ANTINEUTRINO-NUCLEON TOTAL CROSS-SECTION AND RATIO OF ANTINEUTRINO CROSS-SECTION ON NEUTRONS AND PROTONS

被引：24

作者：

ERRIQUEZ, O

FOGLIMUCIACCIA, MT

NATALI, S

NUZZO, S

HALSTEINSLID, A

MYKLEBOST, K

ROGNEBAKKE, A

SKJEGGESTAD, O

BONETTI, S

CAVALLI, D

MAURI, F

PULLIA, A

ROLLIER, M

ENGEL, JP

ESCUBES, B

GUYONNET, JL

HUSS, D

PATY, M

RACCA, C

RIESTER, JL

ALLASIA, D

BISI, V

FRANZINETTI, C

GAMBA, D

MARZARICHIESA, A

RICCATI, L

ROMERO, A

BULLOCK, FW

ESTEN, MJ

HENDERSON, RCW

JONES, TW

RAMZAN, FA

机构：

[1] UNIV TURIN, IST FIS, I-10126 TURIN, ITALY

[2] UCL, LONDON WC1E 6BT, ENGLAND

[3] UNIV BERGEN, INST PHYS, N-5014 BERGEN, NORWAY

[4] UNIV MILAN, IST FIS, I-20133 MILAN, ITALY

[5] CTR RECH NUCL, F-67037 STRASBOURG, FRANCE

[6] UNIV LOUIS PASTEUR, STRASBOURG, FRANCE

[7] IST NAZL FIS NUCL, TORINO, ITALY

[8] IST NAZL FIS NUCL, BARI, ITALY

[9] IST NAZL FIS NUCL, MILAN, ITALY

来源：

PHYSICS LETTERS B | 1979年 / 80卷 / 03期

关键词：

D O I：

10.1016/0370-2693(79)90224-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

On a selected sample of 2171 events, observed in the big heavy liquid bubble chamber Gargamelle at CERN, the charged current total cross section for antineutrino on nucleons has been determined up to the laboratory energy E v ̄ = 8 GeV. The total cross section is found to be a linear function of the antineutrino energy expressed by σtot (E v ̄) = (0.26 ± 0.020) × 10-38 × E v ̄ (GeV) cm2. The energy dependence of 〈q2〉 v ̄ is found to be given by 〈q2〉 v ̄ = (0.15 ± 0.04)E v ̄ + (0.05 ± 0.12) (GeV/c)2. With a simplified nuclear model the ratio of cross sections on neutrons andprotons has been estimated as a function of energy and for two different values of the scaling variable x. The results are compared with the prediction of the naive quark parton model. © 1979.

引用

页码：309 / 313

页数：5

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