Dark Energy Survey Year 3 Results: Mis-centering calibration and X-ray-richness scaling relations in redMaPPer clusters

Autor: Kelly, P., Jobel, J., Eiger, O., Abd, A., Jeltema, T. E., Giles, P., Hollowood, D. L., Wilkinson, R. D., Turner, D. J., Bhargava, S., Everett, S., Farahi, A., Romer, A. K., Rykoff, E. S., Wang, F., Bocquet, S., Cross, D., Faridjoo, R., Franco, J., Gardner, G., Kwiecien, M., Laubner, D., McDaniel, A., O'Donnell, J. H., Sanchez, L., Schmidt, E., Sripada, S., Swart, A., Upsdell, E., Webber, A., Aguena, M., Allam, S., Alves, O., Bacon, D., Brooks, D., Burke, D. L., Rosell, A. Carnero, Carretero, J., Collins, C. A., Costanzi, M., da Costa, L. N., Pereira, M. E. S., Davis, T. M., Doel, P., Ferrero, I., Frieman, J., García-Bellido, J., Giannini, G., Gruen, D., Gruendl, R. A., Hilton, M., Hinton, S. R., Honscheid, K., James, D. J., Kuehn, K., Mann, R. G., Marshall, J. L., Mena-Fernández, J., Miller, C. J., Miquel, R., Myles, J., Palmese, A., Pieres, A., Malagón, A. A. Plazas, Rooney, P. J., Sahlen, M., Sanchez, E., Cid, D. Sanchez, Schubnell, M., Sevilla-Noarbe, I., Smith, M., Stott, J. P., Suchyta, E., Swanson, M. E. C., Tarle, G., To, C., Viana, P. T. P., Weaverdyck, N., Wiseman, P.

We use Dark Energy Survey Year 3 (DES Y3) clusters with archival X-ray data from XMM-Newton and Chandra to assess the centering performance of the redMaPPer cluster finder and to measure key richness observable scaling relations. In terms of centerin

Externí odkaz: http://arxiv.org/abs/2310.13207

Late Prompt Fission Gamma Rays from 235U(n,f) and 252Cf(sf)

Autor: Rusev G., Bond E. M., Bredeweg T. A., Couture A., O’Donnell J. M., Jandel M., Lovell A.E., Mosby S., Prokop C. J., Stetcu I., Talou P., Ullmann J. L.

Publikováno v: EPJ Web of Conferences, Vol 242, p 01007 (2020)

Two measurements of fission γ rays were performed with the DANCE and NEUANCE arrays using the reactions 235 U(n, f) and 252 Cf(sf). Utilizing the fast time response of the detectors and a method for estimating the accidental background, we obtained

Externí odkaz: https://doaj.org/article/fae6a0a41211415fa0d49fa54c54ca1f

Identification of Galaxy-Galaxy Strong Lens Candidates in the DECam Local Volume Exploration Survey Using Machine Learning

Autor: Zaborowski, E. A., Drlica-Wagner, A., Ashmead, F., Wu, J. F., Morgan, R., Bom, C. R., Shajib, A. J., Birrer, S., Cerny, W., Buckley-Geer, L., Mutlu-Pakdil, B., Ferguson, P. S., Glazebrook, K., Lozano, S. J. Gonzalez, Gordon, Y., Martinez, M., Manwadkar, V., O'Donnell, J., Poh, J., Riley, A., Sakowska, J. D., Santana-Silva, L., Santiago, B. X., Sluse, D., Tan, C. Y., Tollerud, E. J., Verma, A., Carballo-Bello, J. A., Choi, Y., James, D. J., Kuropatkin, N., Martínez-Vázquez, C. E., Nidever, D. L., Castellon, J. L. Nilo, Noël, N. E. D., Olsen, K. A. G., Pace, A. B., Mau, S., Yanny, B., Zenteno, A., Abbott, T. M. C., Aguena, M., Alves, O., Andrade-Oliveira, F., Bocquet, S., Brooks, D., Burke, D. L., Rosell, A. Carnero, Kind, M. Carrasco, Carretero, J., Castander, F. J., Conselice, C. J., Costanzi, M., Pereira, M. E. S., De Vicente, J., Desai, S., Dietrich, J. P., Doel, P., Everett, S., Ferrero, I., Flaugher, B., Friedel, D., Frieman, J., García-Bellido, J., Gruen, D., Gruendl, R. A., Gutierrez, G., Hinton, S. R., Hollowood, D. L., Honscheid, K., Kuehn, K., Lin, H., Marshall, J. L., Melchior, P., Mena-Fernández, J., Menanteau, F., Miquel, R., Palmese, A., Paz-Chinchón, F., Pieres, A., Malagón, A. A. Plazas, Prat, J., Rodriguez-Monroy, M., Romer, A. K., Sanchez, E., Scarpine, V., Sevilla-Noarbe, I., Smith, M., Suchyta, E., To, C., Weaverdyck, N.

Publikováno v: ApJ 954 68 (2023)

We perform a search for galaxy-galaxy strong lens systems using a convolutional neural network (CNN) applied to imaging data from the first public data release of the DECam Local Volume Exploration Survey (DELVE), which contains $\sim 520$ million as

Externí odkaz: http://arxiv.org/abs/2210.10802

Energy Dependence of Prompt Fission Neutron Multiplicity in the $^{239}$Pu($n,f$) Reaction

Autor: Marini, P., Taieb, J., Neudecker, D., Bélier, G., Chatillon, A., Etasse, D., Laurent, B., Morfouace, P., Morillon, B., Devlin, M., Gomez, J. A., Haight, R. C., Kelly, K. J., O'Donnell, J. M.

Accurate multiplicities of prompt fission neutrons emitted in neutron-induced fission on a large energy range are essential for fundamental and applied nuclear physics. Measuring them to high precision for radioactive fissioning nuclides remains, how

Externí odkaz: http://arxiv.org/abs/2109.14330

Photon strength functions in Gd isotopes studied from radiative capture of resonance neutrons

Autor: Kroll J., Baramsai B., Mitchell G. E., Agvaanluvsan U., Bečvář F., Bredeweg T. A., Chyzh A., Couture A., Dashdorj D., Haight R. C., Jandel M., Keksis A. L., Krtička M., O’Donnell J. M., Parker W., Rundberg R. S., Ullmann J. L., Valenta S., Vieira D. J., Walker C., Wu C. Y.

Publikováno v: EPJ Web of Conferences, Vol 69, p 00018 (2014)

The experimental spectra of γ rays following radiative neutron capture on isolated resonances of stable 152,154–158Gd targets were measured by the DANCE calorimeter installed at the Los Alamos Neutron Scattering Center in New Mexico, USA. These sp

Externí odkaz: https://doaj.org/article/4370c090da1e4b5e95e0a85cd9180028