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TY - CONF AU - Bartnik, A.C. AU - Bazarov, I.V. AU - Cultrera, L. AU - Dunham, B.M. AU - Gulliford, C.M. AU - Maxson, J.M. ED - Belomestnykh, Sergey ED - Hoffman, Caitlin M. ED - Schaa, Volker RW TI - Cornell Injector Performance J2 - Proc. of ERL2015, Stony Brook, NY, USA, June 7-12, 2015 C1 - Stony Brook, NY, USA T2 - ICFA Advanced Beam Dynamics Workshop on Energy Recovery Linacs T3 - 56 LA - english AB - We present the results of transverse emittance and longitudinal current profile measurements of high bunch charge (>100 pC) beams produced in the dc gun-based Cornell photoinjector. In particular, we show that the cathode thermal emittance dominates the final emittance at charges up to 300 pC. Additionally, we demonstrate excellent agreement between optimized 3D space charge simulations and measurement, and show that the quality of the transverse laser distribution limits the optimal simulated and measured emittances. PB - JACoW CP - Geneva, Switzerland SP - 4 EP - 3 DA - 2015/09 PY - 2015 SN - 978-3-95450-183-0 DO - 10.18429/JACoW-ERL2015-MOPCTH008 UR - http://jacow.org/ERL2015/papers/mopcth008.pdf ER -