000056649 001__ 56649
000056649 005__ 20161128121246.0
000056649 0247_ $$2doi$$a10.1007/JHEP01(2016)104
000056649 0248_ $$2sideral$$a95702
000056649 037__ $$aART-2016-95702
000056649 041__ $$aeng
000056649 100__ $$aFerrario, P.
000056649 245__ $$aFirst proof of topological signature in the high pressure xenon gas TPC with electroluminescence amplification for the NEXT experiment
000056649 260__ $$c2016
000056649 5060_ $$aAccess copy available to the general public$$fUnrestricted
000056649 5203_ $$aAbstract: The NEXT experiment aims to observe the neutrinoless double beta decay of 136Xe in a high-pressure xenon gas TPC using electroluminescence (EL) to amplify the signal from ionization. One of the main advantages of this technology is the possibility to reconstruct the topology of events with energies close to Qßß. This paper presents the first demonstration that the topology provides extra handles to reject background events using data obtained with the NEXT-DEMO prototype.
Single electrons resulting from the interactions of 22Na 1275 keV gammas and electron- positron pairs produced by conversions of gammas from the 228Th decay chain were used to represent the background and the signal in a double beta decay. These data were used to develop algorithms for the reconstruction of tracks and the identification of the energy deposited at the end-points, providing an extra background rejection factor of 24.3 ± 1.4 (stat.)%, while maintaining an efficiency of 66.7 ± 1.% for signal events.
000056649 536__ $$9info:eu-repo/grantAgreement/EUR/FP7/ERC-339787-NEXT$$9info:eu-repo/grantAgreement/ES/MINECO/Consolider-Ingenio-2010/CSD2008-00037$$9info:eu-repo/grantAgreement/ES/MINECO/FIS2012-37947-C04$$9info:eu-repo/grantAgreement/ES/MINECO/FPA2009-13697-C04-04
000056649 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/
000056649 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000056649 700__ $$aLaing, A.
000056649 700__ $$aLópez-March, N.
000056649 700__ $$aGómez-Cadenas, J. J.
000056649 700__ $$aÁlvarez, V.
000056649 700__ $$aAzevedo, C.D.R.
000056649 700__ $$aBorges, F.I.G.
000056649 700__ $$aCárcel, S.
000056649 700__ $$0(orcid)0000-0002-6948-5101$$aCebrian Guajardo, Susana$$uUniversidad de Zaragoza
000056649 700__ $$aCervera, A.
000056649 700__ $$aConde, C.A.N.
000056649 700__ $$0(orcid)0000-0002-8921-910X$$aDafni , Theopisti$$uUniversidad de Zaragoza
000056649 700__ $$aDíaz, J.
000056649 700__ $$aDiesburg, M.
000056649 700__ $$aEsteve, R.
000056649 700__ $$aFernandes, L.M.P.
000056649 700__ $$aFerreira, A.L.
000056649 700__ $$aFreitas, E.D.C.
000056649 700__ $$aGehman, V.M.
000056649 700__ $$aGoldschmidt, A.
000056649 700__ $$aGonzález-Díaz, D.
000056649 700__ $$aGutiérrez, R. M.
000056649 700__ $$aHauptman, J.
000056649 700__ $$aHenriques, C.A.O.
000056649 700__ $$aHernando Morata, J. A.
000056649 700__ $$0(orcid)0000-0003-1163-1687$$aGarcía Irastorza, Igor$$uUniversidad de Zaragoza
000056649 700__ $$aLabarga, L.
000056649 700__ $$aLebrun, P.
000056649 700__ $$aLiubarsky, I.
000056649 700__ $$aLorca, D.
000056649 700__ $$aLosada, M.
000056649 700__ $$0(orcid)0000-0002-5352-1884$$aLuzón Marco, Gloria$$uUniversidad de Zaragoza
000056649 700__ $$aMarí, A.
000056649 700__ $$aMartín-Albo, J.
000056649 700__ $$aMartínez-Lema, G.
000056649 700__ $$aMartínez, A.
000056649 700__ $$aMiller, T.
000056649 700__ $$aMonrabal, F.
000056649 700__ $$aMonserrate, M.
000056649 700__ $$aMonteiro, C.M.B.
000056649 700__ $$aMora, F.J.
000056649 700__ $$aMoutinho, L.M.
000056649 700__ $$aMuñoz Vidal, J.
000056649 700__ $$aNebot-Guinot, M
000056649 700__ $$aNovella, P.
000056649 700__ $$aNygren, D.
000056649 700__ $$aPara, A.
000056649 700__ $$aPérez, J.
000056649 700__ $$aPérez Aparicio, J. L.
000056649 700__ $$aQuerol, M.
000056649 700__ $$aRenner, J.
000056649 700__ $$aRipoll, L.
000056649 700__ $$aRodríguez, J.
000056649 700__ $$aSantos, F.P.
000056649 700__ $$ados Santos, J. M. F.
000056649 700__ $$aSerra, L.
000056649 700__ $$aShuman, D.
000056649 700__ $$aSimón, A.
000056649 700__ $$aSofka, C.
000056649 700__ $$aSorel, M.
000056649 700__ $$aToledo, J.F.
000056649 700__ $$aTorrent, J.
000056649 700__ $$aTsamalaidze, Z.
000056649 700__ $$aVeloso, J.F.C.A.
000056649 700__ $$0(orcid)0000-0003-0228-7589$$aVillar Rivacoba, José Ángel$$uUniversidad de Zaragoza
000056649 700__ $$aWebb, R.
000056649 700__ $$aWhite, J.T.
000056649 700__ $$aYahlali, N.
000056649 700__ $$aYepes-Ramírez, H.
000056649 7102_ $$12004$$2390$$aUniversidad de Zaragoza$$bDepartamento de Física Teórica$$cFísica Atómica, Molecular y Nuclear
000056649 773__ $$g01 (2016), 104 [18 pp.]$$pJ. high energy phys.$$tJOURNAL OF HIGH ENERGY PHYSICS$$x1126-6708
000056649 8564_ $$s526280$$uhttp://zaguan.unizar.es/record/56649/files/texto_completo.pdf$$yVersión publicada
000056649 8564_ $$s76130$$uhttp://zaguan.unizar.es/record/56649/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000056649 909CO $$ooai:zaguan.unizar.es:56649$$particulos$$pdriver
000056649 951__ $$a2016-11-28-12:09:33
000056649 980__ $$aARTICLE