[fluka-discuss]: 答复: Re: [fluka-discuss]: what is the meaning of Mean Excitation Energy

From: 孔令海 <konglinghai_at_chinansc.cn>
Date: Thu, 17 Sep 2015 06:59:48 +0000

donet send to me ,ok?
________________________________________
发件人: owner-fluka-discuss_at_mi.infn.it [owner-fluka-discuss_at_mi.infn.it] 代表 YANG Tao [yangt_at_ihep.ac.cn]
发送时间: 2015年9月11日 20:54
到: Mikhail Polkovnikov <Михаил Полковников>
Cc: fluka-discuss_at_fluka.org
主题: Re: Re: [fluka-discuss]: what is the meaning of Mean Excitation Energy

Dear Mikhail,
Thanks for your answer. But what is the mean excitation energy? Is it the average value of all the excitation energies? And what's its relation with the physical quantity--- "the average energy expenditure per ion pair"?

regards,
Tao Yang

-----原始邮件-----
发件人: "Mikhail Polkovnikov <Михаил Полковников>" <pmk_at_ihep.ru>
发送时间: 2015年9月11日 星期五
收件人: "YANG Tao" <yangt_at_ihep.ac.cn>, "fluka-discuss_at_fluka.org" <fluka-discuss_at_fluka.org>
抄送:
主题: Re: [fluka-discuss]: what is the meaning of Mean Excitation Energy

On 11.09.2015 13:22, YANG Tao wrote:
Hi, everyone!

When I look the output(.out) of FLUKA, I find that the mean excitation energy of Ar is 188 eV, but the excitation energy of Ar is 15.7 eV which can be found anywhere. I try to find the definition of the mean excitation energy, unfortunately, I cannot find it. Could anyone can tell me the meaning of the two physical quantities?


regards,

Tao Yang



Dear Tao Yang,

The energy 15.7 eV is the least bond energy for upper shell electron (http://xdb.lbl.gov/Section1/Table_1-1.pdf)


Best regards,
Mikhail

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杨涛
中科院高能所东莞分部（东莞中子科学中心）加速器技术部
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Received on Thu Sep 17 2015 - 10:43:13 CEST