Zobrazeno 1 - 10
of 420
pro vyhledávání: '"Koglin J"'
Autor:
Baloković M., Ajello M., Blandford R. D., Boggs S. E., Borracci F., Chiang J., Christensen F. E., Craig W. W., Forster K., Furniss A., Fürst F., Ghisellini G., Giebels B., Giommi P., Grefenstette B. W., Hailey C. J., Harrison F. A., Hayashida M., Humensky B., Inoue Y., Koglin J. E., Krawczynski H., Madejski G. M., Madsen K. K., Meier D. L., Nelson T., Ogle P., Paneque D., Perri M., Puccetti S., Reynolds C. S., Sbarrato T., Stern D., Tagliaferri G., Urry C. M., Wehrle A. E., Zhang W. W.
Publikováno v:
EPJ Web of Conferences, Vol 61, p 04013 (2013)
Mkn 421 is a nearby active galactic nucleus dominated at all wavelengths by a very broad nonthermal continuum thought to arise from a relativistic jet seen at a small angle to the line of sight. Its spectral energy distribution peaks in the X-ray and
Externí odkaz:
https://doaj.org/article/45522e9c5586453f8fb7581303570333
Autor:
Wang, B. S., Burke, J. T., Akindele, O. A., Casperson, R. J., Hughes, R. O., Koglin, J. D., Kolos, K., Norman, E. B., Ota, S., Saastamoinen, A.
Publikováno v:
Phys. Rev. C 100, 064609 (2019)
The average prompt-fission-neutron multiplicity $\bar{\nu}$ is of significance in the areas of nuclear theory, nuclear nonproliferation, and nuclear energy. In this work, the surrogate-reaction method has been used for the first time to indirectly de
Externí odkaz:
http://arxiv.org/abs/1906.04305
Autor:
Blaj, G., Dragone, A., Kenney, C. J., Abu-Nimeh, F., Caragiulo, P., Doering, D., Kwiatkowski, M., Pines, J., Weaver, M., Boutet, S., Carini, G., Chang, C. -E., Hart, P., Hasi, J., Hayes, M., Herbst, R., Koglin, J., Nakahara, K., Segal, J., Haller, G.
Publikováno v:
=AIP Conf. Proc. 2054, 060062 (2019)
ePix10K is a hybrid pixel detector developed at SLAC for demanding free-electron laser (FEL) applications, providing an ultrahigh dynamic range (245 eV to 88 MeV) through gain auto-ranging. It has three gain modes (high, medium and low) and two auto-
Externí odkaz:
http://arxiv.org/abs/1903.06805
Autor:
Blaj, G., Kenney, C. J., Dragone, A., Carini, G., Herrmann, S., Hart, P., Tomada, A., Koglin, J., Haller, G., Boutet, S., Messerschmidt, M., Williams, G., Chollet, M., Dakovski, G., Nelson, S., Pines, J., Song, S., Thayer, J.
Publikováno v:
IEEE Transactions on Nuclear Science vol. 64 pp. 2854-2868, 2017
Silicon drift detectors (SDDs) revolutionized spectroscopy in fields as diverse as geology and dentistry. For a subset of experiments at ultra-fast, x-ray free-electron lasers (FELs), SDDs can make substantial contributions. Often the unknown spectru
Externí odkaz:
http://arxiv.org/abs/1706.01211
Autor:
Fornasini, Francesca M., Tomsick, John A., Hong, JaeSub, Gotthelf, Eric V., Bauer, Franz, Rahoui, Farid, Stern, Daniel, Bodaghee, Arash, Chiu, Jeng-Lun, Clavel, Maïca, Corral-Santana, Jesús M., Hailey, Charles J., Krivonos, Roman A., Mori, Kaya, Alexander, David M., Barret, Didier, Boggs, Steven E., Christensen, Finn E., Craig, William W., Forster, Karl, Giommi, Paolo, Grefenstette, Brian W., Harrison, Fiona A., Hornstrup, Allan, Kitaguchi, Takao, Koglin, J. E., Madsen, Kristin K., Mao, Peter H., Miyasaka, Hiromasa, Perri, Matteo, Pivovaroff, Michael J., Puccetti, Simonetta, Rana, Vikram, Westergaard, Niels J., Zhang, William W.
We present a catalog of hard X-ray sources in a square-degree region surveyed by NuSTAR in the direction of the Norma spiral arm. This survey has a total exposure time of 1.7 Ms, and typical and maximum exposure depths of 50 ks and 1 Ms, respectively
Externí odkaz:
http://arxiv.org/abs/1703.00021
Autor:
Grefenstette, Brian W., Fryer, Chris L., Harrison, Fiona A., Boggs, Steven E., DeLaney, Tracey, Laming, J. Martin, Reynolds, Stephen P., Alexander, David M., Barret, Didier, Christensen, Finn E., Craig, William W., Forster, Karl, Giommi, Paolo, Hailey, Charles J., Hornstrup, Alan, Kitaguchi, Takao, Koglin, J. E., Lopez, Laura, Mao, Peter H., Madsen, Kristin K., Miyasaka, Hiromasa, Mori, Kaya, Perri, Matteo, Pivovaroff, Michael J., Puccetti, Simonetta, Rana, Vikram, Stern, Daniel, Westergaard, Niels J., Wik, Daniel R., Zhang, William W., Zoglauer, Andreas
The distribution of elements produced in the inner-most layers of a supernova explosion is a key diagnostic for studying the collapse of massive stars. Here we present the results of a 2.4 Ms \textit{NuSTAR} observing campaign aimed at studying the s
Externí odkaz:
http://arxiv.org/abs/1612.02774
Autor:
Madejski, G. M., Nalewajko, K., Madsen, K. K., Chiang, J., Baloković, M., Paneque, D., Furniss, A. K., Hayashida, M., Urry, C. M., Sikora, M., Ajello, M., Blandford, R. D., Harrison, F. A., Sanchez, D., Giebels, B., Stern, D., Alexander, D. M., Barret, D., Boggs, S. E., Christensen, F. E., Craig, W. W., Forster, K., Giommi, P., Grefenstette, B., Hailey, C., Hornstrup, A., Kitaguchi, T., Koglin, J. E., Mao, P. H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Westergaard, N. J., Zhang, W. W., Zoglauer, A.
We report the first hard X-ray observations with NuSTAR of the BL Lac type blazar PKS 2155-304, augmented with soft X-ray data from XMM-Newton and gamma-ray data from the Fermi Large Area Telescope, obtained in April 2013 when the source was in a ver
Externí odkaz:
http://arxiv.org/abs/1609.02203
Autor:
Simon, A., Guttormsen, M., Larsen, A. C., Beausang, C. W., Humby, P., Burke, J. T., Casperson, R. J., Hughes, R. O., Ross, T. J., Allmond, J. M., Chyzh, R., Dag, M., Koglin, J., McCleskey, E., McCleskey, M., Ota, S., Saastamoinen, A.
The {\gamma}-ray strength function and level density in the quasi-continuum of 151,153Sm have been measured using BGO shielded Ge clover detectors of the STARLiTeR system. The Compton shields allow for an extraction of the {\gamma} strength down to u
Externí odkaz:
http://arxiv.org/abs/1602.05824
Autor:
Baloković, M., Paneque, D., Madejski, G., Furniss, A., Chiang, J., team, the NuSTAR, Ajello, M., Alexander, D. M., Barret, D., Blandford, R., Boggs, S. E., Christensen, F. E., Craig, W. W., Forster, K., Giommi, P., Grefenstette, B. W., Hailey, C. J., Harrison, F. A., Hornstrup, A., Kitaguchi, T., Koglin, J. E., Madsen, K. K., Mao, P. H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Stern, D., Tagliaferri, G., Urry, C. M., Westergaard, N. J., Zhang, W. W., Zoglauer, A., collaboration, the VERITAS, Archambault, S., Archer, A. A., Barnacka, A., Benbow, W., Bird, R., Buckley, J., Bugaev, V., Cerruti, M., Chen, X., Ciupik, L., Connolly, M. P., Cui, W., Dickinson, H. J., Dumm, J., Eisch, J. D., Falcone, A., Feng, Q., Finley, J. P., Fleischhack, H., Fortson, L., Griffin, S., Griffiths, S. T., Grube, J., Gyuk, G., Huetten, M., Haakansson, N., Holder, J., Humensky, T. B., Johnson, C. A., Kaaret, P., Kertzman, M., Khassen, Y., Kieda, D., Krause, M., Krennrich, F., Lang, M. J., Maier, G., McArthur, S., Meagher, K., Moriarty, P., Nelson, T., Nieto, D., Ong, R. A., Park, N., Pohl, M., Popkow, A., Pueschel, E., Reynolds, P. T., Richards, G. T., Roache, E., Santander, M., Sembroski, G. H., Shahinyan, K., Smith, A. W., Staszak, D., Telezhinsky, I., Todd, N. W., Tucci, J. V., Tyler, J., Vincent, S., Weinstein, A., Wilhelm, A., Williams, D. A., Zitzer, B., collaboration, the MAGIC, Ahnen, M. L., Ansoldi, S., Antonelli, L. A., Antoranz, P., Babic, A., Banerjee, B., Bangale, P., de Almeida, U. Barres, Barrio, J., González, J. Becerra, Bednarek, W., Bernardini, E., Biasuzzi, B., Biland, A., Blanch, O., Bonnefoy, S., Bonnoli, G., Borracci, F., Bretz, T., Carmona, E., Carosi, A., Chatterjee, A., Clavero, R., Colin, P., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., Da Vela, P., Dazzi, F., de Angelis, A., De Lotto, B., Wilhelmi, E. D. de Oña, Mendez, C. Delgado, Di Pierro, F., Prester, D. Dominis, Dorner, D., Doro, M., Einecke, S., Elsaesser, D., Fernández-Barral, A., Fidalgo, D., Fonseca, M. V., Font, L., Frantzen, K., Fruck, C., Galindo, D., López, R. J. García, Garczarczyk, M., Terrats, D. Garrido, Gaug, M., Giammaria, P., Eisenacher, D., Godinović, N., Muñoz, A. González, Guberman, D., Hahn, A., Hanabata, Y., Hayashida, M., Herrera, J., Hose, J., Hrupec, D., Hughes, G., Idec, W., Kodani, K., Konno, Y., Kubo, H., Kushida, J., La Barbera, A., Lelas, D., Lindfors, E., Lombardi, S., Longo, F., López, M., López-Coto, R., López-Oramas, A., Lorenz, E., Majumdar, P., Makariev, M., Mallot, K., Maneva, G., Manganaro, M., Mannheim, K., Maraschi, L., Marcote, B., Mariotti, M., Martínez, M., Mazin, D., Menzel, U., Miranda, J. M., Mirzoyan, R., Moralejo, A., Moretti, E., Nakajima, D., Neustroev, V., Niedzwiecki, A., Nievas-Rosillo, M., Nilsson, K., Nishijima, K., Noda, K., Orito, R., Overkemping, A., Paiano, S., Palacio, S., Palatiello, M., Paoletti, R., Paredes, J. M., Paredes-Fortuny, X., Persic, M., Poutanen, J., Moroni, P. G. Prada, Prandini, E., Puljak, I., Rhode, W., Ribó, M., Rico, J., Garcia, J. Rodriguez, Saito, T., Satalecka, K., Scapin, V., Schultz, C., Schweizer, T., Shore, S. N., Sillanpää, A., Sitarek, J., Snidaric, I., Sobczynska, D., Stamerra, A., Steinbring, T., Strzys, M., Takalo, L. O., Takami, H., Tavecchio, F., Temnikov, P., Terzić, T., Tescaro, D., Teshima, M., Thaele, J., Torres, D. F., Toyama, T., Treves, A., Verguilov, V., Vovk, I., Ward, J. E., Will, M., Wu, M. H., Zanin, R., collaborators, external, Perkins, J., Verrecchia, F., Leto, C., Böttcher, M., Villata, M., Raiteri, C. M., Acosta-Pulido, J. A., Bachev, R., Berdyugin, A., Blinov, D. A., Carnerero, M. I., Chen, W. P., Chinchilla, P., Damljanovic, G., Eswaraiah, C., Grishina, T. S., Ibryamov, S., Jordan, B., Jorstad, S. G., Joshi, M., Kopatskaya, E. N., Kurtanidze, O. M., Kurtanidze, S. O., Larionova, E. G., Larionova, L. V., Larionov, V. M., Latev, G., Lin, H. C., Marscher, A. P., Mokrushina, A. A., Morozova, D. A., Nikolashvili, M. G., Semkov, E., Strigachev, A., Troitskaya, Yu. V., Troitsky, I. S., Vince, O., Barnes, J., Güver, T., Moody, J. W., Sadun, A. C., Sun, S., Hovatta, T., Richards, J. L., Max-Moerbeck, W., Readhead, A. C., Lähteenmäki, A., Tornikoski, M., Tammi, J., Ramakrishnan, V., Reinthal, R., Angelakis, E., Fuhrmann, L., Myserlis, I., Karamanavis, V., Sievers, A., Ungerechts, H., Zensus, J. A.
Publikováno v:
The Astrophysical Journal, 819, 156 (2016)
We present coordinated multiwavelength observations of the bright, nearby BL Lac object Mrk 421 taken in 2013 January-March, involving GASP-WEBT, Swift, NuSTAR, Fermi-LAT, MAGIC, VERITAS, and other collaborations and instruments, providing data from
Externí odkaz:
http://arxiv.org/abs/1512.02235
Autor:
Harrison, F. A., Aird, J., Civano, F., Lansbury, G., Mullaney, J. R., Ballantyne, D. R., Alexander, D. M., Stern, D., Ajello, M., Barret, D., Bauer, F. E., Balokovic, M., Brandt, W. N., Brightman, M., Boggs, S. E., Christensen, F. E., Comastri, A., Craig, W. W., Del Moro, A., Forster, K., Gandhi, P., Giommi, P., Grefenstette, B. W., Hailey, C. J., Hickox, R. C., Hornstrup, A., Kitaguchi, T., Koglin, J., Luo, B., Madsen, K. K., Mao, P. H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M., Puccetti, S., Rana, V., Treister, E., Walton, D., Westergaard, N. J., Wik, D., Zappacosta, L., Zhang, W. W., Zoglauer, A.
We present the 3-8 keV and 8-24 keV number counts of active galactic nuclei (AGN) identified in the NuSTAR extragalactic surveys. NuSTAR has now resolved 33-39% of the X-ray background in the 8-24 keV band, directly identifying AGN with obscuring col
Externí odkaz:
http://arxiv.org/abs/1511.04183