.....Advertisement.....
.....Advertisement.....

DARHT temporarily sidelined

-A A +A
By Roger Snodgrass

The dual axis X-ray facility, described as a come-from-behind success story for Los Alamos National Laboratory this year, has suffered an accident and is back on the injured list.

Having been declared fully operational by the National Nuclear Security Administration in May and on track toward its first ever experiment using its second axis, the Dual Axis Radiographic Hydrodynamic Test (DARHT) facility misfired last week.

DARHT is meant to be one of the ultimate tools for analyzing the condition of nuclear weapons in the nuclear stockpile, by peering inside mock nuclear devices under near-test pressures with a double barrel of penetrating X-rays.

A laboratory official blamed the resulting internal damage on an unexpected result while the beam of high-energy electrons was being tuned. During the process, the beam is focused on a graphite stopper, until the beam is properly configured. At that point, the stopper is removed and the beam strikes a tungsten target producing X-rays. But on July. 31 the system to backfired before getting to that point, causing a “backstream” of atomized carbon from the stopper to flow back into the internal workings of the beam line.


If you subscribe to the newspaper, you receive FREE access to all the exclusive content of the web site! Simply register to receive uninterrupted access to our award-winning and in-depth local online content!

Renew Current or Past Subscription / Register for Online Subscription

If you currently subscribe or have subscribed in the past to the Los Alamos Monitor, then simply find your account number on your mailing label and enter it below.

Click the question mark below to see where your account ID appears on your mailing label.

Newspaper Acct. ID:
info
Street Address:
(exactly as it appears on the label)

If you are a subscriber and you do not know your account ID or don't have a copy of your newspaper available that shows the information on the address label you can click continue below to search for your account.

New Subscription/30 Day Free Trial Account

If you are new to the award winning Los Alamos Monitor and wish to get a subscription or simply gain access to our online content then please enter your ZIP code below and continue to setup your account.

ZIP Code:



Create a limited access account.
Register to participate in community forums, post on the community calendar, blog etc. This registration does not give you full access to read our award winning content, etc.

The Los Alamos Monitor | lacirculation@lamonitor.com | 505-662-4185
256 DP Road, Los Alamos, NM 87544
Office Hours are 8:00 a.m. to 5:00 p.m., Monday through Friday