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000425672 1001_ $$0P:(DE-H253)PIP1004537$$aGharibyan, Vahagn$$b0$$eCorresponding author
000425672 245__ $$aEvidence for Parity Violation in Gravitational Fields
000425672 260__ $$c2018
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000425672 520__ $$aDiscrete symmetries in gravity have only been tested for low energy, non-relativistic matter, confirm-ing the perfectly symmetric general relativity.  A hint for high energy CP violation in gravitational fields  has  recently  been  found  in  the  HERA  Compton  polarimeter’s  two  spectra,  measured  with electron  and  positron  beams.   Here  we  report  results  of  the  analysis  of  the  same  polarimeter’s spectra,  acquired  during  2004–2007  and  tagged  by  laser  polarization  states  allowing  the separation of charge (C) and space (P) parity contributions.  The measured Compton edge energy asymmetry,  induced  by  the  laser  helicity  flips,  is  as  high  as  (4.9±0.5)·10$^{−5}$ which  corresponds to a helicity-dependent difference in the gravitational potentials of (1.7±0.2)·10$^{−14}$.  In the case of the observed anomalous coupling’s energy independence, the spin asymmetric gravity will con-tribute to the galactic rotational curves and the cosmic microwave background.  Further analysis and calculations can determine whether the observed magnitude of the gravitational parity violation is sufficient for detaching these famous phenomena from the dark matter and the Big Bang theory.
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000425672 7001_ $$0P:(DE-HGF)0$$aAdler, V.$$b1
000425672 7001_ $$0P:(DE-HGF)0$$aAllfrey, P. D.$$b2
000425672 7001_ $$0P:(DE-HGF)0$$aBell, M. A.$$b3
000425672 7001_ $$0P:(DE-H253)PIP1033168$$aBelusic, Bastian Daniel$$b4$$udesy
000425672 7001_ $$0P:(DE-H253)PIP1003014$$aBlock, Andreas$$b5$$udesy
000425672 7001_ $$0P:(DE-H253)PIP1000493$$aBozhko, Yury$$b6$$udesy
000425672 7001_ $$0P:(DE-HGF)0$$aCoughlan, J. A.$$b7
000425672 7001_ $$0P:(DE-HGF)0$$aDementiev, R. K.$$b8
000425672 7001_ $$0P:(DE-HGF)0$$aDeshpande, A.$$b9
000425672 7001_ $$0P:(DE-HGF)0$$aFerencei, J.$$b10
000425672 7001_ $$0P:(DE-HGF)0$$aGoncalo, R.$$b11
000425672 7001_ $$0P:(DE-HGF)0$$aHiller, K. H.$$b12
000425672 7001_ $$0P:(DE-HGF)0$$aKaiser, R.$$b13
000425672 7001_ $$0P:(DE-H253)PIP1002321$$aKammering, Raimund$$b14$$udesy
000425672 7001_ $$0P:(DE-H253)PIP1002141$$aKrause, Bernward$$b15$$udesy
000425672 7001_ $$0P:(DE-HGF)0$$aMa, B.-Q.$$b16
000425672 7001_ $$0P:(DE-HGF)0$$aMattingly, M. C. K.$$b17
000425672 7001_ $$0P:(DE-HGF)0$$aPadhi, S.$$b18
000425672 7001_ $$0P:(DE-HGF)0$$aPerieanu, A.$$b19
000425672 7001_ $$0P:(DE-HGF)0$$aProtopopescu, D.$$b20
000425672 7001_ $$0P:(DE-HGF)0$$aRyan, P.$$b21
000425672 7001_ $$0P:(DE-H253)PIP1001671$$aSchaffran, Joern$$b22$$udesy
000425672 7001_ $$0P:(DE-H253)PIP1001570$$aSchmid, Peter$$b23$$udesy
000425672 7001_ $$0P:(DE-H253)PIP1001516$$aSeebach, Michael$$b24$$udesy
000425672 7001_ $$0P:(DE-H253)PIP1001525$$aSombrowski, Elke$$b25$$udesy
000425672 7001_ $$0P:(DE-HGF)0$$aSusinno, G.$$b26
000425672 7001_ $$0P:(DE-HGF)0$$aWang, M.$$b27
000425672 7001_ $$0P:(DE-HGF)0$$aWick, K.$$b28
000425672 7001_ $$0P:(DE-HGF)0$$aWobisch, M.$$b29
000425672 7001_ $$0P:(DE-HGF)0$$aZichichi, A.$$b30
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