Small thesis and Exam by Olga Nepochataya

Small thesis and Exam by Olga Nepochataya

New postby ONepochataya_MEPHI on Mon 19 Mar 2018 15:01

Dear Maxim Yurievich,
I would like to continue working on topic "Shadow matter with 4 generations of fermions" in this semester.
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Re: Small thesis and Exam by Olga Nepochataya

New postby Maxim Khlopov on Mon 19 Mar 2018 17:12

Thank you for information.
I look forward to your first draft
With the best regards
M.Yu.Khlopov
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Re: Small thesis and Exam by Olga Nepochataya

New postby ONepochataya_MEPHI on Wed 23 May 2018 00:50

Dear Maxim Yurievich,
This is the first version of my text.
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referat_olgnep_eng.pdf
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Re: Small thesis and Exam by Olga Nepochataya

New postby Maxim Khlopov on Wed 23 May 2018 13:08

Dear Olga,
Thank you for draft. My comments are in the attached file.
General comment: use 'ordinary' not 'usual' and the term 'abundance of primordial helium'.
More essential: you should give more details of your physical model, specifying stable particles, which you predict in it as candidates for dark matter and possible mechanisms of inflation and baryosynthesis in it. If there are no such mechanisms, you should make assumption on your initial conditions: is temperature of ordinary and mirror matter equal in your scenario, do you assume equal baryon asymmetry in ordianry and mirror world and what is the role of your 4th mirror generation.
With the best regards
M.Yu.Khlopov
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referat_olgnep_engCor.pdf
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Re: Small thesis and Exam by Olga Nepochataya

New postby Maxim Khlopov on Tue 5 Jun 2018 17:43

Dear Olga,
I look forward to the more or less final version of your text to admit you to exam on 8 June.
With the best regards
M.Yu.Khlopov
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Re: Small thesis and Exam by Olga Nepochataya

New postby ONepochataya_MEPHI on Wed 6 Jun 2018 13:19

Dear Maxim Yurievich,
Here is new version of my thesis.
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referat_olgnep_eng_new.pdf
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Re: Small thesis and Exam by Olga Nepochataya

New postby Maxim Khlopov on Wed 6 Jun 2018 14:22

Dear Olga,
My comments are in the attached file.
Please add:
-cosmologically important consequences of your model, including list of stable particles and their assumed masses
-your assumptions on inflation (are temperature after reheating equal for ordinary and mirror matter) and generation of excess of mirror particles (what do you assume for stable particles of 1 and 4 generations
- separate determination of primordial ordunary helium (with the account of mirror degrees of freedom) and mirror helium (with the account of both ordinary and mirror degrees of freedom
- forms of dark matter and scenario of large scale structure formation
With the best regards
M.Yu.Khlopov
Attachments
referat_olgnep_eng_newCor.pdf
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Re: Small thesis and Exam by Olga Nepochataya

New postby ONepochataya_MEPHI on Thu 7 Jun 2018 12:53

Dear Maxim Yurievich,
Here is corrected version of my thesis.
Sorry, I don't know, what can I do with part about leptosynthesis and baryosynthesis. In this part I try to calculate Nb/Nb-l for world with 4th generation, and show what will change if we add mirror world with 4 generations.. I can remove this part from referat if it is too bad.
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referat_olgnep_end(3).pdf
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Re: Small thesis and Exam by Olga Nepochataya

New postby Maxim Khlopov on Thu 7 Jun 2018 15:59

Dear Olga,
My comments are in the attached file.
Put the corrected version on Forum, I'll check it before exam
I'll have no time to continue work on your text before exam,
to which I conditionally admit you, reserving possibility to put additional questions on the topic of your small thesis.
Namely, fix masses of stable 4th generation particles of your model and describe their cosmological evolution
Regards
M.Yu.Khlopov
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referat_olgnep_endCor.pdf
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Re: Small thesis and Exam by Olga Nepochataya

New postby ONepochataya_MEPHI on Fri 8 Jun 2018 00:40

Here is corrected version
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referat_olgnep_final.pdf
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