Prof Subir Sarkar: Publications

IceCube

IceCube at Oxford

I am a member since 2004 of the IceCube collaboration which discovered cosmic high energy neutrinos and identified some of their astrophysical sources.

IceCube @ Oxford

Implications of cosmic ray results for UHE neutrinos

ArXiv 0811.0375 (2008)

Abstract:

Recent measurements of the spectrum and composition of ultrahigh energy cosmic rays suggest that their extragalactic sources may be accelerating heavy nuclei in addition to protons. This can suppress the cosmogenic neutrino flux relative to the usual expectation for an all-proton composition. Cosmic neutrino detectors may therefore need to be even larger than currently planned but conversely they will also be able to provide valuable information concerning astrophysical accelerators. Moreover measurement of ultrahigh energy cosmic neutrino interactions can provide an unique probe of QCD dynamics at high parton density.

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Implications of cosmic ray results for UHE neutrinos

(2008)

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Review of particle physics

667:1-5 (2008) 1-+

Authors:

C Amsler, M Doser, M Antonelli, DA Asner, KS Babu, H Baer, HR Band, RM Barnett, E Bergren, J Beringer, G Bernardi, V Bertl, H Bichsel, O Biebel, P Bloch, E Blucher, S Blusk, RN Cahn, M Carena, C Caso, A Cecccci, D Chakraborty, MC Chen, RS Chivukula, G Cowan, O Dahl, G D'Ambrosio, T Damour, A de Gouvea, T DeGrand, B Dobrescu, A Drees, DA Edwards, S Eidelman, VD Elvira, J Erler, VV Ezhela, JL Feng, W Fetscher, BD Fields, B Foster, TK Gaisser, L Garren, HJ Gerber, G Gerbier, T Gherghetta, GF Giudice, A Goodman, C Grab, AV Gritsan, JF Grivaz, DE Groom, M Grunewald, A Gurtu, T Gutsche, HE Haber, K Hagiwara, C Hagmann, KG Hayes, JJ Hernandez-Rey, K Hikasa, I Hincliliffe, A Hocker, J Huston, P Igo-Kemenes, JD Jackson, KF Johnson, T Junk, D Karlen, B Kayser, D Kirkby, SR Klein, IG Knowles, C Kolda, RV Kowalewski, P Kreitz, B Krusche, YV Kuyanov, Y Kwon, O Lahav, P Langacker, A Liddle, Z Ligeti, CJ Lin, TM Liss, L Littenberg, JC Liu, KS Lugovsky, SB Lugovsky, H Mahlke, ML Mangano, T Mannel, AV Manohar, WJ Marciano, AD Martin, A Masoni, M Milstead, R Miquel, K Moenig, H Murayama, K Nakamura, M Narain, P Nason, S Navas, P Nevski, Y Nir, KA Olive, L Pape, C Patrignani, JA Peacock, A Piepke, G Punzi, A Quadt, S Raby, G Raffelt, BN Rateliff, B Renk, P Richardson, S Roesler, S Rolli, A Romaniouk, LJ Rosenberg, JL Rosner, CT Sachrajda, Y Sakai, S Sarkar, F Sauli, O Schneider, D Scott, WG Seligman, MH Shaevitz, T Sjostrand, JG Smith, GF Smoot, S Spanier, H Spieler, A Stahl, T Stanev, SL Stone, T Surniyoshi, M Tanabashi, J Terning, M Titov, NP Tkachenko, NA Tornqvist, D Tovey, GH Trilling, TG Trippe, G Valencia, K van Bibber, MG Vincter, P Vogel, DR Ward, T Watari, BR Vebber, G Weiglein, JD Wells, M Whalley, A Wheeler, CG Wohl, L Wolfenstein, J Womersley, CL Woody, RL Workmnan, A Yamamoto, WM Yao, OV Zenin, J Zhang, RY Zhu, PA Zyla, Particle Data Grp

Abstract:

This biennial Review summarizes much of particle physics. Using data from previous editions., plus 2778 new measurements from 645 papers, we list, evaluate, and average measured properties of gauge bosons, leptons, quarks, mesons, and baryons. We also summarize searches for hypothetical particles such as Higgs bosons, heavy neutrinos, and supersymmetric particles. All the particle properties and search limits are listed in Summary Tables. We also give numerous tables, figures, formulae, and reviews of topics such as the Standard Model, particle detectors., probability, and statistics. Among the 108 reviews are many that are new or heavily revised including those on CKM quark-mixing matrix, V-ud & V-us, V-cb & V-ub, top quark, muon anomalous magnetic moment, extra dimensions, particle detectors, cosmic background radiation, dark matter, cosmological parameters, and big bang cosmology.

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Observation of the suppression of the flux of cosmic rays above 4×1019eV

Physical Review Letters 101:6 (2008)

Authors:

J Abraham, P Abreu, M Aglietta, C Aguirre, D Allard, I Allekotte, J Allen, P Allison, J Alvarez-Muñiz, M Ambrosio, L Anchordoqui, S Andringa, A Anzalone, C Aramo, S Argirò, K Arisaka, E Armengaud, F Arneodo, F Arqueros, T Asch, H Asorey, P Assis, BS Atulugama, J Aublin, M Ave, G Avila, T Bäcker, D Badagnani, AF Barbosa, D Barnhill, SLC Barroso, B Baughman, P Bauleo, JJ Beatty, T Beau, BR Becker, KH Becker, JA Bellido, S Benzvi, C Berat, T Bergmann, P Bernardini, X Bertou, PL Biermann, P Billoir, O Blanch-Bigas, F Blanco, P Blasi, C Bleve, H Blümer, M Boháčová, C Bonifazi, R Bonino, J Brack, P Brogueira, WC Brown, P Buchholz, A Bueno, RE Burton, NG Busca, KS Caballero-Mora, B Cai, DV Camin, L Caramete, R Caruso, W Carvalho, A Castellina, O Catalano, G Cataldi, L Cazon, R Cester, J Chauvin, A Chiavassa, JA Chinellato, A Chou, J Chudoba, J Chye, PDJ Clark, RW Clay, E Colombo, R Conceição, B Connolly, F Contreras, J Coppens, A Cordier, U Cotti, S Coutu, CE Covault, A Creusot, A Criss, J Cronin, A Curutiu, S Dagoret-Campagne, K Daumiller, BR Dawson, RM De Almeida, C De Donato, SJ De Jong, G De La Vega, WJMDM Junior

Abstract:

The energy spectrum of cosmic rays above 2.5×1018eV, derived from 20000 events recorded at the Pierre Auger Observatory, is described. The spectral index γ of the particle flux, JE-γ, at energies between 4×1018eV and 4×1019eV is 2.69±0.02(stat)±0.06(syst), steepening to 4.2±0.4(stat)±0.06(syst) at higher energies. The hypothesis of a single power law is rejected with a significance greater than 6 standard deviations. The data are consistent with the prediction by Greisen and by Zatsepin and Kuz'min. © 2008 The American Physical Society.

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Erratum to “Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei” [Astroparticle Physics 29(3) (2008) 188–204]

Astroparticle Physics Elsevier 30:1 (2008) 45

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Prof Subir Sarkar

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IceCube

IceCube at Oxford

Implications of cosmic ray results for UHE neutrinos

Abstract:

Implications of cosmic ray results for UHE neutrinos

Review of particle physics

Authors:

Abstract:

Observation of the suppression of the flux of cosmic rays above 4×1019eV

Authors:

Abstract:

Erratum to “Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei” [Astroparticle Physics 29(3) (2008) 188–204]

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Prof Subir Sarkar

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IceCube

IceCube at Oxford

Implications of cosmic ray results for UHE neutrinos

Abstract:

Implications of cosmic ray results for UHE neutrinos

Review of particle physics

Authors:

Abstract:

Observation of the suppression of the flux of cosmic rays above 4×1019eV

Authors:

Abstract:

Erratum to “Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei” [Astroparticle Physics 29(3) (2008) 188–204]