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We use PACS and SPIRE continuum data at 160 um, 250 um, 350 um, and 500 umfrom the Herschel Gould Belt Survey to sample seven clumps in Perseus: B1,B1-E, B5, IC348, L1448, L1455, and NGC1333. Additionally, we identify andcharacterize the embedded Class 0 protostars using detections of compactHerschel sources at 70 um as well as archival Spitzer catalogues and SCUBA 850um photometric data. We identify 28 candidate Class 0 protostars, four of whichare newly discovered sources not identified with Spitzer. We find that the starformation efficiency of clumps, as traced by Class 0 protostars, correlatesstrongly with the flatness of their respective column density distributions athigh values. This correlation suggests that the fraction of high column densitymaterial in a clump reflects only its youngest protostellar population ratherthan its entire source population. We propose that feedback from either theformation or evolution of protostars changes the local density structure ofclumps.

Class 0 Protostars in the Perseus Molecular Cloud: A Correlation Between the Youngest Protostars and the Dense Gas Distribution