RE: [fluka-discuss]: Question about Cherenkov light

From: Anton Lechner <>
Date: Sun, 21 Feb 2016 12:47:50 +0000

Dear Adik

The same way as you registered:


From: [] on behalf of Adi Rotem []
Sent: 21 February 2016 13:24
To: Mikhail Polkovnikov <Михаил Полковников>
Cc:; lzfneu
Subject: Re: [fluka-discuss]: Question about Cherenkov light

How can I get off this list?

On 21 Feb 2016 11:39, "Mikhail Polkovnikov &lt;Михаил Полковников&gt;" <<>> wrote:
On 21.02.2016 07:27, lzfneu wrote:
Dear all,

I want to collect the Cherenkov light in the left side of my geometry for electron as one degree incident angular into glass fiber. I consulted the example in the maunual and made a modification, but i cannot collect any light.
I am new in this field and have attatched the input file and source.f file in the attatchment.
could anyone help me? Thanks in advance.

Zhefu Lee
Dear Zhefu Lee,

1. You have an error in your geometry definition (BLKBODY region).

must be

2. Delete EMF and PHOTONUC cards.

3. Are you sure that the refraction coefficient of the GLASS material equals 1? I don't thick you will get any results with such value.

4. Try increase threshold for electrons in case of very long simulation time.

Best regards

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Received on Sun Feb 21 2016 - 15:04:27 CET

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