The small angle spectrometer of experiment UA8 at the SppS-collider

A. Brandt*, J. Ellett, S. Erhan, R. Jackson, A. Kuzucu, M. Medinnis, P. Oillataguerre, N. Ozdes, P. Schlein, M. Zeyrek, J. Zweizig, J. B. Cheze, J. Zsembery

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةArticleمراجعة النظراء

7 اقتباسات (Scopus)

ملخص

Experiment UA8 at the SppS-collider studied the production of hadronic jets in pp interactions which also contained final state protons or antiprotons with more than 90% of the full beam momentum of 315 GeV. Four Roman pot spectrometers were installed in interaction region LSS4 and interfaced to the data acquisition system of the UA2 calorimeter experiment, such that UA8 data could be logged on UA2 raw data tapes. In order to minimally perturb normal UA2 data acquisition and allow concurrent operation for the life of the experiment, an efficient high speed data-driven trigger processor was employed. The processor calculated the momentum of a track in a Roman pot spectrometer with 1.4% accuracy in 450 ns, thereby allowing a trigger decision to be made within 1.3 μs. We describe the integration of this processor into the high bandwidth readout of the UA8 wire chamber TDC system, and the on-line software package which monitored the hardware operation. The suppression of backgrounds from beam halo and multiple interactions in a bunch crossing is also discussed.

اللغة الأصليةEnglish
الصفحات (من إلى)412-426
عدد الصفحات15
دوريةNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
مستوى الصوت327
رقم الإصدار2-3
المعرِّفات الرقمية للأشياء
حالة النشرPublished - أبريل 1 1993
منشور خارجيًانعم

ASJC Scopus subject areas

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