Perhaps you should try some spelling variations:
"particles accelerated" » "particles acceleration", "partially accelerated", "lattices accelerated"
"particle accelerator" » "particle acceleration"
"particle accelerators" » "particle accelerations", "particle acceleration", "particle accelerating"
"particle accelerate" » "particle acceleraton", "particle acceleration", "practice accelerate"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("particle accelerator") OR ((("particle accelerators") OR ((("particle accelerate") OR ("particles accelerated")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"particle accelerator\") or (((\"particle accelerators\") or (((\"particle accelerate\") OR (\"particles accelerated\"))))))".
• Removing quotes may allow a broader search: (( particle accelerator ) or ((( particle accelerators ) or ((( particle accelerate ) OR ( particles accelerated )))))).
• Adding a wildcard symbol may retrieve word variants: (("particle accelerator") or ((("particle accelerators") or ((("particle accelerate") OR ("particles accelerated"))))))*.