OperaV1, PascalFrancis, Curation, bibRecord, 000439

Measurement of the neutrino velocity with the ICARUS detector at the CNGS beam

Identifieur interne : 000439 ( PascalFrancis/Curation ); précédent : 000438; suivant : 000440

Measurement of the neutrino velocity with the ICARUS detector at the CNGS beam

Auteurs :

Source :

Physics letters. Section B [ 0370-2693 ] ; 2012.

RBID : Pascal:12-0247589

Descripteurs français

Pascal (Inist)
- Neutrino, CERN, Faisceau neutrino, Intensité, Faisceau proton, Collisionneur LHC, Vitesse lumière, Particule sans masse, Particule élémentaire.
Wicri :
- topic : Particule élémentaire.

English descriptors

KwdEn :
- CERN, Elementary particles, Intensity, LHC collider, Light velocity, Massless particles, Neutrino beams, Neutrinos, Proton beams.

Abstract

At the end of the 2011 run, the CERN CNGS neutrino beam has been briefly operated in lower intensity mode with ∼ 10¹² p.o.t./pulse and with a proton beam structure made of four LHC-like extractions, each with a narrow width of ∼ 3 ns, separated by 524 ns. This very tightly bunched beam allowed a very accurate time-of-flight measurement of neutrinos from CERN to LNGS on an event-by-event basis. The ICARUS T600 detector (CNGS2) has collected 7 beam-associated events, consistent with the CNGS collected neutrino flux of 2.2 x 10¹⁶ p.o.t. and in agreement with the well-known characteristics of neutrino events in the LAr-TPC. The time of flight difference between the speed of light and the arriving neutrino LAr-TPC events has been analysed. The result δt = 0.3 ± 4.9(stat.) ± 9.0(syst.) ns is compatible with the simultaneous arrival of all events with speed equal to that of light. This is in a striking difference with the reported result of OPERA (OPERA Collaboration, 2011) [1] claiming that high energy neutrinos from CERN arrive at LNGS ∼ 60 ns earlier than expected from luminal speed.

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A02	`01`			`@0 PYLBAJ`
A03		`1`		`@0 Phys. lett., Sect. B`
A05				`@2 713`
A06				`@2 1`
A08	`01`	`1`	`ENG`	`@1 Measurement of the neutrino velocity with the ICARUS detector at the CNGS beam`
A17	`01`	`1`		`@1 ICARUS Collaboration @3 INT`
A20				`@1 17-22`
A21				`@1 2012`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 9425B @5 354000509372760040`
A44				`@0 0000 @1 © 2012 INIST-CNRS. All rights reserved.`
A45				`@0 17 ref.`
A47	`01`	`1`		`@0 12-0247589`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Physics letters. Section B`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 At the end of the 2011 run, the CERN CNGS neutrino beam has been briefly operated in lower intensity mode with ∼ 10¹² p.o.t./pulse and with a proton beam structure made of four LHC-like extractions, each with a narrow width of ∼ 3 ns, separated by 524 ns. This very tightly bunched beam allowed a very accurate time-of-flight measurement of neutrinos from CERN to LNGS on an event-by-event basis. The ICARUS T600 detector (CNGS2) has collected 7 beam-associated events, consistent with the CNGS collected neutrino flux of 2.2 x 10¹⁶ p.o.t. and in agreement with the well-known characteristics of neutrino events in the LAr-TPC. The time of flight difference between the speed of light and the arriving neutrino LAr-TPC events has been analysed. The result δt = 0.3 ± 4.9(stat.) ± 9.0(syst.) ns is compatible with the simultaneous arrival of all events with speed equal to that of light. This is in a striking difference with the reported result of OPERA (OPERA Collaboration, 2011) [1] claiming that high energy neutrinos from CERN arrive at LNGS ∼ 60 ns earlier than expected from luminal speed.
C02	`01`	`3`		`@0 001B00`
C02	`02`	`3`		`@0 001B20`
C02	`03`	`3`		`@0 001B10`
C03	`01`	`3`	`FRE`	`@0 Neutrino @5 26`
C03	`01`	`3`	`ENG`	`@0 Neutrinos @5 26`
C03	`02`	`3`	`FRE`	`@0 CERN @5 27`
C03	`02`	`3`	`ENG`	`@0 CERN @5 27`
C03	`03`	`3`	`FRE`	`@0 Faisceau neutrino @5 28`
C03	`03`	`3`	`ENG`	`@0 Neutrino beams @5 28`
C03	`04`	`X`	`FRE`	`@0 Intensité @5 29`
C03	`04`	`X`	`ENG`	`@0 Intensity @5 29`
C03	`04`	`X`	`SPA`	`@0 Intensidad @5 29`
C03	`05`	`3`	`FRE`	`@0 Faisceau proton @5 30`
C03	`05`	`3`	`ENG`	`@0 Proton beams @5 30`
C03	`06`	`3`	`FRE`	`@0 Collisionneur LHC @5 31`
C03	`06`	`3`	`ENG`	`@0 LHC collider @5 31`
C03	`07`	`3`	`FRE`	`@0 Vitesse lumière @5 32`
C03	`07`	`3`	`ENG`	`@0 Light velocity @5 32`
C03	`08`	`3`	`FRE`	`@0 Particule sans masse @5 33`
C03	`08`	`3`	`ENG`	`@0 Massless particles @5 33`
C03	`09`	`3`	`FRE`	`@0 Particule élémentaire @5 34`
C03	`09`	`3`	`ENG`	`@0 Elementary particles @5 34`
N21				`@1 191`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

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Le document en format XML

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<front><div type="abstract" xml:lang="en">At the end of the 2011 run, the CERN CNGS neutrino beam has been briefly operated in lower intensity mode with ∼ 10<sup>12</sup>
 p.o.t./pulse and with a proton beam structure made of four LHC-like extractions, each with a narrow width of ∼ 3 ns, separated by 524 ns. This very tightly bunched beam allowed a very accurate time-of-flight measurement of neutrinos from CERN to LNGS on an event-by-event basis. The ICARUS T600 detector (CNGS2) has collected 7 beam-associated events, consistent with the CNGS collected neutrino flux of 2.2 x 10<sup>16</sup>
 p.o.t. and in agreement with the well-known characteristics of neutrino events in the LAr-TPC. The time of flight difference between the speed of light and the arriving neutrino LAr-TPC events has been analysed. The result δt = 0.3 ± 4.9(stat.) ± 9.0(syst.) ns is compatible with the simultaneous arrival of all events with speed equal to that of light. This is in a striking difference with the reported result of OPERA (OPERA Collaboration, 2011) [1] claiming that high energy neutrinos from CERN arrive at LNGS ∼ 60 ns earlier than expected from luminal speed.</div>
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Measurement of the neutrino velocity with the ICARUS detector at the CNGS beam

Measurement of the neutrino velocity with the ICARUS detector at the CNGS beam

Source :

Descripteurs français

English descriptors

Abstract

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