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relevant works."}],"resultDescription":"Returns a JSON object with the interpreted query, sort order applied, total matching papers, and a list of up to 20 paper records each containing title, authors, author count, date, paper type, arXiv ID, DOI, journal reference, abstract, citation count, and canonical URL, plus a source label and optional caveat note.","failureModes":["No papers found for highly specific or misspelled queries — returns empty papers array","Invalid INSPIRE query syntax may return unexpected results or an error","Limit parameter outside 1–20 range may be rejected or clamped","Network or upstream INSPIRE-HEP API downtime causing 502 or timeout","Payment failure (x402) if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you specifically need high-energy physics and particle physics literature from the INSPIRE-HEP database, which is the authoritative source for that domain. 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