ANALYZING POWER IN INCLUSIVE PI+ AND PI- PRODUCTION AT HIGH CHI-F WITH A 200 GEV POLARIZED PROTON-BEAM

被引：393

作者：

Adams, DL ^{[1
]}

Akchurin, N

Belikov, NI

Bonner, BE

Buchanan, JA

Bystricky, J

Clement, JM

Corcoran, MD

Cossairt, JD

Cranshaw, J

Derevschikov, AA

En'yo, H

Funahashi, H

Goto, Y

Grachov, OA

Grosnick, DP

Hill, DA

Imai, K

Itow, Y

Iwatani, K

Krueger, KW

Kuroda, K

Langland, J

Lehar, F

de Lesquen, A

Lopiano, D

Luehring, FC

Maki, T

Makino, S

Masaike, A

Matulenko, YA

Meschanin, AP

Michalowicz, A

Miller, DH

Miyake, K

Nagamine, T

Nessi-Tedaldi, F

Nessi, M

Nguyen, C

Nurushev, SB

Ohashi, Y

Onel, Y

Patalakha, DI

Pauletta, G

Penzo, A

Phillips, GC

Read, AL

Roberts, JB

van Rossum, L

Rykov, VL

机构：

[1] Rice Univ, TW Bonner Nucl Lab, Houston, TX 77251 USA

[2] Univ Iowa, Dept Phys, Iowa City, IA 52242 USA

[3] Inst High Energy Phys, Serpukhov, RUSSIA

[4] CENS, F-91191 Gif Sur Yvette, FRANCE

[5] Fermi Natl Accelerator Lab, Batavia, IL 60510 USA

[6] Kyoto Univ, Dept Phys, Kyoto 606, JAPAN

[7] Argonne Natl Lab, Argonne, IL 60439 USA

[8] Hiroshima Univ, Higashi Ku, Hiroshima 724, JAPAN

[9] NE State Univ, Talequah, OK 74464 USA

[10] Lab Phys Particules, F-74017 Annecy Le Vieux, FRANCE

[11] Northwestern Univ, Dept Phys, Evanston, IL 60201 USA

[12] Univ Occupat & Environm Hlth, Kitakyushu, Fukuoka 807, JAPAN

[13] Univ Udine, I-33100 Udine, ITALY

[14] Univ Trieste, Dipartimento Fis, I-34100 Trieste, ITALY

[15] Univ Messina, Dipartimento Fis, I-98100 Messina, ITALY

[16] Kyoto Univ Educ, Kyoto 612, JAPAN

[17] Kyoto Sangyo Univ, Kyoto 612, JAPAN

[18] Okayama Univ, Okayama 700, JAPAN

[19] Univ Calif Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[20] Osaka City Univ, Osaka 558, JAPAN

来源：

PHYSICS LETTERS B | 1991年 / 264卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(91)90378-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The analyzing power in inclusive charged pion production has been measured using the 200 GeV Fermilab polarized proton beam. A striking dependence in x(F) is observed in which A(N) increases from 0 to 0.42 with increasing x(F) for the pi+ data and decreases from 0 to -0.38 with increasing x(F) for pi- data. The kinematic range covered is 0.2 less-than-or-equal-to x(F) less-than-or-equal-to 0.9 and 0.2 less-than-or-equal-to p(T) 2.0 GeV/c. In a simple model our data indicate that at large x(F) the transverse spin of the proton is correlated with that of its quark constituents.

引用

页码：462 / 466

页数：5

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