ENTRY A1117 20180129 A088A1117 0 1 SUBENT A1117001 20180129 A088A1117 1 1 BIB 10 33 A1117 1 2 INSTITUTE (1USAMIN) A1117 1 3 REFERENCE (J,PR,74,553,1948) A1117 1 4 AUTHOR (J.M.Blair,G.Freier,E.E.Lampi,W.Sleator Jr, A1117 1 5 J.H.Williams) A1117 1 6 TITLE The scattering of 2.4 to 3.5 MeV protons by protons A1117 1 7 FACILITY (VDG,1USAMIN) A1117 1 8 SAMPLE A gas target A1117 1 9 DETECTOR (PROPC) Two proportional detectors A1117 1 10 ERR-ANALYS (EN-ERR) The uncertainties are estimates of author's A1117 1 11 lack of knowledge of the beam energy at the center of A1117 1 12 the scattering chamber due to the uniformity of nylon A1117 1 13 windows, lack of information on the exact amount of A1117 1 14 carbon deposited on these windows at the time of A1117 1 15 observation, and fluctuations in the accelerating A1117 1 16 potential. A1117 1 17 (ERR-1) Uncertainty in value G (see ANALYSIS) A1117 1 18 (ERR-2) Uncertainty in N - value (see ANALYSIS) A1117 1 19 (ERR-3) Uncertainty in n - value (see ANALYSIS) A1117 1 20 ANALYSIS The cross section per unit solid angle for proton- A1117 1 21 proton scattering is given by A1117 1 22 sigma = Y x sin(theta)/(N x n x G), detected by A1117 1 23 the where Y is the number of scattered protons A1117 1 24 proportional counter when N protons of energy Ep are A1117 1 25 incident on (n/2) molecules/cm3 of hydrogen gas and A1117 1 26 the detected protons are scattered through a lab. A1117 1 27 angle (theta). The factor G=2bA/Rh is a measure of A1117 1 28 the gas scattering volume and solid angle defined by A1117 1 29 the entrance slits and final aperture of the analyzing A1117 1 30 system between the scattering volume N, n, and G. A1117 1 31 HISTORY (19811026C) Compilation produced by Arzamas RFNC-VNIIEFA1117 1 32 (19990214U)CNPD: corrected 4-dig. year and lower cases.A1117 1 33 (20180129A) SD: SF9=EXP deleted from REACTION code in A1117 1 34 Subent 002. Small correction in author's list. A1117 1 35 ENDBIB 33 0 A1117 1 36 COMMON 4 3 A1117 1 37 EN-ERR ERR-1 ERR-2 ERR-3 A1117 1 38 MEV PER-CENT PER-CENT PER-CENT A1117 1 39 0.02 0.25 1.0 0.2 A1117 1 40 ENDCOMMON 3 0 A1117 1 41 ENDSUBENT 40 0 A1117 199999 SUBENT A1117002 20180129 A088A1117 2 1 BIB 4 7 A1117 2 2 REACTION (1-H-1(P,EL)1-H-1,,DA) A1117 2 3 ERR-ANALYS (ERR-S) The uncertainties shown for the values of A1117 2 4 sigma in this table were determined by the A1117 2 5 reproducibility of values of sigma from week to week. A1117 2 6 STATUS (TABLE) Table 1 from PR,74,(5),553,1948 A1117 2 7 HISTORY (20180129A) SD: SF9=EXP deleted from REACTION code. A1117 2 8 DATA-ERR -> ERR-S. A1117 2 9 ENDBIB 7 0 A1117 2 10 NOCOMMON 0 0 A1117 2 11 DATA 4 44 A1117 2 12 EN ANG DATA ERR-S A1117 2 13 MEV ADEG MB/SR MB/SR A1117 2 14 2.42 8. 7770. 100. A1117 2 15 2.42 10. 3050. 40. A1117 2 16 2.42 12.5 1340. 20. A1117 2 17 2.42 15. 796. 8. A1117 2 18 2.42 17.5 628. 7. A1117 2 19 2.42 20. 562. 4. A1117 2 20 2.42 25. 528. 6. A1117 2 21 2.42 30. 528. 10. A1117 2 22 2.42 35. 503. 10. A1117 2 23 2.42 40. 475. 8. A1117 2 24 2.42 45. 443. 6. A1117 2 25 3.04 8. 4930. 70. A1117 2 26 3.04 10. 1990. 20. A1117 2 27 3.04 12.5 963. 14. A1117 2 28 3.04 15. 626. 8. A1117 2 29 3.04 17.5 537. 5. A1117 2 30 3.04 20. 493. 5. A1117 2 31 3.04 25. 483. 6. A1117 2 32 3.04 30. 469. 9. A1117 2 33 3.04 35. 450. 5. A1117 2 34 3.04 40. 425. 8. A1117 2 35 3.04 45. 402. 5. A1117 2 36 3.27 8. 4390. 50. A1117 2 37 3.27 10. 1770. 20. A1117 2 38 3.27 12.5 864. 12. A1117 2 39 3.27 15. 600. 5. A1117 2 40 3.27 17.5 512. 6. A1117 2 41 3.27 20. 478. 6. A1117 2 42 3.27 25. 473. 5. A1117 2 43 3.27 30. 450. 5. A1117 2 44 3.27 35. 441. 5. A1117 2 45 3.27 40. 410. 5. A1117 2 46 3.27 45. 380. 4. A1117 2 47 3.53 8. 3700. 60. A1117 2 48 3.53 10. 1530. 30. A1117 2 49 3.53 12.5 773. 12. A1117 2 50 3.53 15. 550. 8. A1117 2 51 3.53 17.5 473. 5. A1117 2 52 3.53 20. 462. 5. A1117 2 53 3.53 25. 442. 5. A1117 2 54 3.53 30. 428. 5. A1117 2 55 3.53 35. 418. 4. A1117 2 56 3.53 40. 397. 4. A1117 2 57 3.53 45. 366. 4. A1117 2 58 ENDDATA 46 0 A1117 2 59 ENDSUBENT 58 0 A1117 299999 ENDENTRY 2 0 A111799999999