ENTRY G4079 20200105 G044G407900000001 SUBENT G4079001 20200105 G044G407900100001 BIB 10 35 G407900100002 TITLE Asymmetry of the (g,p) and (g,n) cross sections in G407900100003 the disintegration of the 4He nucleus by linearly G407900100004 polarized 40-MeV gamma rays G407900100005 AUTHOR (E.A.Vinokurov, V.I.Voloshchuk, V.G.Gorbunov, G407900100006 E.S.Gorbenko, V.A.Gushchin, V.P.Ermak, V.A.Zolenko, G407900100007 Yu.V.Zhebrovskii, L.Ya.Kolesnikov, Yu.P.Lyakhno, G407900100008 Yu.P.Mel'nik, V.A.Nikitin, L.A.Rubashkin, P.V.Sorokin,G407900100009 S.G.Tonapetyan, V.M.Khvorostyan, A.V.Shebeko) G407900100010 INSTITUTE (4UKRKFT) G407900100011 REFERENCE (J,JEL,41,503,1985) English transl. of ZEP,41,410,1985 G407900100012 (J,ZEP,41,410,1985) in Russian G407900100013 FACILITY (LINAC,4UKRKFT) G407900100014 INC-SOURCE (BRST) Linearly polarized gamma rays produced G407900100015 through the coherent bremsstrahlung of 500-MeV G407900100016 electrons in a diamond crystal 0.3 mm thick was G407900100017 hardened over 3.73 radiation lengths in LiH and G407900100018 enters the streamer chamber. G407900100019 (POLPS) In the gamma energy range 31-47 MeV the G407900100020 average degree of polarization of the beam was G407900100021 0.67+-0.06. G407900100022 DETECTOR (TRD) The SK-600 streamer chamber, with dimensions of G407900100023 600x600x120 mm filled with pure helium to a pressure G407900100024 of l ata. The magnetic field in the chamber was 8 kG. G407900100025 SAMPLE Pure helium G407900100026 ADD-RES Author's definition of the "asymmetry" is not clear G407900100027 (Analyzing power?). Following "asymmetry" values were G407900100028 digitized from Fig.2 of JETP Lett.41(1985)503: G407900100029 -------------------------------------------------------G407900100030 theta 4He(g,p)3H 4He(g,n)3He G407900100031 -------------------------------------------------------G407900100032 30- 90 0.8170 +/- 0.1451 0.8392 +/- 0.1608 G407900100033 90-150 0.4990 +/- 0.2400 0.9497 +/- 0.1960 G407900100034 -------------------------------------------------------G407900100035 HISTORY (20191121C) UkrNDC G407900100036 (20200105A) On. Data in 002-003 moved to ADD-RES of 001G407900100037 ENDBIB 35 0 G407900100038 COMMON 4 3 G407900100039 EN-MIN EN-MAX POL-BM POL-BM-ERR G407900100040 MEV MEV NO-DIM NO-DIM G407900100041 31. 47. 0.67 0.06 G407900100042 ENDCOMMON 3 0 G407900100043 ENDSUBENT 42 0 G407900199999 NOSUBENT G4079002 20200105 G044G407900200001 NOSUBENT G4079003 20200105 G044G407900300001 ENDENTRY 3 0 G407999999999