Jana, B.Kathar, P. T.Majumder, A.Thakur, K. B.Das, A. K.2014-12-222014-12-222014Measurement Science & Technology, 2014. Vol. 25 (1): Article no. 015003http://hdl.handle.net/123456789/101384070 bytestext/htmlenphotoionization yieldphotoplasmaoptical absorption methodhollow cathode lampelectrostatic ion-extractorMeasurement of photoionization yield in low-density barium photoplasma studyArticle