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Insertion of STC into TRT at the Department of Physics, Oxford
Credit: CERN

Hans Kraus

Professor of Physics

Research theme

  • Particle astrophysics & cosmology

Sub department

  • Particle Physics

Research groups

  • LUX-ZEPLIN
Hans.Kraus@physics.ox.ac.uk
Telephone: 01865 (2)73361
Denys Wilkinson Building, room 623
  • About
  • Publications

Testing spin-dependent dark matter interactions with lithium aluminate targets in CRESST-III

Physical Review D American Physical Society 106:9 (2022) 92008

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, N Ferreiro Iachellini, S Fichtinger, D Fuchs, A Fuss, A Garai, Vm Ghete, S Gerster, P Gorla, Pv Guillaumon, S Gupta, D Hauff, M Ješkovský, J Jochum, M Kaznacheeva, A Kinast, H Kluck, H Kraus, A Langenkämper, M Mancuso, L Marini, L Meyer, V Mokina, A Nilima, 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

Abstract:

In the past decades, numerous experiments have emerged to unveil the nature of dark matter, one of the most discussed open questions in modern particle physics. Among them, the Cryogenic Rare Event Search with Superconducting Thermometers (CRESST) experiment, located at the Laboratori Nazionali del Gran Sasso, operates scintillating crystals as cryogenic phonon detectors. In this work, we present first results from the operation of two detector modules which both have 10.46 g LiAlO2 targets in CRESST-III. The lithium contents in the crystal are Li6, with an odd number of protons and neutrons, and Li7, with an odd number of protons. By considering both isotopes of lithium and Al27, we set the currently strongest cross section upper limits on spin-dependent interaction of dark matter with protons and neutrons for the mass region between 0.25 and 1.5 GeV/c2.

The MIGDAL experiment: Measuring a rare atomic process to aid the search for dark matter

(2022)

Authors:

HM Araújo, SN Balashov, JE Borg, FM Brunbauer, C Cazzaniga, CD Frost, F Garcia, AC Kaboth, M Kastriotou, I Katsioulas, A Khazov, H Kraus, VA Kudryavtsev, S Lilley, A Lindote, D Loomba, MI Lopes, E Lopez Asamar, P Luna Dapica, PA Majewski, T Marley, C McCabe, AF Mills, M Nakhostin, T Neep, F Neves, K Nikolopoulos, E Oliveri, L Ropelewski, E Tilly, VN Solovov, TJ Sumner, J Tarrant, R Turnley, MGD van der Grinten, R Veenhof

First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment

(2022)

Authors:

J Aalbers, DS Akerib, CW Akerlof, AK Al Musalhi, F Alder, A Alqahtani, SK Alsum, CS Amarasinghe, A Ames, TJ Anderson, N Angelides, HM Araújo, JE Armstrong, M Arthurs, S Azadi, AJ Bailey, A Baker, J Balajthy, S Balashov, J Bang, JW Bargemann, MJ Barry, J Barthel, D Bauer, A Baxter, K Beattie, J Belle, P Beltrame, J Bensinger, T Benson, EP Bernard, A Bhatti, A Biekert, TP Biesiadzinski, HJ Birch, B Birrittella, GM Blockinger, KE Boast, B Boxer, R Bramante, CAJ Brew, P Brás, JH Buckley, VV Bugaev, S Burdin, JK Busenitz, M Buuck, R Cabrita, C Carels, DL Carlsmith, B Carlson, MC Carmona-Benitez, M Cascella, C Chan, A Chawla, H Chen, JJ Cherwinka, NI Chott, A Cole, J Coleman, MV Converse, A Cottle, G Cox, WW Craddock, O Creaner, D Curran, A Currie, JE Cutter, CE Dahl, A David, J Davis, TJR Davison, J Delgaudio, S Dey, L de Viveiros, A Dobi, JEY Dobson, E Druszkiewicz, A Dushkin, TK Edberg, WR Edwards, MM Elnimr, WT Emmet, SR Eriksen, CH Faham, A Fan, S Fayer, NM Fearon, S Fiorucci, H Flaecher, P Ford, VB Francis, ED Fraser, T Fruth, RJ Gaitskell, NJ Gantos, D Garcia, A Geffre, VM Gehman, J Genovesi, C Ghag, R Gibbons, E Gibson, MGD Gilchriese, S Gokhale, B Gomber, J Green, A Greenall, S Greenwood, MGD van der Grinten, CB Gwilliam, CR Hall, S Hans, K Hanzel, A Harrison, E Hartigan-O'Connor, SJ Haselschwardt, SA Hertel, G Heuermann, C Hjemfelt, MD Hoff, E Holtom, JY-K Hor, M Horn, DQ Huang, D Hunt, CM Ignarra, RG Jacobsen, O Jahangir, RS James, SN Jeffery, W Ji, J Johnson, AC Kaboth, AC Kamaha, K Kamdin, V Kasey, K Kazkaz, J Keefner, D Khaitan, M Khaleeq, A Khazov, I Khurana, YD Kim, CD Kocher, D Kodroff, L Korley, EV Korolkova, J Kras, H Kraus, S Kravitz, HJ Krebs, L Kreczko, B Krikler, VA Kudryavtsev, S Kyre, B Landerud, EA Leason, C Lee, J Lee, DS Leonard, R Leonard, KT Lesko, C Levy, J Li, F-T Liao, J Liao, J Lin, A Lindote, R Linehan, WH Lippincott, R Liu, X Liu, Y Liu, C Loniewski, MI Lopes, E Lopez Asamar, B López Paredes, W Lorenzon, D Lucero, S Luitz, JM Lyle, PA Majewski, J Makkinje, DC Malling, A Manalaysay, L Manenti, RL Mannino, N Marangou, MF Marzioni, C Maupin, ME McCarthy, CT McConnell, DN McKinsey, J McLaughlin, Y Meng, J Migneault, EH Miller, E Mizrachi, JA Mock, A Monte, ME Monzani, JA Morad, JD Morales Mendoza, E Morrison, BJ Mount, M Murdy, A St J Murphy, D Naim, A Naylor, C Nedlik, C Nehrkorn, F Neves, A Nguyen, JA Nikoleyczik, A Nilima, J O'Dell, FG O'Neill, K O'Sullivan, I Olcina, MA Olevitch, KC Oliver-Mallory, J Orpwood, D Pagenkopf, S Pal, KJ Palladino, J Palmer, M Pangilinan, N Parveen, SJ Patton, EK Pease, B Penning, C Pereira, G Pereira, E Perry, T Pershing, IB Peterson, A Piepke, J Podczerwinski, D Porzio, S Powell, RM Preece, K Pushkin, Y Qie, BN Ratcliff, J Reichenbacher, L Reichhart, CA Rhyne, A Richards, Q Riffard, GRC Rischbieter, JP Rodrigues, A Rodriguez, HJ Rose, R Rosero, P Rossiter, T Rushton, G Rutherford, D Rynders, JS Saba, D Santone, ABMR Sazzad, RW Schnee, PR Scovell, D Seymour, S Shaw, T Shutt, JJ Silk, C Silva, G Sinev, K Skarpaas, W Skulski, R Smith, M Solmaz, VN Solovov, P Sorensen, J Soria, I Stancu, MR Stark, A Stevens, TM Stiegler, K Stifter, R Studley, B Suerfu, TJ Sumner, P Sutcliffe, N Swanson, M Szydagis, M Tan, DJ Taylor, R Taylor, WC Taylor, DJ Temples, BP Tennyson, PA Terman, KJ Thomas, DR Tiedt, M Timalsina, WH To, A Tomás, Z Tong, DR Tovey, J Tranter, M Trask, M Tripathi, DR Tronstad, CE Tull, W Turner, L Tvrznikova, U Utku, J Va'vra, A Vacheret, AC Vaitkus, JR Verbus, E Voirin, WL Waldron, A Wang, B Wang, JJ Wang, W Wang, Y Wang, JR Watson, RC Webb, A White, DT White, JT White, RG White, TJ Whitis, M Williams, WJ Wisniewski, MS Witherell, FLH Wolfs, JD Wolfs, S Woodford, D Woodward, SD Worm, CJ Wright, Q Xia, X Xiang, Q Xiao, J Xu, M Yeh, J Yin, I Young, P Zarzhitsky, A Zuckerman, EA Zweig

Cosmogenic production of Ar37 in the context of the LUX-ZEPLIN experiment

Physical Review D American Physical Society (APS) 105:8 (2022) 082004

Authors:

J Aalbers, DS Akerib, AK Al Musalhi, F Alder, SK Alsum, CS Amarasinghe, A Ames, TJ Anderson, N Angelides, HM Araújo, JE Armstrong, M Arthurs, X Bai, A Baker, J Balajthy, S Balashov, J Bang, JW Bargemann, D Bauer, A Baxter, K Beattie, EP Bernard, A Bhatti, A Biekert, TP Biesiadzinski, HJ Birch, GM Blockinger, E Bodnia, B Boxer, CAJ Brew, P Brás, S Burdin, JK Busenitz, M Buuck, R Cabrita, MC Carmona-Benitez, M Cascella, C Chan, A Chawla, H Chen, NI Chott, A Cole, MV Converse, A Cottle, G Cox, O Creaner, JE Cutter, CE Dahl, A David, L de Viveiros, JEY Dobson, E Druszkiewicz, SR Eriksen, A Fan, S Fayer, NM Fearon, S Fiorucci, H Flaecher, ED Fraser, T Fruth, RJ Gaitskell, J Genovesi, C Ghag, E Gibson, MGD Gilchriese, S Gokhale, MGD van der Grinten, CB Gwilliam, CR Hall, SJ Haselschwardt, SA Hertel, M Horn, DQ Huang, D Hunt, CM Ignarra, O Jahangir, RS James, W Ji, J Johnson, AC Kaboth, AC Kamaha, K Kamdin, D Khaitan, A Khazov, I Khurana, D Kodroff, L Korley, EV Korolkova, H Kraus, S Kravitz, L Kreczko, VA Kudryavtsev, EA Leason, DS Leonard, KT Lesko, C Levy, J Lee, J Lin, A Lindote, R Linehan, WH Lippincott, X Liu, MI Lopes, E Lopez Asamar, B Lopez-Paredes, W Lorenzon, S Luitz, PA Majewski, A Manalaysay, L Manenti, RL Mannino, N Marangou, ME McCarthy, DN McKinsey, J McLaughlin, EH Miller, E Mizrachi, A Monte, ME Monzani, JA Morad, JD Morales Mendoza, E Morrison, BJ Mount, A St. J. Murphy, D Naim, A Naylor, C Nedlik, HN Nelson, F Neves, JA Nikoleyczik, A Nilima, I Olcina, K Oliver-Mallory, S Pal, KJ Palladino, J Palmer, N Parveen, SJ Patton, EK Pease, B Penning, G Pereira, E Perry, J Pershing, A Piepke, D Porzio, Y Qie, J Reichenbacher, CA Rhyne, A Richards, Q Riffard, GRC Rischbieter, R Rosero, P Rossiter, T Rushton, D Santone, ABMR Sazzad, RW Schnee, PR Scovell, S Shaw, TA Shutt, JJ Silk, C Silva, G Sinev, R Smith, M Solmaz, VN Solovov, P Sorensen, J Soria, I Stancu, A Stevens, K Stifter, B Suerfu, TJ Sumner, N Swanson, M Szydagis, WC Taylor, R Taylor, DJ Temples, PA Terman, DR Tiedt, M Timalsina, WH To, Z Tong, DR Tovey, M Trask, M Tripathi, DR Tronstad, W Turner, U Utku, A Vaitkus, B Wang, Y Wang, JJ Wang, W Wang, JR Watson, RC Webb, RG White, TJ Whitis, M Williams, FLH Wolfs, S Woodford, D Woodward, CJ Wright, Q Xia, X Xiang, J Xu, M Yeh

Probing spin-dependent dark matter interactions with $$^6$$Li

The European Physical Journal C SpringerOpen 82:3 (2022) 207

Authors:

G Angloher, G Benato, A Bento, E Bertoldo, A Bertolini, R Breier, C Bucci, L Canonica, A D’Addabbo, S Di Lorenzo, L Einfalt, A Erb, FV Feilitzsch, N Ferreiro Iachellini, S Fichtinger, D Fuchs, A Fuss, A Garai, VM Ghete, P Gorla, S Gupta, D Hauff, M Ješkovský, J Jochum, M Kaznacheeva, H Kraus

Abstract:

Using CaWO$_4$ crystals as cryogenic calorimeters, the CRESST experiment searches for nuclear recoils caused by the scattering of potential Dark Matter particles. A reliable identification of a potential signal crucially depends on an accurate background model. In this work we introduce an improved normalisation method for CRESST's model of the electromagnetic backgrounds. Spectral templates, based on Geant4 simulations, are normalised via a Bayesian likelihood fit to experimental background data. Contrary to our previous work, no assumption of partial secular equilibrium is required, which results in a more robust and versatile applicability. Furthermore, considering the correlation between all background components allows us to explain 82.7% of the experimental background within [1 keV, 40 keV], an improvement of 18.6% compared to our previous method.Comment: 24 pages, 14 figures, submitted to EPJ

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