Neutrina asi vyresena

[Daniel Valuch]

ale vtipne je ze tam spominaju ze identifikovali dva potencialne zdroje 
chyby. Ked odstrania jeden tak sa cas este predlzi a ked odstrania druhy 
tak sa skrati. A mozno ked odstrania obidva tak budeme zase tam kde sme 
boli :-)

On 2/23/2012 10:53, Pavel Troller wrote:
> A to mame cekat do kvetna ? Nemeli by tu jisti nejmenovani clenove
> vse potrebne ve svych garazich, abychom si to zmerili sami :-) ?
>
>    Zdravi Pavel
>
>> uvidime, zle dotiahnuty konektor dokaze divy. Viem si predstavit sposob
>> akym by mohol teoreticky oneskorit pulz o desiatky ns, ale je to v rovine
>> cistej spekulacie a pravdepodobnejsie by bolo ze by som vyhral sportku :-)
>> V kazdom pripade uz vysla prva oficialna sprava, ktora tomu pridava este
>> viacej zahady:
>> The OPERA collaboration has informed its funding agencies and host
>> laboratories that it has identified two possible effects that could have an
>> influence on its neutrino timing measurement. These both require further
>> tests with a short pulsed beam. If confirmed, one would increase the size
>> of the measured effect, the other would diminish it. The first possible
>> effect concerns an oscillator used to provide the time stamps for GPS
>> synchronizations. It could have led to an overestimate of the neutrino's
>> time of flight. The second concerns the optical fibre connector that brings
>> the external GPS signal to the OPERA master clock, which may not have been
>> functioning correctly when the measurements were taken. If this is the
>> case, it could have led to an underestimate of the time of flight of the
>> neutrinos. The potential extent of these two effects is being studied by
>> the OPERA collaboration. New measurements with short pulsed beams are
>> scheduled for May.
>>
>>
>>
>>
>> On 2/23/2012 07:01, Šerých Jakub wrote:
>>> Hlavne si nedovedu predstavit, ze by nedotazeny opticky konektor dokazal pro digitalni signal vytvorit zpozdovaci linku 60ns, (coz odpovida pruchodu svetla odhadem cca 13m optickeho kabelu). Zatim nechavam chladnou hlavu a cekam, ze vyzkumy budou pokracovat.
>>>
>>> Jakub Serych
>>>
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