Georg mails

Kim Lefmann kim.lefmann at risoe.dk
Tue Dec 1 12:09:35 CET 1998


>From lefmann Tue Dec  1 09:36:30 MET 1998
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From: Kim Lefmann <lefmann>
Message-Id: <199812010836.JAA18328 at fys-hp-1.risoe.dk>
Subject: Re: small theta and sample size
To: artus at obiwan.kri.physik.uni-muenchen.de
Date: Tue, 01 Dec 1998 9:36:29 MET
Cc: lefmann
In-Reply-To: from "artus at obiwan.kri.physik.uni-muenchen.de" at Nov 30, 98 2:23 pm
X-Mailer: Elm [revision: 212.4]
Status: RO

Dear Georg,

yes, there is a problem! We have not defined a general sample yet,
and there is probably not going to be one ready before January/February,
although we are working on it.

You may bypass the problem by making a composite sample consisting
of many small monochromators, all with the same orientation, displaced in the
x-direction. This will work because the monochromator component does not 
ABSORB a non-hitting neutron.

Yours, Kim

>From artus at obiwan.kri.physik.uni-muenchen.de Tue Dec  1 10:22:09 MET 1998
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From: artus at obiwan.kri.physik.uni-muenchen.de
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Date: Tue, 01 Dec 1998 10:19:32 +0100 (CET)
Subject: Re: small theta and sample size
In-reply-to: <199812010836.JAA18328 at fys-hp-1.risoe.dk>
To: Kim Lefmann <kim.lefmann at risoe.dk>
Message-id: <13923.45737.632369.697606 at obiwan.kri.physik.uni-muenchen.de>
MIME-version: 1.0
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References: <"artus at obiwan.kri.physik.uni-muenchen.de"@Nov>
 <199812010836.JAA18328 at fys-hp-1.risoe.dk>
Status: RO

Hello Kim,

> You may bypass the problem by making a composite sample consisting
of many small monochromators, all with the same orientation, displaced in the
x-direction. This will work because the monochromator component does not 
ABSORB a non-hitting neutron.

This is a good idea! Another question:
Do you take the penetration depth into account with your actual
monochromator component? This would be important for a monochromator
with higher mosaicity. Penetration should broaden the profile!?  

Best regards,

Georg

>From lefmann Tue Dec  1 12:05:57 MET 1998
Received: (from lefmann at localhost) by fys-hp-1.risoe.dk (8.7.6/8.7.1) id MAA22400; Tue, 1 Dec 1998 12:05:56 +0100 (MET)
From: Kim Lefmann <lefmann>
Message-Id: <199812011105.MAA22400 at fys-hp-1.risoe.dk>
Subject: Re: small theta and sample size
To: artus at obiwan.kri.physik.uni-muenchen.de
Date: Tue, 01 Dec 1998 12:05:56 MET
Cc: lefmann
In-Reply-To: from "artus at obiwan.kri.physik.uni-muenchen.de" at Dec 01, 98 10:19 am
X-Mailer: Elm [revision: 212.4]
Status: RO

Dear Georg,

No, penetration is not included. This is, as you can see, a very
preliminary component... In the powder1 sample, however, penetration
and attenuation IS included, so if you are very brave, you may
create a better single Xstal sample component using these two
existing ones. Otherwise we will do it in a few months time.

Kim

>From lefmann Tue Dec  1 09:36:30 MET 1998
Received: (from lefmann at localhost) by fys-hp-1.risoe.dk (8.7.6/8.7.1) id JAA18328; Tue, 1 Dec 1998 09:36:30 +0100 (MET)
From: Kim Lefmann <lefmann>
Message-Id: <199812010836.JAA18328 at fys-hp-1.risoe.dk>
Subject: Re: small theta and sample size
To: artus at obiwan.kri.physik.uni-muenchen.de
Date: Tue, 01 Dec 1998 9:36:29 MET
Cc: lefmann
In-Reply-To: from "artus at obiwan.kri.physik.uni-muenchen.de" at Nov 30, 98 2:23 pm
X-Mailer: Elm [revision: 212.4]
Status: RO

Dear Georg,

yes, there is a problem! We have not defined a general sample yet,
and there is probably not going to be one ready before January/February,
although we are working on it.

You may bypass the problem by making a composite sample consisting
of many small monochromators, all with the same orientation, displaced in the
x-direction. This will work because the monochromator component does not 
ABSORB a non-hitting neutron.

Yours, Kim

>From artus at obiwan.kri.physik.uni-muenchen.de Tue Dec  1 10:22:09 MET 1998
Received: from risvm1.risoe.dk (risvm1.risoe.dk [130.226.48.29]) by fys-hp-1.risoe.dk with ESMTP (8.7.6/8.7.1) id KAA21040 for <lefmann at fys-hp-1.risoe.dk>; Tue, 1 Dec 1998 10:22:08 +0100 (MET)
From: artus at obiwan.kri.physik.uni-muenchen.de
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 lefmann at fys-hp-1.risoe.dk; Tue, 01 Dec 1998 10:22:03 +0100
Received: (from artus at localhost) by obiwan.kri.physik.uni-muenchen.de
 (8.8.8/8.8.8) id KAA18962; Tue, 01 Dec 1998 10:19:32 +0100
Date: Tue, 01 Dec 1998 10:19:32 +0100 (CET)
Subject: Re: small theta and sample size
In-reply-to: <199812010836.JAA18328 at fys-hp-1.risoe.dk>
To: Kim Lefmann <kim.lefmann at risoe.dk>
Message-id: <13923.45737.632369.697606 at obiwan.kri.physik.uni-muenchen.de>
MIME-version: 1.0
X-Mailer: VM 6.43 under 20.4 "Emerald" XEmacs  Lucid
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References: <"artus at obiwan.kri.physik.uni-muenchen.de"@Nov>
 <199812010836.JAA18328 at fys-hp-1.risoe.dk>
Status: RO

Hello Kim,

> You may bypass the problem by making a composite sample consisting
of many small monochromators, all with the same orientation, displaced in the
x-direction. This will work because the monochromator component does not 
ABSORB a non-hitting neutron.

This is a good idea! Another question:
Do you take the penetration depth into account with your actual
monochromator component? This would be important for a monochromator
with higher mosaicity. Penetration should broaden the profile!?  

Best regards,

Georg

>From lefmann Tue Dec  1 12:05:57 MET 1998
Received: (from lefmann at localhost) by fys-hp-1.risoe.dk (8.7.6/8.7.1) id MAA22400; Tue, 1 Dec 1998 12:05:56 +0100 (MET)
From: Kim Lefmann <lefmann>
Message-Id: <199812011105.MAA22400 at fys-hp-1.risoe.dk>
Subject: Re: small theta and sample size
To: artus at obiwan.kri.physik.uni-muenchen.de
Date: Tue, 01 Dec 1998 12:05:56 MET
Cc: lefmann
In-Reply-To: from "artus at obiwan.kri.physik.uni-muenchen.de" at Dec 01, 98 10:19 am
X-Mailer: Elm [revision: 212.4]
Status: RO

Dear Georg,

No, penetration is not included. This is, as you can see, a very
preliminary component... In the powder1 sample, however, penetration
and attenuation IS included, so if you are very brave, you may
create a better single Xstal sample component using these two
existing ones. Otherwise we will do it in a few months time.

Kim

>From lefmann Tue Dec  1 09:36:30 MET 1998
Received: (from lefmann at localhost) by fys-hp-1.risoe.dk (8.7.6/8.7.1) id JAA18328; Tue, 1 Dec 1998 09:36:30 +0100 (MET)
From: Kim Lefmann <lefmann>
Message-Id: <199812010836.JAA18328 at fys-hp-1.risoe.dk>
Subject: Re: small theta and sample size
To: artus at obiwan.kri.physik.uni-muenchen.de
Date: Tue, 01 Dec 1998 9:36:29 MET
Cc: lefmann
In-Reply-To: from "artus at obiwan.kri.physik.uni-muenchen.de" at Nov 30, 98 2:23 pm
X-Mailer: Elm [revision: 212.4]
Status: RO

Dear Georg,

yes, there is a problem! We have not defined a general sample yet,
and there is probably not going to be one ready before January/February,
although we are working on it.

You may bypass the problem by making a composite sample consisting
of many small monochromators, all with the same orientation, displaced in the
x-direction. This will work because the monochromator component does not 
ABSORB a non-hitting neutron.

Yours, Kim

>From artus at obiwan.kri.physik.uni-muenchen.de Tue Dec  1 10:22:09 MET 1998
Received: from risvm1.risoe.dk (risvm1.risoe.dk [130.226.48.29]) by fys-hp-1.risoe.dk with ESMTP (8.7.6/8.7.1) id KAA21040 for <lefmann at fys-hp-1.risoe.dk>; Tue, 1 Dec 1998 10:22:08 +0100 (MET)
From: artus at obiwan.kri.physik.uni-muenchen.de
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 1 Dec 1998 10:22:06 +0100
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 lefmann at fys-hp-1.risoe.dk; Tue, 01 Dec 1998 10:22:03 +0100
Received: (from artus at localhost) by obiwan.kri.physik.uni-muenchen.de
 (8.8.8/8.8.8) id KAA18962; Tue, 01 Dec 1998 10:19:32 +0100
Date: Tue, 01 Dec 1998 10:19:32 +0100 (CET)
Subject: Re: small theta and sample size
In-reply-to: <199812010836.JAA18328 at fys-hp-1.risoe.dk>
To: Kim Lefmann <kim.lefmann at risoe.dk>
Message-id: <13923.45737.632369.697606 at obiwan.kri.physik.uni-muenchen.de>
MIME-version: 1.0
X-Mailer: VM 6.43 under 20.4 "Emerald" XEmacs  Lucid
Content-type: text/plain; charset=us-ascii
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References: <"artus at obiwan.kri.physik.uni-muenchen.de"@Nov>
 <199812010836.JAA18328 at fys-hp-1.risoe.dk>
Status: RO

Hello Kim,

> You may bypass the problem by making a composite sample consisting
of many small monochromators, all with the same orientation, displaced in the
x-direction. This will work because the monochromator component does not 
ABSORB a non-hitting neutron.

This is a good idea! Another question:
Do you take the penetration depth into account with your actual
monochromator component? This would be important for a monochromator
with higher mosaicity. Penetration should broaden the profile!?  

Best regards,

Georg

>From lefmann Tue Dec  1 12:05:57 MET 1998
Received: (from lefmann at localhost) by fys-hp-1.risoe.dk (8.7.6/8.7.1) id MAA22400; Tue, 1 Dec 1998 12:05:56 +0100 (MET)
From: Kim Lefmann <lefmann>
Message-Id: <199812011105.MAA22400 at fys-hp-1.risoe.dk>
Subject: Re: small theta and sample size
To: artus at obiwan.kri.physik.uni-muenchen.de
Date: Tue, 01 Dec 1998 12:05:56 MET
Cc: lefmann
In-Reply-To: from "artus at obiwan.kri.physik.uni-muenchen.de" at Dec 01, 98 10:19 am
X-Mailer: Elm [revision: 212.4]
Status: RO

Dear Georg,

No, penetration is not included. This is, as you can see, a very
preliminary component... In the powder1 sample, however, penetration
and attenuation IS included, so if you are very brave, you may
create a better single Xstal sample component using these two
existing ones. Otherwise we will do it in a few months time.

Kim

>From lefmann Tue Dec  1 09:36:30 MET 1998
Received: (from lefmann at localhost) by fys-hp-1.risoe.dk (8.7.6/8.7.1) id JAA18328; Tue, 1 Dec 1998 09:36:30 +0100 (MET)
From: Kim Lefmann <lefmann>
Message-Id: <199812010836.JAA18328 at fys-hp-1.risoe.dk>
Subject: Re: small theta and sample size
To: artus at obiwan.kri.physik.uni-muenchen.de
Date: Tue, 01 Dec 1998 9:36:29 MET
Cc: lefmann
In-Reply-To: from "artus at obiwan.kri.physik.uni-muenchen.de" at Nov 30, 98 2:23 pm
X-Mailer: Elm [revision: 212.4]
Status: RO

Dear Georg,

yes, there is a problem! We have not defined a general sample yet,
and there is probably not going to be one ready before January/February,
although we are working on it.

You may bypass the problem by making a composite sample consisting
of many small monochromators, all with the same orientation, displaced in the
x-direction. This will work because the monochromator component does not 
ABSORB a non-hitting neutron.

Yours, Kim

>From artus at obiwan.kri.physik.uni-muenchen.de Tue Dec  1 10:22:09 MET 1998
Received: from risvm1.risoe.dk (risvm1.risoe.dk [130.226.48.29]) by fys-hp-1.risoe.dk with ESMTP (8.7.6/8.7.1) id KAA21040 for <lefmann at fys-hp-1.risoe.dk>; Tue, 1 Dec 1998 10:22:08 +0100 (MET)
From: artus at obiwan.kri.physik.uni-muenchen.de
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 1 Dec 1998 10:22:06 +0100
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 lefmann at fys-hp-1.risoe.dk; Tue, 01 Dec 1998 10:22:03 +0100
Received: (from artus at localhost) by obiwan.kri.physik.uni-muenchen.de
 (8.8.8/8.8.8) id KAA18962; Tue, 01 Dec 1998 10:19:32 +0100
Date: Tue, 01 Dec 1998 10:19:32 +0100 (CET)
Subject: Re: small theta and sample size
In-reply-to: <199812010836.JAA18328 at fys-hp-1.risoe.dk>
To: Kim Lefmann <kim.lefmann at risoe.dk>
Message-id: <13923.45737.632369.697606 at obiwan.kri.physik.uni-muenchen.de>
MIME-version: 1.0
X-Mailer: VM 6.43 under 20.4 "Emerald" XEmacs  Lucid
Content-type: text/plain; charset=us-ascii
Content-transfer-encoding: 7BIT
References: <"artus at obiwan.kri.physik.uni-muenchen.de"@Nov>
 <199812010836.JAA18328 at fys-hp-1.risoe.dk>
Status: RO

Hello Kim,

> You may bypass the problem by making a composite sample consisting
of many small monochromators, all with the same orientation, displaced in the
x-direction. This will work because the monochromator component does not 
ABSORB a non-hitting neutron.

This is a good idea! Another question:
Do you take the penetration depth into account with your actual
monochromator component? This would be important for a monochromator
with higher mosaicity. Penetration should broaden the profile!?  

Best regards,

Georg

>From lefmann Tue Dec  1 12:05:57 MET 1998
Received: (from lefmann at localhost) by fys-hp-1.risoe.dk (8.7.6/8.7.1) id MAA22400; Tue, 1 Dec 1998 12:05:56 +0100 (MET)
From: Kim Lefmann <lefmann>
Message-Id: <199812011105.MAA22400 at fys-hp-1.risoe.dk>
Subject: Re: small theta and sample size
To: artus at obiwan.kri.physik.uni-muenchen.de
Date: Tue, 01 Dec 1998 12:05:56 MET
Cc: lefmann
In-Reply-To: from "artus at obiwan.kri.physik.uni-muenchen.de" at Dec 01, 98 10:19 am
X-Mailer: Elm [revision: 212.4]
Status: RO

Dear Georg,

No, penetration is not included. This is, as you can see, a very
preliminary component... In the powder1 sample, however, penetration
and attenuation IS included, so if you are very brave, you may
create a better single Xstal sample component using these two
existing ones. Otherwise we will do it in a few months time.

Kim





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