Guo, Y.J. - Αποτελέσματα αναζήτησης

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The second data release from the European Pulsar Timing Array - IV. Implications for massive black holes, dark matter, and the early Universe / EPTA Collaboration
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of their second and first data releases respectively, with the correlation properties of a gravitational wave background (GWB). Such signal may have its origin in a number of physical processes including a cosmic population of inspiralling supermassive black hole binaries (SMBHBs); inflation, phase transitions, cosmic strings and tensor mode generation by non-linear evolution of scalar perturbations in the early Universe; oscillations of the Galactic potential in the presence of ultra-light dark matter (ULDM). [...]
arXiv:2306.16227.- 2024-05-01 - 30 p. - Published in : Astron. Astrophys. 685 (2024) A94 Fulltext: document - PDF; 2306.16227 - PDF;

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The International Pulsar Timing Array second data release: Search for an isotropic Gravitational Wave Background / Antoniadis, J. (FORTH, Heraklion ; Bonn, Max Planck Inst., Radioastron. ; Argelander Inst. Astron.) ; Arzoumanian, Z. (NASA, Goddard) ; Babak, S. (APC, Paris) ; Bailes, M. (Swinburne U. Tech., Hawthorn ; ARC, CoEPP, Australia) ; Nielsen, A.-S. Bak (Bonn, Max Planck Inst., Radioastron. ; Bielefeld U.) ; Baker, P.T. (Widener U.) ; Bassa, C.G. (ASTRON, Dwingeloo) ; Becsy, B. (Montana State U.) ; Berthereau, A. (LPC2E, Orleans ; Station Radioastronomy, Nancay) ; Bonetti, M. (Milan Bicocca U. ; INFN, Milan Bicocca) et al.
We searched for an isotropic stochastic gravitational wave background in the second data release of the International Pulsar Timing Array, a global collaboration synthesizing decadal-length pulsar-timing campaigns in North America, Europe, and Australia. In our reference search for a power law strain spectrum of the form $h_c = A(f/1\,\mathrm{yr}^{-1})^{\alpha}$, we found strong evidence for a spectrally-similar low-frequency stochastic process of amplitude $A = 3.8^{+6.3}_{-2.5}\times10^{-15}$ and spectral index $\alpha = -0.5 \pm 0.5$, where the uncertainties represent 95% credible regions, using information from the auto- and cross-correlation terms between the pulsars in the array. [...]
arXiv:2201.03980.- 2022-01-27 - 15 p. - Published in : Mon. Not. R. Astron. Soc. 510 (2022) 4873 Fulltext: PDF;

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Δείτε ακόμη: παρόμοια ονόματα συγγραφέων
257	Guo, Y
1	Guo, Y -X
3	Guo, Y C
1	Guo, Y J
3	Guo, Y Jay
94	Guo, Y N
104	Guo, Y P
85	Guo, Y Q
4	Guo, Y X
3	Guo, Y Y
26	Guo, Y.
1	Guo, Y.C.
4	Guo, Y.H.
4	Guo, Y.N.
9	Guo, Y.P.
1	Guo, Y.Q.
1	Guo, YY
2	Guo, Ya-Fei
2	Guo, Ya-Nan
20	Guo, Yan
2	Guo, Yan-Jun
1	Guo, Yan-Xin
1	Guo, Yandong
8	Guo, Yang
1	Guo, Yangyang
1	Guo, Yanhui
4	Guo, Yanjun
1	Guo, Yanqiang
2	Guo, Yanqiu
2	Guo, Yanxin
2	Guo, Yao
4	Guo, Yi
1	Guo, Yi-Ke
8	Guo, Yi-Qing
673	Guo, Yicheng
329	Guo, Yifei
1	Guo, Yike
5	Guo, Yimu
1	Guo, Yina
3	Guo, Ying
1	Guo, Yingchun
1	Guo, Yingrong
1	Guo, Yinjing
3	Guo, Yiqing
3	Guo, Yong
2	Guo, Yong-Xin
2	Guo, Yongxin
1	Guo, Yongxing
1	Guo, Yongyi
2	Guo, Youguang
22	Guo, Yu
4	Guo, Yu-Chen
1	Guo, Yu-Guo
1	Guo, Yu-Ping
1	Guo, Yu-Xiang
1	Guo, Yu-wei
3	Guo, Yuan
2	Guo, Yuanxiong
2	Guo, Yuanyuan
1	Guo, Yuchun
1	Guo, Yue
2	Guo, Yuhan
2	Guo, Yuhang
1	Guo, Yuhua
2	Guo, Yujin
1	Guo, Yulan
1	Guo, Yulong
15	Guo, Yun
1	Guo, Yunqiang
1	Guo, Yuping
1	Guo, Yuxian
375	Guo, Yuxiang
2	Guo, Yuxiao
11	Guo, Yuyi
4	Guo, Yuying
1	Guo, Yves ZY

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