TY - JOUR AU - Szentmiklósi, László AU - Révay, Zsolt AU - Belgya, Tamás TI - An improved beam chopper setup at the Budapest PGAA facility JF - NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS J2 - NUCL INSTRUM METH B VL - 263 PY - 2007 IS - 1 SP - 90 EP - 94 PG - 5 SN - 0168-583X DO - 10.1016/j.nimb.2007.04.140 UR - https://m2.mtmt.hu/api/publication/1233817 ID - 1233817 AB - Modulating neutron beams with a beam chopper enables the investigation of time-dependent processes following neutron capture, such as emission of decay-gamma-radiation from short-lived nuclides. For this purpose, a redesigned beam chopper and controller electronics have been recently installed at the PGAA facility of the Budapest Research Reactor. The new electronics provides accurate timing and better control of routing of the signals. The upgraded instrumentation is capable of recording the events in the beam-on and beam-off phases in parallel. Simplified formulae were derived to relate the areas of prompt- and decay peaks to the partial gamma-ray production cross-sections. Finally, preliminary results obtained with Ag- and Na-containing targets are presented. (C) 2007 Elsevier B.V. All rights reserved. LA - English DB - MTMT ER - TY - JOUR AU - Révay, Zsolt AU - Belgya, Tamás AU - Kasztovszky, Zsolt AU - Weil, Jesse L AU - Molnár, Gábor TI - Cold neutron PGAA facility at Budapest. 5th Topical Meeting on Industrial Radiation and Radioisotope (IRRMA-V) TS - 5th Topical Meeting on Industrial Radiation and Radioisotope (IRRMA-V) JF - NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS J2 - NUCL INSTRUM METH B VL - 213 PY - 2004 SP - 385 EP - 388 PG - 4 SN - 0168-583X DO - 10.1016/S0168-583X(03)01653-7 UR - https://m2.mtmt.hu/api/publication/1233796 ID - 1233796 AB - The new cold neutron prompt gamma activation analysis (PGAA) facility provides improved capabilities for routine prompt gamma analysis and for the investigation of radiative neutron capture. The versatile beam chopper makes possible time-of-flight measurements and the acquisition of prompt and decay spectra simultaneously. The chopped beam PGAA technique combines the advantages of the in-beam measurement and the greater simplicity of decay gamma spectra. (C) 2003 Elsevier B.V. All rights reserved. LA - English DB - MTMT ER - TY - CHAP AU - Belgya, Tamás AU - Révay, Zsolt AU - Fazekas, B AU - Héjja, I AU - Dabolczi, L AU - Molnár, Gábor AU - Kis, Zoltán AU - Östör, J AU - Kaszás, GY ED - Molnár, Gábor ED - Belgya, Tamás ED - Révay, Zsolt TI - The new Budapest capture gamma-ray facility T2 - Proc. 9th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics PB - Springer Netherlands CY - Budapest CY - Berlin SN - 9637775552 PY - 1997 SP - 826 EP - 837 PG - 12 UR - https://m2.mtmt.hu/api/publication/1233763 ID - 1233763 LA - English DB - MTMT ER -