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Re: [Opal] No beam loss in cyclotron by MAXZ AND MINZ

From: "Adelmann Andreas (PSI)" <andreas.adelmann AT psi.ch>
To: "duheng AT impcas.ac.cn" <duheng AT impcas.ac.cn>
Cc: opal <opal AT lists.psi.ch>
Subject: Re: [Opal] No beam loss in cyclotron by MAXZ AND MINZ
Date: Tue, 21 Apr 2020 09:18:24 +0000
Accept-language: en-US, de-CH

Can you send the input files?

Cheers A

------
Dr. sc. math. Andreas (Andy) Adelmann
Head a.i. Labor for Scientific Computing and Modelling
Paul Scherrer Institut OHSA/ CH-5232 Villigen PSI
Phone Office: xx41 56 310 42 33 Fax: xx41 56 310 31 91
Zoom ID: 470-582-4086
-------------------------------------------------------
Friday: ETH HPK G 28 +41 44 633 3076
============================================
The more exotic, the more abstract the knowledge,
the more profound will be its consequences.
Leon Lederman
============================================

On 8 Apr 2020, at 09:46, duheng AT impcas.ac.cn wrote:

MINZ=-25.0,MAXZ=25.0,MINR=640,MAXR=5000,

Tracking results as the following figure. I guess Sigma_y is beam size in Z direction. When Sigma_y>25mm, there must be some loss I think, but the beam loss does not appear.

<Catch537C.jpg>

<Catch2E7F.jpg>

<Catch3C7A.jpg>

<Catch.jpg>

加速器总体室杜衡

中国科学院-近代物理研究所

联系电话：185 0931 6679, 0931-4969134

电子邮件：duheng AT impcas.ac.cn

地址：近物所6号楼207室.

Du Heng

Accelerator department

Institute of Modern Physics, Chinese Academy of Sciences,

509 NanChang Road, LanZhou 730000, China

Tel: 185-0931-6679,+86 0931 4969134

Email: duheng AT impcas.ac.cn

From: Adelmann Andreas (PSI)

Date: 2020-04-08 14:11

To: duheng AT impcas.ac.cn

CC: opal

Subject: Re: [Opal] No beam loss in cyclotron by MAXZ AND MINZ

Hello Du just to understand correctly:

At the start of the tracking you can loose

particles according to MINZ and MAXZ.

During tracking no particles are lost.

Cheers A

------
Dr. sc. math. Andreas (Andy) Adelmann
Head a.i. Labor for Scientific Computing and Modelling
Paul Scherrer Institut OHSA/ CH-5232 Villigen PSI
Phone Office: xx41 56 310 42 33 Fax: xx41 56 310 31 91
Zoom ID: 470-582-4086
-------------------------------------------------------
Friday: ETH HPK G 28 +41 44 633 3076
============================================
The more exotic, the more abstract the knowledge,
the more profound will be its consequences.
Leon Lederman
============================================

On 8 Apr 2020, at 03:03, duheng AT impcas.ac.cn wrote:

Dear OPAL developer，

I am a researcher at the Institute of Modern Physics, Chinese Academy of sciences.

I'm learning OPAL2.2.1 for cyclotron simulation these days, and this code is very helpful for my work.

When I use the example about RingCyclotron in regression-tests-master for beam tracking,

I found that there is no beam loss for minish the range between MAXZ AND MINZ in CYCLOTRON.

When the particles are generated at the start point, MAXZ AND MINZ in CYCLOTRON can make beam loss,

and after that, particles won't loss whatever MAXZ AND MINZ is.

Best wishes!

加速器总体室杜衡

中国科学院-近代物理研究所

联系电话：185 0931 6679, 0931-4969134

电子邮件：duheng AT impcas.ac.cn

地址：近物所6号楼207室.

Du Heng

Accelerator department

Institute of Modern Physics, Chinese Academy of Sciences,

509 NanChang Road, LanZhou 730000, China

Tel: 185-0931-6679,+86 0931 4969134

Email: duheng AT impcas.ac.cn

[Opal] No beam loss in cyclotron by MAXZ AND MINZ, duheng AT impcas.ac.cn, 04/08/2020
- Re: [Opal] No beam loss in cyclotron by MAXZ AND MINZ, Adelmann Andreas (PSI), 04/08/2020
  - Message not available
    - Re: [Opal] No beam loss in cyclotron by MAXZ AND MINZ, Adelmann Andreas (PSI), 04/21/2020
      - Re: [Opal] No beam loss in cyclotron by MAXZ AND MINZ, Calvo Portela, Pedro, 04/21/2020