Search results

The URL for this search is http://lanl.arXiv.org/find/astro-ph/1/au:+rocha_g/0/1/0/past,all/0/1

Showing results 1 through 16 (of 16 total) for au=rocha_g

1. astro-ph/0205155 [abs, ps, pdf, other] :

Title: Topology of the universe from COBE-DMR; a wavelet approach
Authors: G. Rocha (Cambridge, CAUP), L. Cayon (Santander), R. Bowen (Oxford), A. Canavezes (Cambridge, CAUP), J. Silk (Oxford), A. J. Banday (MPA), K. M. Gorski (ESO, Warsaw)
Comments: 10 pages, 13 figures (12 coloured), submitted to MNRAS. Figures 1,2 and 3 are not included but a complete version of the paper with high resolution figures can be downloaded from (this http URL)

2. astro-ph/0203149 [abs, ps, pdf, other] :

Title: Measuring $\alpha$ in the Early Universe: CMB Temperature, Large-Scale Structure and Fisher Matrix Analysis
Authors: C.J.A.P. Martins (CAUP, Cambridge, IAP), A. Melchiorri (Oxford), R. Trotta (Geneva), R. Bean (Imperial College), G. Rocha (Cambridge), P.P. Avelino (CAUP), P.T.P. Viana (CAUP)
Comments: 11 pages in RevTex4 format. Low-quality figures to comply with arXiv restrictions (better ones available from the authors). v2: Updated Oklo discussion, plus other cosmetic changes. Version to appear in Phys Rev D

3. astro-ph/0102144 [abs, ps, pdf, other] :

Title: Early-universe constraints on a time-varying fine structure constant
Authors: P.P. Avelino, S. Esposito, G. Mangano, C.J.A.P. Martins, A. Melchiorri, G. Miele, O. Pisanti, G. Rocha, P.T.P. Viana
Comments: 5 pages, 1 figure, minor misprints corrected, references added. The analysis has been updated using new BOOMERanG and DASI data on CMB anisotropy
Journal-ref: Phys.Rev. D64 (2001) 103505

4. astro-ph/0008446 [abs, ps, pdf, other] :

Title: Looking for a varying $\alpha$ in the Cosmic Microwave Background
Authors: P.P. Avelino (CAUP and DF-FCUP, Porto), C.J.A.P. Martins (DAMTP, Cambridge and CAUP), G. Rocha (CAUP and Dep. Physics, Oxford), P. Viana (CAUP and DMA-FCUP, Porto)
Comments: 15 pages; submitted to Phys. Rev. D
Journal-ref: Phys.Rev. D62 (2000) 123508

5. astro-ph/0008070 [abs, ps, pdf, other] :

Title: Bayesian joint estimation of non-Gaussianity and the power spectrum
Authors: Graca Rocha, Joao Magueijo, Mike Hobson, Anthony Lasenby
Comments: 11pages, 4 figures, submitted to MNRAS
Journal-ref: Phys. Rev. D. 64, 063512 (2001) (9 pages)

6. astro-ph/0001292 [abs, ps, pdf, other] :

Title: VSL theories and the Doppler peak
Authors: P. P. Avelino, C. J. A. P. Martins, G. Rocha
Comments: 10 pages, references added, minor changes to match accepted version
Journal-ref: Phys. Lett. B483 (2000) 210

7. astro-ph/9907312 [abs, ps, pdf, other] :

Title: Constraints on the Cosmological Parameters using CMB observations
Author: Graca Rocha (1,2) ((1) KSU, Kansas State University, USA, (2) CAUP, Centro de Astrofisica da Universidade do Porto, Portugal)
Comments: 67 pages, 13 figures, 10 tables. Invited review to appear in the proceedings of the `Early Universe and Dark Matter Conference', DARK98, Heidelberg, 1998

8. astro-ph/9905127 [abs, ps, pdf, other] :

Title: Python I, II, and III CMB Anisotropy Measurement Constraints on Open and Flat-Lambda CDM Cosmogonies
Authors: Graca Rocha, Radoslaw Stompor, Ken Ganga, Bharat Ratra, Stephen R. Platt, Naoshi Sugiyama, Krzysztof M. Gorski
Comments: 20 pages, 7 figures, accepted by ApJ
Journal-ref: Astrophys.J. 525 (1999) 1

9. astro-ph/9904415 [abs, ps, pdf, other] :

Title: Detection of Cosmic Microwave Background Structure in a Second Field with the Cosmic Anisotropy Telescope
Authors: Joanne C. Baker, Keith Grainge, M.P. Hobson, Michael E. Jones, R. Kneissl, A.N. Lasenby, C.M.M. O'Sullivan, Guy Pooley, G. Rocha, Richard Saunders, P.F. Scott, E.M. Waldram
Comments: 5 pages, 5 figures (gif), submitted to MNRAS

10. astro-ph/9901014 [abs, ps, pdf, other] :

Title: CMB Anisotropy Constraints on Open and Flat-Lambda CDM Cosmogonies from UCSB South Pole, ARGO, MAX, White Dish, and SuZIE Data
Authors: Bharat Ratra, Radoslaw Stompor, Ken Ganga, Graca Rocha, Naoshi Sugiyama, Krzysztof M. Gorski
Comments: 31 pages, 8 figures, uses aaspp4.sty, accepted by ApJ
Journal-ref: Astrophys.J. 517 (1999) 549

11. astro-ph/9802351 [abs, ps, pdf, other] :

Title: 10 GHz Tenerife CMB observations at 8 degree resolution and their analysis using a new maximum entropy method
Authors: A.W. Jones (1), S. Hancock (1), A.N. Lasenby (1), R.D.Davies (2), C.M. Gutierrez (3), G. Rocha (1), R.A. Watson (2,3), R.Rebolo (3) ((1) Mullard Radio Astronomy Observatory, Cavendish Laboratory, Madingley Road, Cambridge, UK, (2) University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire, UK, (3) Instituto de Astrofisica de Canarias, Tenerife, Spain)
Comments: 11 pages, 10 figures, accepted by MNRAS

12. astro-ph/9802109 [abs, ps, pdf, other] :

Title: Joint estimation of cosmological parameters from CMB and IRAS data
Authors: Matthew Webster, S.L. Bridle, M.P. Hobson, A.N. Lasenby, Ofer Lahav, Graca Rocha
Comments: 16 pages, 4 figures (preprint format), submitted to ApJL, updated 18/Aug/98

13. astro-ph/9708254 [abs, ps, pdf, other] :

Title: Constraints on cosmological parameters from recent measurements of CMB anisotropy
Author: S. Hancock (1), G. Rocha (1,3), A.N. Lasenby (1), C.M. Gutierrez (2) ((1) Mullard Radio Astronomy Observatory, Cavendish Laboratory (MRAO), (2) Instituto de Astrofisica de Canarias (IAC), (3) Department of Physics, Kansas State University (KSU))
Comments: 7 pages LaTeX, including 6 PostScript figures. Accepted for publication in MNRAS

14. astro-ph/9703043 [abs, ps, pdf, other] :

Title: Studies of CMB structure at Dec=40. II: Analysis and cosmological interpretation
Author: S. Hancock (1), C.M. Gutierrez (2), R.D. Davies (3), A.N. Lasenby (1), G. Rocha (1), R. Rebolo (2), R.A. Watson (2,3), M. Tegmark (4) ((1) Mullard Radio Astronomy Observatory, Cavendish Laboratory (MRAO), (2)Instituto de Astrofisica de Canarias (IAC), (3) University of Manchester, Nuffield Radio Astronomy Laboratories, Jodrell Bank (NRAL), (4) Max-Planck-Institut fur Physic)
Comments: 10 pages LaTeX, including 8 PostScript figures. Accepted for publication in MNRAS

15. astro-ph/9612016 [abs, ps, pdf, other] :

Title: A first determination of the position of the `Doppler' peak
Authors: Stephen Hancock, Graca Rocha (MRAO Cambridge UK)
Comments: 10 pages LaTeX including 4 PS figures. To appear in proceedings of the XXXIst Rencontre de Moriond, 'Microwave Background Anisotropies'

16. astro-ph/9611228 [abs, ps, pdf, other] :

Title: Theoretical implications of microwave background radiation anisotropy experiments
Authors: Graca Rocha, Stephen Hancock (MRAO Cambridge UK)
Comments: 7 pages LaTeX, including 6 PostScript figures. To appear in proceedings of the XXXIst Rencontre de Moriond, `Microwave Background Anisotropies'