ENTRY M0742 20080709 M046M074200000001 SUBENT M0742001 20080709 M046M074200100001 BIB 14 37 M074200100002 TITLE Incoherent neutral pion photoproduction on 12C. M074200100003 AUTHOR (C.M.TARBERT,P.D.WATTS,P.AGULAR,J.AHRENS, M074200100004 J.R.M.ANNAND,H.-J.ARENDS,R.BECK,V.BEKRENEV, M074200100005 B.BOILLAT,A.BRAGHIERI,D.BRANFORD,W.J.BRISCOE, M074200100006 J.BRUDVIK,S.CHEREPNYA,R.CODLING,E.J.DOWNIE, M074200100007 K.FOHL,D.I.GLAZIER,P.GRABMAYR,R.GREGOR,E.HEID, M074200100008 D.HORNIDGE,O.JAHN,V.L.KASHEVAROV,A.KNEZEVIC, M074200100009 R.KONDRATIEV,M.KOROLIJA,M.KOTULLA,D.KRAMBRICH, M074200100010 B.KRUSCHE,M.LANG,V.LISIN,K.LIVINGSTON,S.LUGERT, M074200100011 I.J.D.MACGREGOR,D.M.MANLEY,M.MARTINEZ,J.C.MCGEORGE, M074200100012 D.MEKTEROVIC,V.METAG,B.M.K.NEFKENS,A.NIKOLAEV, M074200100013 R.NOVOTNY,R.O.OWENS,P.PEDRONI,A.POLONSKI, M074200100014 S.N.PRAKHOV,J.W.PRICE,G.ROSNER,M.ROST,T.ROSTOMYAN, M074200100015 S.SCHADMAND,S.SCHUMANN,D.SOBER,A.STAROSTIN,I.SUPEK, M074200100016 A.THOMAS,U.UNVERZAGT,TH.WALCHER,F.ZEHR) M074200100017 INSTITUTE (2UK EDG,2GERMNZ,2UK GLS,2GERBON,4RUSLIN,2SWTBAS, M074200100018 2ITYPAV,1USAGWU,1USACLA,4RUSLEB,2GERTUE,2GERJLU, M074200100019 1CANCAN,3CRORBZ,4RUSJIA,1USAKNT,1USACUA) M074200100020 REFERENCE (J,PRL,100,132301,2008) M074200100021 INC-SOURCE (QMPH,TAGD) Glasgow photon tagger at MAMI in MAINZ. M074200100022 FACILITY (MICRT,2GERMNZ) MAMI MAINZ racetrack microtron. M074200100023 SAMPLE Natural carbon target, 1.5 cm thick. M074200100024 METHOD (COINC) M074200100025 DETECTOR (NAICR,TRD,MWPC) Crystal Ball consists of 672 NAI M074200100026 detector elements covering 94% of 4PI, charge M074200100027 partivle identification (PID) detector and two M074200100028 cilindrical MWPC. M074200100029 ANALYSIS (AREA) To extract the incoherent cross section to the M074200100030 4.4 MeV state, the low-energy photon spectrum for M074200100031 each theta-PI bin was fitted with a Gaussian M074200100032 centered at 4.4 MeV plus an exponential background. M074200100033 ERR-ANALYS (ERR-S) Statistical errors are given. M074200100034 (ERR-SYS) Total systematic uncertainty is about +- 10%.M074200100035 EN-SEC (E-LVL,6-C-12) M074200100036 STATUS (CURVE) Data from Fig. 5 were compiled at the Russia M074200100037 MSU SINP CDFE by V. Varlamov. M074200100038 HISTORY (20080410C) M074200100039 ENDBIB 37 0 M074200100040 COMMON 3 3 M074200100041 E-LVL EN-RSL ERR-SYS M074200100042 MEV MEV PER-CENT M074200100043 4.4 2. 10. M074200100044 ENDCOMMON 3 0 M074200100045 ENDSUBENT 44 0 M074200199999 SUBENT M0742002 20080709 M046M074200200001 BIB 1 1 M074200200002 REACTION (6-C-12(G,PI0)6-C-12,PAR,DA) M074200200003 ENDBIB 1 0 M074200200004 COMMON 2 3 M074200200005 EN-MIN EN-MAX M074200200006 MEV MEV M074200200007 225. 245. M074200200008 ENDCOMMON 3 0 M074200200009 DATA 3 45 M074200200010 ANG DATA ERR-S M074200200011 ADEG MU-B/SR MU-B/SR M074200200012 2. .055 1.56 M074200200013 6. .055 1.58 M074200200014 10. .845 .471 M074200200015 14. 1.662 .692 M074200200016 18. 1.678 .748 M074200200017 22. 2.908 .831 M074200200018 26. .042 1.385 M074200200019 30. .922 .498 M074200200020 34. 2.215 .415 M074200200021 38. 3.298 .418 M074200200022 42. 5.262 .404 M074200200023 46. 6.646 .421 M074200200024 50. 9.061 .332 M074200200025 54. 8.308 .388 M074200200026 58. 10.684 .36 M074200200027 62. 11.492 .4 M074200200028 66. 12.306 .41 M074200200029 70. 14.262 .418 M074200200030 74. 14.264 .38 M074200200031 78. 14.677 .402 M074200200032 82. 13.818 .338 M074200200033 86. 12.306 .3 M074200200034 90. 11.077 .291 M074200200035 94. 10.662 .277 M074200200036 98. 8.754 .238 M074200200037 102. 8.3 .285 M074200200038 106. 6.646 .277 M074200200039 110. 6.37 .27 M074200200040 114. 4.7 .269 M074200200041 118. 4.292 .249 M074200200042 122. 3.046 .244 M074200200043 126. 3.64 .263 M074200200044 130. 2.492 .235 M074200200045 134. 1.734 .2 M074200200046 138. 1.662 .194 M074200200047 142. 1.8 .19 M074200200048 146. .84 .18 M074200200049 150. 1.54 .166 M074200200050 154. 1.385 .18 M074200200051 158. .914 .25 M074200200052 162. .922 .18 M074200200053 166. .122 .2 M074200200054 170. .166 .83 M074200200055 174. .39 .235 M074200200056 178. .121 .526 M074200200057 ENDDATA 47 0 M074200200058 ENDSUBENT 57 0 M074200299999 SUBENT M0742003 20080709 M046M074200300001 BIB 1 1 M074200300002 REACTION (6-C-12(G,PI0)6-C-12,PAR,DA) M074200300003 ENDBIB 1 0 M074200300004 COMMON 2 3 M074200300005 EN-MIN EN-MAX M074200300006 MEV MEV M074200300007 240. 260. M074200300008 ENDCOMMON 3 0 M074200300009 DATA 3 43 M074200300010 ANG DATA ERR-S M074200300011 ADEG MU-B/SR MU-B/SR M074200300012 2. .253 .57 M074200300013 6. .1 .337 M074200300014 10. 2.212 .671 M074200300015 14. 6.932 1.02 M074200300016 18. 1.517 .91 M074200300017 22. 4.08 .81 M074200300018 26. 1.686 .63 M074200300019 30. 3.372 .58 M074200300020 34. 4.385 .54 M074200300021 38. 6.034 .51 M074200300022 42. 7.62 .47 M074200300023 46. 8.41 .421 M074200300024 50. 10.286 .5 M074200300025 54. 11.93 .43 M074200300026 58. 13.827 .34 M074200300027 62. 15.177 .34 M074200300028 66. 16.189 .41 M074200300029 70. 16.19 .38 M074200300030 74. 16.145 .36 M074200300031 78. 14.647 .34 M074200300032 82. 13.158 .268 M074200300033 86. 12.141 .354 M074200300034 90. 11.107 .21 M074200300035 94. 8.686 .32 M074200300036 98. 6.754 .2 M074200300037 102. 6.4 .252 M074200300038 106. 4.566 .237 M074200300039 110. 4.577 .23 M074200300040 114. 3.7 .22 M074200300041 118. 2.36 .24 M074200300042 122. 1.68 .244 M074200300043 126. 1.67 .243 M074200300044 130. 2.02 .235 M074200300045 134. 1.873 .24 M074200300046 138. 1.52 .234 M074200300047 142. 1.66 .25 M074200300048 146. 1.012 .318 M074200300049 150. .64 .286 M074200300050 154. 1.35 .28 M074200300051 158. .897 .275 M074200300052 162. .675 .258 M074200300053 166. .372 .26 M074200300054 170. .168 .253 M074200300055 ENDDATA 45 0 M074200300056 ENDSUBENT 55 0 M074200399999 SUBENT M0742004 20080709 M046M074200400001 BIB 1 1 M074200400002 REACTION (6-C-12(G,PI0)6-C-12,PAR,DA) M074200400003 ENDBIB 1 0 M074200400004 COMMON 2 3 M074200400005 EN-MIN EN-MAX M074200400006 MEV MEV M074200400007 285. 305. M074200400008 ENDCOMMON 3 0 M074200400009 DATA 3 39 M074200400010 ANG DATA ERR-S M074200400011 ADEG MU-B/SR MU-B/SR M074200400012 8. 0.0 .33 M074200400013 14. 10.392 1.89 M074200400014 18. 8.457 1.654 M074200400015 22. 7.087 1.38 M074200400016 26. 6.344 1.183 M074200400017 30. 5.9 1.3 M074200400018 34. 9.212 .938 M074200400019 38. 11.338 .754 M074200400020 42. 12.283 .85 M074200400021 46. 13.92 .714 M074200400022 50. 16.536 .5 M074200400023 54. 17.716 .53 M074200400024 58. 16.537 .52 M074200400025 62. 15.827 .64 M074200400026 66. 15.076 .57 M074200400027 70. 10.39 .38 M074200400028 74. 10.88 .59 M074200400029 78. 6.387 .34 M074200400030 82. 5.25 .42 M074200400031 86. 3.78 .37 M074200400032 90. 3.07 .41 M074200400033 94. 1.464 .42 M074200400034 98. 1.42 .44 M074200400035 102. 1.44 .45 M074200400036 106. 1.16 .37 M074200400037 110. 1.47 .43 M074200400038 114. 1.27 .33 M074200400039 118. 1.03 .28 M074200400040 122. 1.38 .3 M074200400041 126. 1.37 .43 M074200400042 130. .92 .35 M074200400043 134. .57 .3 M074200400044 138. .56 .23 M074200400045 142. .425 .25 M074200400046 146. .28 .28 M074200400047 150. .14 .23 M074200400048 154. .12 .24 M074200400049 158. .05 .275 M074200400050 162. 0.0 .68 M074200400051 ENDDATA 41 0 M074200400052 ENDSUBENT 51 0 M074200499999 ENDENTRY 4 0 M074299999999