Planning for the next generation of proton-decay experiments in the United States Page: 1 of 16

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AU L-HEP-CP--82-17
DE83 010741

ANL-HEP-CP-82-17

PLANNING FOR THE NEXT GENERATION OF PROTON-DECAY
EXPERIMENTS IN THE UNITED STATES*

D. S. Ayres
High-Energy-Physics Division, Argonne National Laboratory
Argonne, Illinois 60439
Abstract
There are now three well-developed proposals for new
proton-decay detectors to be built in the United States.
These are the 1000-5000-ton Soudan 2 tracking calorimeter,
the 1400-ton Homestake II liquid scintillator Tracking
Spectrometer, and the 2500-ton University of Pennsylvania
liquid-scintillator - proportional-drift-cell calorimeter.
These proposals were reviewed by the Department of Energy
Technical Assessment Panel on Proton Decay in February
1982. I shall describe the Soudan and Pennsylvania
proposals, present the latest results from the 31-ton
Soudan 1 experiment, and discuss the recommendations of
the DOE Panel. Following these recommendations, a one-
week workshop, to be held at Argonne in June, will focus
on the optimization of techniques for future experiments.

1. Introduction
In February 1982 the U.S. Department of Energy Technical
Assessment Panel on Proton Decay met to review the status of the U.S.
proton decay experiments which are in operation or construction, and
to consider proposals for new experiments. The experiments make use
of three general techniques, each with special capabilities and
limitations: the water Cerenkov detectors, the fine-grained sampling
calorimeters (typically built of iron and track chambers), and the
*Talk presented at the Third Workshop on Grand Unification, Chapel
Hill, North Carolina, 15-17 April 1982.
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Ayres, D.S. Planning for the next generation of proton-decay experiments in the United States, article, January 1, 1982; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1112452/m1/1/ocr/: accessed April 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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