Sub-Femto- g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results

M. Armano; H. Audley; G. Auger; J. T. Baird; M. Bassan; P. Binetruy; M. Born; D. Bortoluzzi; N. Brandt; M. Caleno; L. Carbone; A. Cavalleri; A. Cesarini; G. Ciani; G. Congedo; A. M. Cruise; K. Danzmann; M. De Deus Silva; R. De Rosa; M. Diaz-Aguiló; L. Di Fiore; I. Diepholz; G. Dixon; R. Dolesi; N. Dunbar; L. Ferraioli; V. Ferroni; W. Fichter; E. D. Fitzsimons; R. Flatscher; M. Freschi; A. F. García Marín; C. García Marirrodriga; R. Gerndt; L. Gesa; F. Gibert; D. Giardini; R. Giusteri; F. Guzmán; A. Grado; C. Grimani; A. Grynagier; J. Grzymisch; I. Harrison; G. Heinzel; M. Hewitson; D. Hollington; D. Hoyland; M. Hueller; H. Inchauspé; O. Jennrich; P. Jetzer; U. Johann; B. Johlander; N. Karnesis; B. Kaune; N. Korsakova; C. J. Killow; J. A. Lobo; I. Lloro; L. Liu; J. P. López-Zaragoza; R. Maarschalkerweerd; D. Mance; V. Martín; L. Martin-Polo; J. Martino; F. Martin-Porqueras; S. Madden; I. Mateos; P. W. McNamara; J. Mendes; L. Mendes; A. Monsky; D. Nicolodi; M. Nofrarias; S. Paczkowski; M. Perreur-Lloyd; A. Petiteau; P. Pivato; E. Plagnol; P. Prat; U. Ragnit; B. Raïs; J. Ramos-Castro; J. Reiche; D. I. Robertson; H. Rozemeijer; F. Rivas; G. Russano; J. Sanjuán; P. Sarra; A. Schleicher; D. Shaul; J. Slutsky; C. F. Sopuerta; R. Stanga; F. Steier; T. Sumner; D. Texier

doi:10.1103/PhysRevLett.116.231101

Sub-Femto- g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results

M. Armano, H. Audley, G. Auger, J. T. Baird, M. Bassan, P. Binetruy, M. Born, D. Bortoluzzi, N. Brandt, M. Caleno, L. Carbone, A. Cavalleri, A. Cesarini, G. Ciani, G. Congedo, A. M. Cruise, K. Danzmann, M. De Deus Silva, R. De Rosa, M. Diaz-AguilóL. Di Fiore, I. Diepholz, G. Dixon, R. Dolesi, N. Dunbar, L. Ferraioli, V. Ferroni, W. Fichter, E. D. Fitzsimons, R. Flatscher, M. Freschi, A. F. García Marín, C. García Marirrodriga, R. Gerndt, L. Gesa, F. Gibert, D. Giardini, R. Giusteri, F. Guzmán, A. Grado, C. Grimani, A. Grynagier, J. Grzymisch, I. Harrison, G. Heinzel, M. Hewitson, D. Hollington, D. Hoyland, M. Hueller, H. Inchauspé, O. Jennrich, P. Jetzer, U. Johann, B. Johlander, N. Karnesis, B. Kaune, N. Korsakova, C. J. Killow, J. A. Lobo, I. Lloro, L. Liu, J. P. López-Zaragoza, R. Maarschalkerweerd, D. Mance, V. Martín, L. Martin-Polo, J. Martino, F. Martin-Porqueras, S. Madden, I. Mateos, P. W. McNamara, J. Mendes, L. Mendes, A. Monsky, D. Nicolodi, M. Nofrarias, S. Paczkowski, M. Perreur-Lloyd, A. Petiteau, P. Pivato, E. Plagnol, P. Prat, U. Ragnit, B. Raïs, J. Ramos-Castro, J. Reiche, D. I. Robertson, H. Rozemeijer, F. Rivas, G. Russano, J. Sanjuán, P. Sarra, A. Schleicher, D. Shaul, J. Slutsky, C. F. Sopuerta, R. Stanga, F. Steier, T. Sumner, D. Texier

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Abstract

© 2016 authors. Published by the American Physical Society. We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density of 5.2±0.1 fm s-2/Hz, or (0.54±0.01)×10-15 g/Hz, with g the standard gravity, for frequencies between 0.7 and 20 mHz. This value is lower than the LISA Pathfinder requirement by more than a factor 5 and within a factor 1.25 of the requirement for the LISA mission, and is compatible with Brownian noise from viscous damping due to the residual gas surrounding the test masses. Above 60 mHz the acceleration noise is dominated by interferometer displacement readout noise at a level of (34.8±0.3) fm/Hz, about 2 orders of magnitude better than requirements. At f≤0.5 mHz we observe a low-frequency tail that stays below 12 fm s-2/Hz down to 0.1 mHz. This performance would allow for a space-based gravitational wave observatory with a sensitivity close to what was originally foreseen for LISA.

Original language	English
Article number	231101
Journal	Physical Review Letters
Volume	116
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.116.231101
Publication status	Published - 7 Jun 2016

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10.1103/PhysRevLett.116.231101

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Armano, M., Audley, H., Auger, G., Baird, J. T., Bassan, M., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Caleno, M., Carbone, L., Cavalleri, A., Cesarini, A., Ciani, G., Congedo, G., Cruise, A. M., Danzmann, K., De Deus Silva, M., De Rosa, R., ... Texier, D. (2016). Sub-Femto- g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results. Physical Review Letters, 116(23), Article 231101. https://doi.org/10.1103/PhysRevLett.116.231101

@article{ecec0f2084404d639af122e32d9fe984,

title = "Sub-Femto- g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results",

abstract = "{\textcopyright} 2016 authors. Published by the American Physical Society. We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density of 5.2±0.1 fm s-2/Hz, or (0.54±0.01)×10-15 g/Hz, with g the standard gravity, for frequencies between 0.7 and 20 mHz. This value is lower than the LISA Pathfinder requirement by more than a factor 5 and within a factor 1.25 of the requirement for the LISA mission, and is compatible with Brownian noise from viscous damping due to the residual gas surrounding the test masses. Above 60 mHz the acceleration noise is dominated by interferometer displacement readout noise at a level of (34.8±0.3) fm/Hz, about 2 orders of magnitude better than requirements. At f≤0.5 mHz we observe a low-frequency tail that stays below 12 fm s-2/Hz down to 0.1 mHz. This performance would allow for a space-based gravitational wave observatory with a sensitivity close to what was originally foreseen for LISA.",

author = "M. Armano and H. Audley and G. Auger and Baird, {J. T.} and M. Bassan and P. Binetruy and M. Born and D. Bortoluzzi and N. Brandt and M. Caleno and L. Carbone and A. Cavalleri and A. Cesarini and G. Ciani and G. Congedo and Cruise, {A. M.} and K. Danzmann and {De Deus Silva}, M. and {De Rosa}, R. and M. Diaz-Aguil{\'o} and {Di Fiore}, L. and I. Diepholz and G. Dixon and R. Dolesi and N. Dunbar and L. Ferraioli and V. Ferroni and W. Fichter and Fitzsimons, {E. D.} and R. Flatscher and M. Freschi and {Garc{\'i}a Mar{\'i}n}, {A. F.} and {Garc{\'i}a Marirrodriga}, C. and R. Gerndt and L. Gesa and F. Gibert and D. Giardini and R. Giusteri and F. Guzm{\'a}n and A. Grado and C. Grimani and A. Grynagier and J. Grzymisch and I. Harrison and G. Heinzel and M. Hewitson and D. Hollington and D. Hoyland and M. Hueller and H. Inchausp{\'e} and O. Jennrich and P. Jetzer and U. Johann and B. Johlander and N. Karnesis and B. Kaune and N. Korsakova and Killow, {C. J.} and Lobo, {J. A.} and I. Lloro and L. Liu and L{\'o}pez-Zaragoza, {J. P.} and R. Maarschalkerweerd and D. Mance and V. Mart{\'i}n and L. Martin-Polo and J. Martino and F. Martin-Porqueras and S. Madden and I. Mateos and McNamara, {P. W.} and J. Mendes and L. Mendes and A. Monsky and D. Nicolodi and M. Nofrarias and S. Paczkowski and M. Perreur-Lloyd and A. Petiteau and P. Pivato and E. Plagnol and P. Prat and U. Ragnit and B. Ra{\"i}s and J. Ramos-Castro and J. Reiche and Robertson, {D. I.} and H. Rozemeijer and F. Rivas and G. Russano and J. Sanju{\'a}n and P. Sarra and A. Schleicher and D. Shaul and J. Slutsky and Sopuerta, {C. F.} and R. Stanga and F. Steier and T. Sumner and D. Texier",

year = "2016",

month = jun,

day = "7",

doi = "10.1103/PhysRevLett.116.231101",

language = "English",

volume = "116",

number = "23",

}

Armano, M, Audley, H, Auger, G, Baird, JT, Bassan, M, Binetruy, P, Born, M, Bortoluzzi, D, Brandt, N, Caleno, M, Carbone, L, Cavalleri, A, Cesarini, A, Ciani, G, Congedo, G, Cruise, AM, Danzmann, K, De Deus Silva, M, De Rosa, R, Diaz-Aguiló, M, Di Fiore, L, Diepholz, I, Dixon, G, Dolesi, R, Dunbar, N, Ferraioli, L, Ferroni, V, Fichter, W, Fitzsimons, ED, Flatscher, R, Freschi, M, García Marín, AF, García Marirrodriga, C, Gerndt, R, Gesa, L, Gibert, F, Giardini, D, Giusteri, R, Guzmán, F, Grado, A, Grimani, C, Grynagier, A, Grzymisch, J, Harrison, I, Heinzel, G, Hewitson, M, Hollington, D, Hoyland, D, Hueller, M, Inchauspé, H, Jennrich, O, Jetzer, P, Johann, U, Johlander, B, Karnesis, N, Kaune, B, Korsakova, N, Killow, CJ, Lobo, JA, Lloro, I, Liu, L, López-Zaragoza, JP, Maarschalkerweerd, R, Mance, D, Martín, V, Martin-Polo, L, Martino, J, Martin-Porqueras, F, Madden, S, Mateos, I, McNamara, PW, Mendes, J, Mendes, L, Monsky, A, Nicolodi, D, Nofrarias, M, Paczkowski, S, Perreur-Lloyd, M, Petiteau, A, Pivato, P, Plagnol, E, Prat, P, Ragnit, U, Raïs, B, Ramos-Castro, J, Reiche, J, Robertson, DI, Rozemeijer, H, Rivas, F, Russano, G, Sanjuán, J, Sarra, P, Schleicher, A, Shaul, D, Slutsky, J, Sopuerta, CF, Stanga, R, Steier, F, Sumner, T & Texier, D 2016, 'Sub-Femto- g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results', Physical Review Letters, vol. 116, no. 23, 231101. https://doi.org/10.1103/PhysRevLett.116.231101

TY - JOUR

T1 - Sub-Femto- g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results

AU - Armano, M.

AU - Audley, H.

AU - Auger, G.

AU - Baird, J. T.

AU - Bassan, M.

AU - Binetruy, P.

AU - Born, M.

AU - Bortoluzzi, D.

AU - Brandt, N.

AU - Caleno, M.

AU - Carbone, L.

AU - Cavalleri, A.

AU - Cesarini, A.

AU - Ciani, G.

AU - Congedo, G.

AU - Cruise, A. M.

AU - Danzmann, K.

AU - De Deus Silva, M.

AU - De Rosa, R.

AU - Diaz-Aguiló, M.

AU - Di Fiore, L.

AU - Diepholz, I.

AU - Dixon, G.

AU - Dolesi, R.

AU - Dunbar, N.

AU - Ferraioli, L.

AU - Ferroni, V.

AU - Fichter, W.

AU - Fitzsimons, E. D.

AU - Flatscher, R.

AU - Freschi, M.

AU - García Marín, A. F.

AU - García Marirrodriga, C.

AU - Gerndt, R.

AU - Gesa, L.

AU - Gibert, F.

AU - Giardini, D.

AU - Giusteri, R.

AU - Guzmán, F.

AU - Grado, A.

AU - Grimani, C.

AU - Grynagier, A.

AU - Grzymisch, J.

AU - Harrison, I.

AU - Heinzel, G.

AU - Hewitson, M.

AU - Hollington, D.

AU - Hoyland, D.

AU - Hueller, M.

AU - Inchauspé, H.

AU - Jennrich, O.

AU - Jetzer, P.

AU - Johann, U.

AU - Johlander, B.

AU - Karnesis, N.

AU - Kaune, B.

AU - Korsakova, N.

AU - Killow, C. J.

AU - Lobo, J. A.

AU - Lloro, I.

AU - Liu, L.

AU - López-Zaragoza, J. P.

AU - Maarschalkerweerd, R.

AU - Mance, D.

AU - Martín, V.

AU - Martin-Polo, L.

AU - Martino, J.

AU - Martin-Porqueras, F.

AU - Madden, S.

AU - Mateos, I.

AU - McNamara, P. W.

AU - Mendes, J.

AU - Mendes, L.

AU - Monsky, A.

AU - Nicolodi, D.

AU - Nofrarias, M.

AU - Paczkowski, S.

AU - Perreur-Lloyd, M.

AU - Petiteau, A.

AU - Pivato, P.

AU - Plagnol, E.

AU - Prat, P.

AU - Ragnit, U.

AU - Raïs, B.

AU - Ramos-Castro, J.

AU - Reiche, J.

AU - Robertson, D. I.

AU - Rozemeijer, H.

AU - Rivas, F.

AU - Russano, G.

AU - Sanjuán, J.

AU - Sarra, P.

AU - Schleicher, A.

AU - Shaul, D.

AU - Slutsky, J.

AU - Sopuerta, C. F.

AU - Stanga, R.

AU - Steier, F.

AU - Sumner, T.

AU - Texier, D.

PY - 2016/6/7

Y1 - 2016/6/7

N2 - © 2016 authors. Published by the American Physical Society. We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density of 5.2±0.1 fm s-2/Hz, or (0.54±0.01)×10-15 g/Hz, with g the standard gravity, for frequencies between 0.7 and 20 mHz. This value is lower than the LISA Pathfinder requirement by more than a factor 5 and within a factor 1.25 of the requirement for the LISA mission, and is compatible with Brownian noise from viscous damping due to the residual gas surrounding the test masses. Above 60 mHz the acceleration noise is dominated by interferometer displacement readout noise at a level of (34.8±0.3) fm/Hz, about 2 orders of magnitude better than requirements. At f≤0.5 mHz we observe a low-frequency tail that stays below 12 fm s-2/Hz down to 0.1 mHz. This performance would allow for a space-based gravitational wave observatory with a sensitivity close to what was originally foreseen for LISA.

AB - © 2016 authors. Published by the American Physical Society. We report the first results of the LISA Pathfinder in-flight experiment. The results demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density of 5.2±0.1 fm s-2/Hz, or (0.54±0.01)×10-15 g/Hz, with g the standard gravity, for frequencies between 0.7 and 20 mHz. This value is lower than the LISA Pathfinder requirement by more than a factor 5 and within a factor 1.25 of the requirement for the LISA mission, and is compatible with Brownian noise from viscous damping due to the residual gas surrounding the test masses. Above 60 mHz the acceleration noise is dominated by interferometer displacement readout noise at a level of (34.8±0.3) fm/Hz, about 2 orders of magnitude better than requirements. At f≤0.5 mHz we observe a low-frequency tail that stays below 12 fm s-2/Hz down to 0.1 mHz. This performance would allow for a space-based gravitational wave observatory with a sensitivity close to what was originally foreseen for LISA.

U2 - 10.1103/PhysRevLett.116.231101

DO - 10.1103/PhysRevLett.116.231101

M3 - Article

SN - 0031-9007

VL - 116

JO - Physical Review Letters

JF - Physical Review Letters

IS - 23

M1 - 231101

ER -

Sub-Femto- g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results

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