Search for light dark matter with NEWS-G at the LSM using a methane target

Autor: Arora, M. M., Balogh, L., Beaufort, C., Brossard, A., Chapellier, M., Clarke, J., Corcoran, E. C., Coquillat, J. -M., Dastgheibi-Fard, A., Deng, Y., Durnford, D., Garrah, C., Gerbier, G., Giomataris, I., Giroux, G., Gorel, P., Gros, M., Gros, P., Guillaudin, O., Hoppe, E. W., Katsioulas, I., Kelly, F., Knights, P., Lautridou, P., Makowski, A., Manthos, I., Martin, R. D., Matthews, J., McCallum, H. M., Meadows, H., Millins, L., Muraz, J. -F., Neep, T., Nikolopoulos, K., Panchal, N., Piro, M. -C., Rowe, N., Santos, D., Savvidis, G., Savvidis, I., Spathara, D., Fernandez, F. Vazquez de Sola, Ward, R.

The NEWS-G direct detection experiment uses spherical proportional counters to search for light dark matter candidates. New results from a 10 day physics run with a $135\,\mathrm{cm}$ in diameter spherical proportional counter at the Laboratoire Sout

Externí odkaz: http://arxiv.org/abs/2407.12769

Distinct transient structural rearrangement of ionized water revealed by XFEL X-ray pump X-ray probe experiment

Autor: Stransky, Michal, Lane, Thomas J., Gorel, Alexander, Boutet, Sébastien, Schlichting, Ilme, Mancuso, Adrian P., Jurek, Zoltan, Ziaja, Beata

Using X-ray free electron laser (XFEL) radiation to conduct an X-ray pump X-ray probe experiment, we studied strongly ionized water as part of our ongoing work on radiation damage. After irradiance with a pump pulse with a nominal fluence of ~$5 \tim

Externí odkaz: http://arxiv.org/abs/2402.10840

Precision Measurement of the Specific Activity of $^{39}$Ar in Atmospheric Argon with the DEAP-3600 Detector

Autor: Adhikari, P., Ajaj, R., Alpízar-Venegas, M., Amaudruz, P. -A., Anstey, J., Araujo, G. R., Auty, D. J., Baldwin, M., Batygov, M., Beltran, B., Benmansour, H., Bina, C. E., Bonatt, J., Bonivento, W., Boulay, M. G., Broerman, B., Bueno, J. F., Burghardt, P. M., Butcher, A., Cadeddu, M., Cai, B., Cárdenas-Montes, M., Cavuoti, S., Chen, M., Chen, Y., Choudhary, S., Cleveland, B. T., Corning, J. M., Crampton, R., Cranshaw, D., Daughtery, S., DelGobbo, P., Dering, K., Di Stefano, P., DiGioseffo, J., Dolganov, G., Doria, L., Duncan, F. A., Dunford, M., Ellingwood, E., Erlandson, A., Farahani, S. S., Fatemighomi, N., Fiorillo, G., Florian, S., Flower, A., Ford, R. J., Gagnon, R., Gallacher, D., Abia, P. García, Garg, S., Giampa, P., Giménez-Alcázar, A., Goeldi, D., Golovko, V. V., Gorel, P., Graham, K., Grant, D. R., Grobov, A., Hallin, A. L., Hamstra, M., Harvey, P. J., Haskins, S., Hearns, C., Hu, J., Hucker, J., Hugues, T., Ilyasov, A., Jigmeddorj, B., Jillings, C. J., Joy, A., Kamaev, O., Kaur, G., Kemp, A., Kuźniak, M., La Zia, F., Lai, M., Langrock, S., Lehnert, B., Leonhardt, A., LePage-Bourbonnais, J., Levashko, N., Lidgard, J., Lindner, T., Lissia, M., Lock, J., Machulin, I., Majewski, P., Maru, A., Mason, J., McDonald, A. B., McElroy, T., McGinn, T., McLaughlin, J. B., Mehdiyev, R., Mielnichuk, C., Mirasola, L., Monroe, J., Nadeau, P., Nantais, C., Ng, C., Noble, A. J., O'Dwyer, E., Oliviéro, G., Ouellet, C., Pal, S., Papi, D., Pasuthip, P., Peeters, S. J. M., Perry, M., Pesudo, V., Picciau, E., Piro, M. -C., Pollmann, T. R., Rad, F., Rand, E. T., Rethmeier, C., Retière, F., García, I. Rodríguez, Roszkowski, L., Ruhland, J. B., Santorelli, R., Schuckman II, F. G., Seeburn, N., Seth, S., Shalamova, V., Singhrao, K., Skensved, P., Smith, N. J. T., Smith, B., Sobotkiewich, K., Sonley, T., Sosiak, J., Soukup, J., Stainforth, R., Stone, C., Strickland, V., Stringer, M., Sur, B., Tang, J., Vázquez-Jáuregui, E., Veloce, L., Viel, S., Vyas, B., Walczak, M., Walding, J., Ward, M., Westerdale, S., Willis, J., Zuñiga-Reyes, A.

Publikováno v: Eur. Phys. J. C 83, 642 (2023)

The specific activity of the beta decay of $^{39}$Ar in atmospheric argon is measured using the DEAP-3600 detector. DEAP-3600, located 2 km underground at SNOLAB, uses a total of (3269 $\pm$ 24) kg of liquid argon distilled from the atmosphere to sea

Externí odkaz: http://arxiv.org/abs/2302.14639

Exploring light dark matter with the DarkSPHERE spherical proportional counter electroformed underground at the Boulby Underground Laboratory

Autor: Balogh, L., Beaufort, C., Chapellier, M., Corcoran, E. C., Coquillat, J. -M., Dastgheibi-Fard, A., Deng, Y., Durnford, D., Garrah, C., Gerbier, G., Giomataris, I., Giroux, G., Gorel, P., Gros, M., Gros, P., Guillaudin, O., Hoppe, E. W., Katsioulas, I., Kelly, F., Knights, P., Lautridou, P., Manthos, I., Martin, R. D., Matthews, J., Muraz, J. -F., Neep, T., Nikolopoulos, K., O'Brien, P., Piro, M. -C., Rowe, N., Santos, D., Savvidis, G., Savvidis, I., Fernandez, F. Vazquez de Sola, Ward, R., Banks, E., Hamaide, L., McCabe, C., Mimasu, K., Paling, S.

We present the conceptual design and the physics potential of DarkSPHERE, a proposed 3 m in diameter spherical proportional counter electroformed underground at the Boulby Underground Laboratory. This effort builds on the R&D performed and experience

Externí odkaz: http://arxiv.org/abs/2301.05183

The NEWS-G detector at SNOLAB

Autor: Balogh, L., Beaufort, C., Brossard, A., Caron, J. F., Chapellier, M., Coquillat, J. M., Corcoran, E. C., Crawford, S., Dastgheibi-Fard, A., Deng, Y., Dering, K., Durnford, D., Garrah, C., Gerbier, G., Giomataris, I., Giroux, G., Gorel, P., Gros, M., Gros, P., Guillaudin, O., Hoppe, E. W., Katsioulas, I., Kelly, F., Knights, P., Kwon, L., Langrock, S., Lautridou, P., Martin, R. D., Mols, J. P., Muraz, J. F., Nikolopoulos, K., O'Brien, P., Piro, M. C., Rowe, N., Santos, D., Samuleev, P., Savvidis, G., Savvidis, I., Fernandez, F. Vazquez deSola, Vidal, M., Zampaolo, M.

The New Experiments With Spheres-Gas (NEWS-G) collaboration intends to achieve $\mathrm{sub-GeV/c^{2}}$ Weakly Interacting Massive Particles (WIMPs) detection using Spherical Proportional Counters (SPCs). SPCs are gaseous detectors relying on ionizat

Externí odkaz: http://arxiv.org/abs/2205.15433