LUX-ZEPLIN

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Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory

(2024)

Authors:

XLZD Collaboration, J Aalbers, K Abe, M Adrover, S Ahmed Maouloud, DS Akerib, AK Al Musalhi, F Alder, L Althueser, DWP Amaral, CS Amarasinghe, A Ames, B Andrieu, N Angelides, E Angelino, B Antunovic, E Aprile, HM Araújo, JE Armstrong, M Arthurs, M Babicz, D Bajpai, A Baker, M Balzer, J Bang, E Barberio, JW Bargemann, E Barillier, A Basharina-Freshville, L Baudis, D Bauer, M Bazyk, K Beattie, N Beaupere, NF Bell, L Bellagamba, T Benson, A Bhatti, TP Biesiadzinski, R Biondi, Y Biondi, HJ Birch, E Bishop, A Bismark, C Boehm, K Boese, A Bolotnikov, P Brás, R Braun, A Breskin, CAJ Brew, S Brommer, A Brown, G Bruni, R Budnik, S Burdin, C Cai, C Capelli, G Carini, MC Carmona-Benitez, M Carter, A Chauvin, A Chawla, H Chen, JJ Cherwinka, YT Chin, NI Chott, AP Cimental Chavez, K Clark, AP Colijn, DJ Colling, J Conrad, MV Converse, R Coronel, D Costanzo, A Cottle, G Cox, JJ Cuenca-García, D Curran, D Cussans, V D'Andrea, LC Daniel Garcia, I Darlington, S Dave, A David, GJ Davies, MP Decowski, A Deisting, J Delgaudio, S Dey, C Di Donato, L Di Felice, P Di Gangi, S Diglio, C Ding, JEY Dobson, M Doerenkamp, G Drexlin, E Druszkiewicz, CL Dunbar, K Eitel, A Elykov, R Engel, SR Eriksen, S Fayer, NM Fearon, AD Ferella, C Ferrari, N Fieldhouse, H Fischer, H Flaecher, T Flehmke, M Flierman, ED Fraser, TMA Fruth, K Fujikawa, W Fulgione, C Fuselli, P Gaemers, R Gaior, RJ Gaitskell, N Gallice, M Galloway, F Gao, N Garroum, A Geffre, J Genovesi, C Ghag, S Ghosh, R Giacomobono, R Gibbons, F Girard, R Glade-Beucke, F Glück, S Gokhale, L Grandi, J Green, J Grigat, MGD van der Grinten, R Größle, H Guan, M Guida, P Gyorgy, JJ Haiston, CR Hall, T Hall, R Hammann, V Hannen, S Hansmann-Menzemer, N Hargittai, E Hartigan-O'Connor, SJ Haselschwardt, M Hernandez, SA Hertel, A Higuera, C Hils, K Hiraoka, L Hoetzsch, M Hoferichter, GJ Homenides, NF Hood, M Horn, DQ Huang, S Hughes, D Hunt, M Iacovacci, Y Itow, E Jacquet, J Jakob, RS James, F Joerg, S Jones, AC Kaboth, F Kahlert, AC Kamaha, Y Kaminaga, M Kara, P Kavrigin, S Kazama, M Keller, P Kemp-Russell, D Khaitan, P Kharbanda, B Kilminster, J Kim, R Kirk, M Kleifges, M Klute, M Kobayashi, D Kodroff, D Koke, A Kopec, EV Korolkova, H Kraus, S Kravitz, L Kreczko, B von Krosigk, VA Kudryavtsev, F Kuger, N Kurita, H Landsman, RF Lang, C Lawes, J Lee, B Lehnert, DS Leonard, KT Lesko, L Levinson, A Li, I Li, S Li, S Liang, Z Liang, J Lin, Y-T Lin, S Lindemann, S Linden, M Lindner, A Lindote, WH Lippincott, K Liu, J Loizeau, F Lombardi, JAM Lopes, MI Lopes, W Lorenzon, M Loutit, C Lu, GM Lucchetti, T Luce, S Luitz, Y Ma, C Macolino, J Mahlstedt, B Maier, PA Majewski, A Manalaysay, A Mancuso, L Manenti, RL Mannino, F Marignetti, T Marley, T Marrodán Undagoitia, K Martens, J Masbou, E Masson, S Mastroianni, C Maupin, C McCabe, ME McCarthy, DN McKinsey, JB McLaughlin, A Melchiorre, J Menéndez, M Messina, EH Miller, B Milosovic, S Milutinovic, K Miuchi, R Miyata, E Mizrachi, A Molinario, CMB Monteiro, ME Monzani, K Morå, S Moriyama, E Morrison, E Morteau, Y Mosbacher, BJ Mount, J Müller, M Murdy, A St J Murphy, M Murra, A Naylor, HN Nelson, F Neves, JL Newstead, A Nguyen, K Ni, C O'Hare, U Oberlack, M Obradovic, I Olcina, KC Oliver-Mallory, GD Orebi Gann, J Orpwood, I Ostrowskiy, S Ouahada, K Oyulmaz, B Paetsch, KJ Palladino, J Palmer, Y Pan, M Pandurovic, NJ Pannifer, S Paramesvaran, SJ Patton, Q Pellegrini, B Penning, G Pereira, R Peres, E Perry, T Pershing, F Piastra, J Pienaar, A Piepke, M Pierre, G Plante, TR Pollmann, L Principe, J Qi, K Qiao, Y Qie, J Qin, S Radeka, V Radeka, M Rajado, D Ramírez García, A Ravindran, A Razeto, J Reichenbacher, CA Rhyne, A Richards, GRC Rischbieter, HS Riyat, R Rosero, A Roy, T Rushton, D Rynders, R Saakyan, L Sanchez, P Sanchez-Lucas, D Santone, JMF dos Santos, G Sartorelli, ABMR Sazzad, A Scaffidi, RW Schnee, J Schreiner, P Schulte, H Schulze, Eißing, M Schumann, A Schwenck, A Schwenk, L Scotto Lavina, M Selvi, F Semeria, P Shagin, S Sharma, S Shaw, W Shen, L Sherman, S Shi, SY Shi, T Shimada, T Shutt, JJ Silk, C Silva, H Simgen, G Sinev, R Singh, J Siniscalco, M Solmaz, VN Solovov, Z Song, P Sorensen, J Soria, O Stanley, M Steidl, T Stenhouse, A Stevens, K Stifter, TJ Sumner, A Takeda, P-L Tan, DJ Taylor, WC Taylor, D Thers, T Thümmler, DR Tiedt, F Tönnies, Z Tong, F Toschi, DR Tovey, J Tranter, M Trask, G Trinchero, M Tripathi, DR Tronstad, R Trotta, CD Tunnell, P Urquijo, A Usón, M Utoyama, AC Vaitkus, O Valentino, K Valerius, S Vecchi, V Velan, S Vetter, L de Viveiros, G Volta, D Vorkapic, A Wang, JJ Wang, W Wang, Y Wang, D Waters, KM Weerman, C Weinheimer, M Weiss, D Wenz, TJ Whitis, K Wild, M Williams, M Wilson, ST Wilson, C Wittweg, J Wolf, FLH Wolfs, S Woodford, D Woodward, M Worcester, CJ Wright, VHS Wu, SW üstling, M Wurm, Q Xia, Y Xing, D Xu, J Xu, Y Xu, Z Xu, M Yamashita, L Yang, J Ye, M Yeh, B Yu, G Zavattini, W Zha, M Zhong, K Zuber
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Dark Matter Search Results from 4.2 Tonne-Years of Exposure of the LUX-ZEPLIN (LZ) Experiment

ArXiv 2410.17036 (2024)

Authors:

J Aalbers, DS Akerib, AK Al Musalhi, F Alder, CS Amarasinghe, A Ames, TJ Anderson, N Angelides, HM Araújo, JE Armstrong, M Arthurs, A Baker, S Balashov, J Bang, JW Bargemann, EE Barillier, D Bauer, K Beattie, T Benson, A Bhatti, A Biekert, TP Biesiadzinski, HJ Birch, E Bishop, GM Blockinger, B Boxer, CAJ Brew, P Brás, S Burdin, M Buuck, MC Carmona-Benitez, M Carter, A Chawla, H Chen, JJ Cherwinka, YT Chin, NI Chott, MV Converse, R Coronel, A Cottle, G Cox, D Curran, CE Dahl, I Darlington, S Dave, A David, J Delgaudio, S Dey, L de Viveiros, L Di Felice, C Ding, JEY Dobson, E Druszkiewicz, S Dubey, SR Eriksen, A Fan, S Fayer, NM Fearon, N Fieldhouse, S Fiorucci, H Flaecher, ED Fraser, TMA Fruth, RJ Gaitskell, A Geffre, J Genovesi, C Ghag, A Ghosh, R Gibbons, S Gokhale, J Green, MGD van der Grinten, JJ Haiston, CR Hall, TJ Hall, S Han, E Hartigan-O'Connor, SJ Haselschwardt, MA Hernandez, SA Hertel, G Heuermann, GJ Homenides, M Horn, DQ Huang, D Hunt, E Jacquet, RS James, J Johnson, AC Kaboth, AC Kamaha, KK Meghna, D Khaitan, A Khazov, I Khurana, J Kim, YD Kim, J Kingston, R Kirk, D Kodroff, L Korley, EV Korolkova, H Kraus, S Kravitz, L Kreczko, VA Kudryavtsev, C Lawes, DS Leonard, KT Lesko, C Levy, J Lin, A Lindote, WH Lippincott, MI Lopes, W Lorenzon, C Lu, S Luitz, PA Majewski, A Manalaysay, RL Mannino, C Maupin, ME McCarthy, G McDowell, DN McKinsey, J McLaughlin, JB McLaughlin, R McMonigle, E Mizrachi, A Monte, ME Monzani, JD Morales Mendoza, E Morrison, BJ Mount, M Murdy, A St J Murphy, A Naylor, HN Nelson, F Neves, A Nguyen, CL O'Brien, I Olcina, KC Oliver-Mallory, J Orpwood, KY Oyulmaz, KJ Palladino, J Palmer, NJ Pannifer, N Parveen, SJ Patton, B Penning, G Pereira, E Perry, T Pershing, A Piepke, Y Qie, J Reichenbacher, CA Rhyne, A Richards, Q Riffard, GRC Rischbieter, E Ritchey, HS Riyat, R Rosero, T Rushton, D Rynders, D Santone, ABMR Sazzad, RW Schnee, G Sehr, B Shafer, S Shaw, T Shutt, JJ Silk, C Silva, G Sinev, J Siniscalco, R Smith, VN Solovov, P Sorensen, J Soria, I Stancu, A Stevens, K Stifter, B Suerfu, TJ Sumner, M Szydagis, DR Tiedt, M Timalsina, Z Tong, DR Tovey, J Tranter, M Trask, M Tripathi, A Usón, A Vacheret, AC Vaitkus, O Valentino, V Velan, A Wang, JJ Wang, Y Wang, JR Watson, L Weeldreyer, TJ Whitis, K Wild, M Williams, WJ Wisniewski, L Wolf, FLH Wolfs, S Woodford, D Woodward, CJ Wright, Q Xia, J Xu, Y Xu, M Yeh, D Yeum, W Zha, EA Zweig
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First observation of single photons in a CRESST detector and new dark matter exclusion limits

Physical Review D American Physical Society (APS) 110:8 (2024) 083038

Authors:

G Angloher, S Banik, G Benato, A Bento, A Bertolini, R Breier, C Bucci, J Burkhart, L Canonica, A D’Addabbo, S Di Lorenzo, L Einfalt, A Erb, FV Feilitzsch, S Fichtinger, D Fuchs, A Garai, VM Ghete, P Gorla, PV Guillaumon, S Gupta, D Hauff, M Ješkovský, J Jochum, M Kaznacheeva, A Kinast, H Kluck, H Kraus, S Kuckuk, A Langenkämper, M Mancuso, L Marini, B Mauri, L Meyer, V Mokina, M Olmi, T Ortmann, C Pagliarone, L Pattavina, F Petricca, W Potzel, P Povinec, F Pröbst, F Pucci, F Reindl, J Rothe, K Schäffner, J Schieck, S Schönert, C Schwertner, M Stahlberg, L Stodolsky, C Strandhagen, R Strauss, I Usherov, F Wagner, V Wagner, V Zema
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DoubleTES detectors to investigate the CRESST low energy background: results from above-ground prototypes

The European Physical Journal C SpringerOpen 84:10 (2024) 1001

Authors:

G Angloher, S Banik, G Benato, A Bento, A Bertolini, R Breier, C Bucci, J Burkhart, L Canonica, A D’Addabbo, S Di Lorenzo, L Einfalt, A Erb, FV Feilitzsch, S Fichtinger, D Fuchs, A Garai, VM Ghete, P Gorla, PV Guillaumon, S Gupta, D Hauff, M Ješkovský, J Jochum, H Kraus

Abstract:

In recent times, the sensitivity of low-mass direct dark matter searches has been limited by unknown low energy backgrounds close to the energy threshold of the experiments known as the low energy excess (LEE). The CRESST experiment utilises advanced cryogenic detectors constructed with different types of crystals equipped with Transition Edge Sensors (TESs) to measure signals of nuclear recoils induced by the scattering of dark matter particles in the detector. In CRESST, this low energy background manifests itself as a steeply rising population of events below 200 eV. A novel detector design named doubleTES using two identical TESs on the target crystal was studied to investigate the hypothesis that the events are sensor-related. We present the first results from two such modules, demonstrating their ability to differentiate between events originating from the crystal’s bulk and those occurring in the sensor or in its close proximity.
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A new hybrid gadolinium nanoparticles-loaded polymeric material for neutron detection in rare event searches

Journal of Instrumentation IOP Publishing 19:09 (2024) P09021

Authors:

F Acerbi, P Adhikari, P Agnes, I Ahmad, S Albergo, IF Albuquerque, T Alexander, AK Alton, P Amaudruz, M Angiolilli, E Aprile, R Ardito, M Atzori Corona, DJ Auty, M Ave, IC Avetisov, O Azzolini, HO Back, Z Balmforth, A Barrado Olmedo, P Barrillon, G Batignani, P Bhowmick, V Bocci

Abstract:

Experiments aimed at direct searches for WIMP dark matter require highly effective reduction of backgrounds and control of any residual radioactive contamination. In particular, neutrons interacting with atomic nuclei represent an important class of backgrounds due to the expected similarity of a WIMP-nucleon interaction, so that such experiments often feature a dedicated neutron detector surrounding the active target volume. In the context of the development of DarkSide-20k detector at INFN Gran Sasso National Laboratory (LNGS), several R&D projects were conceived and developed for the creation of a new hybrid material rich in both hydrogen and gadolinium nuclei to be employed as an essential element of the neutron detector. Thanks to its very high cross-section for neutron capture, gadolinium is one of the most widely used elements in neutron detectors, while the hydrogen-rich material is instrumental in efficiently moderating the neutrons. In this paper results from one of the R&Ds are presented. In this effort the new hybrid material was obtained as a poly(methyl methacrylate) (PMMA) matrix, loaded with gadolinium oxide in the form of nanoparticles. We describe its realization, including all phases of design, purification, construction, characterization, and determination of mechanical properties of the new material.
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