Indico.

3. Submit Your Abstract

Click on the “Call for abstracts” link in the left menu and follow the instructions on the documentation site.

4. Special Instructions for the Abstract Submission Form

• Abstract Title
  Enter the title in Sentence case. Use capitals only where appropriate (e.g., acronyms or SI units).
  Example: The EXP experiment running at 4 GeV
• Abstract Content
  Text should not exceed 1200 characters. Use asterisks (*, **, etc.) to indicate footnotes.
• Special Characters
  Avoid using Greek symbols, superscripts, subscripts, LaTeX, Markdown, etc. Please submit text-only abstracts. Note: Indico will preview the content, and may interpret asterisks as Markdown commands, but this will not affect the final appearance in the Abstract Booklet and proceedings.
• Entry of Co-authors
  Only the main author (first) should be listed in the “Authors” section of the abstract in Indico. All other authors should be added as “Co-authors.” The author or co-author marked as “Speaker” (Presenter) will be the one to present the paper in the oral session or poster session.  The Speaker designation is indicated with the microphone icon next to the Author/Co-Author buttons.
• Contribution Type
  There will be two options for authors: "Invited talks" or "Posters". Those who received invitations from SPC should submit abstracts by choosing Invited talks, and all others please select Posters. The SPC will eventually select Contributed Oral Presentations from the set of posters proposed here based on session slot availability.
• Classification of Abstracts (Tracks)
  Contributions will be grouped by Sessions. It is the responsibility of authors to assign their abstracts proper group to ensure they are placed correctly in the conference program.
• Footnotes
  Footnotes should not exceed 200 characters. Please use "*", "**", etc., for references to publications as many times as necessary and with a carriage return between each.
• Funding Agency
  If necessary, enter funding agency and contract. This field should not be used to request sponsorship. Should not exceed 200 characters.
• Privacy Policy
  To take part to the conference it is required to accept the privacy policy statement. 

To create JACoW profiles for new authors, please follow the instructions on JACoW Documentation site.