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arXiv 1402.7137hep-exastro-ph.COphysics.ins-det
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用SuperCDMS搜索低质量WIMP

Search for Low-Mass WIMPs with SuperCDMS

R. Agnese, A. J. Anderson, M. Asai, D. Balakishiyeva, R. Basu Thakur, D. A. Bauer, J. Beaty, J. Billard, A. Borgland, M. A. Bowles, D. Brandt, P. L. Brink, R. B… 展开作者

R. Agnese, A. J. Anderson, M. Asai, D. Balakishiyeva, R. Basu Thakur, D. A. Bauer, J. Beaty, J. Billard, A. Borgland, M. A. Bowles, D. Brandt, P. L. Brink, R. Bunker, B. Cabrera, D. O. Caldwell, D. G. Cerdeno, H. Chagani, Y. Chen, M. Cherry, J. Cooley, B. Cornell, C. H. Crewdson, P. Cushman, M. Daal, D. DeVaney, P. C. F. Di Stefano, E. Do Couto E Silva, T. Doughty, L. Esteban, S. Fallows, E. Figueroa-Feliciano, G. L. Godfrey, S. R. Golwala, J. Hall, S. Hansen, H. R. Harris, S. A. Hertel, B. A. Hines, T. Hofer, D. Holmgren, L. Hsu, M. E. Huber, A. Jastram, O. Kamaev, B. Kara, M. H. Kelsey, S. Kenany, A. Kennedy, M. Kiveni, K. Koch, A. Leder, B. Loer, E. Lopez Asamar, R. Mahapatra, V. Mandic, C. Martinez, K. A. McCarthy, N. Mirabolfathi, R. A. Moffatt, R. H. Nelson, L. Novak, K. Page, R. Partridge, M. Pepin, A. Phipps, M. Platt, K. Prasad, M. Pyle, H. Qiu, W. Rau, P. Redl, A. Reisetter, R. W. Resch, Y. Ricci, M. Ruschman, T. Saab, B. Sadoulet, J. Sander, R. L. Schmitt, K. Schneck, R. W. Schnee, S. Scorza, D. N. Seitz, B. Serfass, B. Shank, D. Speller, A. Tomada, S. Upadhyayula, A. N. Villano, B. Welliver, D. H. Wright, S. Yellin, J. J. Yen, B. A. Young, J. Zhang

摘要:

我们报告的第一次搜索弱相互作用大质量粒子(WIMPs)使用的背景排斥能力的超级CDMS。分析了577千克-天的暴露量,以获得质量< 30 GeV/c2的WIMP,信号区域设盲。揭盲后观察到11起事件。在8 GeV/c ~ 2时,自旋无关的WIMP-核子截面的上限为1.2 e-42 cm ~ 2。这一结果与最近实验的WIMP解释相矛盾,并为WIMP质量< 6 GeV/c2的WIMP-核子散射探索了新的参数空间。

英文摘要:

We report a first search for weakly interacting massive particles (WIMPs) using the background rejection capabilities of SuperCDMS. An exposure of 577 kg-days was analyzed for WIMPs with mass < 30 GeV/c2, with the signal region blinded. Eleven events were observed after unblinding. We set an upper limit on the spin-independent WIMP-nucleon cross section of 1.2e-42 cm2 at 8 GeV/c2. This result is in tension with WIMP interpretations of recent experiments and probes new parameter space for WIMP-nucleon scattering for WIMP masses < 6 GeV/c2.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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