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IR limits, pregalactic stars, neutrino decay and quantum gravity

Astroparticle Physics 11:1-2 (1999) 103-109

Abstract:

The results of recent studies which seek to probe fundamental aspects of astrophysics using TeV gamma-ray observations of active galactic nuclei (AGN) are presented. These analyses take advantage of both spectral and temporal information together with the unique combination of the very high energies and large distance scales involved. The next generation of instruments currently planned are expected to make substantial improvements in the study of such phenomena. © 1999 Elsevier Science B.V. All rights reserved.
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Limits to quantum gravity effects on energy dependence of the speed of light from observations of tev flares in active galaxies

Physical Review Letters 83:11 (1999) 2108-2111

Authors:

SD Biller, AC Breslin, J Buckley, M Catanese, M Carson, DA Carter-Lewis, MF Cawley, DJ Fegan, J Finley, JA Gaidos, AM Hillas, F Krennrich, RC Lamb, R Lessard, C Masterson, JE Mc Enery, B Mc Kernan, P Moriarty, J Quinn, HJ Rose, F Samuelson, G Sembroski, P Skelton, TC Weekes

Abstract:

We have used data from a TeV gamma-ray flare associated with the active galaxy Markarian 421 to place bounds on the possible energy dependence of the speed of light in the context of an effective quantum gravitational energy scale. Recent theoretical work suggests that such an energy scale could be less than the Planck mass and perhaps as low as 10^16 GeV. The limits derived here indicate this energy scale to be in excess of 4×106 GeV for at least one approach to quantum gravity in the context of D-brane string theory. To the best of our knowledge this constitutes the first convincing limit on such phenomena in this energy regime. © 1999 The American Physical Society.
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Kinematics of t(t)over-bar events at CDF -: art. no. 092001

PHYSICAL REVIEW D 59:9 (1999) ARTN 092001

Authors:

F Abe, H Akimoto, A Akopian, MG Albrow, A Amadon, SR Amendolia, D Amidei, J Antos, S Aota, G Apollinari, T Arisawa, T Asakawa, W Ashmanskas, M Atac, P Azzi-Bacchetta, N Bacchetta, S Bagdasarov, MW Bailey, P de Barbaro, A Barbaro-Galtieri, VE Barnes, BA Barnett, M Barone, G Bauer, T Baumann, F Bedeschi, S Behrends, S Belforte, G Bellettini, J Bellinger, D Benjamin, J Bensinger, A Beretvas, JP Berge, J Berryhill, S Bertolucci, S Bettelli, B Bevensee, A Bhatti, K Biery, C Bigongiari, M Binkley, D Bisello, RE Blair, C Blocker, K Bloom, S Blusk, A Bodek, W Bikhari, G Bolla, Y Bonushkin, D Bortoletto, J Boudreau, L Breccia, C Bromberg, N Bruner, R Brunetti, E Buckley-Geer, HS Budd, K Burkett, G Busetto, A Byon-Wagner, KL Byrum, M Campbell, A Caner, W Carithers, D Carlsmith, J Cassada, A Castro, D Cauz, A Cerri, PS Chang, PT Chang, HY Chao, J Chapman, MT Cheng, M Chertok, G Chiarelli, CN Chiou, F Chlebana, L Christofek, R Cropp, ML Chu, S Cihangir, AG Clark, M Cobal, E Cocca, M Contreras, J Conway, J Cooper, M Cordelli, D Costanzo, C Couyoumtzelis, D Cronin-Hennessy, R Culbertson, D Dagenhart, T Daniels, F DeJongh, S Dell'Agnello, M Dell'Orso, R Demina, L Demortier, M Deninno, PF Derwent, T Devlin, JR Dittmann, S Donati, J Done, T Dorigo, N Eddy, K Einsweiler, JE Elias, R Ely, E Engels, W Erdmann, D Errede, S Errede, Q Fan, RG Feild, Z Feng, C Ferretti, I Fiori, B Flaugher, GW Foster, M Franklin, J Freeman, J Friedman, H Frisch, Y Fukui, S Gadomski, S Galeotti, M Gallinaro, O Ganel, M Garcia-Sciveres, AF Garfinkel, C Gay, S Geer, DW Gerdes, P Giannetti, N Giokaris, P Giromini, G Giusti, M Gold, A Gordon, AT Goshaw, Y Gotra, K Goulianos, H Grassmann, C Green, L Groer, C Grosso-Pilcher, G Guillian, JG da Costa, RS Guo, C Haber, E Hafen, SR Hahn, R Hamilton, T Handa, R Handler, W Hao, F Happacher, K Hara, AD Hardman, RM Harris, F Hartmann, J Hausser, E Hayashi, J Heinrich, A Heiss, B Hinrichsen, KD Hoffman, C Holck, R Hollebeek, L Holloway, Z Huang, BT Huffman, R Hughes, J Huston, J Huth, H Ikeda, M Incagli, J Incandela, G Introzzi, J Iwai, Y Iwata, E James, H Jensen, U Joshi, E Kajfasz, H Kambara, T Kamon, T Kaneko, K Karr, H Kasha, Y Kato, TA Keaffaber, K Kelley, RD Kennedy, R Kephart, D Kestenbaum, D Khazins, T Kikuchi, BJ Kim, HS Kim, SH Kim, YK Kim, L Kirsch, S Klimenko, D Knoblauch, P Koehn, A Köngeter, K Kondo, J Konigsberg, K Kordas, A Korytov, E Kovacs, W Kowald, J Kroll, M Kruse, SE Kuhlmann, E Kuns, K Kurino, T Kuwabara, AT Laasanen, S Lami, S Lammel, JI Lamoureux, M Lancaster, M Lanzoni, G Latino, T LeCompte, S Leone, JD Lewis, M Lindgren, TM Liss, JB Liu, YC Liu, N Lockyer, O Long, M Loreti, D Lucchesi, P Lukens, S Lusin, J Lys, K Maeshima, P Maksimovic, M Mangano, M Mariotti, JP Marriner, G Martignon, A Martin, JAJ Matthews, P Mazzanti, K McFarland, P McIntyre, P Melese, M Menguzzato, A Menzione, E Meschi, S Metzler, C Miao, T Miao, G Michail, R Miller, H Minato, S Miscetti, M Mishina, S Miyashita, N Moggi, E Moore, Y Morita, A Mukherjee, T Muller, A Munar, P Murat, S Murgia, M Musy, H Nakada, T Nakaya, I Nakano, C Nelson, D Neuberger, C Newman-Holmes, CYP Ngan, L Nodulman, A Nomerotski, SH Oh, T Ohmoto, T Ohsugi, R Oishi, M Okabe, T Okusawa, J Olsen, C Pagliarone, R Paoletti, V Papadimitriou, SP Pappas, N Parashar, A Parri, J Patrick, G Pauletta, M Paulini, A Perazzo, L Pescara, MD Peters, TJ Phillips, G Piacentino, M Pillai, KT Pitts, R Plunkett, A Pompos, L Pondrom, J Proudfoot, F Ptohos, G Punzi, K Ragan, D Reher, M Reischl, A Ribon, F Rimondi, L Ristori, WJ Robertson, A Robinson, T Rodrigo, S Rolli, L Rosenson, R Roser, T Saab, WK Sakumoto, D Saltzberg, A Sansoni, L Santi, H Sato, P Schlabach, EE Schmidt, MP Schmidt, A Scott, A Scribano, S Segler, S Seidel, Y Seiya, F Semeria, T Shah, MD Shapiro, NM Shaw, PF Shepard, T Shibayama, M Shimojima, M Shochet, J Siegrist, A Sill, P Sinervo, P Singh, K Sliwa, C Smith, FD Snider, J Spalding, T Speer, P Sphicas, F Spinella, M Spiropulu, L Spiegel, L Stanco, J Steele, A Stefanini, R Ströhmer, J Strologas, F Strumia, D Stuart, K Sumorok, J Suzuki, T Suzuki, T Takahashi, T Takano, R Takashima, K Takikawa, M Tanaka, B Tannenbaum, F Tartarelli, W Taylor, M Tecchio, PK Teng, Y Teramoto, K Terashi, S Tether, D Theriot, TL Thomas, R Thurman-Keup, M Timko, P Tipton, A Titov, S Tkaczyk, D Toback, K Tollefson, A Tollestrup, H Toyoda, W Trischuk, JF de Troconiz, S Truitt, J Tseng, N Turini, T Uchida, F Ukegawa, J Valls, SC van den Brink, S Vejcik, G Velev, I Volobouev, R Vidal, R Vilar, D Vucinic, RG Wagner, RL Wagner, J Wahl, NB Wallace, AM Walsh, C Wang, CH Wang, MJ Wang, A Warburton, T Watanabe, T Watts, R Webb, C Wei, H Wenzel, WC Wester, AB Wicklund, E Wicklund, R Wilkinson, HH Williams, P Wilson, BL Winer, D Winn, D Wolinski, J Wolinski, S Worm, X Wu, J Wyss, A Yagil, W Yao, K Yasuoka, GP Yeh, P Yeh, J Yoh, C Yosef, T Yoshida, I Yu, A Zanetti, F Zetti, S Zucchelli
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Measurement of b quark fragmentation fractions in the production of strange and light B mesons in p(p)over-bar collisions at √s=1.8 TeV -: art. no. 092005

PHYSICAL REVIEW D 60:9 (1999) ARTN 092005

Authors:

F Abe, H Akimoto, A Akopian, MG Albrow, SR Amendolia, D Amidei, J Antos, S Aota, G Apollinari, T Arisawa, T Asakawa, W Ashmanskas, M Atac, P Azzi-Bacchetta, N Bacchetta, S Bagdasarov, MW Bailey, P de Barbaro, A Barbaro-Galtieri, VE Barnes, BA Barnett, M Barone, G Bauer, T Baumann, F Bedeschi, S Behrends, S Belforte, G Bellettini, J Bellinger, D Benjamin, J Bensinger, A Beretvas, JP Berge, J Berryhill, S Bertolucci, S Bettelli, B Bevensee, A Bhatti, K Biery, C Bigongiari, M Binkley, D Bisello, RE Blair, C Blocker, K Bloom, S Blusk, A Bodek, U Bokhari, G Bolla, Y Bonushkin, D Bortoletto, J Boudreau, A Brandl, L Breccia, C Bromberg, N Bruner, R Brunetti, E Buckley-Geer, HS Budd, K Burkett, G Busetto, A Byon-Wagner, KL Byrum, M Campbell, A Caner, W Carithers, D Carlsmith, J Cassada, A Castro, D Cauz, A Cerri, PS Chang, PT Chang, HY Chao, J Chapman, MT Cheng, M Chertok, G Chiarelli, CN Chiou, F Chlebana, L Christofek, ML Chiu, S Cihangir, AG Clark, M Cobal, E Cocca, M Contreras, J Conway, J Cooper, M Cordelli, D Costanzo, C Couyoumtzelis, D Cronin-Hennessy, R Cropp, R Culbertson, D Dagenhart, T Daniels, F DeJongh, S Dell'Agnello, M Dell'Orso, R Demina, L Demortier, M Deninno, PF Derwent, T Devlin, JR Dittmann, S Donati, J Done, T Dorigo, N Eddy, K Einsweiler, JE Elias, R Ely, E Engels, W Erdmann, D Errede, S Errede, Q Fan, RG Feild, Z Feng, C Ferretti, I Fiori, B Flaugher, GW Foster, M Franklin, J Freeman, J Friedman, Y Fukui, S Gadomski, S Galeotti, M Gallinaro, O Ganel, M Garcia-Sciveres, AF Garfinkel, C Gay, S Geer, DW Gerdes, P Giannetti, N Giokaris, P Giromini, G Giusti, M Gold, A Gordon, AT Goshaw, Y Gotra, K Goulianos, H Grassmann, C Green, L Groer, C Grosso-Pilcher, G Guillian, JG da Costa, RS Guo, C Haber, E Hafen, SR Hahn, R Hamilton, T Handa, R Handler, U Hao, F Happacher, K Hara, AD Hardman, RM Harris, F Hartmann, J Hauser, E Hayashi, J Heinrich, A Heiss, B Hinrichsen, KD Hoffman, C Holck, R Hollebeek, L Holloway, Z Huang, BT Huffman, R Hughes, J Huston, J Huth, H Ikeda, M Incagli, J Incandela, G Introzzi, J Iwai, Y Iwata, E James, H Jensen, U Joshi, E Kajfasz, H Kambara, T Kamon, T Kaneko, K Karr, H Kasha, Y Kato, TA Keaffaber, K Kelley, M Kelly, RD Kennedy, R Kephart, D Kestenbaum, D Khazins, T Kiuchi, M Kirk, BJ Kim, HS Kim, SH Kim, YK Kim, L Kirsch, S Klimenko, D Knoblauch, P Koehn, A Köngeter, K Kondo, J Konigsberg, K Kordas, A Korytov, E Kovacs, W Kowald, J Kroll, M Kruse, SE Kuhlmann, E Kuns, K Kurino, T Kuwabara, AT Laasanen, S Lami, S Lammel, JI Lamoureux, M Lancaster, M Lanzoni, G Latino, T LeCompte, S Leone, JD Lewis, M Lindgren, TM Liss, JB Liu, YC Liu, N Lockyer, O Long, M Loreti, D Lucchesi, P Lukens, S Lusin, J Lys, K Maeshima, P Maksimovic, M Mangano, M Mariotti, JP Marriner, G Martignon, A Martin, JAJ Matthews, P Mazzanti, K McFarland, P McIntyre, P Melese, M Menguzzato, A Menzione, E Meschi, S Metzler, C Miao, T Miao, G Michail, R Miller, H Minato, S Miscetti, M Mishina, S Miyashita, N Moggi, E Moore, Y Morita, A Mukherjee, T Muller, A Munar, P Murat, S Murgia, M Musy, H Nakada, T Nakaya, I Nakano, C Nelson, D Neuberger, C Newman-Holmes, CYP Ngan, H Niu, L Nodulman, A Nomerotski, SH Oh, T Ohmoto, T Ohsugi, R Oishi, M Okabe, T Okusawa, J Olsen, C Pagliarone, R Paoletti, V Papadimitriou, SP Pappas, R Parashar, A Parri, D Partos, J Patrick, G Pauletta, M Paulini, A Perazzo, L Pescara, MD Peters, TJ Phillips, G Piacentino, M Pillai, KT Pitts, R Plunkett, A Pompos, L Pondrom, J Proudfoot, F Ptohos, G Punzi, K Ragan, D Reher, A Ribon, F Rimondi, L Ristori, WJ Robertson, A Robinson, T Rodrigo, S Rolli, L Rosenson, R Roser, T Saab, WK Sakumoto, D Saltzberg, A Sansoni, L Santi, H Sato, P Schlabach, EE Schmidt, MP Schmidt, A Scott, A Scribano, S Segler, S Seidel, Y Seiya, F Semeria, T Shah, MD Shapiro, NM Shaw, PF Shepard, T Shibayama, M Shimojima, M Shochet, J Siegrist, A Sill, P Sinervo, P Singh, K Sliwa, C Smith, FD Snider, J Spalding, T Speer, P Sphicas, F Spinella, M Spiropulu, L Spiegel, L Stanco, J Steele, A Stefanini, R Ströhmer, J Strologas, F Strumia, D Stuart, K Sumorok, J Suzuki, T Suzuki, T Takahashi, T Takano, R Takashima, K Takikawa, M Tanaka, B Tannenbaum, F Tartarelli, W Taylor, M Tecchio, PK Teng, Y Teramoto, K Terashi, S Tether, D Theriot, TL Thomas, R Thurman-Keup, M Timko, P Tipton, A Titov, S Tkaczyk, D Toback, K Tollefson, A Tollestrup, H Toyoda, W Trischuk, JF de Troconiz, S Truitt, J Tseng, N Turini, T Uchida, F Ukegawa, J Valls, SC van den Brink, S Vejcik, G Velev, R Vidal, R Vilar, I Vologouev, D Vucinic, RG Wagner, RL Wagner, J Wahl, NB Wallace, AM Walsh, C Wang, CH Wang, MJ Wang, A Warburton, T Watanabe, T Watts, R Webb, C Wei, H Wenzel, WC Wester, AB Wicklund, E Wicklund, R Wilkinson, HH Williams, P Wilson, BL Winer, D Winn, D Wolinski, J Wolinski, S Worm, X Wu, J Wyss, A Yagil, W Yao, K Yasuoka, GP Yeh, P Yeh, J Yoh, C Yosef, T Yoshida, I Yu, A Zanetti, F Zetti, S Zucchelli
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Measurement of B0-(B)over-bar0 flavor oscillations using jet-charge and lepton flavor tagging in p(p)over-bar collisions at √s=1.8 TeV -: art. no. 072003

PHYSICAL REVIEW D 60:7 (1999) ARTN 072003

Authors:

F Abe, H Akimoto, A Akopian, MG Albrow, SR Amendolia, D Amidei, J Antos, S Aota, G Apollinari, T Arisawa, T Asakawa, W Ashmanskas, M Atac, P Azzi-Bacchetta, N Bacchetta, S Bagdasarov, MW Bailey, P de Barbaro, A Barbaro-Galtieri, VE Barnes, BA Barnett, M Barone, G Bauer, T Baumann, F Bedeschi, S Behrends, S Belforte, G Bellettini, J Bellinger, D Benjamin, J Bensinger, A Beretvas, JP Berge, J Berryhill, S Bertolucci, S Bettelli, B Bevensee, A Bhatti, K Biery, C Bigongiari, M Binkley, D Bisello, RE Blair, C Blocker, K Bloom, S Blusk, A Bodek, W Bokhari, G Bolla, Y Bonushkin, D Bortoletto, J Boudreau, A Brandl, L Breccia, C Bromberg, N Bruner, R Brunetti, E Buckley-Geer, HS Budd, K Burkett, G Busetto, A Byon-Wagner, KL Byrum, M Campbell, A Caner, W Carithers, D Carlsmith, J Cassada, A Castro, D Cauz, A Cerri, PS Chang, PT Chang, HY Chao, J Chapman, MT Cheng, M Chertok, G Chiarelli, CN Chiou, F Chlebana, L Christofek, ML Chu, S Cihangir, AG Clark, M Cobal, E Cocca, M Contreras, J Conway, J Cooper, M Cordelli, D Costanzo, C Couyoumtzelis, D Cronin-Hennessy, R Cropp, R Culbertson, D Dagenhart, T Daniels, F DeJongh, S Dell'Agnello, M Dell'Orso, R Demina, L Demortier, M Deninno, PF Derwent, T Devlin, JR Dittmann, S Donati, J Done, T Dorigo, N Eddy, K Einsweiler, JE Elias, R Ely, E Engels, W Erdmann, D Errede, S Errede, Q Fan, RG Feild, Z Feng, C Ferretti, I Fiori, B Flaugher, GW Foster, M Franklin, J Freeman, J Friedman, Y Fukui, S Gadomski, S Galeotti, M Gallinaro, O Ganel, M Garcia-Sciveres, AF Garfinkel, C Gay, S Geer, DW Gerdes, P Giannetti, N Giokaris, P Giromini, G Giusti, M Gold, A Gordon, AT Goshaw, Y Gotra, K Goulianos, H Grassmann, C Green, L Groer, C Grosso-Pilcher, G Guillian, JG da Costa, RS Guo, C Haber, E Hafen, SR Hahn, R Hamilton, T Handa, R Handler, W Hao, F Happacher, K Hara, AD Hardman, RM Harris, F Hartmann, J Hauser, E Hayashi, J Heinrich, A Heiss, B Hinrichsen, KD Hoffman, C Holck, R Hollebeek, L Holloway, Z Huang, BT Huffman, R Hughes, J Huston, J Huth, H Ikeda, M Incagli, J Incandela, G Introzzi, J Iwai, Y Iwata, E James, H Jensen, U Joshi, E Kajfasz, H Kambara, T Kamon, T Kaneko, K Karr, H Kasha, Y Kato, TA Keaffaber, K Kelley, M Kelly, RD Kennedy, R Kephart, D Kestenbaum, D Khazins, T Kikuchi, M Kirk, BJ Kim, HS Kim, SH Kim, YK Kim, L Kirsch, S Klimenko, D Knoblauch, P Koehn, A Köngeter, K Kondo, J Konigsberg, K Kordas, A Korytov, E Kovacs, W Kowald, J Kroll, M Kruse, SE Kuhlmann, E Kuns, K Kurino, T Kuwabara, AT Laasanen, S Lami, S Lammel, JI Lamoureux, M Lancaster, M Lanzoni, G Latino, T LeCompte, AMIV Lee, S Leone, JD Lewis, M Lindgren, TM Liss, JB Liu, YC Liu, N Lockyer, O Long, M Loreti, D Lucchesi, P Lukens, S Lusin, J Lys, K Maeshima, P Maksimovic, M Mangano, M Mariotti, JP Marriner, G Martignon, A Martin, JAJ Matthews, P Mazzanti, K McFarland, P McIntyre, P Melese, M Menguzzato, A Menzione, E Meschi, S Metzler, C Miao, T Miao, G Michail, R Miller, H Minato, S Miscetti, M Mishina, S Miyashita, N Moggi, E Moore, Y Morita, A Mukherjee, T Muller, A Munar, P Murat, S Murgia, M Musy, H Nakada, T Nakaya, I Nakano, C Nelson, D Neuberger, C Newman-Holmes, CYP Ngan, H Niu, L Nodulman, A Nomerotski, SH Oh, T Ohmoto, T Ohsugi, R Oishi, M Okabe, T Okusawa, J Olsen, C Pagliarone, R Paoletti, V Papadimitriou, SP Pappas, N Parashar, A Parri, D Partos, J Patrick, G Pauletta, M Paulini, A Perazzo, L Pescara, MD Peters, TJ Phillips, G Piacentino, M Pillai, KT Pitts, R Plunkett, A Pompos, L Pondrom, J Proudfoot, F Ptohos, G Punzi, K Ragan, D Reher, A Ribon, F Rimondi, L Ristori, WJ Robertson, A Robinson, T Rodrigo, S Rolli, L Rosenson, R Roser, T Saab, WK Sakumoto, D Saltzberg, A Sansoni, L Santi, H Sato, P Schlabach, EE Schmidt, MP Schmidt, A Scott, A Scribano, S Segler, S Seidel, Y Seiya, F Semeria, T Shah, MD Shapiro, NM Shaw, PF Shepard, T Shibayama, M Shimojima, M Shochet, J Siegrist, A Sill, P Sinervo, P Singh, K Sliwa, C Smith, FD Snider, J Spalding, T Speer, P Sphicas, F Spinella, M Spiropulu, L Spiegel, L Stanco, J Steele, A Stefanini, R Ströhmer, J Strologas, F Strumia, D Stuart, K Sumorok, J Suzuki, T Suzuki, T Takahashi, T Takano, R Takashima, K Takikawa, M Tanaka, B Tannenbaum, F Tartarelli, W Taylor, M Tecchio, PK Teng, Y Teramoto, K Terashi, S Tether, D Theriot, TL Thomas, R Thurman-Keup, M Timko, P Tipton, A Titov, S Tkaczyk, D Toback, K Tollefson, A Tollestrup, H Toyoda, W Trischuk, JF de Troconiz, S Truitt, J Tseng, N Turini, T Uchida, F Ukegawa, J Valls, SC van den Brink, S Vejcik, G Velev, R Vidal, R Vilar, I Vologouev, D Vucinic, RG Wagner, RL Wagner, J Wahl, NB Wallace, AM Walsh, C Wang, CH Wang, MJ Wang, A Warburton, T Watanabe, T Watts, R Webb, C Wei, H Wenzel, WC Wester, AB Wicklund, E Wicklund, R Wilkinson, HH Williams, P Wilson, BL Winer, D Winn, D Wolinski, J Wolinski, S Worm, X Wu, J Wyss, A Yagil, W Yao, K Yasuoka, GP Yeh, P Yeh, J Yoh, C Yosef, T Yoshida, I Yu, A Zanetti, F Zetti, S Zucchelli
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