ENTRY M0591 20120928 M064M059100000001
SUBENT M0591001 20120928 M064M059100100001
BIB 13 61 M059100100002
INSTITUTE (2FR SAC) M059100100003
REFERENCE (J,NP/A,237,447,1975) M059100100004
#doi:10.1016/0375-9474(75)90411-X M059100100005
AUTHOR (P.E.Argan,G.Audit,N.De Botton,J.-L.Faure,J.-M.Laget, M059100100006
J.Martin,C.G.Schuhl,G.Tamas) M059100100007
TITLE Two-body photodisintegration of 3He and 4He in the M059100100008
delta (1236) region. M059100100009
FACILITY (LINAC,2FR SAC) 600 Mev Saclay linac (ALS). M059100100010
INC-SOURCE (BRST) M059100100011
METHOD (COINC,MAGFR) M059100100012
DETECTOR (TELES,SCIN) M059100100013
Deutrons/tritons were analyzed in the focal plane of M059100100014
the spectrometer using a ladder counter consisting M059100100015
of four 90 mm x 220 mm x 2 mm plastic scintillators M059100100016
in coincidence with a large 460 mm x 240 mm x 5 mm M059100100017
plastic detector. M059100100018
Protons were detected using telescope consisted of M059100100019
two 200 mm x 220 mm x 5 mm plastic scintillators. M059100100020
ANALYSIS To extract the good events, a st of conditions was M059100100021
imposed on the spectra: broad cuts on the M059100100022
spectrometer pulse-height histogram define the M059100100023
selected kind of particle (deuteron or triton); then M059100100024
the time interval histograms for true and random M059100100025
coincidences associated with these selected events M059100100026
were established. The number of good events was M059100100027
defined as the number of events in the peak of the M059100100028
true coincidence plot, corrected by the average M059100100029
number of random coincidences read in the delayed M059100100030
coincidence plot. M059100100031
CORRECTION The following effects were considered: M059100100032
- proton absorption in the copper absorber situated M059100100033
in front of telescope; this correction never M059100100034
exceeded 15 %; M059100100035
- counting losses due to the high counting rate in M059100100036
the telescope scintillators: they were estimated M059100100037
from the single rates for each run and corrections M059100100038
were made ranging from 2 - 8 %; M059100100039
- events originating in the target walls: the M059100100040
correction amounted to 1.5 % in the worst case. M059100100041
ERR-ANALYS (ERR-S) Only statistical uncertainties are given. M059100100042
COMMENT Differential cross sections for the reactions M059100100043
3He(g,p)d and 4He(g,p)t were measured at proton c.m. M059100100044
angles of 60 and 90 degree for proton energies M059100100045
ranging from 150 - 450 MeV with an average resolution M059100100046
of 8 MeV. Bremsstrahlung was used as a photon source; M059100100047
deutrons/tritons were analyzed in a magnetic M059100100048
spectrometer whereas coincident protons were detected M059100100049
in a plastic scintillator telescope. The experimental M059100100050
method includes a calibration by means of 1H(g,pi)p M059100100051
differential cross section measurement at 90 degree M059100100052
c.m. in the same photon energy range. the 3H and 4He M059100100053
two-body photodisintegration differential cross M059100100054
sections show a monotonically decreasing variation M059100100055
with photon energy. in addition, partial data on the M059100100056
differential cross section of the reaction M059100100057
4He(g,n)3He at 90 and 120 degree neutron c.m. angle M059100100058
are given M059100100059
HISTORY (19990330C) Data were compiled at the USA BNL NNDC by M059100100060
V.V.Varlamov. M059100100061
(20120928A) Corrected by V. Varlamov: dates, doi, M059100100062
STATUS, COMMON, ERR-S, lowercase, SUBENT 008 added. M059100100063
ENDBIB 61 0 M059100100064
COMMON 1 3 M059100100065
EN-RSL-FW M059100100066
MEV M059100100067
8. M059100100068
ENDCOMMON 3 0 M059100100069
ENDSUBENT 68 0 M059100199999
SUBENT M0591002 20120928 M064M059100200001
BIB 3 4 M059100200002
REACTION (2-HE-3(G,P)1-H-2,,DA,,BRS) M059100200003
SAMPLE The liquid 3He target with average thickness of M059100200004
0.132 (0.012) g/cm**2 at the temperature 2.6 K. M059100200005
STATUS (TABLE) Data from the Table 4. M059100200006
ENDBIB 4 0 M059100200007
COMMON 1 3 M059100200008
ANG-CM M059100200009
ADEG M059100200010
60. M059100200011
ENDCOMMON 3 0 M059100200012
DATA 4 11 M059100200013
EN EN-ERR DATA-CM ERR-S M059100200014
MEV MEV NB/SR NB/SR M059100200015
204.4 6.7 582.2 36.5 M059100200016
217.1 7.2 488.3 33. M059100200017
229.8 7.7 461.5 28.4 M059100200018
243.8 8.2 407.3 18.5 M059100200019
257.8 8.7 348.5 12.8 M059100200020
274. 9.3 338.8 12.8 M059100200021
290.4 9.9 240.9 9.7 M059100200022
307.4 10.5 217.5 8. M059100200023
327.1 11.2 149.3 7.5 M059100200024
348.5 12. 125.7 8. M059100200025
371.7 12.9 91. 8. M059100200026
ENDDATA 13 0 M059100200027
ENDSUBENT 26 0 M059100299999
SUBENT M0591003 20120928 M064M059100300001
BIB 3 4 M059100300002
REACTION (2-HE-3(G,P)1-H-2,,DA,,BRS) M059100300003
SAMPLE The liquid 3he target with average thickness of M059100300004
0.132 (0.012) g/cm**2 at the temperature 2.6 k. M059100300005
STATUS (TABLE) Data from the Table 4. M059100300006
ENDBIB 4 0 M059100300007
COMMON 1 3 M059100300008
ANG-CM M059100300009
ADEG M059100300010
90. M059100300011
ENDCOMMON 3 0 M059100300012
DATA 4 15 M059100300013
EN EN-ERR DATA-CM ERR-S M059100300014
MEV MEV NB/SR NB/SR M059100300015
173.6 5.1 502. 18.2 M059100300016
182.6 5.3 448. 12.1 M059100300017
192.6 5.6 397.5 11.4 M059100300018
202.8 5.8 340.5 14.9 M059100300019
213.1 6.1 301.8 10. M059100300020
223.7 6.4 254.6 10.5 M059100300021
236. 6.7 215.9 7.1 M059100300022
249. 7.1 180.3 5.6 M059100300023
262.7 7.4 145.4 5. M059100300024
276.4 7.8 125. 4.6 M059100300025
290.7 8.2 92. 3.7 M059100300026
305.6 8.6 77.3 3.2 M059100300027
323.3 9.1 68.1 3.3 M059100300028
341.4 9.8 54.9 3.4 M059100300029
360.6 10.5 42.5 4.2 M059100300030
ENDDATA 17 0 M059100300031
ENDSUBENT 30 0 M059100399999
SUBENT M0591004 20120928 M064M059100400001
BIB 3 4 M059100400002
REACTION (2-HE-4(G,P)1-H-3,,DA,,BRS) M059100400003
SAMPLE The liquid 4he target with average thickness of M059100400004
0.131 (0.012) g/cm**2 at the temperature 4.2 k. M059100400005
STATUS (TABLE) Data from the Table 5. M059100400006
ENDBIB 4 0 M059100400007
COMMON 1 3 M059100400008
ANG-CM M059100400009
ADEG M059100400010
60. M059100400011
ENDCOMMON 3 0 M059100400012
DATA 4 12 M059100400013
EN EN-ERR DATA-CM ERR-S M059100400014
MEV MEV NB/SR NB/SR M059100400015
248. 10.1 585.8 44.2 M059100400016
259.4 10.3 572.8 19.6 M059100400017
271.4 10.5 519.6 14.8 M059100400018
284.1 10.8 508.7 14.8 M059100400019
296.9 11.2 409. 12.8 M059100400020
311.4 11.7 398.3 12.4 M059100400021
327.2 12.3 302.7 11.6 M059100400022
343.8 12.7 255.9 11.2 M059100400023
361.7 13.5 218. 12.6 M059100400024
379.1 14.1 166.7 8.4 M059100400025
399.6 14.9 144.7 9.7 M059100400026
422.7 15.6 108. 9.9 M059100400027
ENDDATA 14 0 M059100400028
ENDSUBENT 27 0 M059100499999
SUBENT M0591005 20120928 M064M059100500001
BIB 3 4 M059100500002
REACTION (2-HE-4(G,P)1-H-3,,DA,,BRS) M059100500003
SAMPLE The liquid 4he target with average thickness of M059100500004
0.131 (0.012) g/cm**2 at the temperature 4.2 k. M059100500005
STATUS (TABLE) Data from the Table 5. M059100500006
ENDBIB 4 0 M059100500007
COMMON 1 3 M059100500008
ANG-CM M059100500009
ADEG M059100500010
90. M059100500011
ENDCOMMON 3 0 M059100500012
DATA 4 19 M059100500013
EN EN-ERR DATA-CM ERR-S M059100500014
MEV MEV NB/SR NB/SR M059100500015
194.5 6.9 532.3 22.9 M059100500016
202.4 6.6 446.8 17.6 M059100500017
210.4 6.5 336.8 13.6 M059100500018
219.4 6.4 278.4 11.5 M059100500019
228.2 6.4 267.2 12.4 M059100500020
237.9 6.4 204.9 10.7 M059100500021
248.8 6.6 170.7 9.2 M059100500022
260.2 6.9 149.3 9.4 M059100500023
271.6 7.3 131.4 8.9 M059100500024
284.3 7.6 121.9 10.4 M059100500025
296.2 8. 111.4 8. M059100500026
310.2 8.3 102.5 5.8 M059100500027
317.7 8.5 94.6 8.7 M059100500028
325.3 8.7 85.5 5.8 M059100500029
338.8 9. 69.3 7.4 M059100500030
342. 9.3 77.5 5.5 M059100500031
351. 9.5 65.5 7.1 M059100500032
358.8 9.7 51. 6.3 M059100500033
369.2 10. 53.6 6.4 M059100500034
ENDDATA 21 0 M059100500035
ENDSUBENT 34 0 M059100599999
SUBENT M0591006 20120928 M064M059100600001
BIB 3 4 M059100600002
REACTION (2-HE-4(G,N)2-HE-3,,DA,,BRS) M059100600003
SAMPLE The liquid 4he target with average thickness of M059100600004
0.131 (0.012) g/cm**2 at the temperature 4.2 k. M059100600005
STATUS (TABLE) Data from the Table 6. M059100600006
ENDBIB 4 0 M059100600007
COMMON 1 3 M059100600008
ANG-CM M059100600009
ADEG M059100600010
90. M059100600011
ENDCOMMON 3 0 M059100600012
DATA 4 4 M059100600013
EN EN-ERR DATA-CM ERR-S M059100600014
MEV MEV NB/SR NB/SR M059100600015
357.8 14.3 59.4 8.1 M059100600016
369.1 13.8 49.8 3.6 M059100600017
385.2 13.3 43. 3.2 M059100600018
403. 12.6 28.8 4.4 M059100600019
ENDDATA 6 0 M059100600020
ENDSUBENT 19 0 M059100699999
SUBENT M0591007 20120928 M064M059100700001
BIB 3 4 M059100700002
REACTION (2-HE-4(G,N)2-HE-3,,DA,,BRS) M059100700003
SAMPLE The liquid 4he target with average thickness of M059100700004
0.131 (0.012) g/cm**2 at the temperature 4.2 k. M059100700005
STATUS (TABLE) Data from the Table 6. M059100700006
ENDBIB 4 0 M059100700007
COMMON 1 3 M059100700008
ANG-CM M059100700009
ADEG M059100700010
120. M059100700011
ENDCOMMON 3 0 M059100700012
DATA 4 5 M059100700013
EN EN-ERR DATA-CM ERR-S M059100700014
MEV MEV NB/SR NB/SR M059100700015
274.1 10.9 56.1 11. M059100700016
284.8 10.4 55.9 7.8 M059100700017
296.1 9.9 70.2 7.7 M059100700018
308.4 9.3 48.6 4.4 M059100700019
321.5 8.9 45.4 5.3 M059100700020
ENDDATA 7 0 M059100700021
ENDSUBENT 20 0 M059100799999
SUBENT M0591008 20120928 M064M059100800001
BIB 2 2 M059100800002
REACTION (1-H-1(G,PI0)1-H-1,,DA,,BRS) M059100800003
STATUS (TABLE) Data from the Table 3. M059100800004
ENDBIB 2 0 M059100800005
COMMON 1 3 M059100800006
ANG-CM M059100800007
ADEG M059100800008
90. M059100800009
ENDCOMMON 3 0 M059100800010
DATA 4 13 M059100800011
EN EN-ERR DATA-CM ERR-S M059100800012
MEV MEV MU-B/SR MU-B/SR M059100800013
254.6 4.1 11.88 .57 M059100800014
259.7 4. 13.74 .45 M059100800015
266.1 4. 14.9 .39 M059100800016
272.9 3.9 18.06 .44 M059100800017
280.1 3.9 21.18 .48 M059100800018
287.6 3.8 23.1 .49 M059100800019
295.5 3.9 25.34 .51 M059100800020
303.9 4. 28.84 .54 M059100800021
312.7 4.3 30.09 .54 M059100800022
322.2 4.5 30.61 .53 M059100800023
332. 4.7 30.73 .54 M059100800024
341.8 4.8 29.22 .63 M059100800025
351.8 5. 25.84 .84 M059100800026
ENDDATA 15 0 M059100800027
ENDSUBENT 26 0 M059100899999
ENDENTRY 8 0 M059199999999