First determination of the ρ parameter at √s=13TeV : probing the existence of a colourless C-odd three-gluon compound state

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F19%3A00540658" target="_blank" >RIV/68378271:_____/19:00540658 - isvavai.cz</a>

Result on the web

<a href="http://hdl.handle.net/11104/0318297" target="_blank" >http://hdl.handle.net/11104/0318297</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1140/epjc/s10052-019-7223-4" target="_blank" >10.1140/epjc/s10052-019-7223-4</a>

Result language

angličtina

Original language name

First determination of the ρ parameter at √s=13TeV : probing the existence of a colourless C-odd three-gluon compound state

Original language description

The TOTEM experiment at the LHC has performed the first measurement at √s = 13 TeV of the ρ parameter, obtaining the following results: ρ =0.09±0.01 and ρ =0.10±0.01, depending on different physics assumptions and mathematical modelling. The unprecedented precision of the ρ measurement, combined with the TOTEM total cross-section measurements in an energy range larger than 10 TeV (from 2.76 to 13 TeV), has implied the exclusion of all the models classified and published by COMPETE. The ρ results obtained by TOTEM are compatible with the theoretical model predictions. The very low-|t| reach allowed also to determine the absolute normalisation using the Coulomb amplitude for the first time at the LHC and obtain a new total proton-proton cross-section measurement σtot = (110.3±3.5) mb, completely independent from the previous TOTEM determination. Combining the two TOTEM results yields σtot = (110.5±2.4) mb.n

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10303 - Particles and field physics

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2019

Confidentiality

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

Name of the periodical

European Physical Journal C

ISSN

1434-6044

e-ISSN

1434-6052

Volume of the periodical

79

Issue of the periodical within the volume

9

Country of publishing house

DE - GERMANY

Number of pages

26

Pages from-to

1-26

UT code for WoS article

000487452200001

EID of the result in the Scopus database

2-s2.0-85073212646