A collection of recent references on neutrino astrophysics, as they appear online (see link to the arXiv)

Tuesday, November 28, 2006

New Hubble Space Telescope Discoveries of Type Ia Supernovae at z>=1: Narrowing Constraints on the Early Behavior of Dark Energy.
Adam G. Riess et al. 46455850950, Nov 2006. 82pp.
Press Release. Submitted to Astrophys.J. e-Print Archive: astro-ph/0611572
Abstract and Postscript and PDF

Dark matter sterile neutrinos in stellar collapse: Alteration of energy/lepton number transport and a mechanism for supernova explosion enhancement.
Jun Hidaka, George M. Fuller. Sep 2006. 13pp. e-Print Archive: astro-ph/0609425
Abstract and Postscript and PDF

Limits on the Radiative Decay of Sterile Neutrino Dark Matter from the Unresolved Cosmic and Soft X-ray Backgrounds.
Kevork N. Abazajian, Maxim Markevitch, Savvas M. Koushiappas, Ryan C. Hickox. UMD-PP-06-057, LA-UR-06-3820, Nov 2006. 8pp. Submitted to Phys.Rev.D e-Print Archive: astro-ph/0611144
Abstract and Postscript and PDF

Neutrino Oscillations Induced by Chiral Phase Transition in a Compact Star.
Cheng-Fu Mu, Gao-Feng Sun, Peng-Fei Zhuang. Nov 2006. 11pp. e-Print Archive: astro-ph/0611146
Abstract and Postscript and PDF

TeV gamma-rays and neutrinos from photo-disintegration of nuclei in Cygnus OB2.
Luis A. Anchordoqui , John F. Beacom, Haim Goldberg, Sergio Palomares-Ruiz, Thomas J. Weiler. Nov 2006. 19pp. e-Print Archive: astro-ph/0611581
Abstract and Postscript and PDF

Wednesday, October 11, 2006

General Upper Bound on the Dark Matter Total Annihilation Cross Section

astro-ph/0608090 [abs, ps, pdf, other] :
Title: General Upper Bound on the Dark Matter Total Annihilation Cross Section
Authors: John F. Beacom (Ohio State), Nicole F. Bell (Caltech), Gregory D. Mack (Ohio State)
Comments: 4 pages, 3 figures

Wednesday, September 27, 2006

3) Solar Model Parameters and Direct Measurements of Solar Neutrino Fluxes.
Abhijit Bandyopadhyay, Sandhya Choubey, Srubabati Goswami, S.T. Petcov . Aug 2006. 25pp. **
e-Print Archive: hep-ph/0608323

Abstract and Postscript and PDF from arXiv.org

4) Oscillations of solar atmosphere neutrinos.
G.L. Fogli, E. Lisi, A. Mirizzi, D. Montanino, P.D. Serpico . MPP-2006-92, Aug 2006. 10pp. **
e-Print Archive: hep-ph/0608321


Abstract and Postscript and PDF from arXiv.org

11) Neutrino oscillation physics at an upgraded CNGS with large next generation liquid Argon TPC detectors.
A. Meregaglia, A. Rubbia . Sep 2006. 37pp. ** Temporary entry **
e-Print Archive: hep-ph/0609106

Abstract and Postscript and PDF from arXiv.org

12) Probing long-range leptonic forces with solar and reactor neutrinos.
M C Gonzalez-Garcia, P C de Holanda, E Masso, R. Zukanovich Funchal . Sep 2006. 20pp. **
e-Print Archive: hep-ph/0609094


Abstract and Postscript and PDF from arXiv.org

7) Neutrino signals from the formation of black hole: A probe of equation of state of dense matter.
Kohsuke Sumiyoshi (Numazu Coll. Tech. & Tokyo, Astron. Observ.) , S. Yamada (Waseda U., RISE) , H. Suzuki (Sci. U., Tokyo - Noda Campus) , S. Chiba (JAERI, Tokai) . Aug 2006. 4pp.
Published in Phys.Rev.Lett.97:091101,2006
e-Print Archive: astro-ph/0608509

Abstract and Postscript and PDF from arXiv.org

8) Thermal neutrinos from pre-supernova.
Andrzej Odrzywolek, M. Misiaszek (Jagiellonian U.) , M. Kutschera (Jagiellonian U. & Cracow, INP) . Aug 2006.
e-Print Archive: astro-ph/0608492

Abstract and Postscript and PDF from arXiv.org

10) Astrophysical tau neutrino detection in kilometer-scale Cherenkov detectors via muonic tau decay.
Tyce DeYoung (Penn State U.) , S. Razzaque, D.F. Cowen (Penn State U., Astron. Astrophys.) . Aug 2006. 6pp.
e-Print Archive: astro-ph/0608486

Abstract and Postscript and PDF from arXiv.org

11) Is there a problem with low energy SN1987A neutrinos?
Maria Laura Costantini, Aldo Ianni, Giulia Pagliaroli, Francesco Vissani . Aug 2006. 8pp.
e-Print Archive: astro-ph/0608399


Abstract and Postscript and PDF from arXiv.org

12) Light Element Signatures of Sterile Neutrinos and Cosmological Lepton Numbers.
Christel J. Smith, George M. Fuller, Chad T. Kishimoto (UC, San Diego) , Kevork N. Abazajian (Los Alamos & Maryland U.) . LA-UR-06-2383, Aug 2006. 12pp.
e-Print Archive: astro-ph/0608377

Abstract and Postscript and PDF from arXiv.org

13) The impact of neutrino masses on the determination of dark energy properties.
Axel De La Macorra (UNAM, Mexico) , Alessandro Melchiorri, Paolo Serra (Rome U. & INFN, Rome) , Rachel Bean (Cornell U., Astron. Dept.) . Aug 2006. 4pp.
e-Print Archive: astro-ph/0608351

Abstract and Postscript and PDF from arXiv.org

15) Anisotropy of the Cosmic Neutrino Background.
R.J. Michney, Robert R. Caldwell (Dartmouth Coll.) . Aug 2006. 5pp.
e-Print Archive: astro-ph/0608303


Abstract and Postscript and PDF from arXiv.org

1) Assessing The Starburst Contribution to the Gamma-Ray and Neutrino Backgrounds.
Todd A. Thompson (Princeton U.) , Eliot Quataert (UC, Berkeley, Astron. Dept.) , Eli Waxman (Weizmann Inst.) , Abraham Loeb (Harvard U.) . Aug 2006. 3pp.
e-Print Archive: astro-ph/0608699


Abstract and Postscript and PDF from arXiv.org

2) Self-induced conversion in dense neutrino gases: Pendulum in flavour space.
Steen Hannestad (Aarhus U. & Munich, Max Planck Inst.) , Georg G. Raffelt (Munich, Max Planck Inst.) , Gunter Sigl (APC, Paris & Paris, Inst. Astrophys.) , Yvonne Y.Y. Wong (Munich, Max Planck Inst.) . MPP-2006-102, Aug 2006. 20pp.
e-Print Archive: astro-ph/0608695


Abstract and Postscript and PDF from arXiv.org

3) Neutrino pair annihilation near accreting, stellar-mass black holes.
R. Birkl, M.-A. Aloy, H.-Th. Janka, E. Mueller . Aug 2006. 19pp.
e-Print Archive: astro-ph/0608543

Abstract and Postscript and PDF from arXiv.org

4) The r-Process in the Proto-Neutron-Star Winds with Anisotropic Neutrino Emission.
Shinya Wanajo . Aug 2006. 8pp.
e-Print Archive: astro-ph/0608539


Abstract and Postscript and PDF from arXiv.org

On the Law of Gravity, the Mass of Neutrinos and the Proof of Dark Matter.
Garry W. Angus (St. Andrews U.) , HuanYuan Shan, HongSheng Zhao (St. Andrews U. & Beijing Observ.) , Benoit Famaey (Brussels U., IAA) . Sep 2006. 5pp.
e-Print Archive: astro-ph/0609125

Abstract and Postscript and PDF from arXiv.org

Ultrahigh Energy Neutrinos in the Mediterranean: Detecting v(tau) and v(mu) with a km**3 Telescope.
Alessandro Cuoco, G. Mangano, G. Miele (Naples U. & INFN, Naples) , S. Pastor (Valencia U.) , L. Perrone (Lecce U. & INFN, Lecce) , O. Pisanti (Naples U. & INFN, Naples) , P.D. Serpico (Munich, Max Planck Inst.) .
e-Print Archive: astro-ph/0609241

Abstract and Postscript and PDF from arXiv.org

Dark matter sterile neutrinos in stellar collapse: Alteration of energy/lepton number transport and a mechanism for supernova explosion enhancement.
Jun Hidaka, George M. Fuller (UC, San Diego) . Sep 2006. 13pp.
e-Print Archive: astro-ph/0609425

References | LaTeX(US) | LaTeX(EU) | Harvmac | BibTeX

Abstract and Postscript and PDF from arXiv.org

Coherent Development of Neutrino Flavor in the Supernova Environment.
Huaiyu Duan, George M. Fuller (UC, San Diego) , J. Carlson (Los Alamos) , Yong-Zhong Qian (Minnesota U.) . LA-UR-06-4692, Aug 2006. 4pp.
e-Print Archive: astro-ph/0608050

References | LaTeX(US) | LaTeX(EU) | Harvmac | BibTeX | Cited 2 times

Abstract and Postscript and PDF from arXiv.org

Thursday, August 17, 2006

hep-ph/0608138 [abs, ps, pdf, other] :
Title: A-term inflation and the smallness of neutrino masses
Authors: Rouzbeh Allahverdi, Alexander Kusenko, Anupam Mazumdar

astro-ph/0608017 [abs, ps, pdf, other] :
Title: Revised WMAP constraints on neutrino masses and other extensions of the minimal $\Lambda$CDM model
Authors: Jostein R. Kristiansen, Hans Kristian Eriksen, Oystein Elgaroy

astro-ph/0608313 [abs, pdf] :
Title: A new type of massive stellar death: no supernovae from two nearby long gamma ray bursts
Authors: Johan P. U. Fynbo, Darach Watson, Christina C. Thoene, Jesper Sollerman, Joshua S. Bloom, Tamara M. Davis, Jens Hjorth, Pall Jakobsson, Uffe G. Joergensen, Arnaud Cassan, José María Castro Cerón, Javier Gorosabel, Tobias C. Hinse, Brian L. Jensen, Sylvio Klose, Daniel Kocevski, Daniel Perley, Enrico Ramirez-Ruiz, Maximilian D. Stritzinger, Paul Vreeswijk, Ralph A. M. Wijers, Kristian G. Woller, Marta Zub, Dong Xu

astro-ph/0608341 [abs, ps, pdf, other] :
Title: Sensitivity of p-Process Nucleosynthesis to Nuclear Reaction Rates in a 25 Solar Mass Supernova Model
Authors: W. Rapp, J. Goerres, M. Wiescher, H. Schatz, F. Kaeppeler

Thursday, August 10, 2006

astro-ph/0608206 [abs, ps, pdf, other] :
Title: Sterile neutrinos, lepton asymmetries, primordial elements: how much of each?
Authors: Yi-Zen Chu, Marco Cirelli

Monday, August 07, 2006

hep-ph/0608060 [abs, ps, pdf, other] :
Title: Observables sensitive to absolute neutrino masses: A reappraisal after WMAP-3y and first MINOS results
Authors: G.L. Fogli, E. Lisi, A. Marrone, A. Melchiorri, A. Palazzo, P. Serra, J. Silk, A. Slosar

astro-ph/0608103 [abs, ps, pdf, other] :
Title: Relaxed constraints on neutrino oscillation parameters
Authors: Daniela P. Kirilova, Mariana P. Panayotova

astro-ph/0608130 [abs, ps, pdf, other] :
Title: Star formation rate in the solar neighborhood
Authors: Michele Cignoni

Tuesday, August 01, 2006

hep-ph/0607341 [abs, ps, pdf, other] :
Title: Neutrino emission from compact stars and inhomogeneous color superconductivity
Authors: R. Anglani, M. Mannarelli, G. Nardulli, M. Ruggieri

hep-ph/0607324 [abs, ps, pdf, other] :
Title: Determination of the Atmospheric Neutrino Fluxes from Atmospheric Neutrino Data
Authors: M.C. Gonzalez-Garcia, M. Maltoni, J. Rojo

astro-ph/0607674 [abs, ps, pdf, other] :
Title: Cosmic Supernova Rates and the Hubble Sequence
Authors: F. Calura (1), F. Matteucci

Thursday, July 27, 2006

hep-ph/0607281 [abs, ps, pdf, other] :
Title: Probing Late Neutrino Mass Properties with Supernova Neutrinos
Authors: J. Baker, H. Goldberg, G. Perez, I. Sarcevic

Wednesday, July 26, 2006

astro-ph/0607564 [abs, ps, pdf, other] :
Title: Neutrino Scattering in Heterogeneous Supernova Plasmas
Authors: O.L Caballero, C. J. Horowitz, D. K. Berry (Indiana U.)
hep-ph/0607267 [abs, ps, pdf, other] :
Title: Effects of non-standard neutrino-electron interactions on relic neutrino decoupling
Authors: Gianpiero Mangano, Gennaro Miele, Sergio Pastor, Teguayco Pinto, Ofelia Pisanti, Pasquale D. Serpico

Tuesday, July 25, 2006

astro-ph/0607527 [abs, ps, pdf, other] :
Title: Neutrino-Neutrino Interactions and Flavor Mixing in Dense Matter
Authors: A.B. Balantekin, Y. Pehlivan

astro-ph/0607521 [abs, ps, pdf, other] :
Title: Inverse Compton scattering on solar photons, heliospheric modulation, and neutrino astrophysics
Authors: Igor V. Moskalenko (Stanford), Troy A. Porter (UCSC), Seth W. Digel (SLAC)

Thursday, July 20, 2006

astro-ph/0607427 [abs, ps, pdf, other] :
Title: Astrophysical implications of high energy neutrino limits I. Overall diffuse limits
Authors: Julia K. Becker, Wolfgang Rhode, Peter L. Biermann, Kirsten Muenich

Wednesday, July 19, 2006

hep-ph/0607176 [abs, ps, pdf, other] :
Title: Spectral Distortions at Super-Kamiokande
Authors: S. Dev, Sanjeev Kumar

astro-ph/0607368 [abs, ps, pdf, other] :
Title: LS I +61 303 as a potential neutrino source on the light of MAGIC results
Authors: Diego F. Torres, Francis Halzen

astro-ph/0607403 [abs, ps, pdf, other] :
Title: Coherent Active-Sterile Neutrino Flavor Transformation in the Early Universe
Authors: Chad T. Kishimoto, George M. Fuller, Christel J. Smith

Monday, July 17, 2006

astro-ph/0607315 [abs, ps, pdf, other] :
Title: Cosmological Information from Lensed CMB Power Spectra
Authors: Kendrick M. Smith, Wayne Hu (KICP, UChicago), Manoj Kaplinghat (UC Irvine)

astro-ph/0607316 [abs, ps, pdf, other] :
Title: Supernovae, Lensed CMB and Dark Energy
Authors: Wayne Hu, Dragan Huterer, Kendrick M. Smith (KICP, UChicago)

Friday, July 14, 2006

astro-ph/0607281 [abs, ps, pdf, other] :
Title: A Numerical Algorithm for Modeling Multigroup Neutrino-Radiation Hydrodynamics in Two Spatial Dimensions
Authors: F. Douglas Swesty, Eric S. Myra

astro-ph/0607286 [abs, ps, pdf, other] :
Title: Potential Neutrino Signals from Galactic Gamma-Ray Sources
Authors: Alexander Kappes , Jim Hinton , Christian Stegmann , Felix A. Aharonian

Thursday, July 13, 2006

astro-ph/0607244 [abs, ps, pdf, other] :
Title: Neutrino signatures of supernova turbulence
Authors: Alexander Friedland, Andrei Gruzinov

astro-ph/0607249 [abs, ps, pdf, other] :
Title: Neutrinos from galactic sources of cosmic rays with known gamma-ray spectra
Authors: Francesco Vissani

Wednesday, July 12, 2006

astro-ph/0607224 [abs, ps, pdf, other] :
Title: Gravitational Radiation from Standing Accretion Shock Instability in Core-Collapse Supernovae
Authors: Kei Kotake, Naofumi Ohnishi, Shoichi Yamada

astro-ph/0607233 [abs, ps, pdf, other] :
Title: Limits on the high-energy gamma and neutrino fluxes from the SGR 1806-20 giant flare of December 27th, 2004 with the AMANDA-II detector
Authors: The IceCube Collaboration
hep-ph/0607109 [abs, ps, pdf, other] :
Title: Probing Dark Energy via Neutrino & Supernova Observatories
Authors: Lawrence J. Hall, Hitoshi Murayama, Michele Papucci, Gilad Perez

hep-ex/0607010 [abs, ps, pdf, other] :
Title: A Search for Neutrinos from the Solar hep Reaction and the Diffuse Supernova Neutrino Background with the Sudbury Neutrino Observatory
Authors: The SNO Collaboration

Tuesday, July 11, 2006

astro-ph/0607197 [abs, ps, pdf, other] :
Title: Are Diffuse High Energy Neutrinos from Starburst Galaxies Observable?
Authors: F.W. Stecker

hep-ph/0607086 [abs, ps, pdf, other] :
Title: Determining Supersymmetric Parameters With Dark Matter Experiments
Authors: Dan Hooper, Andrew M. Taylor
hep-ph/0607095 [abs, ps, pdf, other] :
Title: Far Field Monitoring of Rogue Nuclear Activity with an Array of Large anti-neutrino Detectors
Authors: Eugene Guillian

Monday, July 10, 2006

astro-ph/0607145 [abs, ps, pdf, other] :
Title: Neutrino-Cooled Accretion Disks around Spinning Black Hole
Authors: Wen-Xin Chen, Andrei M. Beloborodov

astro-ph/0607143 [abs, ps, pdf, other] :
Title: The beginning of the star formation epoch
Authors: F. Mannucci, H. Buttery, R. Maiolino, A. Marconi, L. Pozzetti

Friday, July 07, 2006

hep-ph/0606311 [abs, ps, pdf, other] :
Title: Ultra high energy neutrino-nucleon cross section from cosmic ray experiments and neutrino telescopes
Authors: V. Barger, Patrick Huber, Danny Marfatia

astro-ph/0607104 [abs, ps, pdf, other] :
Title: High Energy Neutrinos and Cosmic-Rays from Low-Luminosity Gamma-Ray Bursts?
Authors: Kohta Murase, Kunihito Ioka, Shigehiro Nagataki, Takashi Nakamura

astro-ph/0607101 [abs, ps, pdf, other] :
Title: Neutrino masses and cosmic radiation density: Combined analysis
Authors: Steen Hannestad , Georg G.Raffelt

astro-ph/0607086 [abs, ps, pdf, other] :
Title: Cosmology of neutrinos and extra light particles after WMAP3
Authors: Marco Cirelli Alessandro Strumia

Thursday, July 06, 2006

astro-ph/0607082 [abs, ps, pdf, other] :
Title: Guaranteed and Prospective Galactic TeV Neutrino Sources
Authors: Matthew D. Kistler, John F. Beacom

Wednesday, July 05, 2006

astro-ph/0607030 [abs, ps, pdf, other] :
Title: Snapping Supernovae at z>1.7
Authors: Greg Aldering, Alex G. Kim, Marek Kowalski, Eric V. Linder, Saul Perlmutter

Thursday, June 29, 2006

astro-ph/0606653 [abs, ps, pdf, other] :
Title: Neutrino emission due to Cooper pairing in neutron stars
Authors: L.B. Leinson, A. Perez
astro-ph/0606651 [abs, ps, pdf, other] :
Title: Vector current conservation and neutrino emission from singlet-paired baryons in neutron stars
Authors: L.B. Leinson, A. Perez
astro-ph/0606616 [abs, ps, pdf, other] :
Title: Simulation of Coherent Non-Linear Neutrino Flavor Transformation in the Supernova Environment I: Correlated Neutrino Trajectories
Authors: Huaiyu Duan (UCSD), George M. Fuller (UCSD), J Carlson (LANL), Yong-Zhong Qian (UMN)
astro-ph/0606607 [abs, ps, pdf, other] :
Title: Stellar Collapse Dynamics With Neutrino Flavor Changing Neutral Currents
Authors: Philip S. Amanik, George M. Fuller

astro-ph/0606316 [abs, ps, pdf, other] :
Title: Probing Neutrino Dark Energy with Extremely High-Energy Cosmic Neutrinos
Authors: Andreas Ringwald (DESY), Lily Schrempp (DESY)

Monday, June 26, 2006

astro-ph/0606575 [abs, ps, pdf, other] :
Title: Neutrino-Accelerated Hot Hydrogen Burning
Authors: Chad T. Kishimoto, George M. Fuller
astro-ph/0606413 [abs, ps, pdf, other] :
Title: High energy neutrino astronomy using upward-going muons in Super-Kamiokande-I
Authors: K. Abe et al. (The Super-Kamiokande Collaboration)

astro-ph/0606504 [abs, ps, pdf, other] :
Title: Standing Accretion Shocks in the Supernova Core: Effects of Convection and Realistic EOS
Authors: Tatsuya Yamasaki, Shoichi Yamada

astro-ph/0606450 [abs, ps, pdf, other] :
Title: Supernova Fallback: A Possible Site for the r-Process
Authors: Chris L. Fryer, Falk Herwig, Aimee Hungerford, Frank Timmes

hep-ph/0606248 [abs, ps, pdf, other] :
Title: Model Independent Bounds on Magnetic Moments of Majorana Neutrinos
Authors: Nicole F. Bell, Mikhail Gorchtein, Michael J. Ramsey-Musolf, Petr Vogel, Peng Wang
astro-ph/0606406 [abs, ps, pdf, other] :
Title: High energy neutrino yields from astrophysical sources I: Weakly magnetized sources
Authors: M. Kachelriess, R. Tomas

Thursday, June 08, 2006

astro-ph/0606126 [abs, ps, pdf, other] :
Title: Search for Diffuse Astrophysical Neutrino Flux Using Ultra-High Energy Upward-Going Muons in Super-Kamiokande I
Authors: The Super-Kamiokande Collaboration

Tuesday, May 23, 2006

astro-ph/0605327 [abs, ps, pdf, other] :
Title: Cosmogenic Neutrinos from the propagation of Ultra High Energy Nuclei
Authors: D. Allard, M. Ave, N. Busca, M. A. Malkan, A. V. Olinto, E. Parizot, F. W. Stecker, T. Yamamoto

hep-ph/0605219 [abs, ps, pdf, other] :
Title: Neutrino Telescopes as a Probe of Broken $\mu$-$\tau$ Symmetry
Authors: Zhi-zhong Xing

Monday, May 22, 2006

astro-ph/0605480 [abs, ps, pdf, other] :
Title: Limits on the Transient Ultra-High Energy Neutrino Flux from Gamma-Ray Bursts (GRB) Derived from RICE Data
Authors: S. Hussain, S. Razzaque, et al

astro-ph/0605493 [abs, ps, pdf, other] :
Title: A New Mechanism for Gravitational Wave Emission in Core-Collapse Supernovae
Authors: Christian D. Ott (1), Adam Burrows (2), Luc Dessart (2), Eli Livne (3)

hep-ph/0605209 [abs, ps, pdf, other] :
Title: On the hadronic contribution to sterile neutrino production
Authors: Takehiko Asaka, Mikko Laine, Mikhail Shaposhnikov

Thursday, May 18, 2006

astro-ph/0605362 [abs, ps, pdf, other] :
Title: Limit on the Neutrino Mass from the WMAP Three Year Data
Authors: Masataka Fukugita, Kazuhide Ichikawa, Masahiro Kawasaki, Ofer Lahav

astro-ph/0605424 [abs, ps, pdf, other] :
Title: Direct X-ray Constraints on Sterile Neutrino Warm Dark Matter
Authors: Casey R. Watson, John F. Beacom, Hasan Yuksel, Terry P. Walker

astro-ph/0605354 [abs, ps, pdf, other] :
Title: Cosmological Neutrino Entanglement and Quantum Pressure
Authors: Daniel Pfenniger, Veruska Muccione
hep-ph/0605180 [abs, ps, pdf, other] :
Title: Common Origin of Neutrino Mass, Dark Matter, and Baryogenesis
Authors: Ernest Ma

Friday, May 12, 2006

astro-ph/0605281 [abs, ps, pdf, other] :
Title: Supernova Neutrinos: The Accretion Disk Scenario
Authors: G. C. McLaughlin, R. Surman
astro-ph/0605271 [abs, ps, pdf, other] :
Title: Constraints on Sterile Neutrino Dark Matter
Authors: Kevork Abazajian, Savvas M. Koushiappas
hep-ph/0605086 [abs, ps, pdf, other] :
Title: Probing low-x QCD with ultra-high energy cosmic neutrinos at Auger
Authors: Luis A. Anchordoqui, Amanda M. Cooper-Sarkar, Dan Hooper, Subir Sarkar