Small plasma focus as neutron pulsed source for nuclides identification.

نویسندگان

  • M Milanese
  • J Niedbalski
  • R Moroso
  • M Barbaglia
  • R Mayer
  • F Castillo
  • S Guichón
چکیده

In this paper, we present preliminary results on the feasibility of employing a low energy (2 kJ, 31 kV) plasma focus device as a portable source of pulsed neutron beams (2.45 MeV) generated by nuclear fusion reactions D-D, for the "in situ" analysis of substances by nuclear activation. This source has the relevant advantage of being pulsed at requirement, transportable, not permanently radioactive, without radioactive waste, cheap, among others. We prove the feasibility of using this source showing several spectra of the characteristic emission line for manganese, gold, lead, and silver.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

محاسبه ثابت کالیبراسیون شمارنده فعال‌سازی با پوشش نقره‌ای و مقایسه آن با نتایج تجربی به‌منظور اندازه‌گیری بهره نوترونی در دستگاه پلاسمای کانونی

The silver activation counters are commonly used for pulsed-neutron yield measurements especially in plasma focus devices. The counter normally consists of a Geiger-Muller tube along with silver foils and polyethylene (as a moderator), which is calibrated against an Am-Be radioisotope neutron source. The neutrons, after being slowed-down in the polyethylene, activate the silver foils. By measur...

متن کامل

The study of neutron interactions with soft tissue using Monte Carlo simulation using the source PF

The most important part of neutron therapy treatment (NCT1) is to achieve a beam of neutrons with suitable energy and intensity, as well as the least pollution and damage. In this study, in order to correct the neutron spectrum from D-D fusion and its use in neutron therapy, a set of different materials which are called the Beam Shaping Assembly (BSA) was placed in the direction of energy 2.45 ...

متن کامل

A fast miniature plasma focus based compact and portable nanosecond pulsed neutron source

A low energy fast miniature plasma focus device ‘FMPF-1’ has recently been developed to be used as compact and portable nanosecond pulsed neutron source for field applications. The system operates in deuterium producing maximum neutron yield in the order of 10 neutrons/ pulse in 4� sr. at ~80kA peak discharge current. In the range of 4 to 7mbar distinct and sharp dip in the current derivative s...

متن کامل

بررسی امکان استفاده از چشمه های نوترونی رادیوایزوتوپی در نوترون درمانی با بور

  Background : Performing successful BNCT experiments needs a suitable neutron source. Important factors of the neutron beam are flux and energy that are very important in the selection of neutron source. In most centers that use this method for treatment, reactor is a neutron source, which according to characteristics of the reactor appropriated neutrons are very high. High cost of constructin...

متن کامل

LOOKING FOR THE CARRIER PHASE OF Cr IN THE CARBONACEOUS CHONDRITE ORGUEIL

Introduction: 54 Cr anomalies are widely distributed in inner Solar System materials [1-6]. These variations have been attributed to nucleosynthetic effects. Astronomical models predict that 54 Cr, along with other neutron-rich nuclides, such as 50 Ti, are produced in a neutron-rich environment at or near nuclear statistical equilibrium in both Type Ia and Type II supernovae [7,8]. Further cons...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • The Review of scientific instruments

دوره 84 10  شماره 

صفحات  -

تاریخ انتشار 2013