دورية أكاديمية
Identification of Radiopure Titanium for the LZ Dark Matter Experiment and Future Rare Event Searches
| العنوان: | Identification of Radiopure Titanium for the LZ Dark Matter Experiment and Future Rare Event Searches |
|---|---|
| المؤلفون: | Akerib, DS, Akerlof, CW, Akimov, DY, Alsum, SK, Araújo, HM, Arnquist, IJ, Arthurs, M, Bai, X, Bailey, AJ, Balajthy, J, Balashov, S, Barry, MJ, Belle, J, Beltrame, P, Benson, T, Bernard, EP, Bernstein, A, Biesiadzinski, TP, Boast, KE, Bolozdynya, A, Boxer, B, Bramante, R, Brás, P, Buckley, JH, Bugaev, VV, Bunker, R, Burdin, S, Busenitz, JK, Carels, C, Carlsmith, DL, Carlson, B, Carmona-Benitez, MC, Chan, C, Cherwinka, JJ, Chiller, AA, Chiller, C, Cottle, A, Coughlen, R, Craddock, WW, Currie, A, Dahl, CE, Davison, TJR, Dobi, A, Dobson, JEY, Druszkiewicz, E, Edberg, TK, Edwards, WR, Emmet, WT, Faham, CH, Fiorucci, S, Fruth, T, Gaitskell, RJ, Gantos, NJ, Gehman, VM, Gerhard, RM, Ghag, C, Gilchriese, MGD, Gomber, B, Hall, CR, Hans, S, Hanzel, K, Haselschwardt, SJ, Hertel, SA, Hillbrand, S, Hjemfelt, C, Hoff, MD, Holbrook, B, Holtom, E, Hoppe, EW, Hor, JY-K, Horn, M, Huang, DQ, Hurteau, TW, Ignarra, CM, Jacobsen, RG, Ji, W, Kaboth, A, Kamdin, K, Kazkaz, K, Khaitan, D, Khazov, A, Khromov, AV, Konovalov, AM, Korolkova, EV, Koyuncu, M, Kraus, H, Krebs, HJ, Kudryavtsev, VA, Kumpan, AV, Kyre, S, Lee, C, Lee, HS, Lee, J, Leonard, DS, Leonard, R, Lesko, KT, Levy, C, Liao, F-T, Lin, J, Lindote, A, Linehan, RE, Lippincott, WH, Liu, X, Lopes, MI, Paredes, BL, Lorenzon, W, Luitz, S, Majewski, P, Manalaysay, A, Manenti, L, Mannino, RL, Markley, DJ, Martin, TJ, Marzioni, MF, McConnell, CT, McKinsey, DN, Mei, D-M, Meng, Y, Miller, EH, Mizrachi, E, Mock, J, Monzani, ME, Morad, JA, Mount, BJ, Murphy, ASJ, Nehrkorn, C, Nelson, HN, Neves, F, Nikkel, JA, O'Dell, J, O'Sullivan, K, Olcina, I, Olevitch, MA, Oliver-Mallory, KC, Palladino, KJ, Pease, EK, Piepke, A, Powell, S, Preece, RM, Pushkin, K, Ratcliff, BN, Reichenbacher, J, Reichhart, L, Rhyne, CA, Richards, A, Rodrigues, JP, Rose, HJ, Rosero, R, Rossiter, P, Saba, JS, Sarychev, M, Schnee, RW, Schubnell, M, Scovell, PR, Shaw, S, Shutt, TA, Silva, C, Skarpaas, K, Skulski, W, Solmaz, M, Solovov, VN, Sorensen, P, Sosnovtsev, VV, Stancu, I, Stark, MR, Stephenson, S, Stiegler, TM, Stifter, K, Sumner, TJ, Szydagis, M, Taylor, DJ, Taylor, WC, Temples, D, Terman, PA, Thomas, KJ, Thomson, JA, Tiedt, DR, Timalsina, M, To, WH, Tomás, A, Tope, TE, Tripathi, M, Tvrznikova, L, Va'vra, J, Vacheret, A, Grinten, MGDVD, Verbus, JR, Vuosalo, CO, Waldron, WL, Wang, R, Watson, R, Webb, RC, Wei, W-Z, While, M, White, DT, Whitis, TJ, Wisniewski, WJ, Witherell, MS, Wolfs, FLH, Woodward, D, Worm, S, Xu, J, Yeh, M, Yin, J, Zhang, C |
| بيانات النشر: | Elsevier |
| المجموعة: | White Rose Research Online (Universities of Leeds, Sheffield & York) |
| الوصف: | The LUX-ZEPLIN (LZ) experiment will search for dark matter particle interactions with a detector containing a total of 10 tonnes of liquid xenon within a double-vessel cryostat. The large mass and proximity of the cryostat to the active detector volume demand the use of material with extremely low intrinsic radioactivity. We report on the radioassay campaign conducted to identify suitable metals, the determination of factors limiting radiopure production, and the selection of titanium for construction of the LZ cryostat and other detector components. This titanium has been measured with activities of $^{238}$U$_{e}$~$<$1.6~mBq/kg, $^{238}$U$_{l}$~$<$0.09~mBq/kg, $^{232}$Th$_{e}$~$=0.28\pm 0.03$~mBq/kg, $^{232}$Th$_{l}$~$=0.25\pm 0.02$~mBq/kg, $^{40}$K~$<$0.54~mBq/kg, and $^{60}$Co~$<$0.02~mBq/kg (68\% CL). Such low intrinsic activities, which are some of the lowest ever reported for titanium, enable its use for future dark matter and other rare event searches. Monte Carlo simulations have been performed to assess the expected background contribution from the LZ cryostat with this radioactivity. In 1,000 days of WIMP search exposure of a 5.6-tonne fiducial mass, the cryostat will contribute only a mean background of $0.160\pm0.001$(stat)$\pm0.030$(sys) counts. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | text |
| اللغة: | English |
| العلاقة: | https://eprints.whiterose.ac.uk/114741/1/1702.02646.pdfTest; Akerib, DS, Akerlof, CW, Akimov, DY et al. (202 more authors) Identification of Radiopure Titanium for the LZ Dark Matter Experiment and Future Rare Event Searches. Astroparticle Physics. ISSN 0927-6505 (Submitted) |
| الإتاحة: | https://eprints.whiterose.ac.uk/114741Test/ https://eprints.whiterose.ac.uk/114741/1/1702.02646.pdfTest |
| رقم الانضمام: | edsbas.8044CF1C |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |