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Abstract

TRITON PRODUCTION FROM ONE BRANCH OF THE DEUTERON-DEUTERON FUSION REACTION IS ROUTINELY MEASURED AT 6 MS TIME-INTERVALS IN JET PLASMA DISCHARGES BY RECORDING THE 2.5 MEV NEUTRONS PRODUCED IN THE OTHER BRANCH USING A SET OF CALIBRATED FISSION CHAMBERS. THE BURN-UP OF THE TRITONS IS MEASURED BY DETECTING THE 14 MEV T-D NEUTRONS WITH A 0.2 CM3 SI (LI) DIODE. THE 2.5 MEV NEUTRON FLUX CAN BE USED IN A SIMPLE TIME-DEPENDENT CALCULATION BASED ON CLASSICAL SLOWING-DOWN THEORY TO PREDICT THE 14 MEV NEUTRON FLUX. THE MEASURED FLUX AND THE TRITON SLOWING-DOWN TIME ARE SYSTEMATICALLY LOWER THAN THE VALUES ESTIMATED FROM THE KEY PLASMA PARAMETERS BUT THE DIFFERENCES ARE WITHIN THE EXPERIMENTAL ERRORS.

Additional information

Authors: JARVIS O N, JET JOINT UNDERTAKING, ABINGDON, UK;IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY, LONDON;AERE, HARWELL, OX11 0RA, UK;SADLER G, JET JOINT UNDERTAKING, ABINGDON, UK;IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY, LONDON;AERE, HARWELL, OX11 0RA, UK;CONROY S, JET JOINT UNDERTAKING, ABINGDON, UK;IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY, LONDON;AERE, HARWELL, OX11 0RA, UK;HUXTABLE G B JET JOINT UNDERTAKING, ABINGDON, UK, JET JOINT UNDERTAKING, ABINGDON, UK;IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY, LONDON;AERE, HARWELL, OX11 0RA, UK;IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY, LONDON, JET JOINT UNDERTAKING, ABINGDON, UK;IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY, LONDON;AERE, HARWELL, OX11 0RA, UK;AERE, HARWELL, OX11 0RA, UK, JET JOINT UNDERTAKING, ABINGDON, UK;IMPERIAL COLLEGE OF SCIENCE AND TECHNOLOGY, LONDON;AERE, HARWELL, OX11 0RA, UK
Bibliographic Reference: REPORT JET-P(88)-16, 1988, AVAILABILITY: JET, ABINGDON, UK
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