It is indeed possible that an ex spouse could be eligible to receive some portion of pension benefits earned during the time of a marriage, if the ex-spouse so petitions the court.
But it is not a good idea to respond to such a petition from the court on the matter unless you are fully versed in the law regarding the topic.
For advice specific to any complex personal legal questions, Standard Legal always recommends you consult a qualified, licensed attorney; you can find a local attorney for FREE at Standard Legal’s Attorney Finder page.