Probing nuclear effects with neutrino-induced charged-current neutral pion production

被引：15

作者：

Coplowe, D. ^{[1
]}

Altinok, O. ^{[2
]}

Dar, Z. Ahmad ^{[3
]}

Akbar, F. ^{[3
]}

Andrade, D. A. ^{[4
]}

Barr, G. D. ^{[1
]}

Bashyal, A. ^{[5
]}

Bercellie, A. ^{[6
]}

Betancourt, M. ^{[7
]}

Bodek, A. ^{[6
]}

Bravar, A. ^{[8
]}

Budd, H. ^{[6
]}

Caceres, G. ^{[9
]}

Cai, T. ^{[6
]}

Carneiro, M. F. ^{[5
,9
,24
]}

da Motta, H. ^{[9
]}

Dytman, S. A. ^{[10
]}

Diaz, G. A. ^{[6
,11
]}

Felix, J. ^{[4
]}

Fields, L. ^{[7
]}

Filkins, A. ^{[12
]}

Fine, R. ^{[6
]}

Gago, A. M. ^{[11
]}

Gallagher, H. ^{[2
]}

Ghosh, A. ^{[9
,13
]}

Gran, R. ^{[14
]}

Harris, D. A. ^{[7
,15
]}

Henry, S. ^{[6
]}

Jena, S. ^{[16
]}

Kleykamp, J. ^{[6
]}

Kordosky, M. ^{[12
]}

Last, D. ^{[17
]}

Le, T. ^{[2
,18
]}

Lozano, A. ^{[9
]}

Lu, X-G ^{[1
]}

Maher, E. ^{[19
]}

Manly, S. ^{[6
]}

Mann, W. A. ^{[2
]}

Mauger, C. ^{[17
]}

McFarland, K. S. ^{[6
]}

Messerly, B. ^{[10
]}

Miller, J. ^{[13
]}

Morfin, J. G. ^{[7
]}

Naples, D. ^{[10
]}

Nelson, J. K. ^{[12
]}

Nguyen, C. ^{[20
]}

Norrick, A. ^{[12
]}

Olivier, A. ^{[6
]}

Paolone, V ^{[10
]}

Perdue, G. N. ^{[6
,7
]}

机构：

[1] Univ Oxford, Dept Phys, Oxford OX1 3PJ, England

[2] Tufts Univ, Phys Dept, Medford, MA 02155 USA

[3] AMU Campus, Aligarh 202001, Uttar Pradesh, India

[4] Univ Guanajuato, Campus Leon & Campus Guanajuato, Guanajuato 36000, Mexico

[5] Oregon State Univ, Dept Phys, Corvallis, OR 97331 USA

[6] Univ Rochester, Rochester, NY 14627 USA

[7] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[8] Univ Geneva, CH-1211 Geneva 4, Switzerland

[9] Ctr Brasileiro Pesquisas Fis, Rua Dr Xavier Sigaud 150, BR-22290180 Rio De Janeiro, RJ, Brazil

[10] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA

[11] Pontificia Univ Catolica Peru, Dept Ciencias, Secc Fis, Apartado 1761, Lima, Peru

[12] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA

[13] Univ Tecn Federico Santa Maria, Dept Fis, Ave Espana 1680 Casilla 110-5, Valparaiso, Chile

[14] Univ Minnesota, Dept Phys, Duluth, MN 55812 USA

[15] York Univ, Dept Phys & Astron, Toronto, ON M3J 1P3, Canada

[16] IISER Mohali, Dept Phys Sci, Mohali 140306, Punjab, India

[17] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[18] Rutgers State Univ, Piscataway, NJ 08854 USA

[19] Massachusetts Coll Liberal Arts, 375 Church St, North Adams, MA 01247 USA

[20] Univ Florida, Dept Phys, Gainesville, FL 32611 USA

[21] Univ Mississippi, Oxford, MS 38677 USA

[22] Univ Wroclaw, Plac Uniwersytecki 1, PL-50137 Wroclaw, Poland

[23] Univ Nacl Ingn, Apartado 31139, Lima, Peru

[24] Brookhaven Natl Lab, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW D | 2020年 / 102卷 / 07期

基金：

美国国家科学基金会; 英国科学技术设施理事会;

关键词：

LEPTON SCATTERING; SPECTROMETER; PERFORMANCE; DESIGN;

D O I：

10.1103/PhysRevD.102.072007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study neutrino-induced charged-current (CC) pi(0) production on carbon nuclei using events with fully imaged final-state proton-pi(0) systems. Novel use of final-state correlations based on transverse kinematic imbalance enables the first measurements of the struck nucleon's Fermi motion, of the intranuclear momentum transfer (IMT) dynamics, and of the final-state hadronic momentum configuration in neutrino pion production. Event distributions are presented for (i) the momenta of neutrino-struck neutrons below the Fermi surface, (ii) the direction of missing transverse momentum characterizing the strength of IMT, and (iii) proton-pion momentum imbalance with respect to the lepton scattering plane. The observed Fermi motion and IMT strength are compared to the previous MINER.A measurement of neutrino CC quasielastic-like production. The measured shapes and absolute rates of these distributions, as well as the cross section asymmetries, show tensions with predictions from current neutrino generator models.

引用

页数：9

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