Time-dependent searches for point sources of neutrinos with the 40-string and 22-string configurations of icecube

R. Abbasi; Y. Abdou; T. Abu-Zayyad; J. Adams; J. A. Aguilar; M. Ahlers; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; R. Bay; J. L. Bazo Alba; K. Beattie; J. J. Beatty; S. Bechet; J. K. Becker; K. H. Becker; M. L. Benabderrahmane; S. Benzvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; C. Bohm; D. Bose; S. Böser; O. Botner; J. Braun; A. M. Brown; S. Buitink; M. Carson; D. Chirkin; B. Christy; J. Clem; F. Clevermann; S. Cohen; C. Colnard; D. F. Cowen; M. V. D'Agostino; M. Danninger; J. Daughhetee; J. C. Davis; C. De Clercq; L. Demirörs; T. Denger; O. Depaepe; F. Descamps; P. Desiati; G. De Vries-Uiterweerd; T. Deyoung; J. C. Díaz-Vélez; M. Dierckxsens; J. Dreyer; J. P. Dumm; R. Ehrlich; J. Eisch; R. W. Ellsworth; O. Engdegrd; S. Euler; P. A. Evenson; O. Fadiran; A. R. Fazely; A. Fedynitch; T. Feusels; K. Filimonov; C. Finley; T. Fischer-Wasels; M. M. Foerster; B. D. Fox; A. Franckowiak; R. Franke; T. K. Gaisser; J. Gallagher; M. Geisler; L. Gerhardt; L. Gladstone; T. Glüsenkamp; A. Goldschmidt; J. A. Goodman; D. Grant; T. Griesel; A. Groß; S. Grullon; M. Gurtner; C. Ha; A. Hallgren; F. Halzen; K. Han; K. Hanson; D. Heinen; K. Helbing; P. Herquet; S. Hickford; G. C. Hill; K. D. Hoffman; A. Homeier; K. Hoshina; D. Hubert; W. Huelsnitz; J. P. Hülß; P. O. Hulth; K. Hultqvist; S. Hussain; A. Ishihara; J. Jacobsen; G. S. Japaridze; H. Johansson; J. M. Joseph; K. H. Kampert; A. Kappes; T. Karg; A. Karle; J. L. Kelley; P. Kenny; J. Kiryluk; F. Kislat; S. R. Klein; J. H. Köhne; G. Kohnen; H. Kolanoski; L. Köpke; S. Kopper; D. J. Koskinen; M. Kowalski; T. Kowarik; M. Krasberg; T. Krings; G. Kroll; K. Kuehn; N. Kurahashi; T. Kuwabara; M. Labare; S. Lafebre; K. Laihem; H. Landsman; M. J. Larson; R. Lauer; J. Lünemann; J. Madsen; P. Majumdar; A. Marotta; R. Maruyama; K. Mase; H. S. Matis; K. Meagher; M. Merck; P. Mészros; T. Meures; E. Middell; N. Milke; J. Miller; T. Montaruli; R. Morse; S. M. Movit; R. Nahnhauer; J. W. Nam; U. Naumann; P. Nießen; D. R. Nygren; S. Odrowski; A. Olivas; M. Olivo; A. O'Murchadha; M. Ono; S. Panknin; L. Paul; C. Pérez De Los Heros; J. Petrovic; A. Piegsa; D. Pieloth; R. Porrata; J. Posselt; P. B. Price; M. Prikockis; G. T. Przybylski; K. Rawlins; P. Redl; E. Resconi; W. Rhode; M. Ribordy; A. Rizzo; J. P. Rodrigues; P. Roth; F. Rothmaier; C. Rott; T. Ruhe; D. Rutledge; B. Ruzybayev; D. Ryckbosch; H. G. Sander; M. Santander; S. Sarkar; K. Schatto; T. Schmidt; A. Schönwald; A. Schukraft; A. Schultes; O. Schulz; M. Schunck; D. Seckel; B. Semburg; S. H. Seo; Y. Sestayo; S. Seunarine; A. Silvestri; A. Slipak; G. M. Spiczak; C. Spiering; M. Stamatikos; T. Stanev; G. Stephens; T. Stezelberger; R. G. Stokstad; A. Stössl; S. Stoyanov; E. A. Strahler; T. Straszheim; M. Stör; G. W. Sullivan; Q. Swillens; H. Taavola; I. Taboada; A. Tamburro; A. Tepe; S. Ter-Antonyan; S. Tilav; P. A. Toale; S. Toscano; D. Tosi; D. Turçan; N. Van Eijndhoven; J. Vandenbroucke; A. Van Overloop; J. Van Santen; M. Vehring; M. Voge; C. Walck; T. Waldenmaier; M. Wallraff; M. Walter; Ch Weaver; C. Wendt; S. Westerhoff; N. Whitehorn; K. Wiebe; C. H. Wiebusch; D. R. Williams; R. Wischnewski; H. Wissing; M. Wolf; K. Woschnagg; C. Xu; X. W. Xu; G. Yodh; S. Yoshida; A. P. Zarzhitsky

doi:10.1088/0004-637X/744/1/1

Time-dependent searches for point sources of neutrinos with the 40-string and 22-string configurations of icecube

R. Abbasi, Y. Abdou, T. Abu-Zayyad, J. Adams, J. A. Aguilar, M. Ahlers, K. Andeen, J. Auffenberg, X. Bai, M. Baker, S. W. Barwick, R. Bay, J. L. Bazo Alba, K. Beattie, J. J. Beatty, S. Bechet, J. K. Becker, K. H. Becker, M. L. Benabderrahmane, S. BenzviJ. Berdermann, P. Berghaus, D. Berley, E. Bernardini, D. Bertrand, D. Z. Besson, D. Bindig, M. Bissok, E. Blaufuss, J. Blumenthal, D. J. Boersma, C. Bohm, D. Bose, S. Böser, O. Botner, J. Braun, A. M. Brown, S. Buitink, M. Carson, D. Chirkin, B. Christy, J. Clem, F. Clevermann, S. Cohen, C. Colnard, D. F. Cowen, M. V. D'Agostino, M. Danninger, J. Daughhetee, J. C. Davis, C. De Clercq, L. Demirörs, T. Denger, O. Depaepe, F. Descamps, P. Desiati, G. De Vries-Uiterweerd, T. Deyoung, J. C. Díaz-Vélez, M. Dierckxsens, J. Dreyer, J. P. Dumm, R. Ehrlich, J. Eisch, R. W. Ellsworth, O. Engdegrd, S. Euler, P. A. Evenson, O. Fadiran, A. R. Fazely, A. Fedynitch, T. Feusels, K. Filimonov, C. Finley, T. Fischer-Wasels, M. M. Foerster, B. D. Fox, A. Franckowiak, R. Franke, T. K. Gaisser, J. Gallagher, M. Geisler, L. Gerhardt, L. Gladstone, T. Glüsenkamp, A. Goldschmidt, J. A. Goodman, D. Grant, T. Griesel, A. Groß, S. Grullon, M. Gurtner, C. Ha, A. Hallgren, F. Halzen, K. Han, K. Hanson, D. Heinen, K. Helbing, P. Herquet, S. Hickford, G. C. Hill, K. D. Hoffman, A. Homeier, K. Hoshina, D. Hubert, W. Huelsnitz, J. P. Hülß, P. O. Hulth, K. Hultqvist, S. Hussain, A. Ishihara, J. Jacobsen, G. S. Japaridze, H. Johansson, J. M. Joseph, K. H. Kampert, A. Kappes, T. Karg, A. Karle, J. L. Kelley, P. Kenny, J. Kiryluk, F. Kislat, S. R. Klein, J. H. Köhne, G. Kohnen, H. Kolanoski, L. Köpke, S. Kopper, D. J. Koskinen, M. Kowalski, T. Kowarik, M. Krasberg, T. Krings, G. Kroll, K. Kuehn, N. Kurahashi, T. Kuwabara, M. Labare, S. Lafebre, K. Laihem, H. Landsman, M. J. Larson, R. Lauer, J. Lünemann, J. Madsen, P. Majumdar, A. Marotta, R. Maruyama, K. Mase, H. S. Matis, K. Meagher, M. Merck, P. Mészros, T. Meures, E. Middell, N. Milke, J. Miller, T. Montaruli, R. Morse, S. M. Movit, R. Nahnhauer, J. W. Nam, U. Naumann, P. Nießen, D. R. Nygren, S. Odrowski, A. Olivas, M. Olivo, A. O'Murchadha, M. Ono, S. Panknin, L. Paul, C. Pérez De Los Heros, J. Petrovic, A. Piegsa, D. Pieloth, R. Porrata, J. Posselt, P. B. Price, M. Prikockis, G. T. Przybylski, K. Rawlins, P. Redl, E. Resconi, W. Rhode, M. Ribordy, A. Rizzo, J. P. Rodrigues, P. Roth, F. Rothmaier, C. Rott, T. Ruhe, D. Rutledge, B. Ruzybayev, D. Ryckbosch, H. G. Sander, M. Santander, S. Sarkar, K. Schatto, T. Schmidt, A. Schönwald, A. Schukraft, A. Schultes, O. Schulz, M. Schunck, D. Seckel, B. Semburg, S. H. Seo, Y. Sestayo, S. Seunarine, A. Silvestri, A. Slipak, G. M. Spiczak, C. Spiering, M. Stamatikos, T. Stanev, G. Stephens, T. Stezelberger, R. G. Stokstad, A. Stössl, S. Stoyanov, E. A. Strahler, T. Straszheim, M. Stör, G. W. Sullivan, Q. Swillens, H. Taavola, I. Taboada, A. Tamburro, A. Tepe, S. Ter-Antonyan, S. Tilav, P. A. Toale, S. Toscano, D. Tosi, D. Turçan, N. Van Eijndhoven, J. Vandenbroucke, A. Van Overloop, J. Van Santen, M. Vehring, M. Voge, C. Walck, T. Waldenmaier, M. Wallraff, M. Walter, Ch Weaver, C. Wendt, S. Westerhoff, N. Whitehorn, K. Wiebe, C. H. Wiebusch, D. R. Williams, R. Wischnewski, H. Wissing, M. Wolf, K. Woschnagg, C. Xu, X. W. Xu, G. Yodh, S. Yoshida, A. P. Zarzhitsky

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

35 Citas (Scopus)

Resumen

This paper presents four searches for flaring sources of neutrinos using the IceCube neutrino telescope. For the first time, a search is performed over the entire parameter space of energy, direction, and time with sensitivity to neutrino flares lasting between 20 μs and a year duration from astrophysical sources. Searches that integrate over time are less sensitive to flares because they are affected by a larger background of atmospheric neutrinos and muons that can be reduced by the use of additional timing information. Flaring sources considered here, such as active galactic nuclei, soft gamma-ray repeaters, and gamma-ray bursts, are promising candidate neutrino emitters. Two searches are "untriggered" in the sense that they look for any possible flare in the entire sky and from a predefined catalog of sources from which photon flares have been recorded. The other two searches are triggered by multi-wavelength information on flares from blazars and from a soft gamma-ray repeater. One triggered search uses lightcurves from Fermi-LAT which provides continuous monitoring. A second triggered search uses information where the flux states have been measured only for short periods of time near the flares. The untriggered searches use data taken by 40 strings of IceCube between 2008 April 5 and 2009 May 20. The triggered searches also use data taken by the 22-string configuration of IceCube operating between 2007 May 31 and 2008 April 5. The results from all four searches are compatible with a fluctuation of the background.

Idioma original	Inglés
Número de artículo	1
Publicación	Astrophysical Journal
Volumen	744
N.º	1
DOI	https://doi.org/10.1088/0004-637X/744/1/1
Estado	Publicada - 1 ene. 2012
Publicado de forma externa	Sí

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10.1088/0004-637X/744/1/1

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Abbasi, R., Abdou, Y., Abu-Zayyad, T., Adams, J., Aguilar, J. A., Ahlers, M., Andeen, K., Auffenberg, J., Bai, X., Baker, M., Barwick, S. W., Bay, R., Bazo Alba, J. L., Beattie, K., Beatty, J. J., Bechet, S., Becker, J. K., Becker, K. H., Benabderrahmane, M. L., ... Zarzhitsky, A. P. (2012). Time-dependent searches for point sources of neutrinos with the 40-string and 22-string configurations of icecube. Astrophysical Journal, 744(1), Artículo 1. https://doi.org/10.1088/0004-637X/744/1/1

@article{7fbb0ab21ada4d6a80e56beef91970fd,

title = "Time-dependent searches for point sources of neutrinos with the 40-string and 22-string configurations of icecube",

abstract = "This paper presents four searches for flaring sources of neutrinos using the IceCube neutrino telescope. For the first time, a search is performed over the entire parameter space of energy, direction, and time with sensitivity to neutrino flares lasting between 20 μs and a year duration from astrophysical sources. Searches that integrate over time are less sensitive to flares because they are affected by a larger background of atmospheric neutrinos and muons that can be reduced by the use of additional timing information. Flaring sources considered here, such as active galactic nuclei, soft gamma-ray repeaters, and gamma-ray bursts, are promising candidate neutrino emitters. Two searches are {"}untriggered{"} in the sense that they look for any possible flare in the entire sky and from a predefined catalog of sources from which photon flares have been recorded. The other two searches are triggered by multi-wavelength information on flares from blazars and from a soft gamma-ray repeater. One triggered search uses lightcurves from Fermi-LAT which provides continuous monitoring. A second triggered search uses information where the flux states have been measured only for short periods of time near the flares. The untriggered searches use data taken by 40 strings of IceCube between 2008 April 5 and 2009 May 20. The triggered searches also use data taken by the 22-string configuration of IceCube operating between 2007 May 31 and 2008 April 5. The results from all four searches are compatible with a fluctuation of the background.",

keywords = "astroparticle physics, cosmic rays, neutrinos",

author = "R. Abbasi and Y. Abdou and T. Abu-Zayyad and J. Adams and Aguilar, {J. A.} and M. Ahlers and K. Andeen and J. Auffenberg and X. Bai and M. Baker and Barwick, {S. W.} and R. Bay and {Bazo Alba}, {J. L.} and K. Beattie and Beatty, {J. J.} and S. Bechet and Becker, {J. K.} and Becker, {K. H.} and Benabderrahmane, {M. L.} and S. Benzvi and J. Berdermann and P. Berghaus and D. Berley and E. Bernardini and D. Bertrand and Besson, {D. Z.} and D. Bindig and M. Bissok and E. Blaufuss and J. Blumenthal and Boersma, {D. J.} and C. Bohm and D. Bose and S. B{\"o}ser and O. Botner and J. Braun and Brown, {A. M.} and S. Buitink and M. Carson and D. Chirkin and B. Christy and J. Clem and F. Clevermann and S. Cohen and C. Colnard and Cowen, {D. F.} and D'Agostino, {M. V.} and M. Danninger and J. Daughhetee and Davis, {J. C.} and {De Clercq}, C. and L. Demir{\"o}rs and T. Denger and O. Depaepe and F. Descamps and P. Desiati and {De Vries-Uiterweerd}, G. and T. Deyoung and D{\'i}az-V{\'e}lez, {J. C.} and M. Dierckxsens and J. Dreyer and Dumm, {J. P.} and R. Ehrlich and J. Eisch and Ellsworth, {R. W.} and O. Engdegrd and S. Euler and Evenson, {P. A.} and O. Fadiran and Fazely, {A. R.} and A. Fedynitch and T. Feusels and K. Filimonov and C. Finley and T. Fischer-Wasels and Foerster, {M. M.} and Fox, {B. D.} and A. Franckowiak and R. Franke and Gaisser, {T. K.} and J. Gallagher and M. Geisler and L. Gerhardt and L. Gladstone and T. Gl{\"u}senkamp and A. Goldschmidt and Goodman, {J. A.} and D. Grant and T. Griesel and A. Gro{\ss} and S. Grullon and M. Gurtner and C. Ha and A. Hallgren and F. Halzen and K. Han and K. Hanson and D. Heinen and K. Helbing and P. Herquet and S. Hickford and Hill, {G. C.} and Hoffman, {K. D.} and A. Homeier and K. Hoshina and D. Hubert and W. Huelsnitz and H{\"u}l{\ss}, {J. P.} and Hulth, {P. O.} and K. Hultqvist and S. Hussain and A. Ishihara and J. Jacobsen and Japaridze, {G. S.} and H. Johansson and Joseph, {J. M.} and Kampert, {K. H.} and A. Kappes and T. Karg and A. Karle and Kelley, {J. L.} and P. Kenny and J. Kiryluk and F. Kislat and Klein, {S. R.} and K{\"o}hne, {J. H.} and G. Kohnen and H. Kolanoski and L. K{\"o}pke and S. Kopper and Koskinen, {D. J.} and M. Kowalski and T. Kowarik and M. Krasberg and T. Krings and G. Kroll and K. Kuehn and N. Kurahashi and T. Kuwabara and M. Labare and S. Lafebre and K. Laihem and H. Landsman and Larson, {M. J.} and R. Lauer and J. L{\"u}nemann and J. Madsen and P. Majumdar and A. Marotta and R. Maruyama and K. Mase and Matis, {H. S.} and K. Meagher and M. Merck and P. M{\'e}szros and T. Meures and E. Middell and N. Milke and J. Miller and T. Montaruli and R. Morse and Movit, {S. M.} and R. Nahnhauer and Nam, {J. W.} and U. Naumann and P. Nie{\ss}en and Nygren, {D. R.} and S. Odrowski and A. Olivas and M. Olivo and A. O'Murchadha and M. Ono and S. Panknin and L. Paul and {P{\'e}rez De Los Heros}, C. and J. Petrovic and A. Piegsa and D. Pieloth and R. Porrata and J. Posselt and Price, {P. B.} and M. Prikockis and Przybylski, {G. T.} and K. Rawlins and P. Redl and E. Resconi and W. Rhode and M. Ribordy and A. Rizzo and Rodrigues, {J. P.} and P. Roth and F. Rothmaier and C. Rott and T. Ruhe and D. Rutledge and B. Ruzybayev and D. Ryckbosch and Sander, {H. G.} and M. Santander and S. Sarkar and K. Schatto and T. Schmidt and A. Sch{\"o}nwald and A. Schukraft and A. Schultes and O. Schulz and M. Schunck and D. Seckel and B. Semburg and Seo, {S. H.} and Y. Sestayo and S. Seunarine and A. Silvestri and A. Slipak and Spiczak, {G. M.} and C. Spiering and M. Stamatikos and T. Stanev and G. Stephens and T. Stezelberger and Stokstad, {R. G.} and A. St{\"o}ssl and S. Stoyanov and Strahler, {E. A.} and T. Straszheim and M. St{\"o}r and Sullivan, {G. W.} and Q. Swillens and H. Taavola and I. Taboada and A. Tamburro and A. Tepe and S. Ter-Antonyan and S. Tilav and Toale, {P. A.} and S. Toscano and D. Tosi and D. Tur{\c c}an and {Van Eijndhoven}, N. and J. Vandenbroucke and {Van Overloop}, A. and {Van Santen}, J. and M. Vehring and M. Voge and C. Walck and T. Waldenmaier and M. Wallraff and M. Walter and Ch Weaver and C. Wendt and S. Westerhoff and N. Whitehorn and K. Wiebe and Wiebusch, {C. H.} and Williams, {D. R.} and R. Wischnewski and H. Wissing and M. Wolf and K. Woschnagg and C. Xu and Xu, {X. W.} and G. Yodh and S. Yoshida and Zarzhitsky, {A. P.}",

year = "2012",

month = jan,

day = "1",

doi = "10.1088/0004-637X/744/1/1",

language = "English",

volume = "744",

journal = "Astrophysical Journal",

issn = "0004-637X",

number = "1",

}

Abbasi, R, Abdou, Y, Abu-Zayyad, T, Adams, J, Aguilar, JA, Ahlers, M, Andeen, K, Auffenberg, J, Bai, X, Baker, M, Barwick, SW, Bay, R, Bazo Alba, JL, Beattie, K, Beatty, JJ, Bechet, S, Becker, JK, Becker, KH, Benabderrahmane, ML, Benzvi, S, Berdermann, J, Berghaus, P, Berley, D, Bernardini, E, Bertrand, D, Besson, DZ, Bindig, D, Bissok, M, Blaufuss, E, Blumenthal, J, Boersma, DJ, Bohm, C, Bose, D, Böser, S, Botner, O, Braun, J, Brown, AM, Buitink, S, Carson, M, Chirkin, D, Christy, B, Clem, J, Clevermann, F, Cohen, S, Colnard, C, Cowen, DF, D'Agostino, MV, Danninger, M, Daughhetee, J, Davis, JC, De Clercq, C, Demirörs, L, Denger, T, Depaepe, O, Descamps, F, Desiati, P, De Vries-Uiterweerd, G, Deyoung, T, Díaz-Vélez, JC, Dierckxsens, M, Dreyer, J, Dumm, JP, Ehrlich, R, Eisch, J, Ellsworth, RW, Engdegrd, O, Euler, S, Evenson, PA, Fadiran, O, Fazely, AR, Fedynitch, A, Feusels, T, Filimonov, K, Finley, C, Fischer-Wasels, T, Foerster, MM, Fox, BD, Franckowiak, A, Franke, R, Gaisser, TK, Gallagher, J, Geisler, M, Gerhardt, L, Gladstone, L, Glüsenkamp, T, Goldschmidt, A, Goodman, JA, Grant, D, Griesel, T, Groß, A, Grullon, S, Gurtner, M, Ha, C, Hallgren, A, Halzen, F, Han, K, Hanson, K, Heinen, D, Helbing, K, Herquet, P, Hickford, S, Hill, GC, Hoffman, KD, Homeier, A, Hoshina, K, Hubert, D, Huelsnitz, W, Hülß, JP, Hulth, PO, Hultqvist, K, Hussain, S, Ishihara, A, Jacobsen, J, Japaridze, GS, Johansson, H, Joseph, JM, Kampert, KH, Kappes, A, Karg, T, Karle, A, Kelley, JL, Kenny, P, Kiryluk, J, Kislat, F, Klein, SR, Köhne, JH, Kohnen, G, Kolanoski, H, Köpke, L, Kopper, S, Koskinen, DJ, Kowalski, M, Kowarik, T, Krasberg, M, Krings, T, Kroll, G, Kuehn, K, Kurahashi, N, Kuwabara, T, Labare, M, Lafebre, S, Laihem, K, Landsman, H, Larson, MJ, Lauer, R, Lünemann, J, Madsen, J, Majumdar, P, Marotta, A, Maruyama, R, Mase, K, Matis, HS, Meagher, K, Merck, M, Mészros, P, Meures, T, Middell, E, Milke, N, Miller, J, Montaruli, T, Morse, R, Movit, SM, Nahnhauer, R, Nam, JW, Naumann, U, Nießen, P, Nygren, DR, Odrowski, S, Olivas, A, Olivo, M, O'Murchadha, A, Ono, M, Panknin, S, Paul, L, Pérez De Los Heros, C, Petrovic, J, Piegsa, A, Pieloth, D, Porrata, R, Posselt, J, Price, PB, Prikockis, M, Przybylski, GT, Rawlins, K, Redl, P, Resconi, E, Rhode, W, Ribordy, M, Rizzo, A, Rodrigues, JP, Roth, P, Rothmaier, F, Rott, C, Ruhe, T, Rutledge, D, Ruzybayev, B, Ryckbosch, D, Sander, HG, Santander, M, Sarkar, S, Schatto, K, Schmidt, T, Schönwald, A, Schukraft, A, Schultes, A, Schulz, O, Schunck, M, Seckel, D, Semburg, B, Seo, SH, Sestayo, Y, Seunarine, S, Silvestri, A, Slipak, A, Spiczak, GM, Spiering, C, Stamatikos, M, Stanev, T, Stephens, G, Stezelberger, T, Stokstad, RG, Stössl, A, Stoyanov, S, Strahler, EA, Straszheim, T, Stör, M, Sullivan, GW, Swillens, Q, Taavola, H, Taboada, I, Tamburro, A, Tepe, A, Ter-Antonyan, S, Tilav, S, Toale, PA, Toscano, S, Tosi, D, Turçan, D, Van Eijndhoven, N, Vandenbroucke, J, Van Overloop, A, Van Santen, J, Vehring, M, Voge, M, Walck, C, Waldenmaier, T, Wallraff, M, Walter, M, Weaver, C, Wendt, C, Westerhoff, S, Whitehorn, N, Wiebe, K, Wiebusch, CH, Williams, DR, Wischnewski, R, Wissing, H, Wolf, M, Woschnagg, K, Xu, C, Xu, XW, Yodh, G, Yoshida, S & Zarzhitsky, AP 2012, 'Time-dependent searches for point sources of neutrinos with the 40-string and 22-string configurations of icecube', Astrophysical Journal, vol. 744, n.º 1, 1. https://doi.org/10.1088/0004-637X/744/1/1

TY - JOUR

T1 - Time-dependent searches for point sources of neutrinos with the 40-string and 22-string configurations of icecube

AU - Abbasi, R.

AU - Abdou, Y.

AU - Abu-Zayyad, T.

AU - Adams, J.

AU - Aguilar, J. A.

AU - Ahlers, M.

AU - Andeen, K.

AU - Auffenberg, J.

AU - Bai, X.

AU - Baker, M.

AU - Barwick, S. W.

AU - Bay, R.

AU - Bazo Alba, J. L.

AU - Beattie, K.

AU - Beatty, J. J.

AU - Bechet, S.

AU - Becker, J. K.

AU - Becker, K. H.

AU - Benabderrahmane, M. L.

AU - Benzvi, S.

AU - Berdermann, J.

AU - Berghaus, P.

AU - Berley, D.

AU - Bernardini, E.

AU - Bertrand, D.

AU - Besson, D. Z.

AU - Bindig, D.

AU - Bissok, M.

AU - Blaufuss, E.

AU - Blumenthal, J.

AU - Boersma, D. J.

AU - Bohm, C.

AU - Bose, D.

AU - Böser, S.

AU - Botner, O.

AU - Braun, J.

AU - Brown, A. M.

AU - Buitink, S.

AU - Carson, M.

AU - Chirkin, D.

AU - Christy, B.

AU - Clem, J.

AU - Clevermann, F.

AU - Cohen, S.

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PY - 2012/1/1

Y1 - 2012/1/1

N2 - This paper presents four searches for flaring sources of neutrinos using the IceCube neutrino telescope. For the first time, a search is performed over the entire parameter space of energy, direction, and time with sensitivity to neutrino flares lasting between 20 μs and a year duration from astrophysical sources. Searches that integrate over time are less sensitive to flares because they are affected by a larger background of atmospheric neutrinos and muons that can be reduced by the use of additional timing information. Flaring sources considered here, such as active galactic nuclei, soft gamma-ray repeaters, and gamma-ray bursts, are promising candidate neutrino emitters. Two searches are "untriggered" in the sense that they look for any possible flare in the entire sky and from a predefined catalog of sources from which photon flares have been recorded. The other two searches are triggered by multi-wavelength information on flares from blazars and from a soft gamma-ray repeater. One triggered search uses lightcurves from Fermi-LAT which provides continuous monitoring. A second triggered search uses information where the flux states have been measured only for short periods of time near the flares. The untriggered searches use data taken by 40 strings of IceCube between 2008 April 5 and 2009 May 20. The triggered searches also use data taken by the 22-string configuration of IceCube operating between 2007 May 31 and 2008 April 5. The results from all four searches are compatible with a fluctuation of the background.

AB - This paper presents four searches for flaring sources of neutrinos using the IceCube neutrino telescope. For the first time, a search is performed over the entire parameter space of energy, direction, and time with sensitivity to neutrino flares lasting between 20 μs and a year duration from astrophysical sources. Searches that integrate over time are less sensitive to flares because they are affected by a larger background of atmospheric neutrinos and muons that can be reduced by the use of additional timing information. Flaring sources considered here, such as active galactic nuclei, soft gamma-ray repeaters, and gamma-ray bursts, are promising candidate neutrino emitters. Two searches are "untriggered" in the sense that they look for any possible flare in the entire sky and from a predefined catalog of sources from which photon flares have been recorded. The other two searches are triggered by multi-wavelength information on flares from blazars and from a soft gamma-ray repeater. One triggered search uses lightcurves from Fermi-LAT which provides continuous monitoring. A second triggered search uses information where the flux states have been measured only for short periods of time near the flares. The untriggered searches use data taken by 40 strings of IceCube between 2008 April 5 and 2009 May 20. The triggered searches also use data taken by the 22-string configuration of IceCube operating between 2007 May 31 and 2008 April 5. The results from all four searches are compatible with a fluctuation of the background.

KW - astroparticle physics

KW - cosmic rays

KW - neutrinos

UR - http://www.scopus.com/inward/record.url?scp=83755221047&partnerID=8YFLogxK

U2 - 10.1088/0004-637X/744/1/1

DO - 10.1088/0004-637X/744/1/1

M3 - Article

AN - SCOPUS:83755221047

SN - 0004-637X

VL - 744

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1

M1 - 1

ER -

Time-dependent searches for point sources of neutrinos with the 40-string and 22-string configurations of icecube

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