First measurement of the Ti(e, e′)X cross section at Jefferson Lab

被引：26

作者：

Dai, H. ^{[1
]}

Murphy, M. ^{[1
]}

Pandey, V ^{[1
]}

Abrams, D. ^{[2
]}

Nguyen, D. ^{[2
]}

Aljawrneh, B. ^{[3
]}

Alsalmi, S. ^{[4
]}

Ankowski, A. M. ^{[1
,5
]}

Bane, J. ^{[6
]}

Barcus, S. ^{[7
]}

Benhar, O. ^{[8
,9
]}

Bellini, V ^{[10
]}

Bericic, J. ^{[11
]}

Biswas, D. ^{[12
]}

Camsonne, A. ^{[11
]}

Castellanos, J. ^{[13
]}

Chen, J-P ^{[11
]}

Christy, M. E. ^{[12
]}

Craycraft, K. ^{[6
]}

Cruz-Torres, R. ^{[14
]}

Day, D. ^{[2
]}

Dusa, S-C ^{[11
]}

Fuchey, E. ^{[15
]}

Gautam, T. ^{[12
]}

Giusti, C. ^{[16
,17
]}

Gomez, J. ^{[11
]}

Gu, C. ^{[4
]}

Hague, T. ^{[11
]}

Hansen, J-O ^{[18
]}

Hauenstein, E. ^{[11
]}

Higinbotham, D. W. ^{[11
]}

Hyde, C. ^{[18
]}

Jen, C. M. ^{[1
]}

Keppel, C. ^{[11
]}

Li, S. ^{[19
]}

Lindgren, R. ^{[20
]}

Liu, H. ^{[21
]}

Mariani, C. ^{[1
]}

McClellan, R. E. ^{[11
]}

Meekins, D. ^{[11
]}

Michaels, R. ^{[11
]}

Mihovilovic, M. ^{[22
]}

Nycz, M. ^{[4
]}

Ou, L. ^{[14
]}

Pandey, B. ^{[12
]}

Park, K. ^{[11
]}

Perera, G. ^{[20
]}

Puckett, A. J. R. ^{[15
]}

Sirca, S. ^{[22
,23
]}

Su, T. ^{[4
]}

机构：

[1] Virginia Tech, Ctr Neutrino Phys, Blacksburg, VA 24061 USA

[2] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA

[3] North Carolina Agr & Tech State Univ, Greensboro, NC 27401 USA

[4] Kent State Univ, Kent, OH 44242 USA

[5] Stanford Univ, SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[6] Univ Tennessee, Knoxville, TN 37996 USA

[7] Coll William & Mary, Williamsburg, VA 23187 USA

[8] Sapienza Univ Roma, INFN, I-00185 Rome, Italy

[9] Sapienza Univ Roma, Dipartimento Fis, I-00185 Rome, Italy

[10] INFN, Sez Catania, I-95123 Catania, Italy

[11] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA

[12] Hampton Univ, Hampton, VA 23669 USA

[13] Florida Int Univ, Miami, FL 33181 USA

[14] MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[15] Univ Connecticut, Storrs, CT 06269 USA

[16] Univ Pavia, Dipartimento Fis, I-27100 Pavia, Italy

[17] INFN, Sez Pavia, I-27100 Pavia, Italy

[18] Old Dominion Univ, Norfolk, VA 23529 USA

[19] Univ New Hampshire, Durham, NH 03824 USA

[20] Univ Virginia, Charlottesville, VA 22908 USA

[21] Columbia Univ, New York, NY 10027 USA

[22] Jozef Stefan Inst, Ljubljana 1000, Slovenia

[23] Univ Ljubljana, Ljubljana 1000, Slovenia

[24] Shandong Univ, Jinan 250000, Shandong, Peoples R China

[25] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA

来源：

PHYSICAL REVIEW C | 2018年 / 98卷 / 01期

基金：

美国国家科学基金会;

关键词：

ELECTRON-NUCLEUS SCATTERING; MOMENTUM-TRANSFER; NEUTRINO;

D O I：

10.1103/PhysRevC.98.014617

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

To probe CP violation in the leptonic sector using GeV energy neutrino beams in current and future experiments using argon detectors, precise models of the complex underlying neutrino and antineutrino interactions are needed. The E12-14-012 experiment at Jefferson Lab Hall A was designed to perform a combined analysis of inclusive and exclusive electron scatterings on both argon (N = 22) and titanium (Z = 22) nuclei using GeV-energy electron beams. The measurement on titanium nucleus provides essential information to understand the neutrino scattering on argon, large contribution to which comes from scattering off neutrons. Here we report the first experimental study of electron-titanium scattering as double-differential cross section at beam energy E = 2.222 GeV and electron-scattering angle theta = 15.541 degrees, measured over a broad range of energy transfer, spanning the kinematical regions in which quasielastic scattering and delta production are the dominant reaction mechanisms. The data provide valuable new information needed to develop accurate theoretical models of the electromagnetic and weak cross sections of these complex nuclei in the kinematic regime of interest to neutrino experiments.

引用

页数：6

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