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DTSTART;TZID=America/Los_Angeles:20210702T120000
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SUMMARY:VIRTUAL INPA SEMINAR | María Martínez (Universidad de Zaragoza)
DESCRIPTION:Speaker: María Martínez ​(​Universidad de Zaragoza​)​ \nLocation: via Zoom \nTitle: Annual ​M​odulation ​R​esults ​F​rom ​Three​ ​–​Y​ear ​E​xposure of ANAIS-112 \nAbstract: \nFor more than 20 years\, the DAMA/LIBRA experiment at the Gran Sasso Underground Laboratory (Italy) has claimed a positive dark matter detection: an annual modulation in the low-energy detection rate compatible with the expected signal induced by dark matter particles due to the Earth rotation around the Sun. This signal is in strong tension with the negative results of other very sensitive experiments. However\, until recently a direct comparison using the same target material (NaI(Tl)) was lacking. ANAIS (annual modulation with NaI Scintillators) is a dark matter direct detection experiment located at the Canfranc Underground \n \nLaboratory (LSC\, Spain). Its main goal is to test in a model independent way the DAMA/LIBRA positive result. ANAIS-112 operates 112.5 kg of NaI(Tl) scintillators at the LSC since August 2017 and is taking data smoothly with excellent performances. Results from the first three years are compatible with the absence of modulation and incompatible with the DAMA/LIBRA measured modulation at more than 2.5 sigma C.L.\n\nIn this seminar I will briefly review the DAMA/LIBRA puzzle and the status of the experiments trying to reproduce it. Then I will introduce the ANAIS-112 experimental set-up\, the detector performance and analysis methods. Finally\, I will present the results of the annual modulation analysis corresponding to three years of ANAIS data\, the physical implications and the prospects for the 5 years of scheduled operation time.\n\n\n\nJoin Zoom Meeting​ \n​https://lbnl.zoom.us/j/95105088780\nMeeting ID: 951 0508 8780
URL:https://inpa.lbl.gov/event/virtual-inpa-seminar-maria-martinez-universidad-de-zaragoza/
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