Published 2004 | Version v1
Journal article Metadata-only

Collins effect and predictions of SSA for HERMES and COMPASS

Creators

  • 1. Joint Institute for Nuclear Research, Dubna (Russian Federation)

Description

Predictions are made for single-spin azimuthal asymmetries (SSA) due to the Collins effect in pion production from semi-inclusive deep-inelastic scattering by transversely and longitudinally polarized targets for the HERMES and COMPASS experiments. The SSA from the transversely polarized proton target are found to be about 20 % for positive and neutral pions both at HERMES and COMPASS. For a longitudinally polarized target for COMPASS SSA(sinφ)∼1 % and SSA(sin2φ)∼3 %

Abstract (Russian)

Даны предсказания для обусловленных эффектом Коллинза одиночных азимутальных асимметрий (ОАА) в полуинклюзивном рождении пиона в процессе глубоконеупругого рассеяния на поперечно- и продольно-поляризованной мишени в экспериментах HERMES и COMPASS. ОАА на поперечно-поляризованной протонной мишени для положительных и нейтральных пионов, как оказалось, и в HERMES и в COMPASS достигает примерно 20 %. Для продольно-поляризованной мишени на установке COMPASS ОАА(sinφ)∼1 % и ОАА(sin2φ∼3 %

Additional details

Publishing Information

Journal Title
Fizika Ehlementarnykh Chastits i Atomnogo Yadra
Journal Volume
35
Journal Issue
7
Journal Page Range
p. 241-247
ISSN
0367-2026
CODEN
FECAAR

Conference

Title
High energy spin physics and quantum chromodynamics
Original Conference Title
Spinovaya fizika pri vysokikh ehnergiyakh i kvantovaya khromodinamika
Dates
16-20 Sep 2003
Place
Dubna (Russian Federation)

INIS

Country of Publication
Russian Federation
Country of Input or Organization
Russian Federation
INIS RN
36060503
Subject category
S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ASYMMETRY; DEEP INELASTIC SCATTERING; DISTRIBUTION FUNCTIONS; HYDROGEN 1 TARGET; PARTICLE KINEMATICS; PARTICLE PRODUCTION; PARTONS; PIONS NEUTRAL; PIONS PLUS; POLARIZED TARGETS; SEMI-INCLUSIVE INTERACTIONS; SPIN
Descriptors DEC
ANGULAR MOMENTUM; BOSONS; ELEMENTARY PARTICLES; FUNCTIONS; HADRONS; INCLUSIVE INTERACTIONS; INELASTIC SCATTERING; INTERACTIONS; LEPTON-BARYON INTERACTIONS; LEPTON-HADRON INTERACTIONS; LEPTON-NUCLEON INTERACTIONS; MESONS; PARTICLE INTERACTIONS; PARTICLE PROPERTIES; PIONS; POSTULATED PARTICLES; PSEUDOSCALAR MESONS; SCATTERING; TARGETS

Optional Information

Notes
16 refs., 3 figs.