Items where Author is "Chand, H."

Srianand, R. ; Petitjean, P. ; Chand, H. ; Noterdaeme, P. ; Gupta, N. (2009) Probing the variation of fundamental constants using QSO absorption lines Memorie della Società Astronomica Italiana, 80 (4). pp. 842-849. ISSN 0037-8720

Chand, H. ; Srianand, R. ; Petitjean, P. ; Aracil, B. ; Quast, R. ; Reimers, D. (2006) Variation of the fine-structure constant: very high resolution spectrum of QSO HE 0515-4414 Astronomy and Astrophysics, 451 (1). pp. 45-56. ISSN 0004-6361

Chand, H. ; Srianand, R. ; Petitjean, P. ; Aracil, B. (2005) Probing the variation of the fine-structure constant using QSO absorption lines Proceedings of the International Astronomical Union, 1 . pp. 409-411. ISSN 1743-9213

Ivanchik, A. ; Petitjean, P. ; Varshalovich, D. ; Aracil, B. ; Srianand, R. ; Chand, H. ; Ledoux, C. ; Boisse, P. (2005) A new constraint on the time dependence of the proton-to-electron mass ratio. Analysis of the Q 0347-383 and Q 0405-443 spectra Astronomy and Astrophysics, 440 (1). pp. 45-52. ISSN 0004-6361

Chand, H. ; Petitjean, P. ; Srianand, R. ; Aracil, B. (2005) Probing the time-variation of the fine-structure constant: Results based on Si IV doublets from a UVES sample Astronomy and Astrophysics, 430 (1). pp. 47-58. ISSN 0004-6361

Petitjean, Patrick ; Ivanchik, A. ; Srianand, Raghunathan ; Aracil, B. ; Varshalovich, D. ; Chand, H. ; Rodriguez, Esther ; Ledoux, C. ; Boissé, Patrick (2004) Time dependence of the proton-to-electron mass ratio Comptes Rendus Physique, 5 (3). pp. 411-415. ISSN 1631-0705

Srianand, R. ; Chand, H. ; Petitjean, P. ; Aracil, B. (2004) Limits on the time variation of the electromagnetic fine-structure constant in the low energy limit from absorption lines in the spectra of distant quasars Physical Review Letters, 92 (12). pp. 121302-121305. ISSN 0031-9007

Chand, H. ; Srianand, R. ; Petitjean, P. ; Aracil, B. (2004) Probing the cosmological variation of the fine-structure constant: results based on VLT-UVES sample Astronomy and Astrophysics, 417 (3). pp. 853-871. ISSN 0004-6361