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305 results on '"Rajalakshmi G"'

4. Single-beam room-temperature atomic magnetometer with large bandwidth and dynamic range

Author

Kurian, K. K. George, Sahoo, Sushree S., Madhu, P. K., and Rajalakshmi, G.

Subjects
Physics - Atomic Physics, Physics - Instrumentation and Detectors, Physics - Optics
Abstract

We present a single-beam atomic magnetometer operating at room temperature for the measurement of ac magnetic fields. The magnetometer functions in the non-linear regime of magneto-optical rotation of $^{85}$Rb atomic vapour. We demonstrate a sensitivity of $\sim 0.9$ pT$/ \sqrt{Hz}$ at 2 kHz and a large bandwidth of 24 kHz. The dynamic range of measurement is $10^6$, making the sensor effective even in Earth's field. We present the signal-to-noise and bandwidth characteristics of the system for both shielded and unshielded modes of operation. Moreover, we perform theoretical analysis for the atom-light system for the single laser beam configuration. The effect of light intensity and detuning on the magnetometer are studied theoretically as well as experimentally to understand the strengths and limitations of the technique., Comment: 7 pages, 6 Figures

Published
2022

6. High-Sensitivity Characterization of Ultra-Thin Atomic Layers using Spin-Hall Effect of Light

Author

Panda, Janmey Jay, Sahoo, Krishna Rani, Praturi, Aparna, Lal, Ashique, Viswanathan, Nirmal K., Narayanan, Tharangattu N., and Rajalakshmi, G.

Subjects
Physics - Optics, Condensed Matter - Materials Science, Physics - Applied Physics
Abstract

Magnetic/non-magnetic/heterostructured ultra-thin films' characterisation is highly demanding due to the emerging diverse applications of such films. Diverse measurements are usually performed on such systems to infer their electrical, optical and magnetic properties. We demonstrate that MOKE-based spin-Hall effect of light (SHEL) is a versatile surface characterization tool for studying materials' magnetic and dielectric ordering. Using this technique, we measure magnetic field dependent complex Kerr angle and the coercivity in ultra-thin films of permalloy (Py) and at molybdenum disulphide (MoS$_2$) - permalloy (MSPy) hetero-structure interfaces. The measurements are compared with standard magneto-optic Kerr effect (MOKE) studies to demonstrate that SHEL-MOKE is a practical alternative to the conventional MOKE method, with competitive sensitivity. A comprehensive theoretical model and simulation data are provided to further strengthen the potential of this simple non-invasive optical method. The theoretical model is applied to extract the optical conductivity and susceptibility of non-magnetic ultra-thin layers such as MoS$_2$ ., Comment: 15 pages, 7 figure, one supplementary document

Published
2022
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7. Nonlinear magnetoelectric effect in atomic vapor

Author

Sahoo, Sushree S., Mishra, Soumya R., Rajalakshmi, G., and Mohapatra, Ashok K.

Subjects
Physics - Atomic Physics, Physics - Optics
Abstract

Magnetoelectric (ME) effect refers to the coupling between electric and magnetic fields in a medium resulting in electric polarization induced by magnetic fields and magnetization induced by electric fields. The linear ME effect in certain magnetoelectric materials such as multiferroics has been of great interest due to its application in the fabrication of spintronics devices, memories, and magnetic sensors. However, the exclusive studies on the nonlinear ME effect are mostly centered on the investigation of second-harmonic generation in chiral materials. Here, we report the demonstration of nonlinear wave mixing of optical electric fields and radio-frequency (rf) magnetic fields in thermal atomic vapor, which is the consequence of the higher-order nonlinear ME effect in the medium. The experimental results are explained by comparing with density matrix calculations of the system. We also experimentally verify the expected dependence of the generated field amplitudes on the rf field magnitude as evidence of the magnetoelectric effect. This study can open up the possibility for precision rf-magnetometry due to its advantage in terms of larger dynamic range and arbitrary frequency resolution.

Published
2021

9. Ultra-sensitive Single-beam Atom-optical Magnetometer using Weak Measurement Method

Author

Francis, T. J. Vineeth, Suna, Rashmi Ranjan, Madhu, P. K., Viswanathan, Nirmal K., and Rajalakshmi, G.

Subjects
Physics - Instrumentation and Detectors, Physics - Optics
Abstract

Ultra-sensitive measurement of the magneto-optical rotation, due to interaction of linearly-polarized light passing through room-temperature Rb 85 atoms, in response to change in longitudinal magnetic field (\delta B_z ) is demonstrated using the weak measurement method. The polarization rotation angle measurement sensitivity (\delta \psi ) of 16 \mu~rad and hence of the magnetometer of 1 nT, achieved using the weak measurement method is better than the balanced optical polarimetry results by a factor of three. The improvement in the measurement sensitivity is realized via optical amplification of the polarization rotation angle via spin-orbit coupled light beam-field. The method is devoid of external rf modulation, allows for optimal tunability of sensitivity depending on the dynamic range of the applied magnetic field and the sensitivity can be further enhanced by operating in the Spin Exchange Relaxation Free regime of alkali spin polarization., Comment: 5 pages, 4 figures

Published
2019

12. Development of Compression Algorithms for Computed Tomography and Magnetic Resonance Imaging

Author

Pandian, R., LalithaKumari, S., RaviKumar, D. N. S., Rajalakshmi, G., Zhang, Yanchun, Series Editor, Bellazzi, Riccardo, Editorial Board Member, Goldschmidt, Leonard, Editorial Board Member, Hsu, Frank, Editorial Board Member, Huang, Guangyan, Editorial Board Member, Klawonn, Frank, Editorial Board Member, Liu, Jiming, Editorial Board Member, Liu, Zhijun, Editorial Board Member, Luo, Gang, Editorial Board Member, Ma, Jianhua, Editorial Board Member, Tseng, Vincent, Editorial Board Member, Zhang, Dana, Editorial Board Member, Zhou, Fengfeng, Editorial Board Member, Manocha, Amit Kumar, editor, Jain, Shruti, editor, Singh, Mandeep, editor, and Paul, Sudip, editor

Published
2021
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13. Monitoring and alerting system for reservoirs and dams using embedded system.

Author

Jaiganesh, J., Karthikeyan, R., Krishnamoorthy, N. R., Ramadevi, R., and Rajalakshmi, G.

Abstract

For the past few decades, the one of the most problems in India is the water scarcity. It has been there not only in our country but also trough out the world. Even though the world was covered by water by two third compare to the land surface, still we are facing this water scarcity issue. The major factor behinds this are improper water savings, insufficient power supply to the DAM and reservoirs and due to the improper closing and opening of the DAM. Till date the handling of DAM and reservoirs are carried out manually and it requires an person be present there throughout a day to monitor the level of DAM. The implementation of control mechanism by the Programmable Logic Controller is possible, but it requires a huge amount of money needs to be invested. To resolve this issue, a low cost embedded system was proposed in this article. It consists of two section namely DAM and channel section. Separate control is designed for both this section and it will be controlled through wireless sensor based network system. This proposed system not only monitoring the level of the DAM and channel section, it will also provide ample amount of water to the civilians on the request basis. A unique App also was developed and it will be installed in all the civilians mobile in the particular zone. The authentication of the civilians will be done through the OTP generated by the server. This system also gives an warning message to the civilians in an particular zone in emergency case such as during flood and heavy rain conditions. [ABSTRACT FROM AUTHOR]

Published
2024
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15. Is there solid-on-solid contact in a sphere-wall collision in a viscous fluid?

Author

Birwa, Sumit Kumar, Rajalakshmi, G., Govindarajan, Rama, and Menon, Narayanan

Subjects
Physics - Fluid Dynamics
Abstract

We study experimentally the collision between a sphere falling through a viscous fluid, and a solid plate below. It is known that there is a well-defined threshold Stokes number above which the sphere rebounds from such a collision. Our experiment tests for direct contact between the colliding bodies, and contrary to prior theoretical predictions, shows that solid-on-solid contact occurs even for Stokes numbers just above the threshold for rebounding. The dissipation is fluid-dominated, though details of the contact mechanics depend on the surface and bulk properties of the solids. Our experiments and a model calculation indicate that mechanical contact between the two colliding objects is generic and will occur for any realistic surface roughness., Comment: 12 pages, 11 figures

Published
2016
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16. Searches for continuous gravitational waves from nine young supernova remnants

Author

Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Adya, V., Affeldt, C., Agathos, M., Agatsuma, K., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J. S., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Aylott, B. E., Babak, S., Baker, P. T., Baldaccini, F., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barclay, S., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Bartlett, J., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauer, Th. S., Baune, C., Bavigadda, V., Behnke, B., Bejger, M., Belczynski, C., Bell, A. S., Bell, C., Benacquista, M., Bergman, J., Bergmann, G., Berry, C. P. L., Bersanetti, D., Bertolini, A., Betzwieser, J., Bhagwat, S., Bhandare, R., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Biwer, C., Bizouard, M. A., Blackburn, J. K., Blackburn, L., Blair, C. D., Blair, D., Bloemen, S., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bojtos, P., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brown, N. M., Buchman, S., Buikema, A., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Cannon, K. C., Cao, J., Capano, C. D., Carbognani, F., Caride, S., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Cho, M., Chow, J. H., Christensen, N., Chu, Q., Chua, S., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio, Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M. J., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Creighton, T. D., Cripe, J., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Cutler, C., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dartez, L., Dattilo, V., Dave, I., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., DeBra, D., Debreczeni, G., Degallaix, J., De Laurentis, M., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Dojcinoski, G., Dolique, V., Dominguez, E., Donovan, F., Dooley, K. L., Doravari, S., Douglas, R., Downes, T. P., Drago, M., Driggers, J. C., Du, Z., Ducrot, M., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H. -B., Ehrens, P., Eichholz, J., Eikenberry, S. S., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fan, X., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fays, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Ferrante, I., Ferreira, E. C., Ferrini, F., Fidecaro, F., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fuentes-Tapia, S., Fulda, P., Fyffe, M., Gair, J. R., Gammaitoni, L., Gaonkar, S., Garufi, F., Gatto, A., Gehrels, N., Gemme, G., Gendre, B., Genin, E., Gennai, A., Gergely, L. Á., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grunewald, S., Guidi, G. M., Guido, C. J., Guo, X., Gushwa, K., Gustafson, E. K., Gustafson, R., Hacker, J., Hall, E. D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hannam, M. D., Hanson, J., Hardwick, T., Harms, J., Harry, G. M., Harry, I. W., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Hee, S., Heidmann, A., Heintze, M., Heinzel, G., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Hofman, D., Hollitt, S. E., Holt, K., Hopkins, P., Hosken, D. J., Hough, J., Houston, E., Howell, E. J., Hu, Y. M., Huerta, E., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Idrisy, A., Indik, N., Ingram, D. R., Inta, R., Islas, G., Isler, J. C., Isogai, T., Iyer, B. R., Izumi, K., Jacobson, M., Jang, H., Jaranowski, P., Jawahar, S., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufer, S., Kaur, T., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Key, J. S., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N. G., Kim, N., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Korobko, M., Korth, W. Z., Kowalska, I., Kozak, D. B., Kringel, V., Krishnan, B., Królak, A., Krueger, C., Kuehn, G., Kumar, A., Kumar, P., Kuo, L., Kutynia, A., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lazzarini, A., Lazzaro, C., Le, J., Leaci, P., Leavey, S., Lebigot, E., Lebigot, E. O., Lee, C. H., Lee, H. K., Lee, H. M., Leonardi, M., Leong, J. R., Leroy, N., Letendre, N., Levin, Y., Levine, B., Lewis, J., Li, T. G. F., Libbrecht, K., Libson, A., Lin, A. C., Littenberg, T. B., Lockerbie, N. A., Lockett, V., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Lynch, R., Ma, Y., Macarthur, J., MacDonald, T., Machenschalk, B., MacInnis, M., Macleod, D. M., Magaña-Sandoval, F., Magee, R., Mageswaran, M., Maglione, C., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Mandel, I., Mandic, V., Mangano, V., Mansell, G. L., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Martelli, F., Martellini, L., Martin, I. W., Martin, R. M., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Mavalvala, N., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McCormick, S., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., McWilliams, S., Meacher, D., Meadors, G. D., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyers, P. M., Mezzani, F., Miao, H., Michel, C., Middleton, H., Mikhailov, E. E., Milano, L., Miller, A., Miller, J., Millhouse, M., Minenkov, Y., Ming, J., Mirshekari, S., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moggi, A., Mohan, M., Mohanty, S. D., Mohapatra, S. R. P., Moore, B., Moraru, D., Moreno, G., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R. K., Necula, V., Nedkova, K., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nielsen, A. B., Nissanke, S., Nitz, A. H., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., Oram, R., O'Reilly, B., Ortega, W., O'Shaughnessy, R., Osthelder, C., Ott, C. D., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Pai, S., Palashov, O., Palomba, C., Pal-Singh, A., Pan, H., Pankow, C., Pannarale, F., Pant, B. C., Paoletti, F., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Patrick, Z., Pedraza, M., Pekowsky, L., Pele, A., Penn, S., Perreca, A., Phelps, M., Pichot, M., Piergiovanni, F., Pierro, V., Pillant, G., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Post, A., Poteomkin, A., Powell, J., Prasad, J., Predoi, V., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Principe, M., Privitera, S., Prix, R., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Pürrer, M., Qin, J., Quetschke, V., Quintero, E., Quiroga, G., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramirez, K., Rapagnani, P., Raymond, V., Razzano, M., Re, V., Reed, C. M., Regimbau, T., Rei, L., Reid, S., Reitze, D. H., Reula, O., Ricci, F., Riles, K., Robertson, N. A., Robie, R., Robinet, F., Rocchi, A., Rolland, L., Rollins, J. G., Roma, V., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Sachdev, S., Sadecki, T., Sadeghian, L., Saleem, M., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sannibale, V., Santiago-Prieto, I., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Sawadsky, A., Scheuer, J., Schilling, R., Schmidt, P., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Serna, G., Sevigny, A., Shaddock, D. A., Shah, S., Shahriar, M. S., Shaltev, M., Shao, Z., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Silva, A. D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Staley, A., Stebbins, J., Steinke, M., Steinlechner, J., Steinlechner, S., Steinmeyer, D., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Sutton, P. J., Swinkels, B., Szczepanczyk, M., Szeifert, G., Tacca, M., Talukder, D., Tanner, D. B., Tápai, M., Tarabrin, S. P., Taracchini, A., Taylor, R., Tellez, G., Theeg, T., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tomlinson, C., Tonelli, M., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Tshilumba, D., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Usman, S. A., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., van Bakel, N., van Beuzekom, M., Brand, J. F. J. van den, Broeck, C. van den, van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyatchanin, S. P., Wade, A. R., Wade, L., Wade, M., Walker, M., Wallace, L., Walsh, S., Wang, H., Wang, M., Wang, X., Ward, R. L., Warner, J., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., Westphal, T., Wette, K., Whelan, J. T., White, D. J., Whiting, B. F., Wilkinson, C., Williams, L., Williams, R., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Xie, S., Yablon, J., Yakushin, I., Yam, W., Yamamoto, H., Yancey, C. C., Yang, Q., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhang, M., Zhang, Y., Zhao, C., Zhou, M., Zhu, X. J., Zucker, M. E., Zuraw, S., and Zweizig, J.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, General Relativity and Quantum Cosmology
Abstract

We describe directed searches for continuous gravitational waves in data from the sixth LIGO science data run. The targets were nine young supernova remnants not associated with pulsars; eight of the remnants are associated with non-pulsing suspected neutron stars. One target's parameters are uncertain enough to warrant two searches, for a total of ten. Each search covered a broad band of frequencies and first and second frequency derivatives for a fixed sky direction. The searches coherently integrated data from the two LIGO interferometers over time spans from 5.3-25.3 days using the matched-filtering F-statistic. We found no credible gravitational-wave signals. We set 95% confidence upper limits as strong (low) as $4\times10^{-25}$ on intrinsic strain, $2\times10^{-7}$ on fiducial ellipticity, and $3\times10^{-6}$ on r-mode amplitude. These beat the indirect limits from energy conservation and are within the range of theoretical predictions for neutron-star ellipticities and r-mode amplitudes., Comment: Updated following erratum. Science summary available at http://www.ligo.org/science/Publication-S6DirectedSNR/index.php

Published
2014
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17. A directed search for gravitational waves from Scorpius X-1 with initial LIGO

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Adya, V., Affeldt, C., Agathos, M., Agatsuma, K., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J. S., Ashton, G., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Aylott, B. E., Babak, S., Baker, P. T., Baldaccini, F., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barclay, S., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Bartlett, J., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauer, Th. S., Baune, C., Bavigadda, V., Behnke, B., Bejger, M., Belczynski, C., Bell, A. S., Bell, C., Benacquista, M., Bergman, J., Bergmann, G., Berry, C. P. L., Bersanetti, D., Bertolini, A., Betzwieser, J., Bhagwat, S., Bhandare, R., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Biwer, C., Bizouard, M. A., Blackburn, J. K., Blackburn, L., Blair, C. D., Blair, D., Bloemen, S., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bojtos, P., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brown, N. M., Buchman, S., Buikema, A., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Cannon, K. C., Cao, J., Capano, C. D., Carbognani, F., Caride, S., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Cho, M., Chow, J. H., Christensen, N., Chu, Q., Chua, S., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio, Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M. J., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Creighton, T. D., Cripe, J., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Cutler, C., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dartez, L., Dattilo, V., Dave, I., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., DeBra, D., Debreczeni, G., Degallaix, J., De Laurentis, M., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Dojcinoski, G., Dolique, V., Dominguez, E., Donovan, F., Dooley, K. L., Doravari, S., Douglas, R., Downes, T. P., Drago, M., Driggers, J. C., Du, Z., Ducrot, M., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H. -B., Ehrens, P., Eichholz, J., Eikenberry, S. S., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fan, X., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fays, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Ferrante, I., Ferreira, E. C., Ferrini, F., Fidecaro, F., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fuentes-Tapia, S., Fulda, P., Fyffe, M., Gair, J. R., Gammaitoni, L., Gaonkar, S., Garufi, F., Gatto, A., Gehrels, N., Gemme, G., Gendre, B., Genin, E., Gennai, A., Gergely, L. Á., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grunewald, S., Guidi, G. M., Guido, C. J., Guo, X., Gushwa, K., Gustafson, E. K., Gustafson, R., Hacker, J., Hall, E. D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hannam, M. D., Hanson, J., Hardwick, T., Harms, J., Harry, G. M., Harry, I. W., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Hee, S., Heidmann, A., Heintze, M., Heinzel, G., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Hofman, D., Hollitt, S. E., Holt, K., Hopkins, P., Hosken, D. J., Hough, J., Houston, E., Howell, E. J., Hu, Y. M., Huerta, E., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Idrisy, A., Indik, N., Ingram, D. R., Inta, R., Islas, G., Isler, J. C., Isogai, T., Iyer, B. R., Izumi, K., Jacobson, M., Jang, H., Jaranowski, P., Jawahar, S., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufer, S., Kaur, T., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Key, J. S., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N. G., Kim, N., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Korobko, M., Korth, W. Z., Kowalska, I., Kozak, D. B., Kringel, V., Krishnan, B., Królak, A., Krueger, C., Kuehn, G., Kumar, A., Kumar, P., Kuo, L., Kutynia, A., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lazzarini, A., Lazzaro, C., Le, J., Leaci, P., Leavey, S., Lebigot, E., Lebigot, E. O., Lee, C. H., Lee, H. K., Lee, H. M., Leonardi, M., Leong, J. R., Leroy, N., Letendre, N., Levin, Y., Levine, B., Lewis, J., Li, T. G. F., Libbrecht, K., Libson, A., Lin, A. C., Littenberg, T. B., Lockerbie, N. A., Lockett, V., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Lynch, R., Ma, Y., Macarthur, J., MacDonald, T., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Magee, R., Mageswaran, M., Maglione, C., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Mandel, I., Mandic, V., Mangano, V., Mansell, G. L., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Martelli, F., Martellini, L., Martin, I. W., Martin, R. M., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Mavalvala, N., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McCormick, S., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., McWilliams, S., Meacher, D., Meadors, G. D., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyers, P. M., Mezzani, F., Miao, H., Michel, C., Middleton, H., Mikhailov, E. E., Milano, L., Miller, A., Miller, J., Millhouse, M., Minenkov, Y., Ming, J., Mirshekari, S., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moggi, A., Mohan, M., Mohanty, S. D., Mohapatra, S. R. P., Moore, B., Moraru, D., Moreno, G., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R. K., Necula, V., Nedkova, K., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nielsen, A. B., Nissanke, S., Nitz, A. H., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., Oram, R., O'Reilly, B., Ortega, W., O'Shaughnessy, R., Osthelder, C., Ott, C. D., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Pai, S., Palashov, O., Palomba, C., Pal-Singh, A., Pan, H., Pankow, C., Pannarale, F., Pant, B. C., Paoletti, F., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Patrick, Z., Pedraza, M., Pekowsky, L., Pele, A., Penn, S., Perreca, A., Phelps, M., Pichot, M., Piergiovanni, F., Pierro, V., Pillant, G., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Post, A., Poteomkin, A., Powell, J., Prasad, J., Predoi, V., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Principe, M., Privitera, S., Prix, R., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Pürrer, M., Qin, J., Quetschke, V., Quintero, E., Quiroga, G., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramirez, K., Rapagnani, P., Raymond, V., Razzano, M., Re, V., Reed, C. M., Regimbau, T., Rei, L., Reid, S., Reitze, D. H., Reula, O., Ricci, F., Riles, K., Robertson, N. A., Robie, R., Robinet, F., Rocchi, A., Rolland, L., Rollins, J. G., Roma, V., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Sachdev, S., Sadecki, T., Sadeghian, L., Saleem, M., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sannibale, V., Santiago-Prieto, I., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Sawadsky, A., Scheuer, J., Schilling, R., Schmidt, P., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Serafinelli, R., Sergeev, A., Serna, G., Sevigny, A., Shaddock, D. A., Shah, S., Shahriar, M. S., Shaltev, M., Shao, Z., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Silva, A. D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Staley, A., Stebbins, J., Steinke, M., Steinlechner, J., Steinlechner, S., Steinmeyer, D., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Sutton, P. J., Swinkels, B., Szczepanczyk, M., Szeifert, G., Tacca, M., Talukder, D., Tanner, D. B., Tápai, M., Tarabrin, S. P., Taracchini, A., Taylor, R., Tellez, G., Theeg, T., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tomlinson, C., Tonelli, M., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Tshilumba, D., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Usman, S. A., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., van Bakel, N., van Beuzekom, M., Brand, J. F. J. van den, Broeck, C. van den, van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyatchanin, S. P., Wade, A. R., Wade, L., Wade, M., Walker, M., Wallace, L., Walsh, S., Wang, H., Wang, M., Wang, X., Ward, R. L., Warner, J., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., Westphal, T., Wette, K., Whelan, J. T., White, D. J., Whiting, B. F., Wilkinson, C., Williams, L., Williams, R., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Xie, S., Yablon, J., Yakushin, I., Yam, W., Yamamoto, H., Yancey, C. C., Yang, Q., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhang, M., Zhang, Y., Zhao, C., Zhou, M., Zhu, X. J., Zucker, M. E., Zuraw, S., and Zweizig, J.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - High Energy Astrophysical Phenomena
Abstract

We present results of a search for continuously-emitted gravitational radiation, directed at the brightest low-mass X-ray binary, Scorpius X-1. Our semi-coherent analysis covers 10 days of LIGO S5 data ranging from 50-550 Hz, and performs an incoherent sum of coherent $\mathcal{F}$-statistic power distributed amongst frequency-modulated orbital sidebands. All candidates not removed at the veto stage were found to be consistent with noise at a 1% false alarm rate. We present Bayesian 95% confidence upper limits on gravitational-wave strain amplitude using two different prior distributions: a standard one, with no a priori assumptions about the orientation of Scorpius X-1; and an angle-restricted one, using a prior derived from electromagnetic observations. Median strain upper limits of 1.3e-24 and 8e-25 are reported at 150 Hz for the standard and angle-restricted searches respectively. This proof of principle analysis was limited to a short observation time by unknown effects of accretion on the intrinsic spin frequency of the neutron star, but improves upon previous upper limits by factors of ~1.4 for the standard, and 2.3 for the angle-restricted search at the sensitive region of the detector., Comment: 19 pages, 8 figures

Published
2014
Full Text
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18. Narrow-band search of continuous gravitational-wave signals from Crab and Vela pulsars in Virgo VSR4 data

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Adya, V., Affeldt, C., Agathos, M., Agatsuma, K., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J. S., Ashton, G., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Aylott, B. E., Babak, S., Baker, P. T., Baldaccini, F., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barclay, S., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Bartlett, J., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauer, Th. S., Baune, C., Bavigadda, V., Behnke, B., Bejger, M., Belczynski, C., Bell, A. S., Bell, C., Benacquista, M., Bergman, J., Bergmann, G., Berry, C. P. L., Bersanetti, D., Bertolini, A., Betzwieser, J., Bhagwat, S., Bhandare, R., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Biwer, C., Bizouard, M. A., Blackburn, J. K., Blackburn, L., Blair, C. D., Blair, D., Bloemen, S., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bojtos, P., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brown, N. M., Buchman, S., Buikema, A., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Cannon, K. C., Cao, J., Capano, C. D., Carbognani, F., Caride, S., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Cho, M., Chow, J. H., Christensen, N., Chu, Q., Chua, S., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio, Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M. J., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Creighton, T. D., Cripe, J., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Cutler, C., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dartez, L., Dattilo, V., Dave, I., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., DeBra, D., Debreczeni, G., Degallaix, J., De Laurentis, M., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Dojcinoski, G., Dolique, V., Dominguez, E., Donovan, F., Dooley, K. L., Doravari, S., Douglas, R., Downes, T. P., Drago, M., Driggers, J. C., Du, Z., Ducrot, M., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H. -B., Ehrens, P., Eichholz, J., Eikenberry, S. S., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fan, X., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fays, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Ferrante, I., Ferreira, E. C., Ferrini, F., Fidecaro, F., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fuentes-Tapia, S., Fulda, P., Fyffe, M., Gair, J. R., Gammaitoni, L., Gaonkar, S., Garufi, F., Gatto, A., Gehrels, N., Gemme, G., Gendre, B., Genin, E., Gennai, A., Gergely, L. Á., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greco, G., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grunewald, S., Guidi, G. M., Guido, C. J., Guo, X., Gushwa, K., Gustafson, E. K., Gustafson, R., Hacker, J., Hall, E. D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hannam, M. D., Hanson, J., Hardwick, T., Harms, J., Harry, G. M., Harry, I. W., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Hee, S., Heidmann, A., Heintze, M., Heinzel, G., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Hofman, D., Hollitt, S. 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Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, General Relativity and Quantum Cosmology
Abstract

In this paper we present the results of a coherent narrow-band search for continuous gravitational-wave signals from the Crab and Vela pulsars conducted on Virgo VSR4 data. In order to take into account a possible small mismatch between the gravitational wave frequency and two times the star rotation frequency, inferred from measurement of the electromagnetic pulse rate, a range of 0.02 Hz around two times the star rotational frequency has been searched for both the pulsars. No evidence for a signal has been found and 95$\%$ confidence level upper limits have been computed both assuming polarization parameters are completely unknown and that they are known with some uncertainty, as derived from X-ray observations of the pulsar wind torii. For Vela the upper limits are comparable to the spin-down limit, computed assuming that all the observed spin-down is due to the emission of gravitational waves. For Crab the upper limits are about a factor of two below the spin-down limit, and represent a significant improvement with respect to past analysis. This is the first time the spin-down limit is significantly overcome in a narrow-band search., Comment: 17 pages, 11 figures

Published
2014
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19. Characterization of the LIGO detectors during their sixth science run

Author

The LIGO Scientific Collaboration, The Virgo Collaboration, Aasi, J., Abadie, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Adams, C., Adams, T., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Allen, B., Allocca, A., Ceron, E. Amador., Amariutei, D., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barker, D., Barnum, S. H., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J., Bauchrowitz, J., Bauer, Th. S., Bebronne, M., Behnke, B., Bejger, M., Beker, M. G., Bell, A. S., Bell, C., Belopolski, I., Bergmann, G., Berliner, J. M., Bertolini, A., Bessis, D., Betzwieser, J., Beyersdorf, P. T., Bhadbhade, T., Bilenko, I. A., Billingsley, G., Birch, J., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Bose, S., Bosi, L., Bowers, J., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brannen, C. A., Brau, J. E., Breyer, J., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Britzger, M., Brooks, A. F., Brown, D. A., Brown, D. D., Bruckner, F., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. Calderon., Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. 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M., Mandel, I., Mandic, V., Mangano, V., Mantovani, M., Marchesoni, F., Marion, F., Marka, S., Marka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martellini, L., Martin, I. W., Martin, R. M., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meier, T., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Mohan, M., Mohapatra, S. R. P., Mokler, F., Moraru, D., Moreno, G., Morgado, N., Mori, T., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R., Necula, V., Neri, I., Newton, G., Nguyen, T., Nishida, E., Nishizawa, A., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., Larcher, W. Ortega., O'Shaughnessy, R., Osthelder, C., Ott, C. D., Ottaway, D. J., Ottens, R. S., Ou, J., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palomba, C., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Peiris, P., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pindor, B., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poole, V., Poux, C., Predoi, V., Prestegard, T., Price, L. R., Prijatelj, M., Principe, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Racz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Rapagnani, P., Raymond, V., Re, V., Reed, C. M., Reed, T., Regimbau, T., Reid, S., Reitze, D. H., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S., Rodriguez, C., Rodruck, M., Roever, C., Rolland, L., Rollins, J. G., Romano, R., Romanov, G., Romie, J. H., Rosinska, D., Rowan, S., Rudiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schulz, B., Schutz, B. F., Schwinberg, P., Scott, J., Scott, S. M., Seifert, F., Sellers, D., Sengupta, A. S., Sentenac, D., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Sintes, A. M., Skelton, G. R., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Soden, K., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Steinert, E., Steinlechner, J., Steinlechner, S., Steplewski, S., Stevens, D., Stochino, A., Stone, R., Strain, K. A., Strigin, S., Stroeer, A. S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Szeifert, G., Tacca, M., Talukder, D., Tang, L., Tanner, D. B., Tarabrin, S. P., Taylor, R., Braack, A. P. M. ter., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Vahlbruch, H., Vajente, G., Vallisneri, M., Brand, J. F. J. van. den., Broeck, C. Van. Den., Putten, S. van. der., Sluys, M. V. van. der., Heijningen, J. van., Veggel, A. A. van., Vass, S., Vasuth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S., Vetrano, F., Vicere, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vlcek, B., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vrinceanu, D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Waldman, S. J., Walker, M., Wallace, L., Wan, Y., Wang, J., Wang, M., Wang, X., Wanner, A., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., Whitcomb, S. E., White, D. J., Whiting, B. F., Wibowo, S., Wiesner, K., Wilkinson, C., Williams, L., Williams, R., Williams, T., Willis, J. L., Willke, B., Wimmer, M., Winkelmann, L., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yeaton-Massey, D., Yoshida, S., Yum, H., Yvert, M., Zadrozny, A., Zanolin, M., Zendri, J. P., Zhang, F., Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zotov, N., and Zucker, M. E.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

In 2009-2010, the Laser Interferometer Gravitational-wave Observa- tory (LIGO) operated together with international partners Virgo and GEO600 as a network to search for gravitational waves of astrophysical origin. The sensitiv- ity of these detectors was limited by a combination of noise sources inherent to the instrumental design and its environment, often localized in time or frequency, that couple into the gravitational-wave readout. Here we review the performance of the LIGO instruments during this epoch, the work done to characterize the de- tectors and their data, and the effect that transient and continuous noise artefacts have on the sensitivity of LIGO to a variety of astrophysical sources., Comment: 31 pages, 13 figures

Published
2014
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20. Searching for stochastic gravitational waves using data from the two co-located LIGO Hanford detectors

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abadie, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Allen, B., Allocca, A., Ceron, E. Amado., Amariutei, D., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barker, D., Barnum, S. H., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J., Bauchrowitz, J., Bauer, Th. S., Bebronne, M., Behnke, B., Bejger, M., Beker, M. G., Bell, A. S., Bell, C., Belopolski, I., Bergmann, G., Berliner, J. M., Bersanetti, D., Bertolini, A., Bessis, D., Betzwieser, J., Beyersdorf, P. T., Bhadbhade, T., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, S., Bosi, L., Bowers, J., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brannen, C. A., Brau, J. E., Breyer, J., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Britzger, M., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. Calderó., Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Colombini, M., Constanci. Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Craig, K., Creighton, J. D. E., Creighton, T. D., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Da., Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daudert, B., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., Debreczeni, G., Degallaix, J., Deleeuw, E., Deléglise, S., Pozzo, W. De., Denker, T., Dent, T., Dereli, H., Dergachev, V., DeRosa, R. T., Rosa, R. D., DeSalvo, R., Dhurandhar, S., Díaz, M., Dietz, A., Fiore, L. D., Lieto, A. D., Palma, I. D., Virgilio, A. D., Dmitry, K., Donovan, F., Dooley, K. L., Doravari, S., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dumas, J. -C., Dwyer, S., Eberle, T., Edwards, M., Effler, A., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, K., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farr, B., Farr, W., Favata, M., Fazi, D., Fehrmann, H., Feldbaum, D., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R., Flaminio, R., Foley, E., Foley, S., Forsi, E., Fotopoulos, N., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fujimoto, M. -K., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Garcia, J., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Gergely, L., Ghosh, S., Giaime, J. A., Giampanis, S., Giardina, K. D., Giazotto, A., Gil-Casanova, S., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Graef, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Griffo, C., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K. E., Gustafson, E. K., Gustafson, R., Hall, B., Hall, E., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hartman, M. T., Haughian, K., Hayama, K., Heefner, J., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Hong, T., Hooper, S., Horrom, T., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hua, Z., Huang, V., Huerta, E. A., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Iafrate, J., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jang, Y. J., Jaranowski, P., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, D., Jones, R., Jonker, R. J. G., Ju, L., K, Hari., Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Kasprzack, M., Kasturi, R., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufman, K., Kawabe, K., Kawamura, S., Kawazoe, F., Kéfélian, F., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, B. K., Kim, C., Kim, K., Kim, N., Kim, W., Kim, Y. -M., King, E., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kucharczyk, C., Kudla, S., Kuehn, G., Kumar, A., Kumar, D. Nand., Kumar, P., Kumar, R., Kurdyumov, R., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Leaci, P., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J. J., Lee, J., Leonardi, M., Leong, J. R., Roux, A. L., Leroy, N., Letendre, N., Levine, B., Lewis, J. B., Lhuillier, V., Li, T. G. F., Lin, A. C., Littenberg, T. B., Litvine, V., Liu, F., Liu, H., Liu, Y., Liu, Z., Lloyd, D., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Luan, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Macarthur, J., Macdonald, E., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martellini, L., Martin, I. W., Martin, R. M., Martini, G., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meier, T., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Miao, H., Michel, C., Mikhailov, E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Mohan, M., Mohapatra, S. R. P., Mokler, F., Moraru, D., Moreno, G., Morgado, N., Mori, T., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R., Necula, V., Neri, I., Neri, M., Newton, G., Nguyen, T., Nishida, E., Nishizawa, A., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., Larcher, W. Orteg., O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Ou, J., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palomba, C., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Peiris, P., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pindor, B., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poole, V., Postiglione, F., Poux, C., Predoi, V., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Rapagnani, P., Raymond, V., Re, V., Reed, C. M., Reed, T., Regimbau, T., Reid, S., Reitze, D. H., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S., Rodriguez, C., Rodruck, M., Roever, C., Rolland, L., Rollins, J. G., Romano, J. D., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schulz, B., Schutz, B. F., Schwinberg, P., Scott, J., Scott, S. M., Seifert, F., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Sintes, A. M., Skelton, G. R., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Soden, K., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Steinert, E., Steinlechner, J., Steinlechner, S., Steplewski, S., Stevens, D., Stochino, A., Stone, R., Strain, K. A., Straniero, N., Strigin, S., Stroeer, A. S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Szeifert, G., Tacca, M., Talukder, D., Tang, L., Tanner, D. B., Tarabrin, S. P., Taylor, R., Braack, A. P. M. te., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Vahlbruch, H., Vajente, G., Vallisneri, M., Brand, J. F. J. va. de., Broeck, C. Va. De., Putten, S. va. de., Sluys, M. V. va. de., Heijningen, J. va., Veggel, A. A. va., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, P. J., Veitch, J., Venkateswara, K., Verkindt, D., Verma, S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vlcek, B., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vrinceanu, D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Waldman, S. J., Walker, M., Wallace, L., Wan, Y., Wang, J., Wang, M., Wang, X., Wanner, A., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., White, D. J., Whiting, B. F., Wibowo, S., Wiesner, K., Wilkinson, C., Williams, L., Williams, R., Williams, T., Willis, J. L., Willke, B., Wimmer, M., Winkelmann, L., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yeaton-Massey, D., Yoshida, S., Yum, H., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, F., Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zotov, N., Zucker, M. E., and Zweizig, J.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

Searches for a stochastic gravitational-wave background (SGWB) using terrestrial detectors typically involve cross-correlating data from pairs of detectors. The sensitivity of such cross-correlation analyses depends, among other things, on the separation between the two detectors: the smaller the separation, the better the sensitivity. Hence, a co-located detector pair is more sensitive to a gravitational-wave background than a non-co-located detector pair. However, co-located detectors are also expected to suffer from correlated noise from instrumental and environmental effects that could contaminate the measurement of the background. Hence, methods to identify and mitigate the effects of correlated noise are necessary to achieve the potential increase in sensitivity of co-located detectors. Here we report on the first SGWB analysis using the two LIGO Hanford detectors and address the complications arising from correlated environmental noise. We apply correlated noise identification and mitigation techniques to data taken by the two LIGO Hanford detectors, H1 and H2, during LIGO's fifth science run. At low frequencies, 40 - 460 Hz, we are unable to sufficiently mitigate the correlated noise to a level where we may confidently measure or bound the stochastic gravitational-wave signal. However, at high frequencies, 460-1000 Hz, these techniques are sufficient to set a $95%$ confidence level (C.L.) upper limit on the gravitational-wave energy density of \Omega(f)<7.7 x 10^{-4} (f/ 900 Hz)^3, which improves on the previous upper limit by a factor of $\sim 180$. In doing so, we demonstrate techniques that will be useful for future searches using advanced detectors, where correlated noise (e.g., from global magnetic fields) may affect even widely separated detectors., Comment: 21 pages, 10 figures, 5 tables

Published
2014
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21. Multimessenger Search for Sources of Gravitational Waves and High-Energy Neutrinos: Results for Initial LIGO-Virgo and IceCube

Author

The IceCube Collaboration, The LIGO Scientific Collaboration, The Virgo Collaboration, Aartsen, M. G., Ackermann, M., Adams, J., Aguilar, J. A., Ahlers, M., Ahrens, M., Altmann, D., Anderson, T., Arguelles, C., Arlen, T. C., Auffenberg, J., Bai, X., Barwick, S. W., Baum, V., Beatty, J. J., Tjus, J. Becker, Becker, K. -H., BenZvi, S., Berghaus, P., Berley, D., Bernardini, E., Bernhard, A., Besson, D. Z., Binder, G., Bindig, D., Bissok, M., Blaufuss, E., Blumenthal, J., Boersma, D. J., Bohm, C., Bos, F., Bose, D., Böser, S., Botner, O., Brayeur, L., Bretz, H. -P., Brown, A. M., Casey, J., Casier, M., Chirkin, D., Christov, A., Christy, B., Clark, K., Classen, L., Clevermann, F., Coenders, S., Cowen, D. F., Silva, A. H. Cruz, Danninger, M., Daughhetee, J., Davis, J. C., Day, M., de André, J. P. A. M., De Clercq, C., De Ridder, S., Desiati, P., de Vries, K. D., de With, M., DeYoung, T., Díaz-Vélez, J. C., Dunkman, M., Eagan, R., Eberhardt, B., Eichmann, B., Eisch, J., Euler, S., Evenson, P. A., Fadiran, O., Fazely, A. R., Fedynitch, A., Feintzeig, J., Felde, J., Feusels, T., Filimonov, K., Finley, C., Fischer-Wasels, T., Flis, S., Franckowiak, A., Frantzen, K., Fuchs, T., Gaisser, T. K., Gallagher, J., Gerhardt, L., Gier, D., Gladstone, L., Glüsenkamp, T., Goldschmidt, A., Golup, G., Gonzalez, J. G., Goodman, J. A., Góra, D., Grandmont, D. T., Grant, D., Gretskov, P., Groh, J. C., Groß, A., Ha, C., Haack, C., Ismail, A. Haj, Hallen, P., Hallgren, A., Halzen, F., Hanson, K., Hebecker, D., Heereman, D., Heinen, D., Helbing, K., Hellauer, R., Hellwig, D., Hickford, S., Hill, G. C., Hoffman, K. D., Hoffmann, R., Homeier, A., Hoshina, K., Huang, F., Huelsnitz, W., Hulth, P. O., Hultqvist, K., Hussain, S., Ishihara, A., Jacobi, E., Jacobsen, J., Jagielski, K., Japaridze, G. S., Jero, K., Jlelati, O., Jurkovic, M., Kaminsky, B., Kappes, A., Karg, T., Karle, A., Kauer, M., Kelley, J. L., Kheirandish, A., Kiryluk, J., Kläs, J., Klein, S. R., Köhne, J. -H., Kohnen, G., Kolanoski, H., Koob, A., Köpke, L., Kopper, C., Kopper, S., Koskinen, D. J., Kowalski, M., Kriesten, A., Krings, K., Kroll, G., Kroll, M., Kunnen, J., Kurahashi, N., Kuwabara, T., Labare, M., Larsen, D. T., Larson, M. J., Lesiak-Bzdak, M., Leuermann, M., Leute, J., Lünemann, J., Macías, O., Madsen, J., Maggi, G., Maruyama, R., Mase, K., Matis, H. S., McNally, F., Meagher, K., Medici, M., Meli, A., Meures, T., Miarecki, S., Middell, E., Middlemas, E., Milke, N., Miller, J., Mohrmann, L., Montaruli, T., Morse, R., Nahnhauer, R., Naumann, U., Niederhausen, H., Nowicki, S. C., Nygren, D. R., Obertacke, A., Odrowski, S., Olivas, A., Omairat, A., O'Murchadha, A., Palczewski, T., Paul, L., Penek, Ö., Pepper, J. A., Heros, C. Pérez de los, Pfendner, C., Pieloth, D., Pinat, E., Posselt, J., Price, P. B., Przybylski, G. T., Pütz, J., Quinnan, M., Rädel, L., Rameez, M., Rawlins, K., Redl, P., Rees, I., Reimann, R., Resconi, E., Rhode, W., Richman, M., Riedel, B., Robertson, S., Rodrigues, J. P., Rongen, M., Rott, C., Ruhe, T., Ruzybayev, B., Ryckbosch, D., Saba, S. M., Sander, H. -G., Sandroos, J., Santander, M., Sarkar, S., Schatto, K., Scheriau, F., Schmidt, T., Schmitz, M., Schoenen, S., Schöneberg, S., Schönwald, A., Schukraft, A., Schulte, L., Schulz, O., Seckel, D., Sestayo, Y., Seunarine, S., Shanidze, R., Sheremata, C., Smith, M. W. E., Soldin, D., Spiczak, G. M., Spiering, C., Stamatikos, M., Stanev, T., Stanisha, N. A., Stasik, A., Stezelberger, T., Stokstad, R. G., Stößl, A., Strahler, E. A., Ström, R., Strotjohann, N. L., Sullivan, G. W., Taavola, H., Taboada, I., Tamburro, A., Tepe, A., Ter-Antonyan, S., Terliuk, A., Tešić, G., Tilav, S., Toale, P. A., Tobin, M. N., Tosi, D., Tselengidou, M., Unger, E., Usner, M., Vallecorsa, S., van Eijndhoven, N., Vandenbroucke, J., van Santen, J., Vehring, M., Voge, M., Vraeghe, M., Walck, C., Wallraff, M., Weaver, Ch., Wellons, M., Wendt, C., Westerhoff, S., Whelan, B. J., Whitehorn, N., Wichary, C., Wiebe, K., Wiebusch, C. H., Williams, D. R., Wissing, H., Wolf, M., Wood, T. R., Woschnagg, K., Xu, D. L., Xu, X. W., Yanez, J. P., Yodh, G., Yoshida, S., Zarzhitsky, P., Ziemann, J., Zierke, S., Collaboration, M. Zoll. The LIGO Scientific, Collaboration, the Virgo, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J. S., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Augustus, H., Aulbert, C., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Baune, C., Bavigadda, V., Behnke, B., Bejger, M., Beker, M. G., Belczynski, C., Bell, A. S., Bell, C., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Biwer, C., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bojtos, P., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Buikema, A., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castaldi, G., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Cho, M., Chow, J. H., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Clayton, J. H., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M. J., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Croce, R. P., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Cutler, C., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., DeBra, D., Debreczeni, G., Degallaix, J., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Dickson, J., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Dolique, V., Dominguez, E., Donovan, F., Dooley, K. L., Doravari, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Ducrot, M., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H. -B., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fan, X., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fazi, D., Fehrmann, H., Fejer, M. M., Feldbaum, D., Feroz, F., Ferrante, I., Ferreira, E. C., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gair, J. R., Gammaitoni, L., Gaonkar, S., Garufi, F., Gehrels, N., Gemme, G., Gendre, B., Genin, E., Gennai, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C. J., Gushwa, K., Gustafson, E. K., Gustafson, R., Ha, J., Hall, E. D., Hamilton, W., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hannam, M. D., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Hofman, D., Holt, K., Hopkins, P., Horrom, T., Hoske, D., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Huerta, E., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Idrisy, A., Ingram, D. R., Inta, R., Islas, G., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., Jang, H., Jaranowski, P., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Karlen, J., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufer, S., Kaur, T., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N. G., Kim, N., Kim, S., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D. B., Kringel, V., Królak, A., Kuehn, G., Kumar, A., Kumar, D. Nanda, Kumar, P., Kumar, R., Kuo, L., Kutynia, A., Lam, P. K., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lazzarini, A., Lazzaro, C., Leaci, P., Leavey, S., Lebigot, E. O., Lee, C. H., Lee, H. K., Lee, H. M., Lee, J., Lee, P. J., Leonardi, M., Leong, J. R., Roux, A. Le, Leroy, N., Letendre, N., Levin, Y., Levine, B., Lewis, J., Li, T. G. F., Libbrecht, K., Libson, A., Lin, A. C., Littenberg, T. B., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lopez, E., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Ma, Y., Macdonald, E. P., MacDonald, T., Machenschalk, B., MacInnis, M., Macleod, D. M., Magaña-Sandoval, F., Magee, R., Mageswaran, M., Maglione, C., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mangini, N. M., Mansell, G., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Meyers, P. M., Mezzani, F., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Minenkov, Y., Mingarelli, C. M. F., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moggi, A., Mohan, M., Mohapatra, S. R. P., Moraru, D., Moreno, G., Morgado, N., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Nardecchia, I., Naticchioni, L., Nayak, R. K., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nielsen, A. B., Nissanke, S., Nitz, A. H., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Oh, J. J., Oh, S. H., Ohme, F., Omar, S., Oppermann, P., Oram, R., O'Reilly, B., Ortega, W., O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palashov, O., Palomba, C., Pan, H., Pan, Y., Pankow, C., Paoletti, F., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Pele, A., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poteomkin, A., Powell, J., Prasad, J., Predoi, V., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Pürrer, M., Qin, J., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Ramirez, K., Rapagnani, P., Raymond, V., Razzano, M., Re, V., Recchia, S., Reed, C. M., Regimbau, T., Reid, S., Reitze, D. H., Reula, O., Rhoades, E., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S. B., Rolland, L., Rollins, J. G., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sankar, S., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Scheuer, J., Schilling, R., Schilman, M., Schmidt, P., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D. A., Shah, S., Shahriar, M. S., Shaltev, M., Shao, Z., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Staley, A., Stebbins, J., Steinke, M., Steinlechner, J., Steinlechner, S., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Stops, D., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Tacca, M., Talukder, D., Tanner, D. B., Tao, J., Tarabrin, S. P., Taylor, R., Tellez, G., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Tonelli, M., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Tshilumba, D., Tuennermann, H., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Usman, S. A., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., van Beuzekom, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyachanin, S. P., Wade, A. R., Wade, L., Wade, M., Walker, M., Wallace, L., Walsh, S., Wang, M., Wang, X., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., White, D. J., Whiting, B. F., Wiesner, K., Wilkinson, C., Williams, K., Williams, L., Williams, R., Williams, T. D., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wiseman, A. G., Wittel, H., Woan, G., Wolovick, N., Worden, J., Wu, Y., Yablon, J., Yakushin, I., Yam, W., Yamamoto, H., Yancey, C. C., Yang, H., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zucker, M. E., Zuraw, S., and Zweizig, J.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

We report the results of a multimessenger search for coincident signals from the LIGO and Virgo gravitational-wave observatories and the partially completed IceCube high-energy neutrino detector, including periods of joint operation between 2007-2010. These include parts of the 2005-2007 run and the 2009-2010 run for LIGO-Virgo, and IceCube's observation periods with 22, 59 and 79 strings. We find no significant coincident events, and use the search results to derive upper limits on the rate of joint sources for a range of source emission parameters. For the optimistic assumption of gravitational-wave emission energy of $10^{-2}$\,M$_\odot$c$^2$ at $\sim 150$\,Hz with $\sim 60$\,ms duration, and high-energy neutrino emission of $10^{51}$\,erg comparable to the isotropic gamma-ray energy of gamma-ray bursts, we limit the source rate below $1.6 \times 10^{-2}$\,Mpc$^{-3}$yr$^{-1}$. We also examine how combining information from gravitational waves and neutrinos will aid discovery in the advanced gravitational-wave detector era.

Published
2014
Full Text
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22. Improved Upper Limits on the Stochastic Gravitational-Wave Background from 2009-2010 LIGO and Virgo Data

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Behnke, B., Bejger, M., Beker, M. G., Belczynski, C., Bell, A. S., Bell, C., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Beyersdorf, P. T., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corpuz, A., Corsi, A., Costa, C. A., Coughlin, M. W., Coughlin, S., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., Debreczeni, G., Degallaix, J., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Donath, A., Donovan, F., Dooley, K. L., Doravari, S., Dossa, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Feroz, F., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Gaonkar, S., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K., Gustafson, E. K., Gustafson, R., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Hooper, S., Hopkins, P., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Huerta, E., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jaranowski, P., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Karlen, J., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N., Kim, N. G., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D. B., Kremin, A., Kringel, V., Królak, A., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kuo, L., Kutynia, A., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Lazzaro, C., Leaci, P., Leavey, S., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Roux, A. Le, Leroy, N., Letendre, N., Levin, Y., Levine, B., Lewis, J., Li, T. G. F., Libbrecht, K., Libson, A., Lin, A. C., Littenberg, T. B., Litvine, V., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Lubinski, M. J., Lück, H., Luijten, E., Lundgren, A. P., Lynch, R., Ma, Y., Macarthur, J., Macdonald, E. P., MacDonald, T., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Maglione, C., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mangini, N., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyers, P., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Milde, S., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moesta, P., Mohan, M., Mohapatra, S. R. P., Moraru, D., Moreno, G., Morgado, N., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Naticchioni, L., Nayak, R. K., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palashov, O., Palomba, C., Pan, H., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poteomkin, A., Powell, J., Prasad, J., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Qin, J., Quetschke, V., Quintero, E., Quiroga, G., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Ramirez, K., Rapagnani, P., Raymond, V., Re, V., Read, J., Reed, C. M., Regimbau, T., Reid, S., Reitze, D. H., Rhoades, E., Ricci, F., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Rodruck, M., Rolland, L., Rollins, J. G., Romano, J. D., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Scheuer, J., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Stebbins, J., Steinlechner, J., Steinlechner, S., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Stops, D., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Tacca, M., Talukder, D., Tanner, D. B., Tarabrin, S. P., Taylor, R., ter Braack, A. P. M., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Urbanek, K., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S. S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Walker, M., Wallace, L., Wang, M., Wang, X., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., White, D. J., Whiting, B. F., Wiesner, K., Wilkinson, C., Williams, K., Williams, L., Williams, R., Williams, T., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wiseman, A. G., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yang, Z., Yoshida, S., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhao, C., Zhu, X. J., Zucker, M. E., Zuraw, S., and Zweizig, J.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract

Gravitational waves from a variety of sources are predicted to superpose to create a stochastic background. This background is expected to contain unique information from throughout the history of the universe that is unavailable through standard electromagnetic observations, making its study of fundamental importance to understanding the evolution of the universe. We carry out a search for the stochastic background with the latest data from LIGO and Virgo. Consistent with predictions from most stochastic gravitational-wave background models, the data display no evidence of a stochastic gravitational-wave signal. Assuming a gravitational-wave spectrum of Omega_GW(f)=Omega_alpha*(f/f_ref)^alpha, we place 95% confidence level upper limits on the energy density of the background in each of four frequency bands spanning 41.5-1726 Hz. In the frequency band of 41.5-169.25 Hz for a spectral index of alpha=0, we constrain the energy density of the stochastic background to be Omega_GW(f)<5.6x10^-6. For the 600-1000 Hz band, Omega_GW(f)<0.14*(f/900 Hz)^3, a factor of 2.5 lower than the best previously reported upper limits. We find Omega_GW(f)<1.8x10^-4 using a spectral index of zero for 170-600 Hz and Omega_GW(f)<1.0*(f/1300 Hz)^3 for 1000-1726 Hz, bands in which no previous direct limits have been placed. The limits in these four bands are the lowest direct measurements to date on the stochastic background. We discuss the implications of these results in light of the recent claim by the BICEP2 experiment of the possible evidence for inflationary gravitational waves., Comment: 11 pages, 2 figures, 1 table

Published
2014
Full Text
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23. First all-sky search for continuous gravitational waves from unknown sources in binary systems

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Behnke, B., Bejger, M., Beker, M. G., Belczynski, C., Bell, A. S., Bell, C., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Beyersdorf, P. T., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corpuz, A., Corsi, A., Costa, C. A., Coughlin, M. W., Coughlin, S., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Creighton, T. D., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., Debreczeni, G., Degallaix, J., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Donath, A., Donovan, F., Dooley, K. L., Doravari, S., Dossa, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Feroz, F., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Gaonkar, S., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K., Gustafson, E. K., Gustafson, R., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Hooper, S., Hopkins, P., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Huerta, E., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jaranowski, P., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Karlen, J., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N., Kim, N. G., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D. B., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kuo, L., Kutynia, A., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Lazzaro, C., Leaci, P., Leavey, S., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. 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Subjects
General Relativity and Quantum Cosmology, Astrophysics - High Energy Astrophysical Phenomena
Abstract

We present the first results of an all-sky search for continuous gravitational waves from unknown spinning neutron stars in binary systems using LIGO and Virgo data. Using a specially developed analysis program, the TwoSpect algorithm, the search was carried out on data from the sixth LIGO Science Run and the second and third Virgo Science Runs. The search covers a range of frequencies from 20 Hz to 520 Hz, a range of orbital periods from 2 to ~2,254 h and a frequency- and period-dependent range of frequency modulation depths from 0.277 to 100 mHz. This corresponds to a range of projected semi-major axes of the orbit from ~0.6e-3 ls to ~6,500 ls assuming the orbit of the binary is circular. While no plausible candidate gravitational wave events survive the pipeline, upper limits are set on the analyzed data. The most sensitive 95% confidence upper limit obtained on gravitational wave strain is 2.3e-24 at 217 Hz, assuming the source waves are circularly polarized. Although this search has been optimized for circular binary orbits, the upper limits obtained remain valid for orbital eccentricities as large as 0.9. In addition, upper limits are placed on continuous gravitational wave emission from the low-mass x-ray binary Scorpius X-1 between 20 Hz and 57.25 Hz., Comment: 16 pages, 6 figures

Published
2014
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24. Methods and results of a search for gravitational waves associated with gamma-ray bursts using the GEO600, LIGO, and Virgo detectors

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J. S., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Augustus, H., Aulbert, C., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Baune, C., Bavigadda, V., Behnke, B., Bejger, M., Beker, M. G., Belczynski, C., Bell, A. S., Bell, C., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Biwer, C., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Buikema, A., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castaldi, G., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. 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M., Mansell, G., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Meyers, P. M., Mezzani, F., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moggi, A., Mohan, M., Mohapatra, S. R. P., Moraru, D., Moreno, G., Morgado, N., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Nardecchia, I., Naticchioni, L., Nayak, R. K., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nielsen, A. B., Nissanke, S., Nitz, A. H., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Oh, J. J., Oh, S. H., Ohme, F., Omar, S., Oppermann, P., Oram, R., O'Reilly, B., Ortega, W., O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palashov, O., Palomba, C., Pan, H., Pan, Y., Pankow, C., Paoletti, F., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Pele, A., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poteomkin, A., Powell, J., Prasad, J., Predoi, V., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Pürrer, M., Qin, J., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Ramirez, K., Rapagnani, P., Raymond, V., Razzano, M., Re, V., Recchia, S., Reed, C. M., Regimbau, T., Reid, S., Reitze, D. H., Reula, O., Rhoades, E., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S. B., Rolland, L., Rollins, J. G., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sankar, S., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Scheuer, J., Schilling, R., Schilman, M., Schmidt, P., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D. A., Shah, S., Shahriar, M. S., Shaltev, M., Shao, Z., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Staley, A., Stebbins, J., Steinke, M., Steinlechner, J., Steinlechner, S., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Stops, D., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Tacca, M., Talukder, D., Tanner, D. B., Tao, J., Tarabrin, S. P., Taylor, R., Tellez, G., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Tonelli, M., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Tshilumba, D., Tuennermann, H., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Usman, S. A., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., van Beuzekom, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyachanin, S. P., Wade, A. R., Wade, L., Wade, M., Walker, M., Wallace, L., Walsh, S., Wang, M., Wang, X., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., White, D. J., Whiting, B. F., Wiesner, K., Wilkinson, C., Williams, K., Williams, L., Williams, R., Williams, T. D., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wiseman, A. G., Wittel, H., Woan, G., Wolovick, N., Worden, J., Wu, Y., Yablon, J., Yakushin, I., Yam, W., Yamamoto, H., Yancey, C. C., Yang, H., Yoshida, S., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zucker, M. E., Zuraw, S., Zweizig, J., Cain, J., Fotopoulos, N., Gill, C., Jones, G., Patel, P., Rogstad, S., and Trias, M.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, General Relativity and Quantum Cosmology
Abstract

In this paper we report on a search for short-duration gravitational wave bursts in the frequency range 64 Hz-1792 Hz associated with gamma-ray bursts (GRBs), using data from GEO600 and one of the LIGO or Virgo detectors. We introduce the method of a linear search grid to analyse GRB events with large sky localisation uncertainties such as the localisations provided by the Fermi Gamma-ray Burst Monitor (GBM). Coherent searches for gravitational waves (GWs) can be computationally intensive when the GRB sky position is not well-localised, due to the corrections required for the difference in arrival time between detectors. Using a linear search grid we are able to reduce the computational cost of the analysis by a factor of O(10) for GBM events. Furthermore, we demonstrate that our analysis pipeline can improve upon the sky localisation of GRBs detected by the GBM, if a high-frequency GW signal is observed in coincidence. We use the linear search grid method in a search for GWs associated with 129 GRBs observed satellite-based gamma-ray experiments between 2006 and 2011. The GRBs in our sample had not been previously analysed for GW counterparts. A fraction of our GRB events are analysed using data from GEO600 while the detector was using squeezed-light states to improve its sensitivity; this is the first search for GWs using data from a squeezed-light interferometric observatory. We find no evidence for GW signals, either with any individual GRB in this sample or with the population as a whole. For each GRB we place lower bounds on the distance to the progenitor, assuming a fixed GW emission energy of $10^{-2} M_{\odot}c^{2}$, with a median exclusion distance of 0.8 Mpc for emission at 500 Hz and 0.3 Mpc at 1 kHz. The reduced computational cost associated with a linear search grid will enable rapid searches for GWs associated with Fermi GBM events in the Advanced detector era., Comment: 18 pages, 6 figures, 1 table. For a science summary, see http://www.ligo.org/science/Publication-GEOGRB/ . For the public data release of GW search results for each GRB in the paper, see https://dcc.ligo.org/LIGO-P1300086/public

Published
2014
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25. Search for gravitational radiation from intermediate mass black hole binaries in data from the second LIGO-Virgo joint science run

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Bavigadda, V., Behnke, B., Bejger, M., Beker, M. G., Belczynski, C., Bell, A. S., Bell, C., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Beyersdorf, P. T., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corpuz, A., Corsi, A., Costa, C. A., Coughlin, M. W., Coughlin, S., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., Debreczeni, G., Degallaix, J., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Donath, A., Donovan, F., Dooley, K. L., Doravari, S., Dossa, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Ducrot, M., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Feroz, F., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Gaonkar, S., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K., Gustafson, E. K., Gustafson, R., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Hooper, S., Hopkins, P., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Huerta, E., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jaranowski, P., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., Haris, K, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Karlen, J., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N. G., Kim, N., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D. B., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kuo, L., Kutynia, A., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Lazzaro, C., Leaci, P., Leavey, S., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Roux, A. Le, Leroy, N., Letendre, N., Levin, Y., Levine, B., Lewis, J., Li, T. G. F., Libbrecht, K., Libson, A., Lin, A. C., Littenberg, T. B., Litvine, V., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Lubinski, M. J., Lück, H., Luijten, E., Lundgren, A. P., Lynch, R., Ma, Y., Macarthur, J., Macdonald, E. P., MacDonald, T., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Maglione, C., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mangini, N., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyers, P., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Milde, S., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moesta, P., Moggi, A., Mohan, M., Mohapatra, S. R. P., Moraru, D., Moreno, G., Morgado, N., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Naticchioni, L., Nayak, R. K., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palashov, O., Palomba, C., Pan, H., Pan, Y., Pankow, C., Paoletti, F., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poteomkin, A., Powell, J., Prasad, J., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Qin, J., Quetschke, V., Quintero, E., Quiroga, G., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Ramirez, K., Rapagnani, P., Raymond, V., Re, V., Read, J., Reed, C. M., Regimbau, T., Reid, S., Reitze, D. H., Rhoades, E., Ricci, F., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Rodruck, M., Rolland, L., Rollins, J. G., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Scheuer, J., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Staley, A., Stebbins, J., Steinlechner, J., Steinlechner, S., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Stops, D., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Tacca, M., Talukder, D., Tanner, D. B., Tarabrin, S. P., Taylor, R., ter Braack, A. P. M., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Tonelli, M., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Urbanek, K., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., van Beuzekom, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S. S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Walker, M., Wallace, L., Wang, M., Wang, X., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., White, D. J., Whiting, B. F., Wiesner, K., Wilkinson, C., Williams, K., Williams, L., Williams, R., Williams, T., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wiseman, A. G., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yang, Z., Yoshida, S., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhao, C., Zhu, X. J., Zucker, M. E., Zuraw, S., and Zweizig, J.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - High Energy Astrophysical Phenomena
Abstract

This paper reports on an unmodeled, all-sky search for gravitational waves from merging intermediate mass black hole binaries (IMBHB). The search was performed on data from the second joint science run of the LIGO and Virgo detectors (July 2009 - October 2010) and was sensitive to IMBHBs with a range up to $\sim 200$ Mpc, averaged over the possible sky positions and inclinations of the binaries with respect to the line of sight. No significant candidate was found. Upper limits on the coalescence-rate density of nonspinning IMBHBs with total masses between 100 and $450 \ \mbox{M}_{\odot}$ and mass ratios between $0.25$ and $1\,$ were placed by combining this analysis with an analogous search performed on data from the first LIGO-Virgo joint science run (November 2005 - October 2007). The most stringent limit was set for systems consisting of two $88 \ \mbox{M}_{\odot}$ black holes and is equal to $0.12 \ \mbox{Mpc}^{-3} \ \mbox{Myr}^{-1}$ at the $90\%$ confidence level. This paper also presents the first estimate, for the case of an unmodeled analysis, of the impact on the search range of IMBHB spin configurations: the visible volume for IMBHBs with nonspinning components is roughly doubled for a population of IMBHBs with spins aligned with the binary's orbital angular momentum and uniformly distributed in the dimensionless spin parameter up to 0.8, whereas an analogous population with antialigned spins decreases the visible volume by $\sim 20\%\,$., Comment: 15 pages, 10 figures, data for plots and archived public version at https://dcc.ligo.org/LIGO-P1300158/public, see also the public announcement at http://www.ligo.org/science/Publication-S6IMBH/index.php, updated bibliography

Published
2014
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26. Search for gravitational waves associated with gamma-ray bursts detected by the InterPlanetary Network

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J. S., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Augustus, H., Aulbert, C., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Baune, C., Bavigadda, V., Behnke, B., Bejger, M., Beker, M. G., Belczynski, C., Bell, A. S., Bell, C., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Biwer, C., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Buikema, A., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castaldi, G., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Cho, M., Chow, J. H., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Clayton, J. H., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M. J., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Croce, R. P., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Cutler, C., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., DeBra, D., Debreczeni, G., Degallaix, J., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Dickson, J., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Dolique, V., Dominguez, E., Donovan, F., Dooley, K. L., Doravari, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Ducrot, M., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H. -B., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fan, X., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fazi, D., Fehrmann, H., Fejer, M. M., Feldbaum, D., Feroz, F., Ferrante, I., Ferreira, E. C., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gair, J. R., Gammaitoni, L., Gaonkar, S., Garufi, F., Gehrels, N., Gemme, G., Gendre, B., Genin, E., Gennai, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C. J., Gushwa, K., Gustafson, E. K., Gustafson, R., Ha, J., Hall, E. D., Hamilton, W., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hannam, M. D., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Hofman, D., Holt, K., Hopkins, P., Horrom, T., Hoske, D., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Huerta, E., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Idrisy, A., Ingram, D. R., Inta, R., Islas, G., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., Jang, H., Jaranowski, P., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Karlen, J., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufer, S., Kaur, T., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N. G., Kim, N., Kim, S., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D. B., Kringel, V., Krishnan, B., Królak, A., Kuehn, G., Kumar, A., Kumar, D. Nanda, Kumar, P., Kumar, R., Kuo, L., Kutynia, A., Lam, P. K., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lazzarini, A., Lazzaro, C., Leaci, P., Leavey, S., Lebigot, E. O., Lee, C. H., Lee, H. K., Lee, H. M., Lee, J., Lee, P. J., Leonardi, M., Leong, J. R., Roux, A. Le, Leroy, N., Letendre, N., Levin, Y., Levine, B., Lewis, J., Li, T. G. F., Libbrecht, K., Libson, A., Lin, A. C., Littenberg, T. B., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lopez, E., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Ma, Y., Macdonald, E. P., MacDonald, T., Machenschalk, B., MacInnis, M., Macleod, D. M., Magaña-Sandoval, F., Magee, R., Mageswaran, M., Maglione, C., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mangini, N. M., Mansell, G., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Meyers, P. M., Mezzani, F., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moggi, A., Mohan, M., Mohapatra, S. R. P., Moraru, D., Moreno, G., Morgado, N., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Nardecchia, I., Naticchioni, L., Nayak, R. K., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nielsen, A. B., Nissanke, S., Nitz, A. H., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Oh, J. J., Oh, S. H., Ohme, F., Omar, S., Oppermann, P., Oram, R., O'Reilly, B., Ortega, W., O'Shaughnessy, R., Osthelder, C., Ott, C. D., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palashov, O., Palomba, C., Pan, H., Pan, Y., Pankow, C., Paoletti, F., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Pele, A., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poteomkin, A., Powell, J., Prasad, J., Predoi, V., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prix, R., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Pürrer, M., Qin, J., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Ramirez, K., Rapagnani, P., Raymond, V., Razzano, M., Re, V., Recchia, S., Reed, C. M., Regimbau, T., Reid, S., Reitze, D. H., Reula, O., Rhoades, E., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S. B., Rolland, L., Rollins, J. G., Romano, J. D., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sankar, S., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Scheuer, J., Schilling, R., Schilman, M., Schmidt, P., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D. A., Shah, S., Shahriar, M. S., Shaltev, M., Shao, Z., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Staley, A., Stebbins, J., Steinke, M., Steinlechner, J., Steinlechner, S., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Stops, D., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Tacca, M., Talukder, D., Tanner, D. B., Tao, J., Tarabrin, S. P., Taylor, R., Tellez, G., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Tonelli, M., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Tshilumba, D., Tuennermann, H., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Usman, S. A., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., van Beuzekom, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyachanin, S. P., Wade, A. R., Wade, L., Wade, M., Walker, M., Wallace, L., Walsh, S., Wang, M., Wang, X., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., Whitcomb, S. E., White, D. J., Whiting, B. F., Wiesner, K., Wilkinson, C., Williams, K., Williams, L., Williams, R., Williams, T. D., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wiseman, A. G., Wittel, H., Woan, G., Wolovick, N., Worden, J., Wu, Y., Yablon, J., Yakushin, I., Yam, W., Yamamoto, H., Yancey, C. C., Yang, H., Yoshida, S., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zucker, M. E., Zuraw, S., Zweizig, J., Aptekar, R. L., Atteia, J. L., Cline, T., Connaughton, V., Frederiks, D. D., Golenetskii, S. V., Hurley, K., Krimm, H. A., Marisaldi, M., Pal'shin, V. D., Palmer, D., Svinkin, D. S., Terada, Y., and von Kienlin, A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, General Relativity and Quantum Cosmology
Abstract

We present the results of a search for gravitational waves associated with 223 gamma-ray bursts (GRBs) detected by the InterPlanetary Network (IPN) in 2005-2010 during LIGO's fifth and sixth science runs and Virgo's first, second and third science runs. The IPN satellites provide accurate times of the bursts and sky localizations that vary significantly from degree scale to hundreds of square degrees. We search for both a well-modeled binary coalescence signal, the favored progenitor model for short GRBs, and for generic, unmodeled gravitational wave bursts. Both searches use the event time and sky localization to improve the gravitational-wave search sensitivity as compared to corresponding all-time, all-sky searches. We find no evidence of a gravitational-wave signal associated with any of the IPN GRBs in the sample, nor do we find evidence for a population of weak gravitational-wave signals associated with the GRBs. For all IPN-detected GRBs, for which a sufficient duration of quality gravitational-wave data is available, we place lower bounds on the distance to the source in accordance with an optimistic assumption of gravitational-wave emission energy of $10^{-2}M_{\odot}c^2$ at 150 Hz, and find a median of 13 Mpc. For the 27 short-hard GRBs we place 90% confidence exclusion distances to two source models: a binary neutron star coalescence, with a median distance of 12Mpc, or the coalescence of a neutron star and black hole, with a median distance of 22 Mpc. Finally, we combine this search with previously published results to provide a population statement for GRB searches in first-generation LIGO and Virgo gravitational-wave detectors, and a resulting examination of prospects for the advanced gravitational-wave detectors., Comment: 15 pages, 8 figures, 2 tables; for the science summary, see http://www.ligo.org/science/Publication-IPNS56VSR123grb/index.php

Published
2014
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27. Search for gravitational wave ringdowns from perturbed intermediate mass black holes in LIGO-Virgo data from 2005-2010

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Bavigadda, V., Behnke, B., Bejger, M., Beker, M . G., Belczynski, C., Bell, A. S., Bell, C., Benacquista, M., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Beyersdorf, P. T., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corpuz, A., Corsi, A., Costa, C. A., Coughlin, M. W., Coughlin, S., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., Debreczeni, G., Degallaix, J., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Dolique, V., Donath, A., Donovan, F., Dooley, K. L., Doravari, S., Dossa, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Ducrot, M., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Feroz, F., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Gaonkar, S., Garufi, F., Gehrels, N., Gemme, G., Gendre, B., Genin, E., Gennai, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gill, C., Gleason, J., Goetz, E., Goetz, R., Goggin, L. M., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K., Gustafson, E. K., Gustafson, R., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Hooper, S., Hopkins, P., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. 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H., Ohme, F., Oppermann, P., O'Reilly, B., O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palashov, O., Palomba, C., Pan, H., Pan, Y., Pankow, C., Paoletti, F., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poteomkin, A., Powell, J., Prasad, J., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Qin, J., Quetschke, V., Quintero, E., Quiroga, G., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Ramirez, K., Rapagnani, P., Raymond, V., Razzano, M., Re, V., Read, J., Recchia, S., Reed, C. M., Regimbau, T., Reid, S., Reitze, D. 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Subjects
General Relativity and Quantum Cosmology
Abstract

We report results from a search for gravitational waves produced by perturbed intermediate mass black holes (IMBH) in data collected by LIGO and Virgo between 2005 and 2010. The search was sensitive to astrophysical sources that produced damped sinusoid gravitational wave signals, also known as ringdowns, with frequency $50\le f_{0}/\mathrm{Hz} \le 2000$ and decay timescale $0.0001\lesssim \tau/\mathrm{s} \lesssim 0.1$ characteristic of those produced in mergers of IMBH pairs. No significant gravitational wave candidate was detected. We report upper limits on the astrophysical coalescence rates of IMBHs with total binary mass $50 \le M/\mathrm{M}_\odot \le 450$ and component mass ratios of either 1:1 or 4:1. For systems with total mass $100 \le M/\mathrm{M}_\odot \le 150$, we report a 90%-confidence upper limit on the rate of binary IMBH mergers with non-spinning and equal mass components of $6.9\times10^{-8}\,$Mpc$^{-3}$yr$^{-1}$. We also report a rate upper limit for ringdown waveforms from perturbed IMBHs, radiating 1% of their mass as gravitational waves in the fundamental, $\ell=m=2$, oscillation mode, that is nearly three orders of magnitude more stringent than previous results., Comment: for the science summary, see http://www.ligo.org/science/Publication-S5S6RD/index.php

Published
2014
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28. Implementation of an F-statistic all-sky search for continuous gravitational waves in Virgo VSR1 data

Author

Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Behnke, B., Bejger, M., Beker, M. G., Belczynski, C., Bell, A. S., Bell, C., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Beyersdorf, P. T., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Borkowski, K., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corpuz, A., Corsi, A., Costa, C. A., Coughlin, M. W., Coughlin, S., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., Debreczeni, G., Degallaix, J., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Donath, A., Donovan, F., Dooley, K. L., Doravari, S., Dorosh, O., Dossa, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Feroz, F., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Gaonkar, S., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K., Gustafson, E. K., Gustafson, R., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Hooper, S., Hopkins, P., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Huerta, E., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jaranowski, P., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Karlen, J., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N., Kim, N. G., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D. B., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kuo, L., Kutynia, A., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Lazzaro, C., Leaci, P., Leavey, S., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Roux, A. Le, Leroy, N., Letendre, N., Levin, Y., Levine, B., Lewis, J., Li, T. G. F., Libbrecht, K., Libson, A., Lin, A. C., Littenberg, T. B., Litvine, V., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Lubinski, M. J., Lück, H., Luijten, E., Lundgren, A. P., Lynch, R., Ma, Y., Macarthur, J., Macdonald, E. P., MacDonald, T., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Maglione, C., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mangini, N., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyers, P., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Milde, S., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moesta, P., Mohan, M., Mohapatra, S. R. P., Moraru, D., Moreno, G., Morgado, N., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Naticchioni, L., Nayak, R. K., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palashov, O., Palomba, C., Pan, H., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pietka, M., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poteomkin, A., Powell, J., Prasad, J., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Qin, J., Quetschke, V., Quintero, E., Quiroga, G., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Ramirez, K., Rapagnani, P., Raymond, V., Re, V., Read, J., Reed, C. M., Regimbau, T., Reid, S., Reitze, D. H., Rhoades, E., Ricci, F., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Rodruck, M., Rolland, L., Rollins, J. G., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Scheuer, J., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Stebbins, J., Steinlechner, J., Steinlechner, S., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Stops, D., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Tacca, M., Talukder, D., Tanner, D. B., Tarabrin, S. P., Taylor, R., ter Braack, A. P. M., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Urbanek, K., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S. S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Walker, M., Wallace, L., Wang, M., Wang, X., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., White, D. J., Whiting, B. F., Wiesner, K., Wilkinson, C., Williams, K., Williams, L., Williams, R., Williams, T., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wiseman, A. G., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yang, Z., Yoshida, S., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhao, C., Zhu, X. J., Zucker, M. E., Zuraw, S., and Zweizig, J.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

We present an implementation of the $\mathcal{F}$-statistic to carry out the first search in data from the Virgo laser interferometric gravitational wave detector for periodic gravitational waves from a priori unknown, isolated rotating neutron stars. We searched a frequency $f_0$ range from 100 Hz to 1 kHz and the frequency dependent spindown $f_1$ range from $-1.6\,(f_0/100\,{\rm Hz}) \times 10^{-9}\,$ Hz/s to zero. A large part of this frequency - spindown space was unexplored by any of the all-sky searches published so far. Our method consisted of a coherent search over two-day periods using the $\mathcal{F}$-statistic, followed by a search for coincidences among the candidates from the two-day segments. We have introduced a number of novel techniques and algorithms that allow the use of the Fast Fourier Transform (FFT) algorithm in the coherent part of the search resulting in a fifty-fold speed-up in computation of the $\mathcal{F}$-statistic with respect to the algorithm used in the other pipelines. No significant gravitational wave signal was found. The sensitivity of the search was estimated by injecting signals into the data. In the most sensitive parts of the detector band more than 90% of signals would have been detected with dimensionless gravitational-wave amplitude greater than $5 \times 10^{-24}$., Comment: 27 pages, 10 figures, submitted to CQG, corrected affiliations and autors list; Science summary of results available at http://www.ligo.org/science/Publication-VSR1CWAllSkyFstat/index.php

Published
2014
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29. The NINJA-2 project: Detecting and characterizing gravitational waveforms modelled using numerical binary black hole simulations

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Collaboration, the NINJA-2, Aasi, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ain, A., Ajith, P., Alemic, A., Allen, B., Allocca, A., Amariutei, D., Andersen, M., Anderson, R., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barbet, M., Barish, B. C., Barker, D., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J. C., Bauchrowitz, J., Bauer, Th. S., Behnke, B., Bejger, M., Beker, M. G., Belczynski, C., Bell, A. S., Bell, C., Bergmann, G., Bersanetti, D., Bertolini, A., Betzwieser, J., Beyersdorf, P. T., Bilenko, I. A., Billingsley, G., Birch, J., Biscans, S., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Bloemen, S., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogaert, G., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, Sukanta, Bosi, L., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brau, J. E., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Buchman, S., Bulik, T., Bulten, H. J., Buonanno, A., Burman, R., Buskulic, D., Buy, C., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Celerier, C., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chamberlin, S. J., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Collette, C., Colombini, M., Cominsky, L., Constancio Jr., M., Conte, A., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corpuz, A., Corsi, A., Costa, C. A., Coughlin, M. W., Coughlin, S., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Coyne, R., Craig, K., Creighton, J. D. E., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., Debreczeni, G., Degallaix, J., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., De Rosa, R., DeRosa, R. T., DeSalvo, R., Dhurandhar, S., Díaz, M., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Donath, A., Donovan, F., Dooley, K. L., Doravari, S., Dossa, S., Douglas, R., Downes, T. P., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dwyer, S., Eberle, T., Edo, T., Edwards, M., Effler, A., Eggenstein, H., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W. M., Favata, M., Fehrmann, H., Fejer, M. M., Feldbaum, D., Feroz, F., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R. P., Flaminio, R., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Gaonkar, S., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Ghosh, S., Giaime, J. A., Giardina, K. D., Giazotto, A., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Gräf, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K., Gustafson, E. K., Gustafson, R., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hart, M., Hartman, M. T., Haster, C. -J., Haughian, K., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hewitson, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Hooper, S., Hopkins, P., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jaranowski, P., Ji, Y., Jiménez-Forteza, F., Johnson, W. W., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Karlen, J., Kasprzack, M., Katsavounidis, E., Katzman, W., Kaufer, H., Kawabe, K., Kawazoe, F., Kéfélian, F., Keiser, G. M., Keitel, D., Kelley, D. B., Kells, W., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, C., Kim, K., Kim, N., Kim, N. G., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D. B., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kuo, L., Kutynia, A., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Lazzaro, C., Leaci, P., Leavey, S., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Roux, A. Le, Leroy, N., Letendre, N., Levin, Y., Levine, B., Lewis, J., Li, T. G. F., Libbrecht, K., Libson, A., Lin, A. C., Littenberg, T. B., Litvine, V., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Lubinski, M. J., Lück, H., Luijten, E., Lundgren, A. P., Lynch, R., Ma, Y., Macarthur, J., Macdonald, E. P., MacDonald, T., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Maglione, C., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mangini, N., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., McLin, K., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meinders, M., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyers, P., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Milde, S., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mishra, C., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Moesta, P., Mohan, M., Mohapatra, S. R. P., Moraru, D., Moreno, G., Morgado, N., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Naticchioni, L., Nayak, R. K., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E. N., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palashov, O., Palomba, C., Pan, H., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poteomkin, A., Powell, J., Prasad, J., Premachandra, S., Prestegard, T., Price, L. R., Prijatelj, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Qin, J., Quetschke, V., Quintero, E., Quiroga, G., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Ramirez, K., Rapagnani, P., Raymond, V., Re, V., Read, J., Reed, C. M., Regimbau, T., Reid, S., Reitze, D. H., Rhoades, E., Ricci, F., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Rodruck, M., Rolland, L., Rollins, J. G., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J. R., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Scheuer, J., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schutz, B. F., Scott, J., Scott, S. M., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Singh, R., Sintes, A. M., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M., Smith, R. J. E., Smith-Lefebvre, N. D., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Stebbins, J., Steinlechner, J., Steinlechner, S., Stephens, B. C., Steplewski, S., Stevenson, S., Stone, R., Stops, D., Strain, K. A., Straniero, N., Strigin, S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Tacca, M., Talukder, D., Tanner, D. B., Tarabrin, S. P., Taylor, R., ter Braack, A. P. M., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Urban, A. L., Urbanek, K., Vahlbruch, H., Vajente, G., Valdes, G., Vallisneri, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S. S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Walker, M., Wallace, L., Wang, M., Wang, X., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., Whitcomb, S. E., White, D. J., Whiting, B. F., Wiesner, K., Wilkinson, C., Williams, K., Williams, L., Williams, R., Williams, T., Williamson, A. R., Willis, J. L., Willke, B., Wimmer, M., Winkler, W., Wipf, C. C., Wiseman, A. G., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yang, Z., Yoshida, S., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, Fan, Zhang, L., Zhao, C., Zhu, X. J., Zucker, M. E., Zuraw, S., Zweizig, J., Boyle, M., Brügmann, B., Buchman, L. T., Campanelli, M., Chu, T., Etienne, Z. B., Hannam, M., Healy, J., Hinder, I., Kidder, L. E., Laguna, P., Liu, Y. T., London, L., Lousto, C. O., Lovelace, G., MacDonald, I., Marronetti, P., Mösta, P., Müller, D., Mundim, B. C., Nakano, H., Paschalidis, V., Pekowsky, L., Pollney, D., Pfeiffer, H. P., Ponce, M., Pürrer, M., Reifenberger, G., Reisswig, C., Santamaría, L., Scheel, M. A., Shapiro, S. L., Shoemaker, D., Sopuerta, C. F., Sperhake, U., Szilágyi, B., Taylor, N. W., Tichy, W., Tsatsin, P., and Zlochower, Y.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

The Numerical INJection Analysis (NINJA) project is a collaborative effort between members of the numerical relativity and gravitational-wave astrophysics communities. The purpose of NINJA is to study the ability to detect gravitational waves emitted from merging binary black holes and recover their parameters with next-generation gravitational-wave observatories. We report here on the results of the second NINJA project, NINJA-2, which employs 60 complete binary black hole hybrid waveforms consisting of a numerical portion modelling the late inspiral, merger, and ringdown stitched to a post-Newtonian portion modelling the early inspiral. In a "blind injection challenge" similar to that conducted in recent LIGO and Virgo science runs, we added 7 hybrid waveforms to two months of data recolored to predictions of Advanced LIGO and Advanced Virgo sensitivity curves during their first observing runs. The resulting data was analyzed by gravitational-wave detection algorithms and 6 of the waveforms were recovered with false alarm rates smaller than 1 in a thousand years. Parameter estimation algorithms were run on each of these waveforms to explore the ability to constrain the masses, component angular momenta and sky position of these waveforms. We also perform a large-scale monte-carlo study to assess the ability to recover each of the 60 hybrid waveforms with early Advanced LIGO and Advanced Virgo sensitivity curves. Our results predict that early Advanced LIGO and Advanced Virgo will have a volume-weighted average sensitive distance of 300Mpc (1Gpc) for $10M_{\odot}+10M_{\odot}$ ($50M_{\odot}+50M_{\odot}$) binary black hole coalescences. We demonstrate that neglecting the component angular momenta in the waveform models used in matched-filtering will result in a reduction in sensitivity for systems with large component angular momenta. [Abstract abridged for ArXiv, full version in PDF], Comment: 52 pages, 11 figures, 7 tables

Published
2014
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30. Application of a Hough search for continuous gravitational waves on data from the 5th LIGO science run

Author

The LIGO Scientific Collaboration, The Virgo Collaboration, Aasi, J., Abadie, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Adams, C., Adams, T., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Allen, B., Allocca, A., Ceron, E. Amador, Amariutei, D., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barker, D., Barnum, S. H., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J., Bauchrowitz, J., Bauer, Th. S., Bebronne, M., Behnke, B., Bejger, M., Beker, M. G., Bell, A. S., Bell, C., Belopolski, I., Bergmann, G., Berliner, J. M., Bersanetti, D., Bertolini, A., Bessis, D., Betzwieser, J., Beyersdorf, P. T., Bhadbhade, T., Bilenko, I. A., Billingsley, G., Birch, J., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, S., Bosi, L., Bowers, J., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brannen, C. A., Brau, J. E., Breyer, J., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Britzger, M., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglia, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Colombini, M., Constancio Jr., M., Conte, A., Conte, R., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Craig, K., Creighton, J. D. E., Creighton, T. D., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daudert, B., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., Debreczeni, G., Degallaix, J., Deleeuw, E., Deléglise, S., Del Pozzo, W., Denker, T., Dent, T., Dereli, H., Dergachev, V., DeRosa, R. T., De Rosa, R., DeSalvo, R., Dhurandhar, S., Díaz, M., Dietz, A., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Dmitry, K., Donovan, F., Dooley, K. L., Doravari, S., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dumas, J. C., Dwyer, S., Eberle, T., Edwards, M., Effler, A., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endroczi, G., Essick, R., Etzel, T., Evans, K., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W., Favata, M., Fazi, D., Fehrmann, H., Feldbaum, D., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R., Flaminio, R., Foley, E., Foley, S., Forsi, E., Fotopoulos, N., Fournier, J. D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fujimoto, M. -K., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Garcia, J., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Gergely, L., Ghosh, S., Giaime, J. A., Giampanis, S., Giardina, K. D., Giazotto, A., Gil-Casanova, S., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Gossler, S., Gouaty, R., Graef, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Griffo, C., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K. E., Gustafson, E. K., Gustafson, R., Hall, B., Hall, E., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hartman, M. T., Haughian, K., Hayama, K., Heefner, J., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Hong, T., Hooper, S., Horrom, T., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hua, Z., Huang, V., Huerta, E. A., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Iafrate, J., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jang, Y. J., Jaranowski, P., Jiménez-Forteza, F., Johnson, W. W., Jones, D., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Kasprzack, M., Kasturi, R., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufman, K., Kawabe, K., Kawamura, S., Kawazoe, F., Kéfélian, F., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, B. K., Kim, C., Kim, K., Kim, N., Kim, W., Kim, Y. M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kucharczyk, C., Kudla, S., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kurdyumov, R., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Leaci, P., Lebigot, E. O., Lee, C. H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Roux, A. Le, Leroy, N., Letendre, N., Levine, B., Lewis, J. B., Lhuillier, V., Li, T. G. F., Lin, A. C., Littenberg, T. B., Litvine, V., Liu, F., Liu, H., Liu, Y., Liu, Z., Lloyd, D., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Luan, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Macarthur, J., Macdonald, E., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meier, T., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Mohan, M., Mohapatra, S. R. P., Mokler, F., Moraru, D., Moreno, G., Morgado, N., Mori, T., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nishida, E., Nishizawa, A., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., Larcher, W. Ortega, O'Shaughnessy, R., Osthelder, C., Ott, C. D., Ottaway, D. J., Ottens, R. S., Ou, J., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palomba, C., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Peiris, P., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pindor, B., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poole, V., Poux, C., Predoi, V., Prestegard, T., Price, L. R., Prijatelj, M., Principe, M., Privitera, S., Prix, R., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Rapagnani, P., Raymond, V., Re, V., Reed, C. M., Reed, T., Regimbau, T., Reid, S., Reitze, D. H., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S., Rodriguez, C., Rodruck, M., Roever, C., Rolland, L., Rollins, J. G., Romano, R., Romanov, G., Romie, J. H., Rosinska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., de la Jordana, L. Sancho, Sandberg, V., Sanders, J., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schulz, B., Schutz, B. F., Schwinberg, P., Scott, J., Scott, S. M., Seifert, F., Sellers, D., Sengupta, A. S., Sentenac, D., Sequino, V., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Sintes, A. M., Skelton, G. R., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Soden, K., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Steinert, E., Steinlechner, J., Steinlechner, S., Steplewski, S., Stevens, D., Stochino, A., Stone, R., Strain, K. A., Straniero, N., Strigin, S., Stroeer, A. S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Szeifert, G., Tacca, M., Talukder, D., Tang, L., Tanner, D. B., Tarabrin, S. P., Taylor, R., ter Braack, A. P. M., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Vahlbruch, H., Vajente, G., Vallisneri, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. Y., Vitale, S., Vlcek, B., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vrinceanu, D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Waldman, S. J., Walker, M., Wallace, L., Wan, Y., Wang, J., Wang, M., Wang, X., Wanner, A., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., Whitcomb, S. E., White, D. J., Whiting, B. F., Wibowo, S., Wiesner, K., Wilkinson, C., Williams, L., Williams, R., Williams, T., Willis, J. L., Willke, B., Wimmer, M., Winkelmann, L., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yeaton-Massey, D., Yoshida, S., Yum, H., Yvert, M., Zadrozny, A., Zanolin, M., Zendri, J. -P., Zhang, F., Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zotov, N., Zucker, M. E., and Zweizig, J.

Subjects
General Relativity and Quantum Cosmology
Abstract

We report on an all-sky search for periodic gravitational waves in the frequency range $\mathrm{50-1000 Hz}$ with the first derivative of frequency in the range $-8.9 \times 10^{-10}$ Hz/s to zero in two years of data collected during LIGO's fifth science run. Our results employ a Hough transform technique, introducing a $\chi^2$ test and analysis of coincidences between the signal levels in years 1 and 2 of observations that offers a significant improvement in the product of strain sensitivity with compute cycles per data sample compared to previously published searches. Since our search yields no surviving candidates, we present results taking the form of frequency dependent, 95$%$ confidence upper limits on the strain amplitude $h_0$. The most stringent upper limit from year 1 is $1.0\times 10^{-24}$ in the $\mathrm{158.00-158.25 Hz}$ band. In year 2, the most stringent upper limit is $\mathrm{8.9\times10^{-25}}$ in the $\mathrm{146.50-146.75 Hz}$ band. This improved detection pipeline, which is computationally efficient by at least two orders of magnitude better than our flagship Einstein$@$Home search, will be important for "quick-look" searches in the Advanced LIGO and Virgo detector era., Comment: Accepted in Classical and Quantum Gravity. Science summary of results available at http://www.ligo.org/science/Publication-S5CWHough/index.php

Published
2013
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31. Constraints on cosmic strings from the LIGO-Virgo gravitational-wave detectors

Author

Aasi, J., Abadie, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Adams, C., Adams, T., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Allen, B., Allocca, A., Ceron, E. Amador, Amariutei, D., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barker, D., Barnum, S. H., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J., Bauchrowitz, J., Bauer, Th. S., Bebronne, M., Behnke, B., Bejger, M., Beker, M. G., Bell, A. S., Bell, C., Belopolski, I., Bergmann, G., Berliner, J. M., Bersanetti, D., Bertolini, A., Bessis, D., Betzwieser, J., Beyersdorf, P. T., Bhadbhade, T., Bilenko, I. A., Billingsley, G., Birch, J., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, S., Bosi, L., Bowers, J., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brannen, C. A., Brau, J. E., Breyer, J., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Britzger, M., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavagliá, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Colombini, M., Constancio Jr., M., Conte, A., Conte, R., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Craig, K., Creighton, J. D. E., Creighton, T. D., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daudert, B., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., De Rosa, R., Debreczeni, G., Degallaix, J., Del Pozzo, W., Deleeuw, E., Deléglise, S., Denker, T., Dent, T., Dereli, H., Dergachev, V., DeRosa, R., DeSalvo, R., Dhurandhar, S., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Díaz, M., Dietz, A., Dmitry, K., Donovan, F., Dooley, K. L., Doravari, S., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dumas, J. -C., Dwyer, S., Eberle, T., Edwards, M., Effler, A., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endröczi, G., Essick, R., Etzel, T., Evans, K., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W., Favata, M., Fazi, D., Fehrmann, H., Feldbaum, D., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R., Flaminio, R., Foley, E., Foley, S., Forsi, E., Fotopoulos, N., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fujimoto, M. -K., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Garcia, J., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Gergely, L., Ghosh, S., Giaime, J. A., Giampanis, S., Giardina, K. D., Giazotto, A., Gil-Casanova, S., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Graef, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Griffo, C., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K. E., Gustafson, E. K., Gustafson, R., Hall, B., Hall, E., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hartman, M. T., Haughian, K., Hayama, K., Heefner, J., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Holtrop, M., Hong, T., Hooper, S., Horrom, T., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hua, Z., Huang, V., Huerta, E. A., Hughey, B., Husa, S., Huttner, S. 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Subjects
General Relativity and Quantum Cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

Cosmic strings can give rise to a large variety of interesting astrophysical phenomena. Among them, powerful bursts of gravitational waves (GWs) produced by cusps are a promising observational signature. In this Letter we present a search for GWs from cosmic string cusps in data collected by the LIGO and Virgo gravitational wave detectors between 2005 and 2010, with over 625 days of live time. We find no evidence of GW signals from cosmic strings. From this result, we derive new constraints on cosmic string parameters, which complement and improve existing limits from previous searches for a stochastic background of GWs from cosmic microwave background measurements and pulsar timing data. In particular, if the size of loops is given by the gravitational backreaction scale, we place upper limits on the string tension $G\mu$ below $10^{-8}$ in some regions of the cosmic string parameter space.

Published
2013
Full Text
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32. First Searches for Optical Counterparts to Gravitational-wave Candidate Events

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abadie, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Adams, C., Adams, T., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Allen, B., Allocca, A., Ceron, E. Amador, Amariutei, D., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barker, D., Barnum, S. H., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J., Bauchrowitz, J., Bauer, Th. S., Bebronne, M., Behnke, B., Bejger, M., Beker, M. G., Bell, A. S., Bell, C., Belopolski, I., Bergmann, G., Berliner, J. M., Bertolini, A., Bessis, D., Betzwieser, J., Beyersdorf, P. T., Bhadbhade, T., Bilenko, I. A., Billingsley, G., Birch, J., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Bose, S., Bosi, L., Bowers, J., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brannen, C. A., Brau, J. E., Breyer, J., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Britzger, M., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Colombini, M., Constancio Jr, M., Conte, A., Conte, R., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Craig, K., Creighton, J. D. E., Creighton, T. D., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daudert, B., Daveloza, H., Davier, M., Davies, G. S., Daw, E. 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V., Fujimoto, M. -K., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Garcia, J., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Gergely, L., Ghosh, S., Giaime, J. A., Giampanis, S., Giardina, K. D., Giazotto, A., Gil-Casanova, S., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Graef, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Griffo, C., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K. E., Gustafson, E. K., Gustafson, R., Hall, B., Hall, E., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hartman, M. T., Haughian, K., Hayama, K., Heefner, J., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Holtrop, M., Hong, T., Hooper, S., Horrom, T., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hua, Z., Huang, V., Huerta, E. A., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Iafrate, J., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jang, Y. J., Jaranowski, P., Jiménez-Forteza, F., Johnson, W. W., Jones, D., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Kasprzack, M., Kasturi, R., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufman, K., Kawabe, K., Kawamura, S., Kawazoe, F., Kéfélian, F., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, B. K., Kim, C., Kim, K., Kim, N., Kim, W., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kucharczyk, C., Kudla, S., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kurdyumov, R., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Roux, A. Le, Leaci, P., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Leroy, N., Letendre, N., Levine, B., Lewis, J. B., Lhuillier, V., Li, T. G. F., Lin, A. C., Littenberg, T. B., Litvine, V., Liu, F., Liu, H., Liu, Y., Liu, Z., Lloyd, D., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Luan, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Macarthur, J., Macdonald, E., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meier, T., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Mohan, M., Mohapatra, S. R. P., Mokler, F., Moraru, D., Moreno, G., Morgado, N., Mori, T., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R., Necula, V., Neri, I., Newton, G., Nguyen, T., Nishida, E., Nishizawa, A., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., Larcher, W. Ortega, O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Ou, J., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palomba, C., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Peiris, P., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pindor, B., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poole, V., Poux, C., Predoi, V., Prestegard, T., Price, L. R., Prijatelj, M., Principe, M., Privitera, S., Prix, R., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Rapagnani, P., Raymond, V., Re, V., Reed, C. M., Reed, T., Regimbau, T., Reid, S., Reitze, D. H., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S., Rodriguez, C., Rodruck, M., Roever, C., Rolland, L., Rollins, J. G., Romano, J. D., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schulz, B., Schutz, B. F., Schwinberg, P., Scott, J., Scott, S. M., Seifert, F., Sellers, D., Sengupta, A. S., Sentenac, D., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Sintes, A. M., Skelton, G. R., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Soden, K., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Steinert, E., Steinlechner, J., Steinlechner, S., Steplewski, S., Stevens, D., Stochino, A., Stone, R., Strain, K. A., Strigin, S., Stroeer, A. S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Szeifert, G., Tacca, M., Talukder, D., Tang, L., Tanner, D. B., Tarabrin, S. P., Taylor, R., ter Braack, A. P. M., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Vahlbruch, H., Vajente, G., Vallisneri, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vlcek, B., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vrinceanu, D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Waldman, S. J., Walker, M., Wallace, L., Wan, Y., Wang, J., Wang, M., Wang, X., Wanner, A., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., Whitcomb, S. E., White, D. J., Whiting, B. F., Wibowo, S., Wiesner, K., Wilkinson, C., Williams, L., Williams, R., Williams, T., Willis, J. L., Willke, B., Wimmer, M., Winkelmann, L., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yeaton-Massey, D., Yoshida, S., Yum, H., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, F., Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zotov, N., Zucker, M. E., Zweizig, J., Akerlof, C., Baltay, C., Bloom, J. S., Cao, Y., Cenko, S. B., Ćwiek, A., Ćwiok, M., Dhillon, V., Fox, D. B., Gal-Yam, A., Kasliwal, M. M., Klotz, A., Laas-Bourez, M., Laher, R. R., Law, N. M., Majcher, A., Małek, K., Mankiewicz, L., Nawrocki, K., Nissanke, S., Nugent, P. E., Ofek, E. O., Opiela, R., Piotrowski, L., Poznanski, D., Rabinowitz, D., Rapoport, S., Richards, J. W., Schmidt, B., Siudek, M., Sokołowski, M., Steele, I. A., Sullivan, M., Żarnecki, A. F., and Zheng, W.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena
Abstract

During the LIGO and Virgo joint science runs in 2009-2010, gravitational wave (GW) data from three interferometer detectors were analyzed within minutes to select GW candidate events and infer their apparent sky positions. Target coordinates were transmitted to several telescopes for follow-up observations aimed at the detection of an associated optical transient. Images were obtained for eight such GW candidates. We present the methods used to analyze the image data as well as the transient search results. No optical transient was identified with a convincing association with any of these candidates, and none of the GW triggers showed strong evidence for being astrophysical in nature. We compare the sensitivities of these observations to several model light curves from possible sources of interest, and discuss prospects for future joint GW-optical observations of this type., Comment: 24 pages

Published
2013
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33. Search for long-lived gravitational-wave transients coincident with long gamma-ray bursts

Author

The LIGO Scientific Collaboration, the Virgo Collaboration, Aasi, J., Abadie, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Adams, C., Adams, T., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Allen, B., Allocca, A., Ceron, E. Amador, Amariutei, D., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barker, D., Barnum, S. H., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J., Bauchrowitz, J., Bauer, Th. S., Bebronne, M., Behnke, B., Bejger, M., Beker, M. G., Bell, A. S., Bell, C., Belopolski, I., Bergmann, G., Berliner, J. M., Bersanetti, D., Bertolini, A., Bessis, D., Betzwieser, J., Beyersdorf, P. T., Bhadbhade, T., Bilenko, I. A., Billingsley, G., Birch, J., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, S., Bosi, L., Bowers, J., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brannen, C. A., Brau, J. E., Breyer, J., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Britzger, M., Brooks, A. F., Brown, D. A., Brown, D. D., Br, F., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. Calderon, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavagli, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Colombini, M., Constancio Jr., M., Conte, A., Conte, R., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Craig, K., Creighton, J. D. E., Creighton, T. D., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daudert, B., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., De Rosa, R., Debreczeni, G., Degallaix, J., Del Pozzo, W., Deleeuw, E., Deleglise, S., Denker, T., Dent, T., Dereli, H., Dergachev, V., DeRosa, R., DeSalvo, R., Dhurandhar, S., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Diaz, M., Dietz, A., Dmitry, K., Donovan, F., Dooley, K. L., Doravari, S., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dumas, J. -C., Dwyer, S., Eberle, T., Edwards, M., Effler, A., Ehrens, P., Eichholz, J., Eikenberry, S. S., EndrH, G., Essick, R., Etzel, T., Evans, K., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W., Favata, M., Fazi, D., Fehrmann, H., Feldbaum, D., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R., Flaminio, R., Foley, E., Foley, S., Forsi, E., Fotopoulos, N., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fujimoto, M. -K., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Garcia, J., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Gergely, L., Ghosh, S., Giaime, J. A., Giampanis, S., Giardina, K. D., Giazotto, A., Gil-Casanova, S., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., Gonzalez, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Go, S., Gouaty, R., Graef, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Griffo, C., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K. E., Gustafson, E. K., Gustafson, R., Hall, B., Hall, E., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hartman, M. T., Haughian, K., Hayama, K., Heefner, J., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Holtrop, M., Hong, T., Hooper, S., Horrom, T., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hua, Z., Huang, V., Huerta, E. A., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Iafrate, J., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jang, Y. J., Jaranowski, P., Jimenez-Forteza, F., Johnson, W. W., Jones, D., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Kasprzack, M., Kasturi, R., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufman, K., Kawabe, K., Kawamura, S., Kawazoe, F., Kefelian, F., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, B. K., Kim, C., Kim, K., Kim, N., Kim, W., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D., Kremin, A., Kringel, V., Krolak, A., Kucharczyk, C., Kudla, S., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kurdyumov, R., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Roux, A. Le, Leaci, P., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Leroy, N., Letendre, N., Levine, B., Lewis, J. B., Lhuillier, V., Li, T. G. F., Lin, A. C., Littenberg, T. B., Litvine, V., Liu, F., Liu, H., Liu, Y., Liu, Z., Lloyd, D., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Luan, J., Lubinski, M. J., L, H., Lundgren, A. P., Macarthur, J., Macdonald, E., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mantovani, M., Marchesoni, F., Marion, F., M, S., M, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meier, T., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Mohan, M., Mohapatra, S. R. P., Mokler, F., Moraru, D., Moreno, G., Morgado, N., Mori, T., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nishida, E., Nishizawa, A., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., Larcher, W. Ortega, O'Shaughnessy, R., Osthelder, C., Ott, C. D., Ottaway, D. J., Ottens, R. S., Ou, J., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palomba, C., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Peiris, P., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pindor, B., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poole, V., Poux, C., Predoi, V., Prestegard, T., Price, L. R., Prijatelj, M., Principe, M., Privitera, S., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Racz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Rapagnani, P., Raymond, V., Re, V., Reed, C. M., Reed, T., Regimbau, T., Reid, S., Reitze, D. H., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S., Rodriguez, C., Rodruck, M., Roever, C., Rolland, L., Rollins, J. G., Romano, J. D., Romano, R., Romanov, G., Romie, J. H., Rosinska, D., Rowan, S., Rudiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schulz, B., Schutz, B. F., Schwinberg, P., Scott, J., Scott, S. M., Seifert, F., Sellers, D., Sengupta, A. S., Sentenac, D., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Sintes, A. M., Skelton, G. R., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Soden, K., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Steinert, E., Steinlechner, J., Steinlechner, S., Steplewski, S., Stevens, D., Stochino, A., Stone, R., Strain, K. A., Straniero, N., Strigin, S., Stroeer, A. S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Szeifert, G., Tacca, M., Talukder, D., Tang, L., Tanner, D. B., Tarabrin, S. P., Taylor, R., ter Braack, A. P. M., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Vahlbruch, H., Vajente, G., Vallisneri, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasuth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S., Vetrano, F., Vicere, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vlcek, B., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vrinceanu, D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Waldman, S. J., Walker, M., Wallace, L., Wan, Y., Wang, J., Wang, M., Wang, X., Wanner, A., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., Whitcomb, S. E., White, D. J., Whiting, B. F., Wibowo, S., Wiesner, K., Wilkinson, C., Williams, L., Williams, R., Williams, T., Willis, J. L., Willke, B., Wimmer, M., Winkelmann, L., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yeaton-Massey, D., Yoshida, S., Yum, H., Yvert, M., Zadrozny, A., Zanolin, M., Zendri, J. -P., Zhang, F., Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zotov, N., Zucker, M. E., and Zweizig, J.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, General Relativity and Quantum Cosmology
Abstract

Long gamma-ray bursts (GRBs) have been linked to extreme core-collapse supernovae from massive stars. Gravitational waves (GW) offer a probe of the physics behind long GRBs. We investigate models of long-lived (~10-1000s) GW emission associated with the accretion disk of a collapsed star or with its protoneutron star remnant. Using data from LIGO's fifth science run, and GRB triggers from the swift experiment, we perform a search for unmodeled long-lived GW transients. Finding no evidence of GW emission, we place 90% confidence level upper limits on the GW fluence at Earth from long GRBs for three waveforms inspired by a model of GWs from accretion disk instabilities. These limits range from F<3.5 ergs cm^-2 to $F<1200 ergs cm^-2, depending on the GRB and on the model, allowing us to probe optimistic scenarios of GW production out to distances as far as ~33 Mpc. Advanced detectors are expected to achieve strain sensitivities 10x better than initial LIGO, potentially allowing us to probe the engines of the nearest long GRBs., Comment: 14 pages, 4 figures

Published
2013
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34. A directed search for continuous Gravitational Waves from the Galactic Center

Author

The LIGO Scientific Collaboration, The Virgo Collaboration, Aasi, J., Abadie, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Adams, C., Adams, T., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Allen, B., Allocca, A., Ceron, E. Amador, Amariutei, D., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barker, D., Barnum, S. H., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J., Bauchrowitz, J., Bauer, Th. S., Bebronne, M., Behnke, B., Bejger, M., Beker, M. G., Bell, A. S., Bell, C., Belopolski, I., Bergmann, G., Berliner, J. M., Bertolini, A., Bessis, D., Betzwieser, J., Beyersdorf, P. T., Bhadbhade, T., Bilenko, I. A., Billingsley, G., Birch, J., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Bose, S., Bosi, L., Bowers, J., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brannen, C. A., Brau, J. E., Breyer, J., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Britzger, M., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavagliá, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Colombini, M., Constancio Jr, M., Conte, A., Conte, R., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Craig, K., Creighton, J. D. E., Creighton, T. D., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daudert, B., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., De Rosa, R., Debreczeni, G., Degallaix, J., Del Pozzo, W., Deleeuw, E., Deléglise, S., Denker, T., Dent, T., Dereli, H., Dergachev, V., DeRosa, R., DeSalvo, R., Dhurandhar, S., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Díaz, M., Dietz, A., Dmitry, K., Donovan, F., Dooley, K. L., Doravari, S., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dumas, J. -C., Dwyer, S., Eberle, T., Edwards, M., Effler, A., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endröczi, G., Essick, R., Etzel, T., Evans, K., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farr, B., Farr, W., Favata, M., Fazi, D., Fehrmann, H., Feldbaum, D., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R., Flaminio, R., Foley, E., Foley, S., Forsi, E., Forte, L. A., Fotopoulos, N., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fujimoto, M. -K., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Garcia, J., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Gergely, L., Ghosh, S., Giaime, J. A., Giampanis, S., Giardina, K. D., Giazotto, A., Gil-Casanova, S., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Graef, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Griffo, C., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K. E., Gustafson, E. K., Gustafson, R., Hall, B., Hall, E., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hartman, M. T., Haughian, K., Hayama, K., Heefner, J., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Holtrop, M., Hong, T., Hooper, S., Horrom, T., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hua, Z., Huang, V., Huerta, E. A., Hughey, B., Husa, S., Huttner, S. H., Huynh, M., Huynh-Dinh, T., Iafrate, J., Ingram, D. R., Inta, R., Isogai, T., Ivanov, A., Iyer, B. R., Izumi, K., Jacobson, M., James, E., Jang, H., Jang, Y. J., Jaranowski, P., Jiménez-Forteza, F., Johnson, W. W., Jones, D., Jones, D. I., Jones, R., Jonker, R. J. G., Ju, L., K, Haris, Kalmus, P., Kalogera, V., Kandhasamy, S., Kang, G., Kanner, J. B., Kasprzack, M., Kasturi, R., Katsavounidis, E., Katzman, W., Kaufer, H., Kaufman, K., Kawabe, K., Kawamura, S., Kawazoe, F., Kéfélian, F., Keitel, D., Kelley, D. B., Kells, W., Keppel, D. G., Khalaidovski, A., Khalili, F. Y., Khazanov, E. A., Kim, B. K., Kim, C., Kim, K., Kim, N., Kim, W., Kim, Y. -M., King, E. J., King, P. J., Kinzel, D. L., Kissel, J. S., Klimenko, S., Kline, J., Koehlenbeck, S., Kokeyama, K., Kondrashov, V., Koranda, S., Korth, W. Z., Kowalska, I., Kozak, D., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kucharczyk, C., Kudla, S., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kurdyumov, R., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Roux, A. Le, Leaci, P., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Leroy, N., Letendre, N., Levine, B., Lewis, J. B., Lhuillier, V., Li, T. G. F., Lin, A. C., Littenberg, T. B., Litvine, V., Liu, F., Liu, H., Liu, Y., Liu, Z., Lloyd, D., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Luan, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Macarthur, J., Macdonald, E., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meier, T., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Mohan, M., Mohapatra, S. R. P., Mokler, F., Moraru, D., Moreno, G., Morgado, N., Mori, T., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R., Necula, V., Neri, I., Newton, G., Nguyen, T., Nishida, E., Nishizawa, A., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., Larcher, W. Ortega, O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Ou, J., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palomba, C., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Peiris, P., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pindor, B., Pinto, I. M., Pitkin, M., Pletsch, H. J., Poeld, J., Poggiani, R., Poole, V., Poux, C., Predoi, V., Prestegard, T., Price, L. R., Prijatelj, M., Principe, M., Privitera, S., Prix, R., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Rapagnani, P., Raymond, V., Re, V., Reed, C. M., Reed, T., Regimbau, T., Reid, S., Reitze, D. H., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S., Rodriguez, C., Rodruck, M., Roever, C., Rolland, L., Rollins, J. G., Romano, J. D., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schulz, B., Schutz, B. F., Schwinberg, P., Scott, J., Scott, S. M., Seifert, F., Sellers, D., Sengupta, A. S., Sentenac, D., Sergeev, A., Shaddock, D., Shah, S., Shahriar, M. S., Shaltev, M., Shapiro, B., Shawhan, P., Shoemaker, D. H., Sidery, T. L., Siellez, K., Siemens, X., Sigg, D., Simakov, D., Singer, A., Singer, L., Sintes, A. M., Skelton, G. R., Slagmolen, B. J. J., Slutsky, J., Smith, J. R., Smith, M. R., Smith, R. J. E., Smith-Lefebvre, N. D., Soden, K., Son, E. J., Sorazu, B., Souradeep, T., Sperandio, L., Staley, A., Steinert, E., Steinlechner, J., Steinlechner, S., Steplewski, S., Stevens, D., Stochino, A., Stone, R., Strain, K. A., Strigin, S., Stroeer, A. S., Sturani, R., Stuver, A. L., Summerscales, T. Z., Susmithan, S., Sutton, P. J., Swinkels, B., Szeifert, G., Tacca, M., Talukder, D., Tang, L., Tanner, D. B., Tarabrin, S. P., Taylor, R., ter Braack, A. P. M., Thirugnanasambandam, M. P., Thomas, M., Thomas, P., Thorne, K. A., Thorne, K. S., Thrane, E., Tiwari, V., Tokmakov, K. V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Vahlbruch, H., Vajente, G., Vallisneri, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vlcek, B., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vrinceanu, D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Waldman, S. J., Walker, M., Wallace, L., Wan, Y., Wang, J., Wang, M., Wang, X., Wanner, A., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., Whitcomb, S. E., White, D. J., Whiting, B. F., Wibowo, S., Wiesner, K., Wilkinson, C., Williams, L., Williams, R., Williams, T., Willis, J. L., Willke, B., Wimmer, M., Winkelmann, L., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yeaton-Massey, D., Yoshida, S., Yum, H., Yvert, M., Zadrony, A., Zanolin, M., Zendri, J. -P., Zhang, F., Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zotov, N., Zucker, M. E., and Zweizig, J.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - High Energy Astrophysical Phenomena
Abstract

We present the results of a directed search for continuous gravitational waves from unknown, isolated neutron stars in the Galactic Center region, performed on two years of data from LIGO's fifth science run from two LIGO detectors. The search uses a semi-coherent approach, analyzing coherently 630 segments, each spanning 11.5 hours, and then incoherently combining the results of the single segments. It covers gravitational wave frequencies in a range from 78 to 496 Hz and a frequency-dependent range of first order spindown values down to -7.86 x 10^-8 Hz/s at the highest frequency. No gravitational waves were detected. We place 90% confidence upper limits on the gravitational wave amplitude of sources at the Galactic Center. Placing 90% confidence upper limits on the gravitational wave amplitude of sources at the Galactic Center, we reach ~3.35x10^-25 for frequencies near 150 Hz. These upper limits are the most constraining to date for a large-parameter-space search for continuous gravitational wave signals., Comment: 12 pages, 3 figures, 1 table; PDFLaTeX; to be published in Phys.Rev.D; a science summary can be found at http://www.ligo.org/science/Publication-GCSearch/index.php

Published
2013
Full Text
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35. Gravitational waves from known pulsars: results from the initial detector era

Author

Aasi, J., Abadie, J., Abbott, B. P., Abbott, R., Abbott, T., Abernathy, M. R., Accadia, T., Acernese, F., Adams, C., Adams, T., Adhikari, R. X., Affeldt, C., Agathos, M., Aggarwal, N., Aguiar, O. D., Ajith, P., Allen, B., Allocca, A., Ceron, E. Amador, Amariutei, D., Anderson, R. A., Anderson, S. B., Anderson, W. G., Arai, K., Araya, M. C., Arceneaux, C., Areeda, J., Ast, S., Aston, S. M., Astone, P., Aufmuth, P., Aulbert, C., Austin, L., Aylott, B. E., Babak, S., Baker, P. T., Ballardin, G., Ballmer, S. W., Barayoga, J. C., Barker, D., Barnum, S. H., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barton, M. A., Bartos, I., Bassiri, R., Basti, A., Batch, J., Bauchrowitz, J., Bauer, Th. S., Bebronne, M., Behnke, B., Bejger, M., Beker, M. G., Bell, A. S., Bell, C., Belopolski, I., Bergmann, G., Berliner, J. M., Bersanetti, D., Bertolini, A., Bessis, D., Betzwieser, J., Beyersdorf, P. T., Bhadbhade, T., Bilenko, I. A., Billingsley, G., Birch, J., Bitossi, M., Bizouard, M. A., Black, E., Blackburn, J. K., Blackburn, L., Blair, D., Blom, M., Bock, O., Bodiya, T. P., Boer, M., Bogan, C., Bond, C., Bondu, F., Bonelli, L., Bonnand, R., Bork, R., Born, M., Boschi, V., Bose, S., Bosi, L., Bowers, J., Bradaschia, C., Brady, P. R., Braginsky, V. B., Branchesi, M., Brannen, C. A., Brau, J. E., Breyer, J., Briant, T., Bridges, D. O., Brillet, A., Brinkmann, M., Brisson, V., Britzger, M., Brooks, A. F., Brown, D. A., Brown, D. D., Brückner, F., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cadonati, L., Cagnoli, G., Bustillo, J. Calderón, Calloni, E., Camp, J. B., Campsie, P., Cannon, K. C., Canuel, B., Cao, J., Capano, C. D., Carbognani, F., Carbone, L., Caride, S., Castiglia, A., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Cella, G., Cepeda, C., Cesarini, E., Chakraborty, R., Chalermsongsak, T., Chao, S., Charlton, P., Chassande-Mottin, E., Chen, X., Chen, Y., Chincarini, A., Chiummo, A., Cho, H. S., Chow, J., Christensen, N., Chu, Q., Chua, S. S. Y., Chung, S., Ciani, G., Clara, F., Clark, D. E., Clark, J. A., Cleva, F., Coccia, E., Cohadon, P. -F., Colla, A., Colombini, M., Constancio Jr., M., Conte, A., Conte, R., Cook, D., Corbitt, T. R., Cordier, M., Cornish, N., Corsi, A., Costa, C. A., Coughlin, M. W., Coulon, J. -P., Countryman, S., Couvares, P., Coward, D. M., Cowart, M., Coyne, D. C., Craig, K., Creighton, J. D. E., Creighton, T. D., Crowder, S. G., Cumming, A., Cunningham, L., Cuoco, E., Dahl, K., Canton, T. Dal, Damjanic, M., Danilishin, S. L., D'Antonio, S., Danzmann, K., Dattilo, V., Daudert, B., Daveloza, H., Davier, M., Davies, G. S., Daw, E. J., Day, R., Dayanga, T., De Rosa, R., Debreczeni, G., Degallaix, J., Del Pozzo, W., Deleeuw, E., Deléglise, S., Denker, T., Dent, T., Dereli, H., Dergachev, V., DeRosa, R., DeSalvo, R., Dhurandhar, S., Di Fiore, L., Di Lieto, A., Di Palma, I., Di Virgilio, A., Díaz, M., Dietz, A., Dmitry, K., Donovan, F., Dooley, K. L., Doravari, S., Drago, M., Drever, R. W. P., Driggers, J. C., Du, Z., Dumas, J. -C., Dwyer, S., Eberle, T., Edwards, M., Effler, A., Ehrens, P., Eichholz, J., Eikenberry, S. S., Endrőczi, G., Essick, R., Etzel, T., Evans, K., Evans, M., Evans, T., Factourovich, M., Fafone, V., Fairhurst, S., Fang, Q., Farinon, S., Farr, B., Farr, W., Favata, M., Fazi, D., Fehrmann, H., Feldbaum, D., Ferrante, I., Ferrini, F., Fidecaro, F., Finn, L. S., Fiori, I., Fisher, R., Flaminio, R., Foley, E., Foley, S., Forsi, E., Fotopoulos, N., Fournier, J. -D., Franco, S., Frasca, S., Frasconi, F., Frede, M., Frei, M., Frei, Z., Freise, A., Frey, R., Fricke, T. T., Fritschel, P., Frolov, V. V., Fujimoto, M. -K., Fulda, P., Fyffe, M., Gair, J., Gammaitoni, L., Garcia, J., Garufi, F., Gehrels, N., Gemme, G., Genin, E., Gennai, A., Gergely, L., Ghosh, S., Giaime, J. A., Giampanis, S., Giardina, K. D., Giazotto, A., Gil-Casanova, S., Gill, C., Gleason, J., Goetz, E., Goetz, R., Gondan, L., González, G., Gordon, N., Gorodetsky, M. L., Gossan, S., Goßler, S., Gouaty, R., Graef, C., Graff, P. B., Granata, M., Grant, A., Gras, S., Gray, C., Greenhalgh, R. J. S., Gretarsson, A. M., Griffo, C., Groot, P., Grote, H., Grover, K., Grunewald, S., Guidi, G. M., Guido, C., Gushwa, K. E., Gustafson, E. K., Gustafson, R., Hall, B., Hall, E., Hammer, D., Hammond, G., Hanke, M., Hanks, J., Hanna, C., Hanson, J., Harms, J., Harry, G. M., Harry, I. W., Harstad, E. D., Hartman, M. T., Haughian, K., Hayama, K., Heefner, J., Heidmann, A., Heintze, M., Heitmann, H., Hello, P., Hemming, G., Hendry, M., Heng, I. S., Heptonstall, A. W., Heurs, M., Hild, S., Hoak, D., Hodge, K. A., Holt, K., Holtrop, M., Hong, T., Hooper, S., Horrom, T., Hosken, D. J., Hough, J., Howell, E. J., Hu, Y., Hua, Z., Huang, V., Huerta, E. A., Hughey, B., Husa, S., Huttner, S. 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Z., Kowalska, I., Kozak, D., Kremin, A., Kringel, V., Krishnan, B., Królak, A., Kucharczyk, C., Kudla, S., Kuehn, G., Kumar, A., Kumar, P., Kumar, R., Kurdyumov, R., Kwee, P., Landry, M., Lantz, B., Larson, S., Lasky, P. D., Lawrie, C., Lazzarini, A., Roux, A. Le, Leaci, P., Lebigot, E. O., Lee, C. -H., Lee, H. K., Lee, H. M., Lee, J., Leonardi, M., Leong, J. R., Leroy, N., Letendre, N., Levine, B., Lewis, J. B., Lhuillier, V., Li, T. G. F., Lin, A. C., Littenberg, T. B., Litvine, V., Liu, F., Liu, H., Liu, Y., Liu, Z., Lloyd, D., Lockerbie, N. A., Lockett, V., Lodhia, D., Loew, K., Logue, J., Lombardi, A. L., Lorenzini, M., Loriette, V., Lormand, M., Losurdo, G., Lough, J., Luan, J., Lubinski, M. J., Lück, H., Lundgren, A. P., Macarthur, J., Macdonald, E., Machenschalk, B., MacInnis, M., Macleod, D. M., Magana-Sandoval, F., Mageswaran, M., Mailand, K., Majorana, E., Maksimovic, I., Malvezzi, V., Man, N., Manca, G. M., Mandel, I., Mandic, V., Mangano, V., Mantovani, M., Marchesoni, F., Marion, F., Márka, S., Márka, Z., Markosyan, A., Maros, E., Marque, J., Martelli, F., Martin, I. W., Martin, R. M., Martinelli, L., Martynov, D., Marx, J. N., Mason, K., Masserot, A., Massinger, T. J., Matichard, F., Matone, L., Matzner, R. A., Mavalvala, N., May, G., Mazumder, N., Mazzolo, G., McCarthy, R., McClelland, D. E., McGuire, S. C., McIntyre, G., McIver, J., Meacher, D., Meadors, G. D., Mehmet, M., Meidam, J., Meier, T., Melatos, A., Mendell, G., Mercer, R. A., Meshkov, S., Messenger, C., Meyer, M. S., Miao, H., Michel, C., Mikhailov, E. E., Milano, L., Miller, J., Minenkov, Y., Mingarelli, C. M. F., Mitra, S., Mitrofanov, V. P., Mitselmakher, G., Mittleman, R., Moe, B., Mohan, M., Mohapatra, S. R. P., Mokler, F., Moraru, D., Moreno, G., Morgado, N., Mori, T., Morriss, S. R., Mossavi, K., Mours, B., Mow-Lowry, C. M., Mueller, C. L., Mueller, G., Mukherjee, S., Mullavey, A., Munch, J., Murphy, D., Murray, P. G., Mytidis, A., Nagy, M. F., Kumar, D. Nanda, Nardecchia, I., Nash, T., Naticchioni, L., Nayak, R., Necula, V., Nelemans, G., Neri, I., Neri, M., Newton, G., Nguyen, T., Nishida, E., Nishizawa, A., Nitz, A., Nocera, F., Nolting, D., Normandin, M. E., Nuttall, L. K., Ochsner, E., O'Dell, J., Oelker, E., Ogin, G. H., Oh, J. J., Oh, S. H., Ohme, F., Oppermann, P., O'Reilly, B., Larcher, W. Ortega, O'Shaughnessy, R., Osthelder, C., Ottaway, D. J., Ottens, R. S., Ou, J., Overmier, H., Owen, B. J., Padilla, C., Pai, A., Palomba, C., Pan, Y., Pankow, C., Paoletti, F., Paoletti, R., Papa, M. A., Paris, H., Pasqualetti, A., Passaquieti, R., Passuello, D., Pedraza, M., Peiris, P., Penn, S., Perreca, A., Phelps, M., Pichot, M., Pickenpack, M., Piergiovanni, F., Pierro, V., Pinard, L., Pindor, B., Pinto, I. M., Pitkin, M., Poeld, J., Poggiani, R., Poole, V., Poux, C., Predoi, V., Prestegard, T., Price, L. R., Prijatelj, M., Principe, M., Privitera, S., Prix, R., Prodi, G. A., Prokhorov, L., Puncken, O., Punturo, M., Puppo, P., Quetschke, V., Quintero, E., Quitzow-James, R., Raab, F. J., Rabeling, D. S., Rácz, I., Radkins, H., Raffai, P., Raja, S., Rajalakshmi, G., Rakhmanov, M., Ramet, C., Rapagnani, P., Raymond, V., Re, V., Reed, C. M., Reed, T., Regimbau, T., Reid, S., Reitze, D. H., Ricci, F., Riesen, R., Riles, K., Robertson, N. A., Robinet, F., Rocchi, A., Roddy, S., Rodriguez, C., Rodruck, M., Roever, C., Rolland, L., Rollins, J. G., Romano, J. D., Romano, R., Romanov, G., Romie, J. H., Rosińska, D., Rowan, S., Rüdiger, A., Ruggi, P., Ryan, K., Salemi, F., Sammut, L., Sandberg, V., Sanders, J., Sannibale, V., Santiago-Prieto, I., Saracco, E., Sassolas, B., Sathyaprakash, B. S., Saulson, P. R., Savage, R., Schilling, R., Schnabel, R., Schofield, R. M. S., Schreiber, E., Schuette, D., Schulz, B., Schutz, B. F., Schwinberg, P., Scott, J., Scott, S. 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V., Tomlinson, C., Toncelli, A., Tonelli, M., Torre, O., Torres, C. V., Torrie, C. I., Travasso, F., Traylor, G., Tse, M., Ugolini, D., Unnikrishnan, C. S., Vahlbruch, H., Vajente, G., Vallisneri, M., Brand, J. F. J. van den, Broeck, C. Van Den, van der Putten, S., van der Sluys, M. V., van Heijningen, J., van Veggel, A. A., Vass, S., Vasúth, M., Vaulin, R., Vecchio, A., Vedovato, G., Veitch, J., Veitch, P. J., Venkateswara, K., Verkindt, D., Verma, S., Vetrano, F., Viceré, A., Vincent-Finley, R., Vinet, J. -Y., Vitale, S., Vlcek, B., Vo, T., Vocca, H., Vorvick, C., Vousden, W. D., Vrinceanu, D., Vyachanin, S. P., Wade, A., Wade, L., Wade, M., Waldman, S. J., Walker, M., Wallace, L., Wan, Y., Wang, J., Wang, M., Wang, X., Wanner, A., Ward, R. L., Was, M., Weaver, B., Wei, L. -W., Weinert, M., Weinstein, A. J., Weiss, R., Welborn, T., Wen, L., Wessels, P., West, M., Westphal, T., Wette, K., Whelan, J. T., Whitcomb, S. E., White, D. J., Whiting, B. F., Wibowo, S., Wiesner, K., Wilkinson, C., Williams, L., Williams, R., Williams, T., Willis, J. L., Willke, B., Wimmer, M., Winkelmann, L., Winkler, W., Wipf, C. C., Wittel, H., Woan, G., Worden, J., Yablon, J., Yakushin, I., Yamamoto, H., Yancey, C. C., Yang, H., Yeaton-Massey, D., Yoshida, S., Yum, H., Yvert, M., Zadrożny, A., Zanolin, M., Zendri, J. -P., Zhang, F., Zhang, L., Zhao, C., Zhu, H., Zhu, X. J., Zotov, N., Zucker, M. E., Zweizig, J., Buchner, S., Cognard, I., Corongiu, A., D'Amico, N., Espinoza, C. M., Freire, P. C. C., Gotthelf, E. V., Guillemot, L., Hessels, J. W. T., Hobbs, G. B., Kramer, M., Lyne, A. G., Marshall, F. E., Possenti, A., Ransom, S. M., Ray, P. S., Roy, J., and Stappers, B. W.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, General Relativity and Quantum Cosmology
Abstract

We present the results of searches for gravitational waves from a large selection of pulsars using data from the most recent science runs (S6, VSR2 and VSR4) of the initial generation of interferometric gravitational wave detectors LIGO (Laser Interferometric Gravitational-wave Observatory) and Virgo. We do not see evidence for gravitational wave emission from any of the targeted sources but produce upper limits on the emission amplitude. We highlight the results from seven young pulsars with large spin-down luminosities. We reach within a factor of five of the canonical spin-down limit for all seven of these, whilst for the Crab and Vela pulsars we further surpass their spin-down limits. We present new or updated limits for 172 other pulsars (including both young and millisecond pulsars). Now that the detectors are undergoing major upgrades, and, for completeness, we bring together all of the most up-to-date results from all pulsars searched for during the operations of the first-generation LIGO, Virgo and GEO600 detectors. This gives a total of 195 pulsars including the most recent results described in this paper., Comment: Version accepted by The Astrophysical Journal. Science summary of results available at http://www.ligo.org/science/Publication-S6VSR24KnownPulsar/

Published
2013
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36. Quantum interference-enhanced deep sub-Doppler cooling of 39 K atoms in gray molasses

Author

Nath, Dipankar, Easwaran, R Kollengode, Rajalakshmi, G., and Unnikrishnan, C. S.

Subjects
Physics - Atomic Physics, Quantum Physics
Abstract

We report enhanced sub-Doppler cooling of the bosonic atoms of $^{39}$K facilitated by formation of dark states tuned for the Raman resonance in the $\Lambda-$configuration near the D1 transition. Temperature of about 12 $\mu$K is achieved in the two stage D2-D1 molasses and spans a very large parameter region where quantum interference persists robustly. We also present results on enhanced radiation heating with sub-natural linewidth (0.07$\Gamma$) and signature Fano like profile of a coherently driven 3-level atomic system. The Optical Bloch Equations relevant for the three-level atom in bichromatic light field is solved with the method of continued fractions to show that cooling occurs only for a small velocity class of atoms, emphasizing the need for pre-cooling in D2 molasses stage., Comment: 7 pages,10 images

Published
2013
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37. Accelerated Thermalisation of 39K atoms in a Magnetic Trap with Superimposed Optical Potential

Author

Nath, Dipankar, Easwaran, R Kollengode, Rajalakshmi, G., and Unnikrishnan, C. S.

Subjects
Physics - Atomic Physics, Quantum Physics
Abstract

We report the rapid accelerated thermalisation of Potassium 39 K atoms loaded in a magnetic trap, in the presence of a single dipole trap beam. More than an order of magnitude reduction in the thermalisation time, to less than a second, is observed with the focused off- resonant beam occupying only 0.01% of the volume of the magnetic trap. The cold atoms are loaded from a Magneto-Optical Trap(MOT) of 39 K that has gone through a compressed MOT and sub-Doppler cooling stage. The atoms are prepared in the magnetically stretched |F = 2, mF = 2> state prior to loading into the hybrid trap. We also report a direct loading of 39 K atoms, prepared in the state |F = 1>, into a single beam dipole trap., Comment: Submitted to Journal of Physics B: Atomic, Molecular and Optical Physics

Published
2013
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41. Precision studies of Casimir force and short-range gravity employing prototypes of interferometric gravitational wave detectors

Author

Rajalakshmi, G. and Unnikrishnan, C. S.

Subjects
General Relativity and Quantum Cosmology, High Energy Physics - Experiment, Physics - Atomic Physics
Abstract

We discuss experimental schemes to measure the Casimir force and short range forces from hypothetical modified gravity with unprecedented sensitivity using highly sensitive prototype gravitational wave detectors as displacement sensors. The finite temperature effects of the Casimir force would be detectable with a sensitivity of better than 1% for separation exceeding 30 microns. Constraints on short range modifications to gravity can be improved in the distance range of 10-100 microns., Comment: 13 pages, 6 Figures, accepted in CQG

Published
2010
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42. Torsion Balance Investigation of the Casimir Effect

Author

Rajalakshmi, G.

Subjects
General Relativity and Quantum Cosmology, Physics - Atomic Physics, Quantum Physics
Abstract

The presence of finite energy in quantum vacuum has profound implications to physics at the microscopic and macroscopic levels. One of the direct consequences of vacuum energy is the Casimir Force, which is a force of attraction experienced by a pair of infinite planar conductive plates placed in vacuum. Experiments to measure Casimir force have been carried out since the 1950s. This thesis presents a measurement of Casimir force between a flat and a spherical conducting surface using a torsion balance for separations in the range of 1 micron to 8 micron. The details of the construction of the torsion balance apparatus, the experimental procedure and the analysis to obtain the Casimir force as a function of separation are described. There are indications of the finite temperature effects which become important for separations greater than ~ 3microns. The combined import of this experiment with others at shorter distances is to favor the finite temperature theory of Casimir forces. The contributions of this experiment towards bounding the strength of inverse square law short-range violating interactions are presented., Comment: Graduate thesis work done in Indian Institute of Astrophysics, submitted in May 2004

Published
2008

43. High-sensitivity characterization of ultra-thin atomic layers using spin-Hall effect of light.

Author

Panda, Janmey J., Sahoo, Krishna R., Praturi, Aparna, Lal, Ashique, Viswanathan, Nirmal K., Narayanan, Tharangattu N., and Rajalakshmi, G.

Subjects
KERR electro-optical effect, MAGNETIC fields, OPTICAL conductivity, SURFACE analysis, MAGNETIC properties
Abstract

The fast-emerging diverse applications using a variety of magnetic/non-magnetic heterostructure ultra-thin films warrant the sensitive characterization of the electrical, optical, and magnetic properties of the interface. As a practical alternate to the conventional magneto-optic Kerr effect (MOKE) method, we propose and demonstrate the spin-Hall effect of the light (SHEL)-based MOKE method with competitive sensitivity and scope for further improvement. The SHEL-MOKE technique is a versatile surface characterization tool for studying materials' magnetic and dielectric ordering, which are extracted from the variations to the phase-polarization characteristics of a focused beam of light reflected at the interface, as a function of the applied magnetic field. Using this technique, we measure the magnetic field dependent complex Kerr angle and the coercivity in ultra-thin films of permalloy (Py) and at molybdenum disulfide (MoS 2)—permalloy (MSPy) hetero-structure interfaces. A comprehensive theoretical model and simulation data are provided to strengthen the potential of this simple non-invasive optical method. The theoretical model is subsequently applied to extract the optical conductivity of non-magnetic ultra-thin layers of MoS 2. [ABSTRACT FROM AUTHOR]

Published
2022
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44. Effect of exercise, relaxation, and ergonomics on physiological stress indicators - An experimental study on teachers

Author

Vaishnavi G., Parveen M. Majitha, C.V. Senthil Nathan, Tharani G., Kamatchi K., Rajalakshmi G., Yuvarani G., and Aruna D.

Subjects
General Medicine, General Biochemistry, Genetics and Molecular Biology
Abstract

Introduction and Aim: Stress is a reaction of the body to substantial or unusual demands. It, a complex reaction of the neurologic and endocrinologic system which can initiate the ‘Fight or Flight’ response. This may lead to headache, tense muscles, insomnia. Stress can alter the memory function, immune function, metabolism, and susceptibility to the disease. The effect of stress and relationship in making teachers quite inefficient in their profession is a growing concern. The present study objective is to investigate the effective significance of exercise, relaxation, and ergonomics on physiological stress in teachers. Materials and Methods: A total of 30 teachers, both male and female were randomly selected. They supported the inclusion and exclusion criteria and were between 30 to 60 years, separated into 2 groups. They were asked to fill necessary information in the stress profile for teachers. The subjects with moderate to high stress were taken for the study and were divided into two groups. Group ‘A’ were given aerobic stepper exercise and relaxation techniques. Group ‘B’ were given aerobic stepper exercise and suggestions given on ergonomic correction for an intervention period of about 8 weeks, 5 days per week 45 minutes per session. Pre- and post-test values were taken on blood pressure and blood glucose level using sphygmomanometer and glucometer. Results: The pre- and post-test between group A and group B show a highly significant difference. However, group A showed higher significance than group B. Conclusion: According to the findings, aerobic stepper exercise with relaxation techniques shows highly significant difference and aerobic stepper exercise with ergonomic correction shows significance but aerobic exercise with relaxation technique is highly effective in reducing stress and maintaining blood pressure and glucose level in teachers.

Published
2022

45. Molecular Perceptions on Tumour Metastasis in Oral Squamous Cell Carcinoma (OSCC): Potential for Therapeutic Interventions

Author

Rajalakshmi G, Smitha NV, Mahija Janardhanan, Anthony George, and Subramania Iyer

Subjects
General Medicine
Abstract

Oral cancer is a foremost health concern and India accounts for about one third of its universal burden. About 80% of oral cancers in India are oral squamous cell carcinoma. They are associated with alarming fatality rates and the inability to prevent tumour metastasis being a prime reason. Considerate knowledge on the molecular events of tumour progression may give insight on developing rationale for the targeted prevention. This review intends to highlight the critical role of primary tumour and the tumour microenvironment in initiating metastasis and the mechanisms underlying the establishment of metastatic foci. Better understanding of these processes may help in targeting more research into the control of metastasis and thus disease control.

Published
2022

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