SEARCH FOR THE COSMIC NEUTRINO BACKGROUND AND KATRIN

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21670%2F13%3A00214706" target="_blank" >RIV/68407700:21670/13:00214706 - isvavai.cz</a>

Result on the web

<a href="http://www.nipne.ro/rjp/2013_58_9-10/1221_1231.pdf" target="_blank" >http://www.nipne.ro/rjp/2013_58_9-10/1221_1231.pdf</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

SEARCH FOR THE COSMIC NEUTRINO BACKGROUND AND KATRIN

Original language description

The Cosmic Microwave Background (CMB) has been detected in 1964 by Penzias and Wilson. It shows today a remarkable constant temperature of T-0 gamma approximate to 2.7 K independent of the direction. Present density is about 370 photons per cm(3). The size of the hot spots, which deviates only in the fifth decimal of the temperature from the average value, tells us, that the universe is flat. About 300 000 years after the Big Bang at a temperature of T-0 gamma = 3000 K already in the matter dominated era the electrons combine with the protons and the He-4 and the photons move freely in the neutral universe. So the temperature and distribution of the photons give us information of the universe 300 000 years after the Big Bang. Information about earliertimes can, in principle, be derived from the Cosmic Neutrino Background (CvB). The neutrinos decouple already 1 second after the Big Bang at a temperature of about 10(10) K. Today their temperature is similar to 1.95 K and the average den

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BG - Nuclear, atomic and molecular physics, accelerators

OECD FORD branch

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Project

<a href="/en/project/LM2011027" target="_blank" >LM2011027: Project LSM/ULISSE ? contribution of the Czech Republic to the extension of the large research infrastructure of European importance (underground laboratory and construction of SuperNEMO experiment, continuation of the Czech participation)</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

ROMANIAN JOURNAL OF PHYSICS

ISSN

1221-146X

e-ISSN

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Volume of the periodical

58

Issue of the periodical within the volume

04

Country of publishing house

RO - ROMANIA

Number of pages

11

Pages from-to

1221-1231

UT code for WoS article

000326846400022

EID of the result in the Scopus database

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