Bulletin of the American Physical Society
APS April Meeting 2013
Volume 58, Number 4
Saturday–Tuesday, April 13–16, 2013; Denver, Colorado
Session J2: Invited Session: Instrumentation in HEP |
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Sponsoring Units: DPF Chair: Sally Seidel, University of New Mexico Room: Plaza D |
Sunday, April 14, 2013 1:30PM - 2:06PM |
J2.00001: Particle Physics and Instrumentation - Physics and Technology Invited Speaker: Ronald Lipton The impact of experimental science is defined by the capabilities of its instruments. Particle Physics, reaching to increasingly small scales, depends on advances both in accelerator and detector technology to explore high energies and rare processes. The importance of Instrumentation to the Particle Physics program has been recognized by the creation of an ``Instrumentation Frontier'' within the 2013 DPF ``Snowmass'' planning process. We give examples of how physics needs have guided development of technologies for the Energy and Intensity Frontiers. We describe how current technology has limited our reach and what new technologies may be on the horizon. We will also discuss the status of the Instrumentation Frontier work in preparation for the Community Summer Study this summer in Minneapolis. [Preview Abstract] |
Sunday, April 14, 2013 2:06PM - 2:42PM |
J2.00002: The role of HEP in the National Research Infrastructure Invited Speaker: Eric Isaacs |
Sunday, April 14, 2013 2:42PM - 3:18PM |
J2.00003: High-pressure Xenon Gas Electroluminescent TPC Concept for Simultaneous Searches for Neutrino-less Double Beta Decay {\&} WIMP Dark Matter Invited Speaker: David Nygren Xenon is an especially attractive candidate for both direct WIMP and 0- decay searches. Although the current trend has exploited the liquid phase, gas phase xenon offers some remarkable performance advantages for energy resolution, topology visualization, and discrimination between electron and nuclear recoils. The \textbf{\textit{NEXT-100}} experiment, now beginning construction in the Canfranc Underground Laboratory, Spain, will operate at $\sim$12 bars with 100 kg of $^{136}$Xe for the 0- decay search. I will describe recent results with small prototypes, indicating that \textbf{\textit{NEXT-100}} can provide about 0.5{\%} FWHM energy resolution at the decay 2457.83 keV Q-value, as well as rejection of -rays by topology. However, sensitivity goals for WIMP dark matter and 0- decay searches indicate the need for ton-scale active masses; \textbf{\textit{NEXT-100}} provides the springboard to reach this scale with xenon gas. I describe a scenario for performing both searches in a single high-pressure ton-scale xenon gas detector, without significant compromise to either. In addition, -- even in a single, ton-scale, high-pressure xenon gas TPC, an intrinsic sensitivity to the nuclear recoil direction may exist -- plausibly offering an advance of more than two orders of magnitude relative to current low-pressure TPC concepts. I argue that, in an era of deepening fiscal austerity, such a dual-purpose detector may be possible, at acceptable cost, within the time frame of interest, and deserves our collective attention. [Preview Abstract] |
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