T.M. Semkow

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Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1988

D. G. Sarantites; L. G. Sobotka; T.M. Semkow; V. Abenante; J. M. Elson; J.T. Hood; Z. Li; N. G. Nicolis; D.W. Stracener; J. Valdes; D.C. Hensley

Abstract A 4 π light charged-particle spectrometer is described. The spectrometer consist of 72 fast-low plastic scintillator phoswiches closely packed in a 4 π arrangement. The device is small enough to be enclosed in the spin spectrometer scattering chamber. For each detector that fires, the fast ΔE and slow E pulse heights and a time for each group of 16 detectors are recorded. From this information protons and α particles can be identified and their energies measured over a large dynamic range. The geometry, construction, electronics and data acquisition system are discussed. Examples are given of the performance of this spectrometer from an experiment in which Si ( ΔE , E ) heavy-ion telescopes were used as event triggers and the spin spectrometer detected γ rays and neutrons.

Physical Review C | 1989

M. L. Halbert; J.R. Beene; D.C. Hensley; K. Honkanen; T.M. Semkow; V. Abenante; D. G. Sarantites; Z. Li

Physical Review Letters | 1990

D. G. Sarantites; C. Baktash; N. G. Nicolis; G. Garcia-Bermudez; V. Abenante; J.R. Beene; Noah R. Johnson; M. L. Halbert; D.C. Hensley; F.K. McGowan; H.C. Griffin; I. Y. Lee; Z. Majka; Riley; T.M. Semkow; D.W. Stracener; A. Virtanen

Physical Review C | 1990

N. G. Nicolis; D. G. Sarantites; L. Adler; F.A. Dilmanian; K. Honkanen; Z. Majka; L. G. Sobotka; Z. Li; T.M. Semkow; James R. Beene; M. L. Halbert; D.C. Hensley; J. B. Natowitz; R.P. Schmitt; D. Fabris; G. Nebbia; G. Mouchaty

Physical Review C | 1984

T.M. Semkow; Arthur C. Wahl; Larry Robinson

Physical Review C | 1989

Z. Majka; V. Abenante; Z. Li; N. G. Nicolis; D. G. Sarantites; T.M. Semkow; L. G. Sobotka; D.W. Stracener; J.R. Beene; D.C. Hensley; H. C. Griffin

Physical Review C | 1986

T.M. Semkow; D. G. Sarantites; K. Honkanen; V. Abenante; and L. A. Adler; C. Baktash; Noah R. Johnson; I.Y. Lee; M. Oshima; Y. Schutz; Y. S. Chen; J. X. Saladin; C. Y. Chen; O. Dietzsch; A. J. Larabee; L. L. Riedinger; Henry C. Griffin

Physical Review C | 1985

Larry Robinson; Arthur C. Wahl; T.M. Semkow; Andrew E. Norris

Physical Review C | 1991

A. Chbihi; L. G. Sobotka; Z. Majka; D. G. Sarantites; D.W. Stracener; V. Abenante; T.M. Semkow; N. G. Nicolis; D.C. Hensley; J.R. Beene; M. L. Halbert

Physical Review C | 1988